摘要
煤炭资源勘探阶段用"大井法"预算涌水量与煤矿开采阶段的实际涌水量相比,误差普遍偏大。通过对潞安矿区煤矿井涌水量探采资料的对比研究,分析影响"大井法"预测精度的因素,介绍"大井法"公式修正的方法,求取"大井法"修正公式,并用该公式计算的涌水量与实测涌水量、比拟法预算涌水量对比。结果表明:基于涌水量探采对比的"大井法"公式修正,方法简单,较为准确,预测精度得到明显提高。
The water inflow estimated results through the ＂virtual large diameter well method＂ during the coal resource exploration stage compared with information from coal mining stage generally has larger errors. Through comparative study of Lu＇ an mining area coalmine water inflow information from exploration and mining, has analyzed ＂virtual large diameter well method＂ prediction accuracy impacting factors, introduced its formula revision method to get revised formula. Compared the revised formula estimated water inflow with measured water inflow, as well as analogue method estimated water inflow have shown that the results from revised formula method have advantages of simple, rather accurate and prediction accuracy obviously improved.
作者
牟兆刚
唐朝苗
梁叶萍
杜金龙
Mu Zhaogang;Tang Zhaomiao;Liang Yeping;Du Jinlong(Exploration and Research Institute,CNACG,Beijing 100039)
出处
《中国煤炭地质》
2018年第10期61-63,共3页
Coal Geology of China
关键词
涌水量预测
影响因素
方法对比
潞安矿区
water inflow prediction
impacting factor
methods comparison
Lu ＇an mining area
