地铁盾构施工时的管片上浮问题非常棘手,难以处理.本文依托长沙地铁盾构区间管片上浮的问题,从水文地质情况、盾构作业影响、管片后压浆等方面进行原因分析及研究,并针对性地提出了控制管片上浮的处理措施及施工对策.%The problem of the pipe float-up during subway shield construction is very tricky and difficult to handle. Based on this problem of Changsha Metro, the reasons are analyzed and studied from the aspects of hydrogeology, the influence of shield operation and grouting after the segment of the shield, and some treatment and construction measures are put forward.
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