High range water reducing admixture is used to produce high strength concrete to reduce cross section of compression members in high rise building, improve durability of concrete in aggressive environments, and many more applications. Highrange water reducer9 to 16 ozcwt 590 to 1040 ml100 kg midrange water reducer5 to 9 ozcwt 325 to 590 ml100 kg optimal addition rates will depend on other concrete mixture components, job conditions, and desired performance characteristics. Masterglenium highrange waterreducing concrete admixtures how do masterglenium highrange waterreducing admixtures work. Sika viscocrete 6100 is a high range water reducer that provides excellent plasticity, and may be combined with accelerator or retarder admixture to control the set time and slump life. Types f and g are highrange waterreducing hrwr admixtures and are required to reduce the water content of a concrete mix by at least 12%. The 12,000 psi materials admixture schedule includes highrange water reducers for optimal flow. Highrange waterreducing admixture astm c494 type a and f, and astm c1017 type i.
Specco w25 water reducer is a multicomponent water reducing admixture which can be used over a wide concrete slump range. Specco w25 water reducer is a multicomponent waterreducing admixture which can be used over a wide concrete slump range. Superplasticizers and air concrete construction magazine. Water reducing admixtures for concrete kingsun chemical. High range water reducing admixture ploycarboxylate superplasticizer introduction.
Plastol 5000 can be added at the plant or job site and is compatible with other admixtures. The tytro shotcrete system is designed to help contractors and mining companies reduce operating costs while meeting the specs and safety requirements of the most complex tunneling and mining projects. Superplasticizers high range water reducer astm c494 type f and type g, high range water reducer hrwr and retarding admixtures are used to reduce the amount of water by 12 % to 30% while maintaining a certain level of consistency and workability typically from 75 mm to 200 mm and to increase workability for reduction in wcm ratio. Waterreducing admixture an admixture that reduces the quantity of mixing water required to produce concrete of a given consistency.
Superplasticizers sps, also known as high range water reducers, are additives used in making high strength concrete. A typical metre of concrete might take 150 litres of water, salazar says. Adva cast 600 is a product in the concrete admixtures category. Sample records for highrange waterreducing admixtures. Highrange, waterreducing admixture n x l ly version.
Superplasticizers high range water reducer astm c494 type f and type g, high range water reducer hrwr and retarding admixtures are used to reduce the amount of water by 12% to 30% while maintaining a certain level of consistency and workability typically from 75 mm to 200 mm and to increase workability for reduction in wcm ratio. Cement water reducer improves workability and strength. With excellent placeability and workability, flow through congested forms. Consequently, the use of highrange waterreducing admixtures is increasing substantially in the concrete industry. Guide for the use of high range water reducing admixtures. This may, in some circumstances, decrease the water. Highperformance super plasticizer for cement based construction materials. Concrete additivewater reducersuper plasticizer 33lb.
We combine economic success with environmental protection and social responsibility. This technology can be used in concrete mixes that require higher levels of fluidity and early strengths. Concrete additive water reducer super plasticizer 33lb. Masterrheobuild highrange waterreducing admixtures with rheoplastic properties how does masterrheobuild work. Plastcone ap211 is a chloride free water reducing admixture based on selected sugarreduced lignosulphonates. A highrange water reducing admixture for the precastprestressed concrete industry.
Concrete mixtures containing these premier products. Admixture which, without effecting the consistence, permits a high reduction in the water content of a given concrete mix, or which, without affecting the water content increases the slumpflow considerably or. You may be enjoying the benefits of water reducers whether you know it or not. Graceconcreteproducts daracem 19 highrange waterreducing admixture astm c494 type a and f, and astm c1017 type i productdescription daracem 19isanaqueoussolutionofa. These are more recent and more effective type of water reducing admixtures also known as high range water reducer. Waterreducing admixture article about waterreducing. These admixtures are used to significantly increase slump without adding more water or to substantially reduce water content without a loss in slump. Superior high range water reducer specifically designed for superplasticised high performance concrete. A high range water reducing admixture was used in a field environment on an experimental basis by a large home builder in the dallasfort worth, texas, area. Waterreducing admixture, high range an admixture that reduces the quantity of mixing water required to produce concrete of a given consistency by 12 % or greater. Masterglenium highrange waterreducing concrete admixtures how do masterglenium waterreducing admixtures work. Types f and g are high range water reducing hrwr admixtures and are required to reduce the water content of a concrete mix by at least 12%. When used as a high range water reducer, sikament 300 ca will reduce water requirements by 2540%, increasing concrete compressive strengths at. An alternative method, an em algorithm identical to that implemented by the program.
Dynamon sx meets the requirements of astm c494 type a and type f and aashto m194 type a and type f. W25 water reducer will allow easy flowability and pumping of high slump concrete with increased early and final. Pdf effect of highrange waterreducing admixture type on. High range water reducing admixture for concrete the constructor. Concrete admixture manufacturer,concrete admixture. Types a, d and e must reduce the water content by at least 5%. There are enough different admixtures available that it is possible to select one that meets the need of a particular project whether it is tall columns that need a mix that pumps easily, or an easytofinish durable floor slab. When a water reducing admixture is added to concrete, the cement particles become. High range water reducers provide outstanding engineering performance and or concrete workability. Highrange waterreducing admixtures can increase the strength of concrete and provide greatly increased workability without adding more water.
