剪力墙连梁在高烈度区抗震设计中若干问题的讨论

Discussion on the seismic design of shear wall coupling beams in the high seismic fortification intensity zones

基于不同类型的工程实例和模型,讨论连梁设计中的一些问题。分析连梁对结构整体性能的影响和作用,随着结构形式的不同,连梁的数量和位置不同,其影响也不同,一般来说,连梁所在的联肢墙对结构抗侧刚度贡献较大时,连梁的内力也较大,对结构刚度的影响也较大,因而此时对连梁的作用应充分重视。同时,对高烈度区连梁容易出现的超筋超限问题讨论一些实际工程中的处理方案,并对其适用性进行分析,以供类似工程参考。

Based on the engineering projects and models, several problems on the design of coupling beams in shear walls are discussed. The influence of coupling beam on the building structure is different with the difference of structural system, quantity and location of the coupling beam. The influence of coupling beams to structural stiffness is much more when the shear wall offers more stiffness. Some methods are suggested to solve the design problems of the coupling beams which are over-reinforced and overlimition. And the applicability of the methods is also discussed.