Experimental Study on Carbonation Resistance of Epoxy Resin Concrete in Damp Heat Carbonation Environment
In order to prepare high-performance and durable concrete,the influence of epoxy resin content on the carbonation resistance of concrete,the influence of wet heat cycle number on the carbonation resistance of epoxy resin concrete,the influence of carbonation cycle number on the carbonation resistance of epoxy resin concrete,and the influence of wet heat carbonation cycle number on the carbonation resistance of epoxy resin concrete were analyzed through indoor experiments.The results showed that:the addition of epoxy resin can improve the carbonation resistance of concrete.However,excessive epoxy resin content cannot significantly improve the carbonation resistance of concrete.The optimal dosage of epoxy resin for this type of concrete specimen is 1.5% ;As the number of wet heat cycles,carbonation cycles,and wet heat carbonation cycles increases,the carbonation depth of concrete gradually increases,that is,the carbonation resistance decreases;In the three tests,the order of influence on the carbonation resistance of concrete is:humid heat carbonation＞carbonation＞humid heat.The research conclusion can provide data support for the preparation of high-performance concrete in the future.
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