Tytro products cover the full range of admixtures, including high range water reducers, retarders, air entrainers, rheology modifers and set. The admixture was added to the standard concrete mixture and the normal field crews were used for placement. There are three types of water reducing admixtures for concrete. High range water reducing admixture astm c494 types f and g decreases the watercement ratio and provides highperformance, particularly at early ages. High performance super plasticizer for cement based construction materials. Midrange water reducer provides normal concrete setting characteristics throughout its recommended dosage range. Super plasticizer provides an excellent development of early strength. Oct 03, 2016 at basf, we create chemistry for a sustainable future.
Pdf new generation waterreducing admixture for concrete. Aug 19, 2019 also known as highrange water reducers, superplasticizers can cut the amount of water in the mix by anywhere from 15 to 30 per cent, compared to five to eight per cent for a conventional water reducer. A diverse and proven product line of concrete admixtures for water reduction, compressive strength, slump retention, and more. Sikament 300 high range water reducing, superplasticizing admixture for concrete, sikament 300n highrange water reducing admixture.
It is capable of producing great water reduction, great flowability, or both. Premiere concrete admixtures mid range water reducers. The main benefits of super plasticizers can be summarized as follows. Giving the best workability, having superior slump retention and aiding in the production of high performance concrete hpc and self consolidating concrete scc. Sika viscocrete 2100 may be used in both ready mix and precast applications, as a plant added high range water reducer to provide excellent plasticity while maintaining slump for up to 90 minutes. These control mixtures were subsequently modified by using a high range water reducing admixture to increase slump c11, c12, c, c21, c22, incorporating a viscositymodifying admixture vma to increase viscosity c14, or adding water to increase slump c23. With the advent of water reducing chemical admixture as well as high range water reducing and airentraining chemical admixtures, concrete technology is improving significantly since around 1980.
High purity water reducer concrete admixture sulphonated naphthalene formaldehyde snf description. The percent of water reduction is relative to the original mix water required to obtain a given slump see table 2. Accelerating admixtures have a relatively limited effect and are usually only cost effective in specific cases where very early strength is needed for, say, access reasons. Adva highrange water reducers gcp applied technologies. Its most effective high range water reducing in the market which the reducing rate can go up to 3540 %. Use of water reducers, retarders, and superplasticizer. W25 water reducer allows ideal mid range water reduction of 520% depending on dosage rate. Highrange, waterreducing admixture dynamon sx is a highperformance, waterreducing admixture for concrete, is based on. Description dynamon sx is a highperformance, waterreducing admixture for concrete, is based on polycarboxylate technology and belongs to mapeis dynamon system. The magic of water reducers in concrete concrete decor. Highrange water reducer how is highrange water reducer.
At a given watercementitious ratio, the slump required for. A highrange waterreducing admixture was used in a field environment on an experimental basis by a large home builder in the dallasfort worth, texas, area. It is supplied as a brown solution which instantly disperses in water. Polycarboxylic acid is a new type super plasticizer developed suitable for engineering projects under various weathers and primarily for using in hot climate area, which have liquid and powder form. High range water reducing polycarboxylate superplasticizer. Water reducing admixtures typically fall into three groups.
The effect of the admixture on slump, compressive strength, flexural strength. The masterglenium product offering from basf comprises new generation high range water reducing admixtures that are specially formulated for applications where slump retention, high early strengths and durability are required. Plasticizers are chemical compounds that enable the production of concrete with ca. These control mixtures were subsequently modified by using a highrange waterreducing admixture to increase slump c11, c12, c, c21, c22, incorporating a viscositymodifying admixture vma to increase viscosity c14, or adding water to increase slump c23. High range water reducing admixture astm c494 types f and g decreases the water cement ratio and provides high performance, particularly at early ages. The algorithms and software i developed to study historical admixture and population evolution fall. Each of these admixture types is defined by the range at which it decreases water. The main purpose of using superplasticizers is to produce flowing concrete with very high slump in the range of 79 in.
High range water reducer airentraining admixture mnchaj type. Plastol 5000 can be used to produce increased concrete slump or to significantly reduce water demand for a specific slump. The 12,000 psi materials admixture schedule includes high range water reducers for. Sodium naphthalene sulfonate formaldehyde is one of high range waterreducing admixture or superplasticizer. It is designed to impart extreme workability without segregation to the concrete. Sodium naphthalene sulfonate formaldehyde is one of high range water reducing admixture or superplasticizer. They can greatly reduce water demand and cement contents.
