摘要
我国煤矿井下采空区分布广泛,数量巨大,但其隐蔽性强,空间分布和多样性差且不规则,极易发生不可预测的顶板塌陷,引发顶板突水等灾害,导致人员伤亡和财产损失。为此,本文以新型瞬变电磁法对挖金湾煤矿富水采空区进行了超前探测,采用噪声消除、基线校正、一维Occam反演等数据处理方法,获得测区2号煤层视电阻率值的电阻率断面图和水平切片。结果显示,调查区共解译出4个主要的采空区(CK2-1、CK2-2、CK2-3、CK2-4)以及11个富水采空区(JS2-1—JS2-11);利用井下超前钻探对解释结果进行进一步验证,证实了SATEM系统的可靠性和有效性。
The underground goaf of coal mines in China is widely distributed and has a huge number,but it has strong concealment,poor spatial distribution and diversity,and is irregular.It is highly prone to unpredictable roof collapse,causing disasters such as roof water inrush,leading to casualties and property losses.Therefore,this paper uses a new type of transient electromagnetic method to conduct advanced detection of the water rich goaf in the Dig Jinwan Coal Mine.Data processing methods such as noise elimination,baseline correction,and one-dimensional Occam inversion are used to obtain the resistivity cross-section and horizontal slice of the apparent resistivity value of the No.2 coal seam in the measurement area.The results showed that a total of 4 main goafs(CK2-1,CK2-2,CK2-3,CK2-4)were deciphered in the survey area,and 11 water rich goaf(JS2-1-JS2-11).Further verification of the interpretation results was conducted using advanced drilling underground,confirming the reliability and effectiveness of the SATEM system.
作者
薛智强
XUE Zhiqiang(Dig Jinwan Coal Company of Jinneng Holding Coal Group,Datong,Shanxi 037000,China)
出处
《自动化应用》
2023年第21期166-168,共3页
Automation Application
关键词
新型瞬变电磁法
超前探测
富水采空区
new transient electromagnetic method
advanced detection
water-rich mining area
