钢筋混凝土梁柱节点抗剪强度分析  

Analysis of shear strength for reinforced concrete beam-column joints

作　　者：朱宏平[1,2] 代筠杰[1,2] 高飞[1,2] 

机构地区：[1]华中科技大学土木工程与力学学院,湖北武汉430074 [2]华中科技大学控制结构湖北省重点实验室,湖北武汉430074

出　　处：《华中科技大学学报（自然科学版）》2013年第7期1-4,共4页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：国家杰出青年科学基金资助项目(50925828)

摘　　要：基于扰动应力场模型(DSFM),首先采用自编程序对钢筋混凝土剪切板进行受剪分析,得到抗剪强度计算值与试验值之平均比值为1.16,方差为0.11,符合良好,从而验证了自编程序的实用性与可靠性.在此基础上对钢筋混凝土梁柱节点进行受剪分析,得到其抗剪强度,并与试验结果进行对比,结果表明:梁柱节点抗剪强度计算值与试验值之平均比值为0.87,方差为0.23,验证了用DSFM模型对梁柱节点进行受剪分析的合理性与准确性.The shear behavior of reinforced concrete shear panels was analyzed by self programming based on disturbed stress field model（DSFM）.The shear strength of the shear panels was attained.Good agreement between the prediction results and the test ones was achieved with an average ratio of the prediction results to the test results of 1.16 and a variance of 0.11.Thus,the applicability and reliability of the self programming were validated.Then the shear behavior of reinforced concrete beam-column joints was analyzed.The shear strength of the beam-column joints was attained.Compared with the experiment resuts,it shows that good agreement between the prediction results and the test results was achieved with an average ratio of the prediction results to the test results of 0.87 and a variance of 0.23.The rationality and accuracy of shear analysis of reinforced concrete beam-column joints by using DSFM were validated.

关 键 词：钢筋混凝土 梁柱节点 扰动应力场模型 抗剪强度 开裂滑移 

分 类 号：TU375.4[建筑科学—结构工程]