摘要
为查明工作面底板岩层主要含水层的含水特性及含水层之间的水力联系,确保工作面安全回采,基于瞬变电磁法探测原理,利用多匝数小回线测量装置对马坊煤矿9603进风巷、9605东进风巷的86个测点进行探测,从视电阻率变化、分布规律等方面对水文地质物性条件和含水异常区进行地质解释,并利用钻探对探测结果进行了验证。结果表明:岩层横向富水性不均一,呈现分区性,大部分块断富水性相对较弱,只有局部块断富水性相对较强,研究结果对矿井水害防治具有重要指导意义。
In order to find water-bearing features of major water bearing layers in the floor strata of the coal mining face and the hydraulic relationship between the water bearing layers and to ensure the safety mining of the coal mining face, based on a survey principle of the mine transient electromagnetic method, a multi turns return wire measuring device was applied to survey 86 measuring points set in No. 9603 air income gateway and No.9605 east air income gateway of Mafang Mine.A geological explanation was conducted on the hydrogeological physical property condition and the water-bearing abnormal zone from the apparent resistivity variation, distribution law and others. The exploration drillings were applied to verify the survey results. The results showed that a lateral water abundance of the stratum was not homogenized, was in sectional and the water abundance of the major broken block was relative weak. The water abundance of only partial broken blocks was strong. The study results would have important guidance to the mine water disaster prevention and control.
出处
《煤炭科学技术》
CAS
北大核心
2014年第3期96-98,共3页
Coal Science and Technology
基金
贵州省科学技术基金资助项目(LKB[2012]03)
贵州省省市共建矿山物探重点实验室资助项目(SSHZ[2012]04)
关键词
底板含水性
瞬变电磁法
电阻率
水害防治
floor water-bearing property
transient electromagnetic method
electrical resistivity
water disaster prevention and control
