题目：SFRC Subjected to Domestic Sewage and Sustained Load

作者：FAN Xiangqian, HU Shaowei, ZHU Haitang

Abstract: The article aimed to study the durability of steel fi ber reinforced concrete under the coupled sewage-loading according to compressive strength, flexural strength, compressive strength corrosion coefficient, flexural strength corrosion coefficient, compressive strength balance coefficient, flexural strength balance coefficient. Through the homemade load frame applied to design specimens, the pre-loading level are equivalent the damage intensity of 0%,10%,30% and 50% four different ways. The experimental results show that the performance of concrete down gradually and sustaining load aggravated the degree of domestic sewage attacking concrete after six month; under different stress states, the more loading levels, the more serious domestic sewage attacked the steel fiber reinforced concrete. It is proved that the concrete damage can be inhibited by adding the steel fiber, when steel fiber volume fraction is 1.0%, the corrosion resistance of concrete is best.

Key words : sustaining load; steel fiber reinforced concrete; domestic sewage; corrosion; experimental research

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