Cement Slurry Mix Ratio

, Faculty of Eng. The better solution is to regrade the aggregates to allow for more fine aggregate. 5, M10, M15, M20, M25, M30, M35, M40), with water content ratio. 100% colorant to each mix to produce a 4. The mortar may be tinted in order to add a small amount of color to the façade or paint can be added as a topcoat at a later date. The usual water cement ratio is 45% (5. 61, 25 pounds of cement with an SG of 3. Its just easier and not that much different in price to buy this. 1 the free water-cement ratio required for the target strength of 43. 140kg Approx. • Due to the short turnaround period imposed by ARRA requirements, an advanced mix design was developed quickly Mix Design – I-94 CPR Project. This is not old school this is a common current term used for typical standard mix designs, such as 5 sk, 5. Urethane Concrete Slurry - System Bulletin Terroxy Urethane Concrete Slurry Mixing: Terroxy Urethane Cement is a three-component product and must be properly mixed and applied in order to perform as specified. These retro-fits can be added easily to onshore or off-shore mixing equipment. For larger jobs, you could rent a mixer ($35 per day), but it may be more economical to simply order ready-mix concrete. Our skids are equipped with standard features such as density-control and data-recording systems to ensure consistent and predictable slurry performance. The diluted design mix will establish the maximum water content and minimum viscosity criteria for the wall construction. Uses Used in place of water, LATICRETE 3701 Mortar Admix improves the working and physical properties of any cement mix and provides an economical and easy way to make permanent, trouble-free. This mix would yield approximately 1. 1 of water cement ratio reduces strength. The mix proportions of the various slabs are presented in Table 1. Otherwise it's an aesthetic preference, some people don't mind the natural look while. as a function of Water/Cement Ratio. Mixing should continue until a uniform, lump-free consistency is obtained. I can't remember the ratio but I've added a link to the technical data sheet. The results of the thickening time tests on the Consistometer. My birdbath molds are simple hand patted sand mounds. A builders’ wheelbarrow, filled level to the top, has a volume of 65 litres (0. During the setting phase of the cement, the cement builds up gel strength and the mechanism that allows gas to invade the cement matrix is the gel strength development of the slurry as it changes from liquid to solid. When the bond coat is tacky apply mortar/screed overlay. What is concrete slurry exactly? It is the mixture of water and concrete solids that result from concrete grinding, cutting, or coring. Please see the Table for the recommended mix ratio. ACI Concrete Terminology A/F ratio — the molar or mass ratio of aluminum oxide (Al 2O 3) to iron oxide (Fe 2O 3), as in portland cement. For use as a slurry coat: For best results mix a slurry consisting of 2 parts Concrete Bonder & Fortifier with 1 part Portland cement. Add the 25kgs of ciment fondu. You can calculate how much concrete you need for your construction project using this calculator that works in both US Customary Units (feet and inches) and International System of Units or metric units (meters and. FasTop S can be applied with a pin rake, screed rake or flat trowel. While rapid strength concrete is our specialty, we also excel at producing a diverse range of mix designs to fulfill the concrete needs of businesses, homeowners, and contractors, as well as the California Department of Transportation. If you plan on using bags of sand, then just calculate about 282 lbs. r = water to cement ratio. You'll want to add the foam in to the slurry immediately. It was observed that the strength of concrete containing Marble slurry and. Clear instructions on the tub. Read material safety data (MSDS) information before handling the product. 5 to 11 pounds of MgO per gallon) of brine with brines that vary in MgCl 2 concentration from 20% to 33%. Whether you hand mix concrete in a plastic tub, homemade mixing tub or wheelbarrow, the technique is the same to find the right concrete mix ratio. Neat cement slurries, when prepared from API Class A, C, G, or H cements using the amount of water recommended in API Spec. 140kg Approx. On either side are four samples of historic mortars from the 17th and 18th centuries for comparison. The Solution. The average consumption of cement for all West Bank’s ready mix concrete companies = 0. The reasoning behind this is because by using smaller particles, the total surface area of the aggregates has been increased. The recently developed quick-setting (CQS) asphalt emulsion is being used when early opening to traffic is necessary. 25-3 volumes of abe ® waterproofing slurry by volume or 2. Top, centre, a sample of some 'screened' dry-slaked, 1:3 quicklime:sand mortar with, below it in the centre, a fully mixed and matured sample of mortar made from the very same mix, but now to a ratio of 1:2 slaked lime:sand. 9503 M - LOW STRENGTH SLURRY BACKFILL 1 of 2 10/93 M 06/97 DESCRIPTION The work shall consist of furnishing and placing a slurry backfill composed of fly ash, cement and water as shown on the plans or as directed by the Engineer, in writing, and in accordance with this Specification. 4, while the percentage of the super plasticizer varies from 2 to 5% by weight of cement. Also present in the slurry is fine aluminum powder - this is added to produce the cellular structure. 82 or lower resulted in piles that were free of voids on the exterior surface except for some small voids near the base of the piles. The slurry is then pumped from the mix plant to the excavation. This is not old school this is a common current term used for typical standard mix designs, such as 5 sk, 5. 03 - Class 4000DS (see SCDOT 701) Aggregate Type Min. MATERIAL MIX RATIO THEORETICAL COVERAGE PER COAT CONCRETE PACKAGING <50 g/L Primer 3460 20% potable water 1:4 250 sq. The mix proportions of the various slabs are presented in Table 1. ) of cement, and pump this through the grouting system. An average increase of 0. Pour the part A into a five gallon mixing vessel. This raw mix is burned at about 1450 °C to form clinker which is later ground to the well-known fineness of cement. what is a good ratio for mixing slurry grout in a concrete mixer? I"ve heard 5 shovels of sandgravel mixture one shovel of portland cement and water to make it a little soupy. It is designed to protect concrete, wood and steel substrates from thermal shock. Top, centre, a sample of some 'screened' dry-slaked, 1:3 quicklime:sand mortar with, below it in the centre, a fully mixed and matured sample of mortar made from the very same mix, but now to a ratio of 1:2 slaked lime:sand. are then tested and finally concrete mix design is done using these materials. If you add too much water add a little more cement to "dry " mix out. The usual water cement ratio is 45% (5. Now, on to slurry coating. of TAPECRETE. The natural water-cement mixing ratio is around 44% water by weight of