大型水库库区下压煤开采研究

Study on coal mining in seam under large reservoir areas

运用现场工程地质调查、室内岩石力学试验、现场测试、矿井涌水量统计、水质分析、理论计算以及数值模拟相结合的综合手段,分析认为煤层开采有安全保障;地面塌陷范围有限,不会波及到大坝附近;煤层开采不会造成库区水体渗漏,不会对大坝附近的渗流场产生影响.

Using general research techniques combined with field engineering geologic survey, indoor test for rock mechanics, field test, numerical statement of water discharge of the well, water quality analysis, theoretical calculation and numerical simulation, consider that mining is safe. Surface subsidence range is limited which can not spread to neighborhood of the dam. Mining can not cause leakage of reseroir waterbody or affect infiltration flow field near the dam.