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作 者:李瑞伟[1] 刘继良[1] 初明进[1] 徐汇宾 邱臻[1] LI Rui-wei LIU Ji-liang CHU Ming-jin XU Hui-bin QIU Zhen(School of Civil Engineering,Yantai University,Yantai 264005, Chin)
出 处:《烟台大学学报(自然科学与工程版)》2017年第2期160-166,共7页Journal of Yantai University(Natural Science and Engineering Edition)
基 金:国家自然科学基金资助项目(51378450);烟台大学研究生科技创新基金项目(YDYB1618)
摘 要:通过对3个配置不同尺寸隔板的钢筋混凝土分体柱试件进行拟静力试验,研究了柱体的破坏过程和破坏形态;分析了隔板尺寸变化对柱体滞回性能、承载力和延性的影响.结果表明:隔板尺寸变化对柱体的破坏模式影响较小,各试件最终表现为单元柱的压弯破坏;减小隔板尺寸可提高柱体的承载力,但同时减小了柱体的延性;各柱体的延性系数均大于10,具有良好的变形能力.Three reinforced concrete split columns with different sizes of clapboard are tested under quasi-statically loads,is to acquire their failure process and failure mode,analyze the effect of split columns clapboard size change on the hysteretic behavior,bearing capacity and ductility. It is shown that the size of clapboard change has little effect on the failure mode of the split column,and the final performance of the specimen is the bending failure of the column. Reducing the size of the clapboard can improve the bearing capacity of the split column,but at the same time,the ductility of the split column is reduced. The ductility coefficient of the split columns is more than10,which shows good deformation capacity.
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