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在日常的办公、商业等公共建筑的设计中,往往层数不多,跨度大,层高高,多采用框架结构体系,可是在进行多遇地震作用下的抗震变形验算时,其楼层内最大的弹性层间位移很难满足θe≤1/550的要求,如要满足则梁、柱的截面会很大,很难接受,如改变结构体系做成框架-剪力墙结构形式,布置相当一部分剪力墙,一方面会影响到建筑的使用功能和较大空间的利用,另一方面工程造价也会加大,很不经济。
In the design of daily office buildings, commercial buildings and other public buildings, there are often few floors, large spans, and high-rise floors. Frame-structure systems are often used. However, when performing earthquake-resistant deformation checking under multiple earthquakes, the floor is the largest The displacement between the elastic layers is difficult to meet the requirements of θe ≤ 1/550. If it is to be satisfied, the cross section of the beam and the column will be large and difficult to accept. If the structural system is changed into a frame-shear wall structure, a considerable part is arranged. The shear wall, on the one hand, affects the use of the building and the use of a larger space. On the other hand, the construction cost will increase and it will be uneconomical.