A Theoretical Calculation Method of Ground Settlement Based on a Groundwater Seepage and Drainage Model in Tunnel Engineering
作者： Yanpeng Zhu , Zhengde Wei
DOI: 10.3390/SU13052733
关键词:
摘要: Seepage is ubiquitous during tunneling in areas with high groundwater tables. The ground settlement trough on a single tunnel well described by Peck’s formula, but it cannot reflect the caused seepage. In this paper, assuming that inside and outside one-dimensional steady-state seepage condition, drainage model of was established. Based principle dynamics, flow calculation formula derived, dewatering funnel curve equation level surface aquifer obtained. A case study project Gansu Province carried out, influence effective stress stratum around were analyzed. results show makes upper soil layer increase, which leads to an increase deformation; when greatly lowered, has significant vertical deformation stratum.
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