cement. For all aspects, the composition may comprise about 10% to 50% by weight inorganic cement or cementious material and about 5% to about 40% by weight organic polymer particles. This page contains a price guide for a new patio. What is the history of cement? The term 'cement' is used to describe a range of binding materials, the most common of which are known as hydraulic cements. Small batches require less soaking time than large batches. You do not mix this with the cement but mix and paint on afterwards. Your stabilized sand mix can be customized to meet the needs of your project. Its range of neat cement slurries is limited by minimum and maximum water/cement ratio. The CSH gel comprises around 70% of fully hydrated Portland cement at ambient conditions and is considered the principal binder of hardened cement. By adding more sand, the material can be made stiff enough to slop with. Dilution rates and mix designs A. MIX 500 grams of properly sampled cement with enough mixwater to achieve the planned water/cement ratio for five minutes, using the mud mixer (Hamilton Beach) at high speed. 3, Large range of water cement ratio: it is especially adaptable to mortar in high concentration. Plasticiser is optional. Different applications but as examples for dry or not dry. Next, make a small crater in this mixture and add half a bucket of water. 2 provides an accepted procedure for sand cement slurries. The hydrostatic head of the cement column may thus be reduced down to that of the mix water. We are the leading producer of ready-mixed concrete and construction aggregates throughout Southern and Northern California all the way into the Nevada areas. 4 L) of water. It is designed to protect concrete, wood and steel substrates from thermal. From concrete roadwork to interlocking pavers, cement stabilized sand is an excellent base. conventional grade-c20-c25-c30-concrete mix ratio, the following design methods are carried out. 5 cubic feet of rock = 27 cubic feet total. ” Use hydrated lime, commercial lime slurry, or quicklime, as shown on the plans. 5 parts cement. water-cement (w/c) ratio. Delivery pump frequency controlled slurry pump with remote control, capacity depends on volume of panel and speed of mixing. that replacing 15% of the cement content in the concrete mix at a water to cement ratio of 0. 25m3 ( 250 liters ). cement in conventional mixes with moderate water-cement ratios (0. Using a shovel, smaller bucket or scoop, put three parts sand and one part cement into a mixing tub or trough, wheelbarrow, cement mixer or a 5-gallon (19 L) bucket. cement/concrete. This batch will have a density of about 125 pounds per cubic foot. White Cement Slurry Fill mix for countertops. The balance water will be add and mixed thoroughly to achieve slurry of uniform consistency for easy spreading. A builders’ wheelbarrow, filled level to the top, has a volume of 65 litres (0. 3 - 5 m³ (as buffer for cement slurry) 2,2 Silos for cement and bentonite with screw conveyors 2 x 5. By adding more sand, the material can be made stiff enough to slop with. " Finding the right balance to achieve all these requirements comes mainly from experience. A wet, soupy mix, (a slurry), easily pours into cavities of a mold, or over surfaces like bird bath molds. After the application of required pressure, specimens were taken out from the moulds. Soil Mixing Wall uses multiple auger, paddle shafts rotating in alternating directions to mix in-situ soil with cement grout, bentonite slurry, clay slurry, or other stabilizing reagent slurries to install continuous subsurface soil-cement walls for excavation support and groundwater or underground pollutants control, or ground reinforcement; column blocks, lattice, or areal patterns for. The exact composition of good cement is open to debate. The closer the clay percentage gets to 30%, the closer it is to a Portland cement, since the strength will. (For this example, we will be using a custom mix as described above using 1 part cement (94 lb. Use a ratio of 3 parts sand to 1. Most people work to a ratio of SBR diluted 1:1 with water and then mixed with approximately 30% by weight of adhesive. But the current pointing is strong cement, with black colouring - ash or something. 5 parts cement. The typical soil-cement slurry was a mixture of soil, Portland cement, superplasticizer and water. It is also often referred to as slabjacking, concrete leveling, and concrete raising. 318 kg of MgO per liter (7. what is a good ratio for mixing slurry grout in a concrete mixer? I"ve heard 5 shovels of sandgravel mixture one shovel of portland cement and water to make it a little soupy. Slurry Density is the ratio of sum of the weight of water and additives to the volume of cement slurry. 0% of cement weight; Suitable for use in ready-mix concrete, precast concrete, high-performance concrete, fly ash concrete; Available in powder, liquid finish form. The water-cement ratio of the slurry is typically specified to be in the range of 0. Type S cements are stronger than type N and should be chosen. grade with nominal mix as per IS 456-2000 was used. introduction 1 american concrete institute (aci) method 4 general 5 limitation aci method 5 required parameters of ingredients 5 equipment and apparatus 6 design guide line 7 summary of design procedure 12 mix design data sheet 13 design steps 14 compressive strength test of sample 17 graphical. 065 cu m, which is almost double the volume of a sack). 55 w/c ratio is not workable while mix at 0. Water to cement ratio is one the largest single factor on which strength of compacted concrete depends. (86) However, at the Boston Central Artery/Tunnel Project,. This material has a higher percent of recycled material, typically 87% flyash. The reason that the previous piston pumps struggled was the abrasive nature of the cement, sand (8%) and water mix (0. hi guys, does anyone have any specific recommendations as to how much bondcrete should be added to a cement slurry to bond a screed to existing concrete? the instructions on the bondcrete packaging are a bit different to what ive read and been recommended by other people some say 5 parts cement, 1 part. This technique is typically used to build diaphragm (water-blocking) walls surrounding tunnels and open cuts, and to lay foundations. A standard bag of cement weighs 50kg so the equivalent quantities and weights are: 1 Bag cement = 50kg = 0. 46, which means 46 grams of water to 100 grams of dry cement. Where γsoil is the total unit weight of the soil. 14 m 3) Drum Opening. Use about five gallons of cement slurry for each 50-foot section of material hose. Coloring: If coloring the slurry, mix the color into the slurry in the same ratio as was used on the concrete mix. water-cement (w/c) ratio. Test procedure. 0 by weight will segregate without the addition of Bentonite to provide a thick but “pumpable” grout mix. Bonding slurry - Bonding slurry is a thick, modified concrete paste that you use as a transitional layer in between old, existing concrete and a new concrete mix that you want to put over the old. plasticizer, silica fume dries up the mix. MIX MIX ( X1)+( X1/4) +( X2). 