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某工程为框架剪力墙结构,地下2层,地上26层。工程建筑面积65436m2,建筑物檐高104.0 m。工程主体结构施工完3层,建设单位变更房屋使用功能,对已施工部分,进行结构改造,对部分楼层新开洞口,部分梁柱截面有变化,还有部分梁板在不改变原有截面的情况下增大其承载力。根据房屋功能变更结合结构整体抗震要求,对增大承载
A project for the framework of shear wall structure, 2 underground floors, 26 floors above ground. Engineering construction area of 65436m2, building eaves 104.0 m high. Construction of the main structure of the project completed three layers, the construction unit to change the function of housing use, the construction of the part, the structural transformation of some of the new openings on the floor, some beam column section changes, there are some beams in the original section does not change Case to increase its carrying capacity. According to the change of housing function combined with the overall structural requirements of the earthquake, to increase the load