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本文结合作者近几年来在上海地区软土盾构隧道施工的实践及经验,提出了一套盾构法隧道施工的理论,包括;理想的盾构推进方法、推进中对周围土层的影响、地层移动理论及周围环境保护方法(地下管线、地面建筑等),并对各阶段地层变形的行为作出了机理上的解释。研究成果与结论能够为正在大规模建设的上海地铁区间隧道施工提供参考。
In this paper, combined with the practice and experience of the authors in the construction of soft soil shield tunnels in Shanghai in recent years, a set of shield tunneling theory is proposed, including the ideal shield advancement method, the impact on the surrounding soil during propulsion, Stratum movement theory and the surrounding environmental protection methods (underground pipeline, ground construction, etc.), and make a mechanistic explanation of the formation deformation behavior at all stages. The research results and conclusions can provide a reference for the construction of Shanghai Metro tunnel undergoing large-scale construction.