35 with marble slurry would decrease the water permeability and abrasion of the mix. Conversely, in Bredel pumps, nothing but the hose touches the fluid. In this research, the replacement percentages of slurry water in concrete mixes are at 10%, 20%, 30%, 40% and 50% of tap water. M25) We all know that water cement ratio will directly affect the strength of concrete. • Using a stiff brush, work the bonding slurry well into the damp surface. A small portion of cement may be used in order to help firm up the mix and dissipate the large volume of water typically in the mix. Also, some grout slurry should be available before starting to pump so it can be run through the hose to slick the line. Historically, a sand/cement mixture was mixed with water to a fairly dry consistency and was spread on either a portland cement water paste (neat cement), or over cement powder spread on the surface which is then sprayed with water to create a slurry coat and spread over the surface. The mix designed was according to the DOE method [23]. Stir the mixing liquid before adding it to the concrete or mortar mix. Using a shovel, smaller bucket or scoop, put three parts sand and one part cement into a mixing tub or trough, wheelbarrow, cement mixer or a 5-gallon (19 L) bucket. 5 sk and 6 sk. 1 | FEEDING, DISCHARGE AND WEIGHING AUGERS. After the concrete is. cement content or by adding other ingredients to the bentonite—water slurry. Achieves 5000 psi after 28 days. Four manipulating variables were set in formulating the cement slurry namely, the ratio between fly ash and slag to alkali binder, ratio of sodium hydroxide (NaoH) to sodium silicate, molarity of NaoH and amount of dispersant added. A seal coat over the top will also help for longevity. It plays a major role in creating a strong, durable concrete block. 02112 pounds [lbs] Cement, slurry weighs 1. Next, make a small crater in this mixture and add half a bucket of water. Poor F/L control may lead to Loss of water to formations. For many people, the water/cement ratio is only an abstract number having an inverse relationship with concrete compressive strength. white cement with marble slurry:A mortar of JK White Cement dolomite powder and marble chips is prepared in a ratio of 31 6 The surface should be combed properly cleaned and cured before application of finishing plaster A neat JK White Cement or coloured cement slurry is prepared and. Though water-cement ratio improves the workability of concrete, it ultimately reduces the strength to a great extent. 6 bulk density beads, the following computations will prevail: To mix 1 bbl of final mix, the proportions are calculated as follows: Density of base cement = 16. You may also find the mix takes a bit more water than planned. Urethane slurry system system General Polymers FasTop S URETHANE SLURRY SYSTEM is a self-leveling slurry to be applied at 3/16” thickness and broadcast to yield a 1/4” - 3/8” finished system. It is made from Portland cement, lime, sand, and water in varying ratios. Expect cracks and seal them as soon as possible. The natural water-cement mixing ratio is around 44% water by weight of cement. 5 lb pail MIXING RATIO : 4 parts dry volume XS Precast Slurry to 1 part water COVERAGE Depends upon application and substrate 1 - 3. Over plastic, semi-dry consistency traditional mortar beds (min 20mm thick) before beating in pavers and ceramic or stone tile. 50 respectively. Fast-Setting Concrete Mix also allows you to set posts and poles with no mixing or bracing required. Take note of the exact amount of water required and keep using the same water ratio throughout the project for consistent. ) of cement, and pump this through the grouting system. Slurry seal is a mixture of emulsified asphalt, crushed aggregate, water, and set-control additives such as aluminum sulfate and/or Portland cement. Dip a paintbrush into the mixture and paint it into its intended spot. The cement mortar ratio will be different based on the work and suitable type of cement mortar ratio will be select accordingly. Point joints with above mix, while bonding slurry is still wet. When mixing the mortar use a 4:1 ratio (sand to cement). Cement was also formed by mixing microcrystalline calcium phosphates, beta-tricalcium phosphate, hydroxyapatite and tetracalcium phosphate with phosphoric acid solution. Bonding slurry - Bonding slurry is a thick, modified concrete paste that you use as a transitional layer in between old, existing concrete and a new concrete mix that you want to put over the old. 2 gallons of water per 94 lb. Cement additive chemicals are either dry blended with the dry cement, or are added in liquid form to the mix water, which is delivered to the mixing unit automatically via the control system. Mudjacking is the process of pumping a water, dirt and cement mixture under a concrete slab in order to lift it. Either it increases the strength if. Mixture: a fluid consisting of solids and a liquid. The dry ingredients are. Mix ratio of concrete defines the ratio of cement sand and aggregate by volume in that order. Pour the required amount of water into a clean bucket and add the powder slowly, mixing to a smooth lump-free consistency, i. 44 m 3 /tonne will therefore have a much higher consistency than for instance a Pozzolan cement at 0. This technique is typically used to build diaphragm (water-blocking) walls surrounding tunnels and open cuts, and to lay foundations. We recommend a 6-1/2 bag mix or 4,000 PSI concrete with a 6-8% air entrainment and low slump in the 3-4"range to avoid Spalling of the surface from the winter. The cement content of the CLSM shall not be less than 188 pounds per cubic yard (2 sacks), unless recommended otherwise by the licensed civil engineer and accepted by the Department. 65 to pass the flow cone test, meanwhile the 1 : 1. ) First add some water (roughly four gallons to start off) and figure out how much of each material to add using a 3 to 1 ratio of sand (3) and cement (1). Thanks, Tscarborough, for that chart, which gives exact water amounts. Number of sacks of cement = slurry volume, cu. 2 gal/sack) of dry cement; 500 gal per cementing unit should be provided for priming, testing, and cleaning up. 4 L) of water. Slurry seals are used to fill existing pavement surface defects as either a preparatory treatment for other maintenance treatments or as a wearing course. water-cement (w/c) ratio. The slurry was stirred for 15 mins to get a good mixture and then it was transferred into the grouting barrel. or slapdash and what amount of cement and sand (if any) and what ratios is best for a nice tight dash. Cement slurry and cement-water glass slurry are the most widely applied for soil grouting reinforcement project. 