Guangdong High-Strength Non-Shrink Grouting Material Manufacturer, Equipment Foundation Grouting Material, Cementitious Reinforcement Grouting Material for Second Pour, Steel Structure Column Foot Grouting Material, Equipment Anchor Bolt Grouting Material for Footing Bolts
Main Products: CGM High-Strength Non-Shrink Grouting Series, CGM-340, CGM-380, Epoxy Grouting, Epoxy Patching Mortar, CGM-320 Support Grouting, CGM High-Strength Emergency Repair Material; High-Strength Polymer Mortar, High-Performance Self-Leveling Mortar (Colorful), High-Strength Abrasive Material, Steel Adhesive, Reinforcement Adhesive, Steel Infiltration Adhesive, Joint Sealing Adhesive, Carbon Adhesive, Dry Hanger Adhesive; Interface Treatment Agent, Prestressed Pipe Grouting Agent, Wear-Resistant Floor Hardener, etc., as well as Master Batch for Products...
Professional grouting material manufacturer (mainly used in road and bridge repairs, high-speed rail, expressways, water conservancy and hydropower projects, power plants, old building reinforcement, large machinery base materials, industrial flooring, and wear-resistant series, etc. Strictly complies with the new national standards, samples available for testing!)
High-strength shrinkage-free grouting material features
1. Flowability is greater than or equal to 300mm, allowing for even distribution and free flow after casting. 2. Self-sealing with good fluidity; does not leak water or segregate, no need for vibration; can fill the grouting area with its own weight. 3. Early high strength with high early strength: 1d strength ≥ 30MPa, 3d strength ≥ 50MPa, 28d strength ≥ 60MPa. 4. The micro-expansion grouting material uses composite expansion technology, with both pre-hardening and post-hardening expansion, preventing grout settlement shrinkage and water loss shrinkage, and preventing cracking and hollowing after casting, as well as reducing the effective bearing surface. 5. Durable as an inorganic mixture, resistant to corrosion and aging. Domestic research shows: after 2 million fatigue tests and 50 freeze-thaw cycle tests, there is no significant change in strength. The strength increases significantly after soaking in engine oil for 30 days. 6. Environmentally friendly, harmless, non-corrosive to steel bars, and non-polluting to water quality and the surrounding environment. 7. Suitable for winter construction, allowing outdoor work at temperatures as low as -10°C.
Grouting material
High-strength non-shrink grouting material application
(1) One-time and second-time grouting for equipment foundations requiring high-precision installation. (2) Reinforcement embedding and anchor bolt anchoring for construction and geotechnical engineering. (3) Construction and renovation of building reinforcement projects, including beam and column joints, expansion joints, and construction joints. (4) Emergency repair construction for roads, bridges, tunnels, airports, etc. (5) Anchor construction for railway sleepers. (6) Column wet wrapped steel reinforcement for filling angle iron and column gap joints.
High-strength non-shrink grouting material recommended dosage
Based on a reference dosage calculation of 2.2 to 2.4 t/m3, calculate the actual usage. It is because the grouting material has a high strength, far exceeding the strength achievable with cement, and alters the shrinkage characteristics of cement during curing that it is called high-strength, non-shrinkage grouting material. There are different models of grouting materials, such as CGM, HGM, etc., which are determined according to the standards of various architectural research institutes. They do not represent the quality of the product. Specific usage requires testing.
High-strength shrinkage-free grouting material application steps
1. Prepare mixers, grouting equipment, molds, and curing materials. Clean the grouting space and pre-wet the concrete surface.
2. Set up the molds and seal the joints with cement (sand) mortar and plastic tape to prevent leaks and grout seepage.
3. Add water to the grout material at a rate of 12-15% of its weight, and mix (using mechanical mixing for 2-3 minutes, or hand mixing for over 5 minutes).
4. Pour the well-mixed grout material into the grouting area from one direction. Use bamboo sticks or steel rods to guide the flow if necessary, and gently vibrate or tap the mold.
5. After completion, immediately cover with plastic film and place straw mats or cotton blankets for moisture curing for 3-7 days.
6. Use at temperatures between -10℃ and 40℃. Strictly prohibited from adding any admixtures or external materials to the grout.
Unit Consumption: Approximately 2200 kg/m3. Note: The national standard specification for grouting materials, "GB50448-2008 Application Technology Specification for Cementitious Grouting Materials," specifies compressive strength according to "GB177-85 Test Method for Compressive Strength of Cement Mortar Sand," and expansion rate according to "GB119-88 Application Technology Specification for Concrete Admixtures."
