软土地区无工作井盾构法施工引起的土体垂直变形分析
Analysis on Vertical Displacement Due to GPST Tunneling in Soft Area
DOI: 10.12677/HJCE.2021.109096, PDF,    科研立项经费支持
作者: 刘喜东:上海隧道工程有限公司,上海;饶 倩, 陈 方:上海黄浦江越江设施投资建设发展有限公司,上海;袁一川:同济大学土木工程学院地下建筑与工程系,上海
关键词: 软土地区GPST盾构法垂直变形解析解Soft Area GPST Tunneling Method Vertical Displacement Analytical Solution
摘要: 本文针对软土地区地面出入式盾构法(Ground Penetrating Shield Technology,简称GPST),在对国内外超浅覆土盾构相关文献资料进行综合分析基础上,指出了已有GPST盾构法理论研究成果的适应性和优缺点,并针对上海软粘土地区GPST工法掘进特点,利用基于Mindlin解的土体竖向位移计算方法与数值模拟进行对比分析,推导了GPST盾构新工法竖向位移的合理预测方式,进行了实例验证。
Abstract: This paper aimed at GPST tunneling method and based on the comprehensive analysis of domestic and foreign super-shallow shield tunneling related literatures. The advantages and disadvantages of the existing research theories on GPST were summarized. Furthermore, taking GPST characteristic of soft ground in Shanghai into account, the calculation method of vertical displacement of soil mass based on Mindlin solution is deduced. The calculation results are compared with numerical simulation results and demonstrated to verify the suggested prediction method of vertical displacement.
文章引用:刘喜东, 饶倩, 陈方, 袁一川. 软土地区无工作井盾构法施工引起的土体垂直变形分析[J]. 土木工程, 2021, 10(9): 847-856. https://doi.org/10.12677/HJCE.2021.109096

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