12摘要葛亭煤矿2.4Mt/a新井设计。葛亭煤矿位于山东省济宁市北部，交通便利。可采煤层为3煤层、16煤层、17煤层。其中3煤层为主采煤层，其3可采面积为18.16km2，平均倾角为5°，煤层平均厚度为10.8m。井田地质条件简单。井田工业储量为264.8Mt，矿井可采储量181.8Mt。矿井服务年限为58.28a，涌水量不大，矿井正常涌水量为75.05m3/h，最大涌水量为120m3/h。矿井瓦斯涌出量较低，为低瓦斯矿井。井田为双立井单水平开拓。矿井年工作日为330d，工作制度为“四六”制。矿井采用一矿一面的高效作业方式,一面备用。工作面长度为210m。运输大巷采用胶带运输煤炭，轨道大巷采用电机车牵引1.5t固定箱式矿车运输矸石和材料等。矿井前期采用中央边界式通风，后期采用中央对角式通风。主扇工作方式采用抽出式。共包括10章：1.矿区概述及井田地质特征；2.井田境界和储量；3.矿井工作制度、设计生产能力及服务年限；4.井田开拓；5.准备方式-带区巷道布置；6.采煤方法；7.井下运输；8.矿井提升；9.矿井通风及安全；10.矿井基本技术、经济指标。关键词：强度弱化减冲理论；冲击矿压；减冲解危；危险降低45目录1矿区概述及井田地质特征....................................-1-1.1矿区概述...............................................-1-1.1.1地理位置及交通条件..................................11.1.2地形地貌及水文气象..................................21.1.3河流及水系..........................................21.1.4矿区自然地震........................................31.1.5矿井四邻关系........................................31.2井田地质特征...............................................41.2.1井田地形地势........................................41.2.2井田地层概述........................................41.2.3井田煤系地层概述....................................71.2.4区域构造............................................91.2.5矿井构造...........................................101.2.6地层产状及主要褶曲.................................101.2.7断层...........................................-11-1.2.8区域水文地质概况...................................201.2.9矿井充水条件.......................................201.2.10矿井涌水量预算....................................211.3煤层特征..................................................221.3.1含煤性.............................................221.3.2可采煤层特征.......................................231.3.3煤质特征...........................................251.3.4煤的工业分类.......................................271.3.5煤的工业用途.......................................281.3.6瓦斯、煤尘和煤的自燃倾向...........................291.3.7地温和地压.........................................311.3.8顶、底板岩石物理力学性质...........................331.3.9煤层顶底板岩性及稳定性.............................342井田境界和储量...............................................362.1井田境界..................................................362.1.1井田范围确定原则...................................362.1.2井田范围...........................................372.1.3井田可采面积.......................................372.1.4井田界限...........................................372.2矿井工业储量..............................................3812.2.1储量计算基础.......................................382.2.2煤层可采厚度.......................................382.2.3工业储量计算.......................................392.3矿井可采储量..............................................392.3.1安全煤柱留设原则...................................392.3.2各种永久保护煤柱损失量..............................
