煤矿开采
煤礦開採
매광개채
COAL MINING TECHNOLOGY
2014年
6期
25-28
,共4页
孙庆先%安晋松%牟义%孙志强
孫慶先%安晉鬆%牟義%孫誌彊
손경선%안진송%모의%손지강
地面三维地震%矿井瞬变电磁法%矿井震波超前探测技术%小型断层构造
地麵三維地震%礦井瞬變電磁法%礦井震波超前探測技術%小型斷層構造
지면삼유지진%광정순변전자법%광정진파초전탐측기술%소형단층구조
surface 3-D seismic%mine transient electromagnetic method%mine seismic-wave advanced detection technology%small fault
多年实践经验总结表明,地面物探成果对于了解煤层赋存状态、矿井主要构造等宏观内容十分有益,但对于规模较小的地质异常体的判断存在较大误差。在地面物探成果的指导下,开展井下物探,可以达到对小型地质异常体的精细探测,提高准确率,降低误报率和漏报率,减少盲目性,对于保证安全生产起到重要作用。根据矿井环境条件,采用不同原理的物探技术组合开展井下综合物探,有利于分析判断物探成果。以实例说明地面三维地震与井下瞬变电磁法、地震波法联合物探对于探测隐伏小型构造十分有效。
多年實踐經驗總結錶明,地麵物探成果對于瞭解煤層賦存狀態、礦井主要構造等宏觀內容十分有益,但對于規模較小的地質異常體的判斷存在較大誤差。在地麵物探成果的指導下,開展井下物探,可以達到對小型地質異常體的精細探測,提高準確率,降低誤報率和漏報率,減少盲目性,對于保證安全生產起到重要作用。根據礦井環境條件,採用不同原理的物探技術組閤開展井下綜閤物探,有利于分析判斷物探成果。以實例說明地麵三維地震與井下瞬變電磁法、地震波法聯閤物探對于探測隱伏小型構造十分有效。
다년실천경험총결표명,지면물탐성과대우료해매층부존상태、광정주요구조등굉관내용십분유익,단대우규모교소적지질이상체적판단존재교대오차。재지면물탐성과적지도하,개전정하물탐,가이체도대소형지질이상체적정세탐측,제고준학솔,강저오보솔화루보솔,감소맹목성,대우보증안전생산기도중요작용。근거광정배경조건,채용불동원리적물탐기술조합개전정하종합물탐,유리우분석판단물탐성과。이실례설명지면삼유지진여정하순변전자법、지진파법연합물탐대우탐측은복소형구조십분유효。
Years of practice showed that surface geophysical exploration fruit was favorable for understanding coalseam occurrence state and main tectonic of mine, but there was major error in judging small tectonic body. Underground geophysical exploration would realize detailed detection for small tectonic body, improve accuracy and reduce misinformation and failure ratio. According to mine environment condition, applying underground comprehensive geophysical exploration with different theory was favorable for analyzing exploration re-sult. An example was used to show the effectiveness of applying surface 3-d seismic, underground transient electromagnetic method and seismic-wave method to detecting hidden small fault.