盾构隧道开挖面稳定研究进展

重庆交通大学学报（自然科学版） ›› 2007, Vol. 26 ›› Issue (6): 67-72.

盾构隧道开挖面稳定研究进展

韦良文^1,2，张庆贺^1,2，孙统立^1,2，吴敏慧^1,2

1.同济大学地下建筑与工程系，上海 200092；2.同济大学岩土工程重点实验室，上海 200092

收稿日期:2006-09-15 修回日期:2006-10-25 出版日期:2007-12-15 发布日期:2015-01-22
作者简介:韦良文(1978—)，男，山东曲阜人，博士生，主要从事泥水盾构隧道及地下工程施工及数值模拟的研究.E-mail: weiliangwen@163.com.

Current Research State of Face Stability in Shield Tunnelling and Future Development

WEI Liang-wen^1,2,ZHANG Qing-he^1,2,SUN Tong-1i^1,2,WU Min-hui^1,2

1.Department of Geotechnical Engineering，Tongji University，Shanghai 200092，China； 2.Geotechnical Engineering Key Laboratory，Tongji University，Shanghai 200092，China

Received:2006-09-15 Revised:2006-10-25 Online:2007-12-15 Published:2015-01-22

摘要/Abstract

摘要： 在复杂地质条件下，盾构隧道开挖面失稳可导致地表沉降过大，从而破坏地表建(构)筑物及地下管线．通过微观破坏分析模型、塑性极限分析模型及楔形体极限平衡模型对盾构隧道开挖面稳定的理论研究现状进行了详述，并指出了今后应深入研究的几个重点：应考虑水土耦合作用；应考虑开挖面地层的变异性；应考虑掘进参数对开挖面稳定性的影响；应加强研究进出洞的切口压力控制．分析结果为完善盾构隧道开挖面稳定理论及指导现场实践提供了有益的方向．

关键词: 盾构隧道, 开挖面稳定, 楔形体模型, 支护压力

Abstract: The face instability of the shield tunnels call cause excessive surface settlement under complicated geological conditions，which may destroy the surface building and various underground pipes.The theoretical current research state of the face stability of shield tunnel is discussed with microcosmic instability mechanics model，plastic limit mechanics model and wedge and silo mode1.The emphases of future research in this field ale particularized，which include coupling of soil and underground water，variation of the face stratum，effect of construction parameters on face stability and slurry pressure controlling when leaving and arriving shaft.The available research directions are put forward for the future research on face stability of shield tunnel and guiding the field practice.

Key words: shield tunnel, face stability, wedge and silo model, support pressure

中图分类号:

TU443

韦良文，张庆贺，孙统立，吴敏慧. 盾构隧道开挖面稳定研究进展[J]. 重庆交通大学学报（自然科学版）, 2007, 26(6): 67-72.

WEI Liang-wen,ZHANG Qing-he,SUN Tong-1i,WU Min-hui. Current Research State of Face Stability in Shield Tunnelling and Future Development[J]. Journal of Chongqing Jiaotong University(Natural Science), 2007, 26(6): 67-72.

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