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Discussion on calculating method for anti-buoyancy groundwater level of the closed type U-shape through cutting
Author(s): 
Pages: 36-40
Year: Issue:  8
Journal: Geotechnical Investigation & Surveying

Keyword:  U型槽 设防水位 数值模拟 FEFLOW;
Abstract: 封闭式路堑U型槽结构作为纯地下建筑,抗浮问题非常突出。本文以北京某封闭式路堑U型槽结构工程为例,在对场区进行水文地质条件分析及远期最高水位预测的基础上,建立适用的水文地质概念模型及地下水流定解数学模型,使用FEFLOW软件建立了场区三维数值模拟模型,利用该模型进行抗浮设计水位预测。模型建立过程中考虑了场区各含水层的非均质性及场区潜水最高水位接近自然地面的工程特点。
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