25kg of Portland cement or Cement Fondu (approx. Wall properties: Mix ratio: – Selection of the slurry mix ratio is to be determined –. For the initial mixing, a high speed propeller-type mixer is used. Mixing Paddles. Cement was also formed by mixing microcrystalline calcium phosphates, beta-tricalcium phosphate, hydroxyapatite and tetracalcium phosphate with phosphoric acid solution. bags) to 3 parts sand and will be mixing one bag at a time. The Miller number (hardness) of the solid in the slurry 4. Fly ash is used as a partial replacement for cement and is varied at ratio of 30 % and 60 %. It is made up of soil, cemen-. Though the terms are often used synonymously, cement, concrete, and mortar are actually three distinctly different materials:. Other aspects, such as the type of brick or stone, or the sand being used will affect the final mix. Over concrete before placing a ‘semi-dry’ consistency traditional mortar bed from feather-edge to desired thickness. Mixing was accomplished in a mortar mixer for 2 min. Dry mix 5 parts fine sand to 1 part portland cement. The water-cement ratio of the slurry is typically specified to be in the range of 0. Cement should be fully dispersed in the water prior to mixing. A watered down mixture of this Ash grove Pro Mix Masonry Cement Type S Trinity White, Antique White,. Add the 25kgs of ciment fondu. Water to cement ratio is one the largest single factor on which strength of compacted concrete depends. Each component must be pre-mixed separately to ensure product uniformity. , University of Port Harcourt, NIGERIA 2Dep. This product is - waterproofing slurry & moisture seal. You may also find the mix takes a bit more water than planned. A spatterdash coat mix should be prepared using one part of cement to 2 parts of coarse sand with just sufficient water containing a bonding agent such as styrene butadiene rubber (SBR) to form a thick slurry. There are also prepackaged materials specifically for priming pump hoses. 5 ratio by Weight | Coverage: 100 sq. The Solution. The four materials of water, cement, sand, and gravel are the most basic components of concrete. 2 - 3 kg/m2 SURFACE PREPARATION All surfaces to be waterproofed with abe® waterproofi ng slurry must be clean and sound. Mixing Procedure: Load approximately 80% of the water anticipated for the size batch to be mixed and with the mixer running, slowly add the required amount of cement. Sand Slurry is a self-compacting form of Controlled Density Fill (CDF) primarily used for filling tanks and large voids in excavation. for pricing and availability. Hollow out the middle ,pour some water in and mix it to a slurry (porridge) ,repeat ,enlarging the hollow by dragging dry mix into the slurry. I can't remember the ratio but I've added a link to the technical data sheet. Point joints with above mix, while bonding slurry is still wet. This model has a maximum shear stress limit at relatively high rate of shear strains. Re: Vermiculite cement ratio question The higher proportion mixes, (I've heard as much as 10:1) require power mixing of the slurry, and adding it to the lightweight aggregate. Mixing may be done by hand or mechanical mixer and should be continued until a. 05% to about 0. Most current applications of CDF require unconfinedcompressive strengths of300 psi or less This allows for futureexcavation of 1 Offersnumerous cost advantages. 7th Avenue, Phoenix, Az. Different Mixing Approaches Two method of concrete mixing i. From http://www. Whisk the starch and water together, and then stir them briskly into the liquid. We’ve been in the concrete business for a long time, and cement slurry is one of the most basic forms we use. The cement used for oil well cementing differs from concrete or masonry work in that it consists of a thin slurry of primarily cement and water. The scratch coat is formed using one part Type I Portland cement, 1/4 part hydrated lime, and two to four parts sand, with enough water added to give the consistency of a slurry. Dry mix 5 parts fine sand to 1 part portland cement. An online on site concrete calculator to calculate the concrete mix ratio. If you add lime, the mixture will be 15 gallons of sand, 6. Mix ratio of concrete defines the ratio of cement sand and aggregate by volume in that order. Definition of the water-cement ratio Essentially the cement grout, or slurry, is a mixture of cement and water. Though the terms are often used synonymously, cement, concrete, and mortar are actually three distinctly different materials:. strength specimens incorporating a local cement product at 0. Another "old rule of thumb" for mixing concrete is 1 cement : 2 sand : 3 gravel by volume. The same by volume ( ie. Slurry is a mixture of a solid and a liquid. A builders’ wheelbarrow, filled level to the top, has a volume of 65 litres (0. We can have basic information that it can replace epoxy coated rebar by the PCS-coated rebar with curing age at 3-hour and coating thickness of 100 µm. (Contact CTS Cement for slurry machine support. 4 by weight) would make stronger concrete. Stir the mixing liquid before adding it to the concrete or mortar mix. Step 2 Add the dry mix into the mixer and allow the mortar to mix for about a minute, then add the remaining water as necessary. w/b ratio the workability was found to be less at the same replacement percentage of cement by granite slurry. 442 gram per cubic centimeter or 1 442 kilogram per cubic meter, i. So, the water-to-binder ratio of the slurry and the volume ratio are recorded for laboratory tests performed for wet mixing. 51 water/cement ratio (WCR) mortar mix proportions along with nanoparticle. Most current applications of CDF require unconfinedcompressive strengths of300 psi or less This allows for futureexcavation of 1 Offersnumerous cost advantages. Apply the slurry onto the substrate with a. And in fact, you could use superplasticizer to make your grout more fluid, instead of adding more bonding agent diluted with water. Mixing Ratio : Use 5 parts of CRYSTAL SLURRY powder to 2 parts water by volume for slurry consistency. Where γsoil is the total unit weight of the soil. The drilling causes no vibrations, and is assisted by cement slurry outflow from nozzles purposely located at the end of the soil. This mixing tool comprises a drilling rod, transverse beams and a drill end with a head. Discharged into the pile driver at pressures of over 10 bar, conventional pumps are subjected to continual wear problems. 1 of water cement ratio reduces strength. K eep in mind your juice will be the same color as the material you put in. Wall properties: Mix ratio: – Selection of the slurry mix ratio is to be determined –. Add enough water so that the mixture is the consistency of wet paint. of Petroleum and Gas Eng. Producers should develop their own mix design to accommodate their manufacturing process and local raw materials. The bulk density of wet sprayed concrete can be 2200-2300 kg/m 3, The weight ratio of cement to sandstone is preferably 1. The cement slurry is cured in a 50mm x 50mm x 50mm mold for period of 24 hours. They used Sherwin Williams Natural Choice White Paint and mixed it 1/2 and 1/2 with water. 5 Sack Slurry PHX CLM 1. The table also includes an indication of the primary uses and benefits, along with the cements that they can be used with. For larger jobs, you could rent a mixer ($35 per day), but it may be more economical to simply order ready-mix concrete. 