JH-VⅡ type cast-in-place pile fluidization enhancer is a multi-functional enhancer specially used in pile foundation engineering. The product not only has the characteristics of water reduction enhancement, moderate setting time, good plasticity retention and good construction workability, but also It greatly improves the performance of concrete such as freeze-thaw resistance, corrosion resistance and prevention of alkali-aggregate reaction. The product has a large expansion efficiency, which can cause the concrete to expand greatly, causing the pile soil to be squeezed in the axial and radial directions, increasing the friction resistance around the pile and the bearing capacity of the pile tip, thereby effectively increasing the bearing capacity of a single pile and reducing the single pile load. Pile settlement. Mixed with about 10% JH-Ⅶ type cast-in-place pile fluidizing agent, the bearing capacity of a single pile can be increased by more than 15%, and the settlement of a single pile can be reduced by about 20%; mixed with 15% JH-Ⅶ type fluidizing agent, the single pile bearing capacity The maximum strength can be increased by more than 80%, and the settlement can be reduced by about 80%. The product also has good water reduction and enhancement effects, obvious retarding effects and good slump-preserving effects, and can improve the workability, pumpability and durability of concrete. Pouring performance, reducing bleeding and stratification, improving pile quality.
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