方形CFRP钢管约束再生混凝土轴压长柱试验研究  

Experimental research on behavior of axially square CFRP steel tubular confined recycled aggregate concrete long columns

作　　者：梁炯丰[1] 郭立湘 易萍华[1] 江涛 

机构地区：[1]东华理工大学建筑工程学院,江西南昌330013 [2]江西杭萧钢构股份有限公司,江西南昌330013

出　　处：《混凝土》2016年第7期34-36,共3页Concrete

基　　金：国家自然科学基金(51368001);江西省青年科学基金(20142BAB216002);中国博士后基金资助项目(2014M562132);江西省新能源工艺与装备工程技术研究中心开放基金项目(JXNE-2014-08);广西防灾减灾与结构安全重点实验室开放课题(2013ZDK01);中南大学博士后基金资助项目;江西省教育厅科技项目(GJJ150586)

摘　　要：进行了7个方形CFRP钢管约束再生混凝土轴压长柱的静力试验,分析了长细比、再生粗骨料取代率、包裹CFRP布的层数对轴压性能的影响。试验结果表明,再生粗骨料取代率越高和试件长细比越大,试件极限承载力越小;包裹CFRP布的层数越多,试件极限承载力越大。Seven axially square CFRP steel tubular confined recycled aggregate concrete long columns were experimentally investigated to study their static behavior.The influence of the slenderness ratio,recycled coarse aggregate replacement ratio,layers of CFRP jackets ef-fect on the performance of axial compression.The test results show that the higher the recycled coarse aggregate content and the slenderness ratio,the greater the specimen ultimate bearing capacity is smaller,and the more the layers of CFRP jackets,the greater the specimen ulti-mate bearing capacity.

关 键 词：CFRP 再生混凝土 轴压 

分 类 号：TU528.01[建筑科学—建筑技术科学]