50, and the sand ratio is preferably 50% to 60%. Adding hydrated lime to the mixture will reduce shrinkage cracks. Its basic mixture is a fine sand, cement and water. Step 3 Continue to mix for 3-5 minutes, until a uniform, workable consistency is achieved. Mix to a plastic consistency. Urethane Concrete Slurry - System Bulletin Terroxy Urethane Concrete Slurry Mixing: Terroxy Urethane Cement is a three-component product and must be properly mixed and applied in order to perform as specified. Mix: Put a small amount of Slurry Mix into a mixing container, and add small amounts of water until the mixture looks like peanut butter. 11-Gauge, Fully Welded. As a bond coat, for bonding old to new masonry surfaces (Mix Ratio: Cement, Multi-purpose Polyme and Water mix in 2:1:0. The process is known as hydration. Adapted from ACI 211. Clear instructions on the tub. The smaller the cement-sand ratio of the slurry, the higher the proportion occupied by harmful pores and the larger the aperture of the pores. 75 w/c ratio is workable showing good amount of density. Premium Enamel Coating. Mix to a plastic consistency. Ultra High Early (UHE) concrete had to remain workable long enough to mix, transport, place, and finish the concrete • No off the shelf mix design was available to meet the needs of the project. If the depressions between the chops fill with cement slurry, the mixture is okay. 75 for similar % of marble slurry. Apply the slurry onto the substrate with a. 3043 ton/m 3. Otherwise it's an aesthetic preference, some people don't mind the natural look while. You can buy ready mix mortar in a bag or mix the constituents on your own. Casting and Testing Detail: Total number 30 cubes and 30 cylinders were casted. If your background does not need any of this, such as concrete blocks , then you have no need for an sbr slurry. You’d be bet-ter off using conventional, concrete with a lower water-cement ratio. A normal concrete mixer is NOT suitable. Nanoparticle treated slurries were formulated by mixing. This technique is typically used to build diaphragm (water-blocking) walls surrounding tunnels and open cuts, and to lay foundations. Recommended application rates are 4. 25 – 3 cups of abe ® waterproofing slurry. 5 bags needed to make the 1 part portland cement 2 parts sand and 3 parts rock mixture: there are 27 cubic feet per yard, 1 bag (94 lb) of portland cement is 1 cubic foot so 1 yd has 4. They help by acting like a sponge, absorbing rainfall then allowing it to evaporate rather than soak into the wall. Add water to the cement slowly. Components A+B) for all colors except bright colors like White, Safety Yellow or Tile Red. 55 density of cement concrete for different % of marble slurry is more than water cement ratio 0. The weight density of the liquid c. Determine The Weight Of Bentonite And Volume Of 5. SFRC the steel fibers are mixed with wet (or) dry mix of concrete, erstwhile to intimately mix being poured into forms. The AV of a concrete mix can be determined if the weight and SG of the components are known. This article focuses on the target mix design of shotcrete. The main base materials for Portland cement, are limestone, marl and clay, which are mixed in defined proportions. Mixture: a fluid consisting of solids and a liquid. Some of the uses for Concrete: Roads (US more than UK), pipes, house foundations, walls, floors, concrete driveways, paths, paving slabs. Then depending on the weather conditions, one might add fiber-mesh and a retarder to help the workability of the concrete and avoid shrinkage cracks. Water Quantity = 0. Ordinary Portland cements manufactured by three local companies were used for the mixing. I second the Quickcrete suggestion, I also have had very good luck using quickcrete cement mix, it gives you a very nice finish. International Concrete Repair Institute guidelines. You now have a 5% mix ratio or 13. Additives such as fly ash and bentonite, as well as admixtures (plasticiser, retarder) can be added. Use a 50% mix of portland cement and sand and make a slurry of it. 5 kg water added to 1. The average consumption of cement for all West Bank’s ready mix concrete companies = 0. Emulsified asphalt used in the slurry mix may be SS-1, SS-1h, CSS-1, or CSS-1h. Squeegee or sweep with a stiff broom the slurry into the existing floor just ahead of concrete placement. A slurry wall is a civil engineering technique used to build reinforced concrete walls in areas of soft earth close to open water, or with a high groundwater table. ρ l = density of liquid without solids (lb/ft 3, kg/m 3). Since IRC apparently specifies a maximum allowable W/C ratio of 0. If your mix is too wet (Fig. M25) We all know that water cement ratio will directly affect the strength of concrete. After it hardens, concrete is resilient, durable, resistant to environmental extremes and capable of supporting heavy loads. The major materials needed in the preparation of concrete blocks are portland cement, sand, aggregate (stone), and water. When carrying out your work ensure the first course is correct as this is the most important course,if you find the motar is still going off to quickly try adding a retarder to the mix which will prevent the mortar going off to quickly. Mix the dry ingredients. NOTE: The more concentrate that you add, the more reactive ECO COAT will be. 2 gal/sack) of dry cement; 500 gal per cementing unit should be provided for priming, testing, and cleaning up. When using with a render or screed, prepare a 1:3 ARDEX Abacrete to water dilution by volume. (typically: 200 - 400 l/min, 12 – 15 bar, for instance EP 12-400 or EP 12-600) 18,5 Agitator tank approx. Water and cement ratios greater than 0. 50-lb High Strength Concrete Mix. Bonding/Bagging. Q: I've been using a formula for papercrete that uses pumice in place of sand. Different applications but as examples for dry or not dry. 2, SJBⅰ has the function of mixing, mixing and grouting can be completed synchronously by one machine. Put your water in the mixer & add first 50 litre bag of vermiculite. The typical soil-cement slurry was a mixture of soil, Portland cement, superplasticizer and water. 1/2 gallon) Color: Available in Natural Gray Cement, and White Cement. 