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张荣辉
Urban and Rural Studies 2022 No.12
广州地铁设计研究院股份有限公司
以邻近广州地铁6号线某区间隧道的基坑开挖为例,采用有限元数值分析方法,研究岩溶发育区深基坑施工过程中开挖卸载与基坑降水对盾构隧道结构的变形和受力影响。结果表明,拟建基坑施工期间,盾构隧道结构水平位移极值为2.5mm,竖向位移极值为-0.44mm,弯矩增量为4.2kN•m,增幅为3.81%;当降水至坑底以下0.5m时,盾构隧道最大竖向位移为-4.5mm。
岩溶区;基坑开挖;盾构隧道;水位分析
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Language: 中文
CN:10-1589/TU
ISSN:2096-6539
Publication Frequency: 半月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.