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Ground settlement monitoring above Xi\'an Metro tunnel through the saturated soft loess
Author(s): 
Pages: 96-103
Year: Issue:  1
Journal: Journal of Earch Sciences and Environment

Abstract: 以西安地铁一号线朝阳门站—康复路站区段饱和软黄土地铁隧道为研究对象,通过施工期现场地表沉降变形监测,分析了在饱和软黄土特殊地层条件下隧道浅埋暗挖法施工引起的该区段地表沉降变形规律以及地表沉降槽分布特征.结果表明:在饱和软黄土隧道开挖时,随着掌子面的推进,隧道顶地表沉降可分为沉降微小阶段、沉降显著发展阶段、沉降缓慢阶段和沉降稳定阶段;单线隧道开挖后的最大地表沉降量为18.89 mm,双线隧道开挖后的...
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