地铁盾构施工技术具备了智能、快捷、安全与地层适用性较广等诸多特征。在我国城市地铁工程项目的建设过程中，地铁盾构施工法得到了较为广泛的应用。然而这种施工方法会受到项目工程的地质条件的影响，在掘井的过程中，也会受到人为控制的影响，可能会造成地表的沉降。笔者从分析隧道施工地表沉降的具体发展情况入手，提出了控制施工地表沉降的科学措施，最后以某工程为例进行分析研究。%Subway shield construction technology has characteristics of intelligent,quick, safe, and has stratigraphic wide applicability etc. In the construction of city subway project in China, the subway shield construction method has been widely used. However, this construction method will be influenced by geological conditions of project, and may also be affected by the artificial control in the sinking process, thus cause the surface subsidence. The author firstly analyzes the development situation of surface settlement of tunnel construction, then proposes scientific measures to control the surface subsidence, and conducts the analysis research with an example of a project.
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