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盾构在城市地铁施工中因穿越城市中心区及重要建(构)筑物,使得地层变形控制成为盾构施工过程中的一个关键问题。从盾构施工过程中地层变形的特点着手,通过地层变形原因分析,并结合北京地铁5号线的工程实践,提出了盾构施工过程中地层变形的控制措施。希望能为盾构施工的同行提供参考。
Shield in the city subway construction through the city center and the important building (structure), making formation deformation control has become a key issue in the process of shield construction. Based on the characteristics of formation deformation in the process of shield construction, through the analysis of formation deformation and the engineering practice of Beijing Subway Line 5, the control measures of formation deformation during shield construction are put forward. Hope to provide a reference for the construction of the shield counterparts.