双层高强箍筋约束高强混凝土不同截面柱的受力  

Mechanical performance analysis of double-layered high-strength stirrup confined concrete columns of different cross-section

作　　者：宋力[1] 杨秀荣[1] 

机构地区：[1]大连大学建筑工程学院,辽宁大连116622

出　　处：《辽宁工程技术大学学报（自然科学版）》2016年第12期1449-1453,共5页Journal of Liaoning Technical University (Natural Science)

摘　　要：为研究不同的配箍特征值、箍筋间距和箍筋强度因素对双层高强箍筋约束高强混凝土圆形柱和方形柱的约束效果的影响,采用有限元软件ABAQUS进行数值模拟和试验对比.研究结果表明:双层高强螺旋箍筋约束高强混凝土圆形柱具有较高的受压承载力和较好的延性.最后通过理论研究和线性回归两种方式对双层高强箍筋约束高强混凝土圆形柱的承载力计算公式进行推导,建立了简洁且与试验数据吻合良好的承载力计算公式.In order to study the mechanical performance of double-layered high-strength stirrup confined concrete columns of different cross-section, the finite element software, ABAQUS, was utilized for numerical simulation and experimentally comparison methods were used to analyze impact by different stirrup characteristic value, strength of stirrup and stirrup spacing factor on confined effectiveness of double-layered high-strength spiral stirrup confined circular and square concrete columns. A higher compression bearing capacity and better ductility of double-layered high-strength spiral stirrup confined circular concrete columns have been validated. Then two methods of theoretical research and linear regression have been utilized to deduced the beating capacity calculation formula, and contrastive analysis the bearing capacity test value, the formula of calculate value and simulation value. Finally, a bearing capacity calculation formula has been developed which is simple and fits well with the test data.

关 键 词：双层箍筋 受力性能 ABAQUS 影响因素 高强混凝土 延性 

分 类 号：TU398[建筑科学—结构工程]