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我公司承建的某商厦工程为框架结构,混凝土屋盖井字梁,5层,6个开间,长47.48m,宽32.7m,高23.6m,结构平面见图1。建设单位为了不影响商场正常营业,执意要求将原设计整体框架分两期施工。(13)～⑨轴3个开间首期施工,竣工营业后再建⑨～⑥轴3个开间。而原设计⑨～⑧轴未设沉降缝,分段分期施工留置施工缝给设计
The construction of a commercial building contracted by our company is a frame structure. The concrete roof beam is a five-storey building with 6 openings, 47.48m long, 32.7m wide and 23.6m high. The structural plane is shown in Figure 1. In order not to affect the normal business operations of the mall, the construction unit insisted that the entire design of the original design be divided into two phases. (13) ~ 9-axis three-phase first-phase construction, completion of business and then built 9 to 6-axis three bays. The original design of the 9th to 8th shafts did not have settling joints, and the construction of the construction joints in phases was given to the design.