摘要
高层建筑钢结构设计中，为了能有效地抵抗结构的侧向荷载和降低结构在侧向荷载作用下所产生的水平位移，工程师们一般都将节点做成所谓的“刚节点”。这种理想化的假设虽然能大大简化结构的设计分析过程，但却会造成理论与实践的巨大差异、结构的不安全或偏保守、经济的不合理等现象，尤其是在地震荷载作用下，国内外的大量地震震害已经说明了这一点。
为此，本文在参照国内外大量文献资料的基础上，致力于研究一种具有优良抗震性能的新型节点—双腹板、顶底角钢半刚性连接节点。通过进行该种连接在单调荷载和周期荷载作用下的试验，研究了该连接在拟静力荷载作用下的破坏机理、获得了有关该种的性能参数、做出了该连接的滞回曲线，并确定了滞回模型和模型参数。
In order to resist the structure's lateral load and reduce the lateral displacement efficiently in the design of tall building structure , the engineers generally design the joint as so-called "rigid joint". Though this idealistic hypothesis can simplify the design and analysis process largely , it engenders the large difference of theory and practice, the structure's insecurity or conservation and uneconomicalness,specially in the case of earthquake ,a large quantity of earthquake examples have proved it.
Therefore ,the paper is dedicated to study a new type joint-top and seat angle with double web angles semi-rigid connection ,which has good resistance to vibration on the base of large quantity of alien data.lt studies the damage mechanism under the quasi-static load, get this joint's performance parameter obtains the hysteresis curve, defines the hysteresis model and the parameter of the model.
引文
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