3 parts washed sand : 1 part GP white cement. Calcium nitrate (1% & 2%), triethanolamine (0. Cement slurry with bondcrete mix. Soil Mixing Wall uses multiple auger, paddle shafts rotating in alternating directions to mix in-situ soil with cement grout, bentonite slurry, clay slurry, or other stabilizing reagent slurries to install continuous subsurface soil-cement walls for excavation support and groundwater or underground pollutants control, or ground reinforcement; column blocks, lattice, or areal patterns for. Mudjacking: a repair technique for lifting concrete slabs that have settled over time with a mortar-based mix. MIXING AND APPLICATION 1. You can use a 50% mix of water and latex bonding agent (like Acryl 60) to make the slurry. This article focuses on the target mix design of shotcrete. Slurry is a mixture of cement paste, pigment, and water. The tables below provide guidelines for typical mixes that may be adopted for varying soil types but is only intended as a guideline. The machine cover space is 50-1000m². The tiles are placed in the wet slurry and "beat-in" with a rubber mallet and beating block. A mixture of sand, cement, water and sometimes line, cement slurry can be used for residential construction as well as commercial projects to create foundations, pour slabs and driveways and more. or 195 kgs. Slurry granite waste was weighed before putting in an oven at a temperature of 200 C for 6 hours. QUIKRETE® 5000 Concrete Mix. 24/7 Delivery of Durable, Fast-Setting Rapid Strength Concrete & Slurry Throughout Los Angeles. The natural water-cement mixing ratio is around 44% water by weight of cement. SFRC the steel fibers are mixed with wet (or) dry mix of concrete, erstwhile to intimately mix being poured into forms. Wanted my slabs to stick to the mortar bed (just seems a better job to me) so "painted" the back of each slab just prior to laying with a slurry mix of SBR and cement powder - they stuck like sh#t to a blanket and not a single rocker Then filled the joints, spaced at 10 mm, with a damp mix and the slabs will never move. Drive System. 44 and temperature 85 °C, the following values can be used: τ y = 40 Pa, a = 1. Cement slurry, a mixture of cement, water, and assorted dry and liquid additives used in the petroleum and other industries [1] [2] Soil/cement slurry, also called Controlled Low-Strength Material (CLSM), flowable fill, controlled density fill, flowable mortar, plastic soil-cement, K-Krete, and other names [3]. The key is finding the best water cement ratio for the job! Sand is an important factor that keeps the cement slurry as fluid as possible while retaining some form of thickness. washout slurry. Re: TIP: Mixing Vermiculite Concrete CV, Thanks for the tip on mixing the Portland Cement and water together in a slurry before mixing with the vermiculite (perlite in my case. When trenches are on a steep slope, a stiffer mix of slurry may be required to prevent CLSM from flowing down the trench. In the unit concrete mix, after the ratio of the aggregate is determined, which means when the amount of the cement slurry is a fixed value, the water-cement ratio determines the consistency of the cement slurry. Tech grade or “mud gel” should not be substituted for cement-grade bentonite. A higher water-cement ratio is required if more sand is used in the mix to maintain the grout flowability. 25 or 5 gals 30 lbs <50 g/L 0 0 Slurry Coat 1/8” Skid Inhibiting Broadcast 3460 5150 5310 20-40 mesh 1:4 To Excess 90. At this stage the mixture should be a wet slurry mix. Should we be using sand?. projects, or portable silos on-site, a high pressure, high shear colloidal slurry machine is used for ease of production and to ensure effective mixing. The reason that the previous piston pumps struggled was the abrasive nature of the cement, sand (8%) and water mix (0. 065 cu m, which is almost double the volume of a sack). The cement content of the CLSM shall not be less than 188 pounds per cubic yard (2 sacks), unless recommended otherwise by the licensed civil engineer and accepted by the Department. We can have basic information that it can replace epoxy coated rebar by the PCS-coated rebar with curing age at 3-hour and coating thickness of 100 µm. 65 to pass the flow co ne test, meanwhile the 1 : 1. It will also make the mortar more waterproof. CLEANING Clean tools and equipment immediately after use with water. Minimum water is the least amount that can produce a pumpable slurry. When using a pump, you usually must prime the delivery hose with enough water or slurry made of cement and water. This model has a maximum shear stress limit at relatively high rate of shear strains. 0 sacks of cement per ton of bank sand. conventional grade-c20-c25-c30-concrete mix ratio, the following design methods are carried out. GROUTING INFORMATION The following table is the minimum acceptable amount of cement per ft. , University of Port Harcourt, NIGERIA 2Dep. The following are the materials required to produce 1 Cum of Concrete of a given Nominal Mix Proportion. The calcium hydroxide or lime slurry results from the mixing of dry hydrated lime with water in a mixing tank equipped with a slurry agitator. Use a 50% mix of portland cement and sand and make a slurry of it. The intended use for the concrete heavily influences how it is mixed. 14 m 3) Drum Opening. Thoroughly blend the dry components of the mix before adding diluted TARGET Polymer Bonding Agent. sieve), 38 lb of 48 percent solids latex emulsion, and 22 lb of water. 5 sk and 6 sk. Tech grade or “mud gel” should not be substituted for cement-grade bentonite. Uses A waterproofing slurry/screed for concrete, mortar, render, brick and block work for internal, vertical and horizontal use. Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Robertson’s has been serving the concrete products industry for over 50 years, Robertson's is always on the leading edge in the concrete products industry. water/cement ratio. This is a guide only and. Mix B characterizes a slurry at a w/c-ratio of 0,65. The mixing equipment varies from single to six augers configurations depending on the purpose of the deep mixing. Concrete mixtures should be kept as simple as possible, as an excessive number of ingredients often make a concrete mixture dif-ficult to control. Coloring: If coloring the slurry, mix the color into the slurry in the same ratio as was used on the concrete mix. new products dry mixed mixing cement plant. All cattle slat products are manufactured in accordance with BS 5502 and ISO 9001, ensuring that quality, durability and animal welfare are at the heart of the design and manufacture. Additives such as fly ash and bentonite, as well as admixtures (plasticiser, retarder) can be added. The additives were added to the water successively in the mixer with the mixing intervals of 20 s at 4000 rpm. Free water is a standard lab test done for cement slurries (described in detail in API RP 10B). 8 - 6 Litres water: 20kg LATICRETE 254 Platinum Adhesive. For Class C cement, API recommends a water to cement ratio of 0. Consistency Mixing Leveling Mortars Mix a 60 lb bag (27. Wear safety glasses and rubber gloves when handling the materials. FasTop S can be applied with a pin rake, screed rake or flat trowel. A normal concrete mixer is NOT suitable. 5 to 11 pounds of MgO per gallon) of brine with brines that vary in MgCl 2 concentration from 20% to 33%. 1 the free water-cement ratio required for the target strength of 43. Cement slurry alone can also be used for some applications. 