Mechanical Properties Cement 50 parts Sand 50 parts VITACRETE GR 0.22 parts Compressive strength 28 days 500 kgf/cm2 Flexural strength 28 days 89 kgf/cm2 Tensile strength 28 days 43 kgf/cm2 II.Mix Proportions Neat Cement Grout Cement 50 kg VITACRETE GR 220 gms Water 20 liters Yield approx. 38 liters grout Notes The properties of grout are influenced by the mixing procedure, cement properties, water/cement ratio, installation temperature and other factors. It is essential that the user conducts site tests to determine the procedures required to obtain optimum results. -1.5 -1 -0.5 0 0.5 1 1.5 Early Volume Change (ASTM C827) Expansion Rate (%) 1 5 10 24 Time (Hrs.) VITACRETE GR VIT AC R E T E GR 0 1000 2000 3000 4000 Penetration Resistance (ASTM C403-68) 1 2 3 4 5 6 Penetration Resistance (PSI) 4 5 6 7 8 500 Time (Hrs.) VITACRETE GR GROUT ADDITIVE 1/2 www.cemkrete.com Telephone Office : Email : 086-341-4053 [email protected]
VITACRETE AG 3 is specially formulated portland cement additive for the grouting of pre-tensioned and post-tensioned cable ducts, anchors, bearing plates, and other injection grouting applications. The chemical reaction of VITACRETE AG3 increase fluidity without causing segregation of the grout, and causes volume expansion prior to setting, thus ensuring that cavities are filled. VITACRETE AG 3 is a non-toxic powder additive which contains no chlorides or other corrosive materials. ADVANTAGES VITACRETE AG 3 offers many advantages over unmodified cement grouts, including: ▪ Effective grouting for pre-tensioned and post-tensioned cable ducts, tunnel linings, anchors, etc. ▪ Improved workability and fluidity ▪ Increased cohesion, reduced bleeding and no segregation ▪ Higher strength and improved adhesion ▪ Improve protection of reinforcing against corrosion ▪ Controlled setting time to provide sufficient time for total filling of voids before setting of the grout occurs. APPLICATION VITACRETE AG3 is usually dosed at 1 percent by weight of cement. The dosage rate may be varied within the range 0.5 to 2.0 percent to suit individual project requirements. Mechanical mixing, using a high-shear mixer such as a grout mixer, is recommended. The use of rotating drum concrete mixers is not recommended for grouting operations. Always add the required amount of water to the mixer first, then add VITACRETE AG 3 followed by cement with constant mixing. A total mixing time of 4 to 5 minutes is adequate for most cements, and a water / cement ratio of 0.35 -0.40 gives best results. Although VITACRETE AG 3 gives significantly improved and void filling ability to the grout, it is still necessary to provide air vents at appropriate locations to allow air to escape as voids are filled. VITACRETE AG 3 INJECTION GROUT ADDITIVE www.cemkrete.com Telephone Office : Email : 086-341-4053 [email protected]
PROPERTIES Appearance : Light brown to grey powder Appearent Density : 0.7 kg. per litre Shelf Life : Minimum 1 year when stored under dry conditions and not exposed to excessive heat or direct sunlight PACKAGING 0.5 kg. per bag, 50 bags in a container. This package size is designed to give the typical 1 % dosage rate when 1 bag of VITACRETE AG 3 is used for each 50 kg. bag of cement. Special packaging can be provided to meet the specific requirements of large projects. NOTES The properties of grout are influenced by mixing procedure, cement properties, water/cement ratio, installation temperature and other factors, It is essential that the user conducts site tests to determine the procedures required to obtain optimum results. Contact UBAU for advice on the suitability of blended cements for use with VITACRETE AG 3. For precision grouting of machine base plates or column bases, it is usually more effective to use a pre-blended specialty grout rather than adding sand and additives to cement. Contact UBAU for advice on selection of the most appropriate material form the UBAU range of products. VITACRETE AG 3 INJECTION GROUT ADDITIVE www.cemkrete.com Telephone Office : Email : 086-341-4053 [email protected]
VITACRETE AG3 EN is a premium quality injection grout additive compound which designed for the grouting of bearing plates, pre-tensioned and post-tensioned cable ducts, anchoring and various precision grouts. VITACRETE AG3 EN consists of part A and B which is especially formulated to increase fluidity without segregation and bleeding. VITACRETE AG3 EN is a powder non-toxic additive, contains no chloride or any corrosive matters, equivalent to EN 445 - 447 standard. Advantages • Effective grouting for pre-tensioned and post-tensioned cable ducts, bearing plates, tunnel lining, anchoring, etc. • Higher strength and adhesion • Improved workability and fluidity (Pressure pumpable) • Increased cohesion, reduced bleeding and segregation • Protects against corrosion of prestressed wires • Prolonged setting time. Mixing VITACRETE AG3 EN consists of part A and B which are both solid phase (powder). It is dosed at 0.8 - 2% by weight of cement. A mixing time of 4-5 min. should be sufficient and a water-cement ratio of 0.36 - 0.40 gives best results. Procedure Adding water and AG3 EN part A, into a complete dissolve in water. (W/C: 0.36 -0.40 of cold clean water). Continue mixing Portland cement and water until the mixture completely dispersed. Add AG3 EN part B, into a homogeneous, making sure that a smooth consistency is obtained. Properties Appearance (Part A and B): Powder Storage : Dry and under shade condition. Packaging 0.5 kg/set , 50 sets in a container. AG3 EN part A : 0.1 kg/set AG3 EN part B : 0.4 kg/set Notes The properties of grout are influenced by the mixing procedure, cement properties, temperatures, adding of water. It is recommended that to determine the optional results, tests on site should be undertaken. VITACRETE AG 3 EN INJECTION GROUT ADDITIVE www.cemkrete.com Telephone Office : Email : 086-341-4053 [email protected]