摘要
永新煤矿因产能升级,需查明矿井水文地质条件并预测矿井涌水量。通过对矿井水文地质条件的研究与矿井充水因素的分析,认为A3煤顶底板砂岩裂隙水为主要充水水源,运用地下水动力学承压转无压完整井公式计算出矿井正常涌水量为2 261 m3/d,矿井曾经发生突水时的最大涌水量为453 m3/h,这两个数据可以作为矿井排水设计依据。
Because of capacity upgrade, the Yongxin coalmine needs to identify mine hydrogeological condition and predict mine water inflow. Through hydrogeological condition research and mine water filling factor analysis, have considered that the main water filling source is from coal A3 roof and floor sandstone fissure water. Using groundwater dynamics confined-unconfined fully penetrating well formula estimated normal mine water inflow is 2 261 m^3/d, and mine water bursting inflow 453 m^3/h had been is the maximum water inflow of the coalmine, the two numerals can be design basis for mine drainage.
出处
《中国煤炭地质》
2015年第12期48-52,共5页
Coal Geology of China
关键词
水文地质条件
烧变岩
涌水量预测
永新煤矿
hydrogeological condition
burnt rock
water inflow prediction
Yongxin coalmine