1/2 gallon) Color: Available in Natural Gray Cement, and White Cement. HPMC polymer has positive impact on cement slurry for increasing thickening time as shown in Fig. The scratch coat is formed using one part Type I Portland cement, 1/4 part hydrated lime, and two to four parts sand, with enough water added to give the consistency of a slurry. Croom Concrete have been producing cattle slats for the agri-construction sector for over 30 years. Re: TIP: Mixing Vermiculite Concrete CV, Thanks for the tip on mixing the Portland Cement and water together in a slurry before mixing with the vermiculite (perlite in my case. This is to remove any residual water from the hose, lubricating it for the production material to follow. Moisten entire area to be resurfaced. Calculations: Inputs: C w = 65% ρ s = 5. Flowable fill concrete is a self-compacting cementitious slurry consisting of a mixture of fine aggregate or filler, water, and cementitious material which is used as a fill or backfill in lieu of compacted-soil backfill. For hand mixing, gradually add water (or additive) to mud bed while mixing with a mortar hoe in a wheelbarrow or mortar box. Blending the slurry seal materials in varying proportions in the laboratory is a great aid in selecting the proper mixture. Believe it or not, this is a great DIY project if you just practice first on a smaller concrete slab. , Port Harcourt, NIGERIA. The lower the density, the higher the insulating value. Just take the weight of water in a cubic yard and divide it by the weight of cement. To make 1 cubic metre of 15 Mpa concrete you will need to mix 5 1/2 bags of cement with 0,75 cubic metres of sand and 0,75 cubic metres of stone. They are about a one-to-one ratio of sand to cement with water, polymer, fiber and chemicals. Sagamore Ready Mix has successfully developed the DUST- FREE SoilCrete and Cement Slurry for soil stabilization and Full-Depth Reclamation. The concrete technologist should not,. Before you turn it all to soup turn the last of the dry mix ,in the corners of the barrow into the middle ,displacing the slurry into the corners , and finishing with a stiff (low slump) mix. NOTE: add the water to the mixer before adding the dry mix. If you need industrial-strength repair, you can perform a "slurry coat" application by mixing the concrete bonding adhesive with Portland cement, which will result in bond strength of 1300 psi. Whether you are looking for the right domestic or commercial concrete mix for your construction job, or are just curious about the different grades of concrete and would like to know more, read on to get an understanding of these different types of concrete and their uses, or get in contact today by calling us on 01442 389105. water-cement (w/c) ratio. A standard bag of cement weighs 50kg so the equivalent quantities and weights are: 1 Bag cement = 50kg = 0. 2 m 3 (cubic metre) Below is the nominal mix proportions (also referred to as the ratios of mixes) for different strength categories, using a 19mm stone. Test procedure. Product Specifications: Sizes: 3 lbs of slurry (approx. Specifications including, but not limited to, the required cement proportion, mix, and the water-cement ratio of the CLSM for the intended use. The common solution to stiff concrete is to add extra water to make it more flowable. Mudjacking: a repair technique for lifting concrete slabs that have settled over time with a mortar-based mix. 5) and water. SIFCON madeby infiltrating low viscosity cement slurry into a bed of steel fibers “pre-packed” in forms (or) molds. SYSTEM INFORMATION FasTop® 12S Urethane Slurry System General Polymers FasTop 12S is a urethane concrete slurry system applied at 4-5 mm (3/16") thickness and broadcast with aggregate to yield a 6-9mm (1/4-3/8") fi nished fl oor. We always advise choosing white over grey cement, which can slump and cause issues with adhesion. Too little cement may result in a curb that will not stand and/or has little strength Mixing Instructions. This system is most suitable for industrial environments where restoring an old and damaged concrete floor is desired. In this study, to increase the compressive strength, ground improvements using a slurry with low water–cement ratio (approximately 40%) has been developed. 5, you are going to end up with 4000 psi concrete. Top, centre, a sample of some 'screened' dry-slaked, 1:3 quicklime:sand mortar with, below it in the centre, a fully mixed and matured sample of mortar made from the very same mix, but now to a ratio of 1:2 slaked lime:sand. If your mix is too wet (Fig. The mix proportions of the various slabs are presented in Table 1. Robertson’s has been serving the concrete products industry for over 50 years, Robertson's is always on the leading edge in the concrete products industry. For a stronger bond, mix 1 part Thinset with 1 part Hy-Speed 500 powder into a slurry and brush a thin coat on the surface as a bonding agent. Cement paste (cement mixed with water) sets and hardens by hydration, both in air and under water. 05008 MAG 0. Put your water in the mixer & add first 50 litre bag of vermiculite. Move quickly, before the slurry has a chance to dry. Please see the Table for the recommended mix ratio. cement/concrete. 01A(3)(h)Warm Mix AsphaltTechnology. At Metro Mix Concrete, not only do we supply Exposed Aggregate concrete to customers of Melbourne, we design and create concrete supporting the flair and imagination of Melbourne’s best architects and designers with an almost limitless range of functional and decorative concrete finishes, colours and effects. We’ve been in the concrete business for a long time, and cement slurry is one of the most basic forms we use. It is designed to protect concrete, wood and steel substrates from thermal. Poor F/L control may lead to Loss of water to formations. A standard bag of cement weighs 50kg so the equivalent quantities and weights are: 1 Bag cement = 50kg = 0. I"ve heard 5 shovels of sandgravel mixture one shovel of portland cement and water to make it a little soupy. Top, centre, a sample of some 'screened' dry-slaked, 1:3 quicklime:sand mortar with, below it in the centre, a fully mixed and matured sample of mortar made from the very same mix, but now to a ratio of 1:2 slaked lime:sand. Cement comprises from 10 to 15 percent of the concrete mix, by volume. 02112 pounds [lbs] Cement, slurry weighs 1. Summarized as follows: - proper surface prep - prewet surface for at least 1 hour (remove any standing water for SSD) - 1:1 sand:cement ratio with enough water for a flowable consistency. • Due to the short turnaround period imposed by ARRA requirements, an advanced mix design was developed quickly Mix Design – I-94 CPR Project. Cement additive chemicals are either dry blended with the dry cement, or are added in liquid form to the mix water, which is delivered to the mixing unit automatically via the control system. The mix design allows for the ability to match or pr. The use of high water cement ratios (typically 1:2 to 1:10) in cement-bentonite materials bordered on the perverse when considered in the light of conventional concrete practice. H:S ratio depending on the temperature, calcium concentration in the aqueous phase and curing time. Recommended dilution ratios are shown in the table. The recently developed quick-setting (CQS) asphalt emulsion is being used when early opening to traffic is necessary. This is done by pumping cement slurry (cement and water mixture) through the total hose length before pumping the masonry grout. Self-Hardening Slurry Trenches, a. A practical guide to rendering and plastering with lime. 1 part cement mix to a workable consistency with diluted Bond-crete Admixture. Fast-Setting Concrete Mix also allows you to set posts and poles with no mixing or bracing required. By varying the proportions of water and cement (w/c), the slurry can be made more on less fluid and will penetrate to a greater or lesser depth into the layer of expanded. The natural water-cement mixing ratio is around 44% water by weight of cement. This invention discloses a high rate, cement slurry mixing system and method which produces a highly dispersed slurry with the lowest possible viscosity in respect to the water cement ratio and the type and amount of chemical dispersant used in the slurry formulation. Water-cement ratio refers to the ratio of the amount of water in cement concrete to the amount of cement. per litre for 1 Coat). 