摘要
综合水文地质和工程地质调查结果、室内岩石力学实验、地下水动力学理论改进传统的"大井法",针对石嘴山矿区西翼采区特殊的地质背景,建立三维数值模型,对工作面涌水量进行预测,并结合传统涌水量预测方法和现场抽水试验结果与改进大井法所得结果进行对比,证明改进大井法对预测特殊边界条件下矿井涌水量更为精确;以及丰富采动过程中矿井涌水量的预测方法,减少水害对煤矿安全生产的威胁。
In the comprehensive combiunation with the investigation results of the hydrogeology and engineering geology, the indoor rock mechanics experiment and the underground water dynamic theory, the conventional ＂ large water well method＂ was improved. According to the special geological background of the west mining district in Shizuishan Mining Area, a 3D numerical model was established to predicte the water inrush quantity of the coal mining face. In combined with the conventional water inrush predicted method and in comparison with the site water pumping test results and the large water well method results, the improved large water well method was confirmed to be more accurate to prediete the mine water inrush quantity under the special boundary conditions. The prediction method of the mine water inrush quantity applied during the mining period could reduce the danger to the mine safety production.
出处
《煤炭工程》
北大核心
2009年第11期78-81,共4页
Coal Engineering
关键词
条带边界
地下水动力学
涌水量预测
改进大井法
boundary of mining strip
underground water dynamics
prediction of water inrush quantity
improved large water well method
