PRODUCTS
PRODUCTS
PRODUCTS
Steel bar anchoring material
Main business：Building, infrastructure, industrial, mining, marine engineering, military engineering, expressway, tunnel, bridge, concrete repair, installation of large-scale mechanical equipment, wind power equipment, foundation bolt fixing, etc. High-performance, early-strength, micro-expansion, self-compacting, large-flow leveling, rapid repair cement grouting material
- Commodity name： Steel bar anchoring material
- Description
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Features: 1. High-strength, fast-hardening, and slight expansion 2. Self-flowing with high bonding strength 3. Freeze-thaw resistant and corrosion-resistant 4. Chloride-free and oxidation-resistant Usage
Preparatory Work
Before grouting, the surface of the base material in contact with the grouting material should be cleaned and roughened. The surface of the base concrete should be fully wetted 24 hours before grouting, and any accumulated water should be removed 1 hour before grouting.
Grouting Material Preparation
1. When mixing cement-based grouting materials, add water according to the water content specified in the product qualification certificate. Weigh the water first, then pour the grouting material into the water and stir.
2. Before grouting, select (but not limited to) the following equipment and instruments according to the on-site grouting characteristics: mechanical stirring; forced concrete mixer; manual stirring; hand-held drill stirrer. The mixing time is 3-5 minutes, and the mixing location should be close to the grouting material location. If there are a lot of bubbles on the surface, let it stand for 3 minutes before pouring, or you can tap the formwork appropriately.
3. Grouting should be continuous, and the mixed grouting material should be used up within 30 minutes.
4. Vibration is strictly prohibited during grouting. Appropriate poking is allowed, and the formwork can be tapped appropriately at the formwork.
Curing of Grouting Material
1. After grouting, the exposed parts should be sprayed with a curing agent or covered with plastic film, and covered with wet straw bags to keep them moist.
2. When using plastic film to cover, the exposed surface of the grouting material should be covered tightly, and condensation water should be maintained inside the plastic film.
3. If the surface of the grouting material is inconvenient to water, a curing agent can be sprayed.
4. The water curing time should be no less than 7 days, and the number of watering times should keep the grouting material moist.
Precautions
1. According to the weather forecast. Avoid outdoor construction on rainy days. If it rains during construction, cover the work surface with a rain cloth immediately. If rainwater enters, rework is required.
2. The standard water content of this product is 0.12-0.14. The water-cement ratio is an important part of cement grouting materials. Arbitrary addition of water will affect the product performance of cement grouting materials.
3. Use special mechanical forced rapid mixing for 3-4 minutes to prevent uneven mixing and the inclusion of unmixed materials, which will affect the later strength of the cement grouting material. Do not use manual mixing with shovels on the ground.
4. Pay attention to temperature changes before construction. Temperature will affect the initial and final setting time and fluidity of cement grouting materials. The recommended suitable construction temperature is 5-35℃. For low-temperature construction below zero, please inform our company in advance, as we have corresponding high-early-strength and freeze-thaw resistant products.
5. Mechanical vibration is strictly prohibited during construction, but channeling is allowed. This prevents stratification and bleeding of the cement grouting material.
6. The dry density of cement grouting material is 2400KG/m³. According to the cubic meter of the project, the required amount should be calculated, and only the amount needed should be mixed! Do not mix a large amount that will not be used to avoid waste. Leftover material is strictly prohibited from being remixed into the grouting material for reuse.
7. It is strictly forbidden to arbitrarily add any chemical substances on site to change the product performance of the cement grouting material.
8. This product should be protected from moisture or rain. It can only be reused after passing the quality inspection after the expiration date.
Factory Strength
Qualification
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