(同济大学建筑工程系，上海 200092)
［摘要］对薄柔钢框架中的延伸端板式梁柱节点进行了试验。将节点置于足尺薄柔钢框架中进行加载测试，使节点的边界条件和受力状态符合实际结构状况。从结构刚度和节点区变形两方面对节点抗弯刚度和节点域剪切刚度进行了分析，结果表明薄柔钢框架中的端板式节点在一定条件下可以满足刚性连接的要求。
［关键词］刚性；薄柔钢框架；延伸端板连接；节点域
Testing study on joint stiffness of slender steel frameWu Xiangxiang，Chen Yiyi(Department of Structural Engineering, Tongji University, Shanghai 200092, China)
Abstract:Extended end plate joint for beamcolumn connection in slender steel frame was tested to learn the rigidity of joint, and the tested joint was put into full size frame model to simulate its boundary condition and structural behavior closely to working condition. By the structural stiffness and joint distortion research, the bending and shear stiffness of joints were analyzed. The results show that for slender steel frames, the extended end plate joint can be considered as rigid connection in limited conditions.  
Keywords:stiffness; slender steel frame; extended end plate connection; panel zone
*国家“十五”科技攻关项目 (2002BA806B42)资助。
作者简介：吴香香，博士，工程师，Email:xiangxwu@126.com。
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