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冰川冻土  2012 

线性工程建设对地下水流场的影响分析

, PP. 1200-1205

Keywords: 地下水流场,含水层结构,地下水水位下降,高速公路

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Abstract:

出于降低高速公路坡度的目的,团结桥连接线高速公路路基开挖在Ⅱ级阶地前缘处排水盲沟最大开挖段基本将原来连续的天然含水层切穿,导致地下水排泄基准面下降,使得地下水流场发生改变,部分民井出现水位下降或干涸现象.得出路基开挖排水是导致工程区附近地下水含水层结构及流场改变、水位下降或局部疏干的主要原因.

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