Study on the Long-term Settlement of Subway Tunnel in Soft Soil Area

Study on the Long-term Settlement of Subway Tunnel in Soft Soil Area
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软土地区地铁隧道长期沉降研究

DOI:
10.1080/1064119x.2015.1030806
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发表时间:
2016-07
期刊:
Marine Georesources & Geotechnology
影响因子:
--
通讯作者:
Yuan, Li
Yuan, Li
中科院分区:
其他
文献类型:
--
作者:
Tan, Jun;Cui, Zhen-Dong;Yuan, Li

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地铁隧道的长期沉降,尤其是差异沉降影响地铁的安全运营。本文以某地铁隧道沉降监测数据为基础,从理论和数值分析两方面对隧道沉降进行了研究。根据监测数据,不同位置的管片变形不同,渠道周围的变形比其他地方大。两种理论方法计算的隧道沉降与离心模型试验结果基本一致。数值模拟结果表明,竖向位移远大于水平位移。
The long-term settlement of a subway tunnel, especially the differential settlement affects the safe operation of the subway. In this article, the settlement of a subway tunnel was studied from the theoretical and numerical analyses based on the monitoring data. According to the monitoring data, the deformation of segments at different locations is different, and the deformation around a channel is larger than other places. The settlements of tunnel calculated by two theoretical methods are consistent with that obtained in the centrifuge model test. The numerical simulation indicates that the vertical displacement is much bigger than the horizontal displacement.
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