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四川煤矿基本建设公司第十工程处,承建的天府矿务局三汇坝二井,在施工集中皮带运输机上山,穿 F_4大断层带时,于1983年1月24日11时15分,发生了放炮诱发煤(岩)与瓦斯突出事故,突出煤岩量4000m~3,沼气50万m~8。一、矿井与事故地点的基本情况三汇二井井田处在华莹山背斜脊部,宝顶背斜东翼,为单斜构造。南以 F_4、F_(?)斯层与三汇一、三矿为界,北以14号勘探线为界,
The tenth engineering department of Sichuan Coal Mine Construction Corporation and the Sanhui Dam No.2 well built by Tianfu Mining Bureau under construction took a blast at 11:15 on January 24, 1983 when the concentrated belt conveyor was going uphill and wearing a large fault zone F_4. Induced coal (rock) and gas outburst accidents, highlighting the coal and rock mass 4000m ~ 3, biogas 500,000 m ~ 8. I. Basic Conditions of Mines and Accident Sites The Sanhui Second Minefield is located at the ridge of the Huayingang anticline and east of the Baoting anticline, with a monoclinic structure. South to F_4, F_ (?) Layer and the San Hui, three mines for the sector, north of the 14 exploration line for the community,