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上海宝山钢铁总厂的热轧钢带厂,其铁皮坑是一深入地下的圆筒形结构,内经为24.9m、深29.4m。采用地下墙作为深基坑开挖的围护结构,在用逆作法加筑钢筋混凝土内衬后,墙体又是主体结构的组成部分。地下墙采用BW施工方法建造。深达50.7m,基坑开挖深度为32.18m,是目前国内同类工程中最深的地下墙围护结构。施工期间实施了预警监控和多课
The hot-rolled steel strip plant of Shanghai Baoshan Iron and Steel Works has a cylindrical pit structure with an inner depth of 24.9m and a depth of 29.4m. The underground wall is used as the enclosing structure of the deep foundation pit excavation. After the reinforced concrete lining is added by the reverse method, the wall is an integral part of the main structure. Underground walls are built using BW construction methods. With a depth of 50.7m and a pit excavation depth of 32.18m, it is currently the deepest underground wall envelope structure of similar projects in China. Implementation of early warning monitoring and multiple classes during construction