煤矿安全2024，Vol.55Issue(1)：200-207,8.DOI:10.13347/j.cnki.mkaq.20230029
巴拉素井田煤层富水性分区及水量预测
Water-rich zoning and water quantity prediction of coal seam in Balasu Mine Field
摘要
Abstract
According to the special form of water occurrence and migration in No.2 coal seam of Balasu Coal Mine in northern Yuheng Mining Area of Jurassic Coal Field in northern Shaanxi province,through theoretical analysis,calculation and prediction,simulation experiment and other methods,the water resources volume,water-rich zoning and mine water inflow are studied,and the water characteristics of No.2 coal seam water in the study area are preliminarily explored.According to the five main control in-dexes of coal seam thickness,coal core extraction rate,coal seam porosity,seam roof aquifer thickness and bottom water-insulating layer thickness affecting the water-rich coal seam,ArcGIS software and analytic hierarchy process(AHP)were combined to make water-rich prediction zoning for the No.2 coal seam in the study area.The water inflow of underground driving(including shaft,roadway)and stoping face under different working conditions is predicted.The results show that the estimated hydrostatic reserves of No.2 coal seam in the study area are about 0.665 billion m3,the dynamic recharge water is about 362 m3/h,and the coal seam wa-ter shows an overall decaying trend.The water-rich zone of No.2 coal seam is divided into 5 types:relatively strong,strong,medium,weak and weak.关键词
榆横北区/富水煤层/水资源量估算/富水性分区/涌水量预测Key words
northern Yuheng Mining Area/water-rich coal seam/water resources estimation/water-rich zoning/water inflow pre-diction分类
矿业与冶金引用本文复制引用
方刚..巴拉素井田煤层富水性分区及水量预测[J].煤矿安全,2024,55(1):200-207,8.基金项目
国家自然科学基金资助项目(42307113) （42307113）
陕西省自然科学基础研究计划资助项目(2023-JC-QN-0291) （2023-JC-QN-0291）
