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1 工程概况 上海民防大厦工程位于复兴中路、瑞金二路口,地上31层,地下2层,总建筑面积48588m~2,其中地上建筑面积40105m~2,地下8483m~2。由于地处闹市区,工程除基坑东侧有一条6m左右的通道可利用外,无任何施工场地。 该工程基坑为一不规则十三边形,挖深分别为-10.18m、-9.18m,局部落深-13.48m,围护结构由直径分别为φ800mm、φ850mm、φ1000mm,深度分别为18m、19m、21m的钻
1 Project Overview Shanghai civil defense building project is located at Fuxingzhong Road and Ruijin 2nd intersection, with 31 floors above ground and 2 floors underground. The total construction area is 48588m~2, of which the above ground construction area is 40105m~2 and the underground is 8483m~2. Due to its location in the downtown area, the project has no construction site, except that there is a 6-meter-wide passage on the east side of the pit. The foundation pit of the project is an irregular triangle with a dig depth of -10.18m, -9.18m and a local fall depth of -13.48m. The enclosure structure is φ800mm, φ850mm, φ1000mm in diameter and 18m in depth respectively. 19m, 21m drill