摘要
为了查明张集矿A组煤层底板灰岩含水层突水通道及含水层水力联系,向奥陶系灰岩含水层投放NH4Cl、KI 2种示踪剂,同时向寒武系灰岩含水层投放食用胭脂红示踪剂,并在在突水点处按一定间隔采集样品,分析离子浓度及分光度随时间变化关系曲线,研究表明:奥陶系灰岩含水层中存在4条岩溶通道,寒武系灰岩含水层存在3条岩溶通道,且不同含水层水力存在一定的水力联系,突水水源为多种水源混合。
In order to find out the water bursting channels and hydrodynamic relation of different aquifers in limestone aquifer under floor of A group coal mining,NH4 Cl and KI were adopted as the tracer and put into Ordovician limestone aquifers,and coccinellin was used as the tracer and put into Cambrian limestone aquifers by observation well. Meanwhile water samples were collected at intervals of the water inrush point. According to the curve relationship between the concentration and time,absorbance and time,the results of test and analysis indicate that there are 4 channels in the Ordovician limestone aquifers,and 3 channels in the Cambrian limestone aquifers. There is a hydrodynamic relation in different limestone aquifers,and source of water comes from different limestone aquifers.
出处
《煤矿安全》
北大核心
2016年第3期56-59,63,共5页
Safety in Coal Mines
关键词
煤矿突水
示踪试验
岩溶通道
灰岩含水层
突水水源
coal mine water-bursting
tracing test
karst channel
limestone aquifer
source of water bursting
