| 盾构法隧道开挖卸荷回弹试验研究 |
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| 作者姓名： | 熊卫兵 石长礼 杨子良 |
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| 作者单位： | 上海市隧道工程轨道交通设计研究院,上海,200070 |
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| 摘 要： | 本文以上海某盾构法隧道开挖为例,根据原状土卸载应力路径下的回弹试验结果,探讨了土体在卸荷状态下的变形特性,并对盾构法隧道开挖卸荷影响深度进行了初步分析探讨。
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| 关 键 词： | 盾构 隧道 卸荷 回弹试验 影响深度 |
Experimental Study on the Rebound of Unloading During Shield Tunnel Excavation |
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| Authors: | XIONG Wei-Bing SHI Chang-Li YANG Zi-Liang |
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| Institution: | XIONG Wei-Bing,SHI Chang-Li,YANG Zi-Liang(Shanghai Tunnel Engineer & Rail Transit Design and Research Institute,Shanghai 200070,China) |
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| Abstract: | Taking the excavation of a shield tunnel in Shanghai as a example,based on the rebound test results of undisturbed soil in the unloading stress path,this paper discussed the deformation of soil under unloading,and analyzed the influence depth of unloading during shield tunnel excavation. |
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| Keywords: | shield tunnel unloading rebound test influence depth |
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