0, the water-cement ratio is preferably 0. Read material safety data (MSDS) information before handling the product. A mix I like is a 3:1-1/2:1 mix. Therefore, knowing the soil pH provides various clues about soil properties (such. Most current applications of CDF require unconfinedcompressive strengths of300 psi or less This allows for futureexcavation of 1 Offersnumerous cost advantages. So a mix ratio of 1:2:4 represents Cement: Sand: Aggregate – 1:2:4 (by Volume) Material requirement for producing 1 Cum of Nominal Concrete Mix. What is the ratio for mixing concrete? - Yahoo! … Apr 24, 2007 · Prepare concrete mix cement for different types sack of cement for the desired mix. I second the Quickcrete suggestion, I also have had very good luck using quickcrete cement mix, it gives you a very nice finish. This is to remove any residual water from the hose, lubricating it for the production material to follow. The average consumption of cement for all West Bank’s ready mix concrete companies = 0. For larger jobs, you could rent a mixer ($35 per day), but it may be more economical to simply order ready-mix concrete. Test to Calculate Water-Cement Ratio. Ultra High Early (UHE) concrete had to remain workable long enough to mix, transport, place, and finish the concrete • No off the shelf mix design was available to meet the needs of the project. Since variations in slurry (HYDROCAL ® Brand White Gypsum Cement and water mixture) temperature produce variations in setting time, it is important to keep both HYROCAL Brand White Gypsum Cement and water in a stable temperature environment prior to use. The usual water cement ratio is 45% (5. PRODUCT MIXING: This product is packaged in pre-measured kits. It is usually expressed in kilogram per cubic meter (kg/m3) or pounds per gallon (lb/gal). 4,588,299 issued May 13, 1986--Ronald O. 600 x 50 mm. Material Placed: 4500 yards³ (3441 m³) Material Density: 35 pcf (561 kg/m³) Base Slurry Mix Design: Portland. Mix ratio may vary dependent upon weight of finish. Marble Slurry % At water cement ratio 0. Number of sacks of additive = number of sacks x percentage of. 3 - 5 m³ (as buffer for cement slurry) 2,2 Silos for cement and bentonite with screw conveyors 2 x 5. 55108 MAG 1 Sack Slurry 1. If your mix is too dry, or stiff (Fig. That comes out to about 8. This ratio was applied for all of the mixing in laboratory and for actual soil improvement in the site. The polycarboxylate based polymer was added as dispersing admixture. Slurry does not mix with water;it can be replaced by concrete Using a nuclear water/cement gauge or other method of determining the water/cement ratio of the. SoilCrete is a specialized cementitious slurry mixture designed specifically for soil stabilization / modification. Mixing solid MgO with MgCl 2 brine produces Sorel cement. The natural water-cement mixing ratio is around 44% water by weight of cement. Mix ratio of concrete defines the ratio of cement sand and aggregate by volume in that order. A Simple Mix For Ferrocement, innovative masonry , or modified, thin Coating applications. Adding hydrated lime to the mixture will reduce shrinkage cracks. It is designed to protect concrete, wood and steel substrates from thermal shock. Add or subtract sand as needed but do. The exact composition of good cement is open to debate. For best results, the prehydrated bentonite/water mixture should be used for mixing the cement slurry shortly after prehydration has been completed. A ratio by weight of 0. Most people work to a ratio of SBR diluted 1:1 with water and then mixed with approximately 30% by weight of adhesive. For example I prefer a mixing ratio of 1:0. Concrete Repair and Resurfacing - Installation Before placing mortar, apply a slurry bond coat made from 254. Drum Capacity. When trenches are on a steep slope, a stiffer mix of slurry may be required to prevent CLSM from flowing down the trench. Discharged into the pile driver at pressures of over 10 bar, conventional pumps are subjected to continual wear problems. From concrete roadwork to interlocking pavers, cement stabilized sand is an excellent base. Ensure the layer is tack free before follow-on application of rendering coats of. A ratio by weight of 0. Calcium nitrate (1% & 2%), triethanolamine (0. Empty Component B (Hardener) in the correct mix ratio into Component A (Resin). concrete mixture becomes too stiff with lower content, causing bubbles to break, whereas the mixtures becomes too thin to hold the bubbles with high water content, leading to the separation of bubbles from the mixture, water-cement (w/c) ratio usually ranges from 0. 55108 Approved Plants: Plant# 1 39360 N. We always advise choosing white over grey cement, which can slump and cause issues with adhesion. Concrete Reclaim System Efficiently Recycles Slurry Water In California "Reclaim systems have been around for about 20 years, but I felt the technology only recently met the needs of the smaller batch plant operations," reflected Bob Mann, general manager of the batch plant in Redwood City, California. Bonding slurry - Bonding slurry is a thick, modified concrete paste that you use as a transitional layer in between old, existing concrete and a new concrete mix that you want to put over the old. There are additives you can mix with the concrete for additional workability and strength. It is ideal for projects that necessitate a rapid set for same-day use. The replacement of Fly ash is done for both Conventional Concrete M30 Grade and SIFCON Concrete. Offshore Pumping & Mixing Equipment From superior sound abatement to vibration and dust control, Halliburton's offshore pumping equipment is the perfect choice for offshore projects. MIXING AND APPLICATION 1. Refer to reverse side for suggested mix ratios that can be adjusted based on individual results. Mudjacking Slurry Mix - Mudjacking Denver Concrete Raising Mud Jacking Contractors- mudjacking slurry mix ,Mudjacking is the process of pumping a water, sandy loam soil, and cement mixture under a concrete slab in order to lift it This mixture is called slurry The exact slurry composition varies from company to company, and from job to job Mudjack , Mudjacking Denver - What the Experts Say.
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