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The Deriving and Application of Comprehensive Hydraulic Conductivity of Tunnel Discharge
Pages: 26-28,38
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  隧道 潜水含水层 综合渗透系数 涌水量;
Abstract: 考虑到地下水流经各层的面积、流量和渗透系数的关系,运用地下水动力学理论,推导在隔水底板水平、无限补给和直线补给边界潜水含水层中,非完整型隧道涌水量计算公式的综合渗透系数。用三种隧道涌水量计算方法,分别代入综合和几何平均渗透系数,计算雪峰山隧道两区段涌水量,与实测涌水量进行对比,结果表明:新的综合渗透系数的算法预测隧道涌水量具有一定的实用价值。
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