Construction method of concrete rigid and flexible combined type waterproof system

Abstract

The invention discloses a construction method of a concrete rigid and flexible combined type waterproof system. Construction of a top plate and a side wall part comprises the following steps: pretreating a concrete base surface; preparing slurry, preparing capillary crystalline slurry according to the proportion of powder to water being 2.5:1, and preparing pure cement slurry according to the proportion of common 42.5R Portland cement to water being 3:1; fully and uniformly stirring the prepared slurry and using the slurry up within 30 minutes; coating the capillary crystalline slurry on the concrete base surface; coating the pure cement slurry on the bottom surface of a coiled material; paving and pasting the coiled material on the concrete base surface and rolling for air exhaust; and construction of a bottom plate comprises the following steps: pretreating a concrete cushion; paving and pasting the coiled material, removing an isolating film on the bottom surface of the coiled material, and paving and pasting the coiled material on the concrete cushion; paving sand, removing the isolating film on the obverse side of the coiled material, and paving and scattering building sand uniformly; screening and scattering powder, uniformly screening and scattering cement based capillary crystalline waterproof coating powder on the bottom surface; and pouring a concrete base. With adoption of the construction method, the waterproof performance of the waterproof system is improved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a construction method of a concrete rigid-flexible composite waterproof system. Background technique [0002] In my country and many countries in the world, a large number of construction projects and municipal projects at this stage are generally used from design to construction, and traditional waterproof membranes are generally used. Most of these materials are organic materials based on modified asphalt, while the base covering and protecting them is inorganic concrete structure. On the one hand, due to its own characteristics, concrete will have different degrees of pores and capillary pores after hydration; improper construction may even cause cracks of different degrees, which will become channels for water. On the other hand, due to the traditional organic There is a huge difference in material between the membrane and the inorganic concrete base, and the actual con...

AI Technical Summary

Problems solved by technology

[0004] There are problems in the overlapping of the waterproof membranes and the bonding between the membranes and the structural base surface, such as drumming and peeling of the membranes, which will lead to water channeling, and moisture will enter from the weak part of the concrete base. Leakage occurs, making the entire waterproof layer gradually fail

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