H型钢梁-H型钢柱偏心节点的节点域力学性能研究  

Mechanical property research on panel zone of H-beam to H-column joints with eccentricity

作　　者：高金贺[1] 杜柳钢 张守龙[1] 黄艳斌[1] 黄伟玲[1] 田川浩 

机构地区：[1]东华理工大学建筑工程学院,南昌330013 [2]日本广岛大学,广岛739-8527

出　　处：《建筑结构》2015年第24期92-100,共9页Building Structure

基　　金：江西省自然科学基金项目(20132BAB216007);教育厅科技计划项目(GJJ13440)

摘　　要：提出利用槽形钢折板补强H型钢梁-H型钢柱的偏心节点,并研究了该偏心节点的力学性能。提出偏心节点的节点域承载力计算方法,分析中考虑了由于梁偏心引起的附加扭矩的影响。同时进行了T字形梁柱构件的循环荷载试验,验证偏心节点的滞回性能。试验结果表明,节点具有良好的延性和耗能性能,节点域承载力计算公式具有良好的精度。以十字形梁柱构件为模型,进行非线性有限元数值分析,考察槽形钢折板的厚度对偏心节点域变形和承载力的影响。C-shaped steel plates were proposed to strengthen H-beam to H-column joints with eccentricity. Bearing capacity calculation method of joint panel zones in the eccentric H-beam to H-column joints was presented,considering the influence of additional torsion moments induced by eccentric H-beams. Cyclic loading tests of T-shaped beam-column member were conducted to examine the hysteretic behaviors of eccentric joint. The test results show that the joint has adequate ductility and hysteretic energy dissipation capacity. The bearing capacity calculation formula of the joint panel zones has a reasonable accuracy. Nonlinear finite element numerical analyses were performed for the cruciform beam-column member model to investigate the influence of the C-shaped steel plate thickness on the deformation and strength of eccentric joint panel zone.

关 键 词：梁柱偏心节点 槽形钢折板 节点域 力学性能 

分 类 号：TU391[建筑科学—结构工程]