采用拟静力试验方案 ,对 2个狗骨式刚性连接试件和 1个普通栓焊连接试件进行了试验研究。通过对试件施加低周水平反复荷载作用 ,分析了狗骨式刚性连接节点的破坏形式、受力性能等。结果表明 :狗骨式刚性连接具有较大的连接刚度和理想的耗能性能 ;梁翼缘处的焊缝强度是决定狗骨式刚性连接节点性能的主要因素 ,只有具有良好的焊缝质量才能发挥狗骨的作用。

Experimental Research on Working Behavior of Dog-bone Style Rigid Connection Joint DAI Shao-bin,LIU Wen-ji,HUANG Jun(Institute of Design and Research, Wuhan University of Technology, Wuhan 430070, China)Using peseudostatic test method, the experimental research on two dog-bone style rigid connection specimens and one normal bolt-welded joint specimen was carried out. Through imposing low period repeating horizontal load on these specimens, their destroying behavior and working behavior have been analyzed. The conclusion indicated that the dog-bone style rigid connection has bigger connection rigid and better behavior of absorbing earthquake energy. The welding seem stress of beam-flange is the major factor which decides the behavior of dog-bone style rigid joint and only the better welding can exert the function of the dog-bone.dog-bone style rigid connection joint; working behavior; experimental research