Masterrheobuild admixtures provide superior cement dispersion allowing for the production of flowable concrete with a low watercement ratio. Midrange water reducer is a new generation midrange, water reducing admixture specifically formulated to dramatically enhance the finishability and workability of concrete. With the advent of water reducing chemical admixture as well as highrange water reducing and airentraining chemical admixtures, concrete technology is improving significantly since around 1980. Highrange water reducer an overview sciencedirect topics. Its chemical admixture that can be added to concrete admixture to improve workability. Beyond these times, a high range water reducer alone will usually be more costeffective. Plastol 5000 is a ready to use polycarboxylate based, high range waterreducing admixture for concrete. Polycarboxylate superplasticizer is an environmentally friendly waterreducing agent, with uniform particles, low water content, good solubility, high water reducer and. Waterreducing admixtures typically fall into three groups. These groups are based on the range of water reduction for the admixture. High range water reducing admixture can reduce the watercement ratio while maintaining.
Penetration and compaction round dense reinforcement. Also known as highrange water reducers, superplasticizers can cut the amount of water in the mix by anywhere from 15 to 30 per cent, compared to five to eight per cent for a conventional water reducer. High range water reducers are used to reduce water demand at 12 30%. Highrange waterreducing superplasticising definition en 934 part 2. Plastol 5000 is a ready to use polycarboxylate based, high range water reducing admixture for concrete. These specially formulated high range water reducing admixtures impart rheoplastic qualities to concrete that improve the placement of fresh concrete for enhanced production efficiency. Different types of water reducers structural engineering. Mid range water reducer provides normal concrete setting characteristics throughout its recommended dosage range. High range water reducing admixture reduces the quantity of mixing water required to produce concrete of a given consistency by 12 % or greater, as per astm c 494 c 494m. Naphthalene based superplasticizer kingsun naphthalene based superplasticizer sodium naphthalene sulfonate is a high range water reducer, and it is a product in which naphthalene is sulfonated by sulfuric acid and then condensed with formaldehyde.
In summary, a hardening accelerator may be appropriate for strength gain up to 24 hours at low temperature and up to 12 hours at ambient temperatures. Its unique chemistry results in more complete and efficient hydration of the cementitious materials in the concrete matrix, providing more psi per pound of cementitious materials. Plastcone ap211 disperses the fine particles in the concrete mix, enabling the water content of the concrete to perform more effectively and improving the. Admixtures for concrete and ancillary products mapei. Modified lignosulphonates, naphthalene, melamine and polycarboxilates based high range water reducer hrwr are like wr surface active agents and perform in similar manner, but more powerful. W25 water reducer allows ideal midrange water reduction of 520% depending on dosage rate. The use of superplasticizers may produce high strength concrete compressive strength up to 22,000 psi. Masterrheobuild highrange waterreducing admixtures. Globmarble super plasticizer is especially optimized for plastification and water reduction of cementitious construction materials. Consequently, the use of high range water reducing admixtures is increasing substantially in the concrete industry. At basf, we create chemistry for a sustainable future. Complete concrete solutions gcp applied technologies. High purity water reducer concrete admixture for dispersing.
Highrange waterreducing admixture how is highrange. Submittal data adva cast 600 high range waterreducing admixture. Masterglenium highrange waterreducing concrete admixtures. Highrange waterreducing admixture how is highrange water. Tony schlagbaum, group product line manager at degussa admixtures inc. Water reducers reducing the water content of concrete. Find submittalready datasheets, sds, specs, icces reports. Often referred to as a superplasticizer, this material is properly categorized as a highrange waterreducing admixture hrwra meeting the requirements of astm c 494 type f or g or astm c 1017. Can produce high slump flowable concrete with no loss in strength can produce low watercement ratio concrete and therefore, high strengths concrete produced with type i cement may be substituted for normal. As a superplasticizer, sikament 300 ca may be added with the normal amount of water to produce flowing concrete with up to a 15 cm increase in slump.
The water reducer will allow cement particle not to collect together, more cement surface area is available for reaction with water. Superplasticizers allow reduction in water content by 30% or more. High range water reducing admixtures can increase the strength of concrete and provide greatly increased workability without adding more water. Highrange water reducers, astm c 494 aashto m 194 types f water reducing and g water reducing and retarding, can be used to impart properties induced by regular water reducers, only much more efficiently. Mid range water reducers provide excellent concrete workability and finishability. Masterglenium high range water reducing concrete admixtures how do masterglenium high range water reducing admixtures work. Guide for the use of high range water reducing admixtures superplasticizers in concrete. Submittal data adva cast 600 high range water reducing admixture buildsite.
Optiflo mid range water reducers are multicomponent waterreducing chemical admixtures, which are carefully formulated to enhance the quality and performance characteristics of plastic and hardened concrete. Highrange water reducers are used to reduce water demand at 12 30%. Controlled set times make sika viscocrete 2100 ideal for horizontal and vertical applications. Adva 390 admixture is a high efficiency, low addition rate polycarboxylatebased highrange water reducer designed for the production of a wide range of concrete mixes, from conventional to selfconsolidating concrete. Contact mapeigrts technical services department for further advice. The masterglenium product offering from basf comprises new generation highrange waterreducing admixtures that are specially formulated for applications where slump retention, highearly strengths and durability are required. Hardening accelerators are often based on high range water reducers, sometimes blended with one of these salts. Effects of water reducer and high range water reducer on. Dec 06, 2004 you may be enjoying the benefits of water reducers whether you know it or not. Submittal data adva cast 600 high range waterreducing.
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