| 隧道涌水量综合渗透系数的推导及应用 |
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| 引用本文： | 刘文剑,吴湘滨,王东. 隧道涌水量综合渗透系数的推导及应用[J]. 工程勘察, 2008, 0(2): 26-28,38 |
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| 作者姓名： | 刘文剑 吴湘滨 王东 |
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| 作者单位： | 中南大学地学与环境工程学院,长沙,410083;中南大学地学与环境工程学院,长沙,410083;中南大学地学与环境工程学院,长沙,410083 |
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| 基金项目： | 交通部西部交通建设科技项目(2003 318 798 02) |
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| 摘 要： | 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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| 关 键 词： | 隧道 潜水含水层 综合渗透系数 涌水量 |
The Deriving and Application of Comprehensive Hydraulic Conductivity of Tunnel Discharge |
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| Liu Wenjian et al.. The Deriving and Application of Comprehensive Hydraulic Conductivity of Tunnel Discharge[J]. Geotechnical Investigation & Surveying, 2008, 0(2): 26-28,38 |
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| Authors: | Liu Wenjian et al. |
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| Abstract: | Considering the connection among the each layer area of groundwater,discharge and hydraulic conductivity,in phreatic aquifer with level impervious base,unconfined and beeline recharge boundary,the comprehensive hydraulic conductivity of water inflow expressions on nonholonomic tunnel is derived with groundwater hydrodynamic theory.Two sections of water inflow in Xuefeng Mountain tunnel are calculated with three kinds of water inflow expressions used comprehensive and geometry average hydraulic conductivity,... |
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| Keywords: | tunnel phreatic aquifer comprehensive hydraulic conductivity water inflow. |
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