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《Sichuan Building Science》 2013-04
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Research on influence of reinforcement corrosion on the mechanical properties of concrete

LIANG Yan,LUO Xiaoyong(College of Civil Engineering,Central South University,Changsha 410075,China)  
Based on existing test data,the influence of reinforcement corrosion on geometrical damage of concrete cross-section,mechanical properties degradation and ductility degradation of concrete are studied,then,representation of concrete cross-section geometrical damage and calculating formulas for the damaged concrete deterioration factor of mechanical properties,reduction factor of ductility,bond-slip deterioration factor of corroded reinforced concrete are proposed.Based on the fact that plane cross-section assumption of strain coordination relation of corroded steel bar and concrete doesn't exist,the geometric relationship of strain between corroded steel bar and concrete in the relevant position is derived.
【Fund】: 国家自然科学基金项目(51178470)
【CateGory Index】: TU375
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