Modified clay reinforcing paste slurry

Abstract

The invention relates to modified clay reinforcing paste slurry. Existing clay reinforcing paste slurry has no good erosion-wear resistance in flowing water, and since more modifier need to be added in order to reduce to the fluidity of a material, the using cost is relatively high. The modified clay reinforcing paste slurry is characterized by being prepared from the following components in ratio by mass: 20 to 40 of bentonite, 15 to 30 of cement, 10 to 20 of silicate minerals, 3 to 10 of additive, 10 to 15 of calcium oxide and the balance of water, wherein the additive is prepared from a silane coupling anggent, sodium fluosilicate, sodium metaaluminate and calcium chloride. According to the modified clay reinforcing paste slurry disclosed by the invention, not only are controllability and water erosion-wear resistance of paste slurry improved, but also the stone rate and the impervious performance of a stone body are increased, the cost is lower, and the problems of instability in operation of the bentonite and the like of common cement bentonite paste slurry are solved.

Description

technical field [0001] The invention relates to reinforcement materials in the engineering field, in particular to a modified clay reinforcement paste. Background technique [0002] The existing clay-reinforced slurry has poor erosion resistance in moving water. In order to reduce the fluidity of the material, a large amount of modifier is added, resulting in a rather high cost of use. The cost of the modifier exceeds the cost of cement. In the process of application, it is also found that the early strength of clay cement paste with modifiers increases slowly. After the slurry is poured into the formation, it is easy to be washed away by water, and it is difficult to form a complete curtain, so it is not suitable for large-scale It is used in the case of large-scale and large-scale projects. Contents of the invention [0003] The object of the present invention is to solve the above technical problems, and provide a modified clay reinforcement paste, which has good impac...

AI Technical Summary

Problems solved by technology

[0002] The existing clay-reinforced slurry has poor erosion resistance in moving water. In order to reduce the fluidity of the material, a large amount of modifier is added, resulting in a rather high cost of use. The cost of the modifier exceeds the cost of cement. In the process of application, it is also found that the early strength of clay cement paste with modifiers increases slowly. After the slurry is poured into the formation, it is easy to be washed away by water, and it is difficult to form a complete curtain, so it is not suitable for large-scale Use in the case of scope and large amount of engineering