Preparation process and construction method for high-durability polymer concrete with self-vacuumization interior and self-impregnation surface

Abstract

The invention discloses a preparation process and construction method for high-durability polymer concrete with a self-vacuumization interior and a self-impregnation surface. The preparation process comprises the following steps: spraying an aqueous solution of a polymer monomer onto geosynthetic cloth arranged on the inner surface of a template, or inlaying solid polymer monomer powder into a geosynthetic material during weaving of the geosynthetic material and then arranging the obtained geosynthetic geosynthetic cloth on the inner surface of the template; and pouring concrete. The invention also discloses the construction method for the high-durability polymer concrete with the self-vacuumization interior and the self-impregnation surface. The construction method is simple, needs no special equipment and has no substantial difference from traditional construction methods for concrete; the composition and sources of raw materials are rich; and the prepared concrete has substantially improved surface compaction degree, impervious performance and durability, and can prolong the service life of a project, reduce investment and improve project benefits.

Description

technical field [0001] The invention relates to a preparation process and construction method of high-durability polymer concrete with internal self-vacuum surface self-impregnation. Background technique [0002] During the construction of concrete, the internal air bubbles are discharged by vibration to make the concrete dense. Due to the constraints of steel bars and formwork on the side and bottom of the concrete, the vibration energy is low, the aggregate is less, the mortar is more, and the degree of compaction is low. , The quality of the external concrete is poorer than that of the internal, forming a "gold-in-silver" structure. The concrete surface is in direct contact with the outside world and is easily corroded by aggressive media in the environment. In order to make the concrete have good durability, the surface layer of the concrete is required to have better performance, especially the degree of compactness and impermeability. The quality of the concrete surfa...

AI Technical Summary

Problems solved by technology

However, impregnated concrete requires special equipment and is not suitable for on-site implementation. The applicable concrete structure forms and sizes are limited, and the investment and cost are high, so it cannot be used on a large scale.