Experimental Study on Compressive Strength and temperature Evolution of High Performance Fiber Reinforced Concrete
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Li Xia, Shen Xinggang
Fire is one of the most frequent disasters in daily life. High temperature will cause many adverse effects on concrete, such as mechanical properties reduction, microstructure damage and so on. Re alkalization technology is one of the effective ways to repair the damaged concrete after high temperature. In this paper, the mechanical properties, size effect and constitutive relationship of typical high-performance concrete after re alkalization repair are studied through a large number of experiments.
Realkalization Repair; Polypropylene Fiber; High Performance Concrete; Microstructure