杉木树矿业有限公司N2492机、风巷综掘防突专项设计单位签字日期编制审核生调部技术地质机运通风通 风 科安 监 处安全副总地测副总机运副总采掘副总通风副总总工程师- 1 - 目录1 工作面概况 ........................................................................................................................ - 2 - 1.1 工作面简介 ·················································································· - 2 - 1.2 煤层赋存及地质条件 ······································································ - 2 - 1.3 地表及水文地质情况 ······································································· - 2 - 1.4 地质构造 ····················································································· - 3 - 2 工作面瓦斯地质灾害及突出危险性分析........................................................................ - 3 - 2.1 周边在掘及已掘巷道瓦斯涌出情况···················································· - 3 - 2.2 周边已掘巷道瓦斯涌出情况······························································ - 3 - 3 综合防突措施的可行性分析............................................................................................ - 4 - 3.1 掘进工作面综合防突措施分类·························································· - 4 - 3.2 可行性分析 ·················································································· - 4 - 4 “四位一体”综合防突措...
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