Seaport engineering concrete chloride ion penetration resistant reinforcing agent

Abstract

The present invention provides the recipe of chlorine ion penetration resisting reinforcer for concrete in harbor engineering. The chlorine ion penetration resisting reinforcer consists of superfine silica powder 15-20 wt%, washed and calcined kaolin 20-25 wt%, high grade fly ash 20-25 wt%, ground blast furnace slag 20-25 wt%, nanometer fiber 5-10 wt%, superplasticizer 6 wt%, slump keeping agent 0.09 wt%, air entraining agent 0.09 wt%, and organic active excitant 0.12 wt%. The chlorine ion penetration resisting reinforcer has inorganic components as main functional materials dispersed homogeneously in concrete cementing material, and can improve the micro structure and hydration product composition inside concrete, raise compactness, adsorb and fix chlorine ion and lower the penetration of chlorine ion in hardened concrete, so as to improve the chlorine ion penetration resisting capacity of hardened concrete.

Description

technical field [0001] The invention relates to an anti-chloride ion penetration enhancer for harbor engineering concrete. Background technique [0002] With the progress of human civilization and the expansion of living space, and the continuous development of modern building technology, the field of human development and construction has extended from land to the ocean, which accounts for 70% of the earth's area, and the marine environment is very important for the construction of infrastructure and buildings. Concrete material is extremely harsh. With the passage of time, it has recently been found that more and more reinforced concrete structures, especially those in corrosive medium environments, often suffer from cracking, damage, or even collapse of concrete structures due to corrosion of steel bars within their design service life. [0003] At present, the technical measures to improve the corrosion resistance of concrete and prevent corrosion of steel bars at home ...

AI Technical Summary

Problems solved by technology

The effective compounding and superposition of these organic and inorganic components, the complementary and optimized performance, and the research on the difference with high-strength concrete are obviously insufficient, especially for concrete projects that require higher durability and have a service life of hundreds of years. Research in this area and Insufficient related products

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