三采区回风上山掘进作业规程4.11

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1、目录第一章概况·········································3第一节邻近采掘情况···································3第二节煤（岩）层赋存特征······························3第三节地质构造···································4第四节水文地质····································4第五节煤岩层综合柱状图································4第六节工程概况·························

2、······440第二章巷道施工·········································5第一节施工方法···························5第二节巷道支护····································6第三节装载与运输····························8第四节巷道布置与临时轨道铺设··························9第五节施工工序··························10第六节施工设备··························10第七节循环组织········

3、·················10第三章一通三防·······································1240第一节局部通风······································12第二节监测监控·····································13第三节防尘、隔爆和防自燃发火·························14第四章供电·······································17第五章生产系统与经济指标·····························19第一节系统线路与

4、说明·································19第二节主要经济指标··································19第六章安全技术措施··································2040第一节施工前准备工作·······························20第二节拨门、贯通管理······························21第三节顶板管理··························21第四节“一通三防”管理·································24第五节机电

5、运输管理······························26第六节掘进防治水······························28第七节其它安全技术措施·······························29第八节矿压观测······························3140第九节通讯及信号系统··························32第十节灾害应急措施与避灾路线··························32第一章概况第一节邻近采掘情况东翼回风上山原巷道名称为三采区回风上山。东翼回风上山南为东翼回风大巷，西邻三采区轨道上山，

6、东为实体，北临杏园煤矿采空区。第二节煤（岩）层赋存特征一、煤层及顶底板表1-1煤层及顶底板情况煤层情况煤层平均厚度（ｍ）7.5煤层结构简单煤层倾角（°）0～5煤层名称及性状：4-1号煤组以暗煤以主，具镜煤及亮煤，沥青光泽，棱角状-贝壳状断口，条带结构，层状构造，水平层理，外生裂隙发育，比重大，质硬。4-1号煤上部含暗煤成分多，中下部则以亮煤成分居多。40顶底板情况名称岩石类别厚度（m）岩性特征顶板粗砂岩、泥岩、砂质泥岩0.50-12.70细砂岩，中细砂岩；胶结较好比较坚硬直接底粉砂岩1.17-3.24泥岩中砂岩，富动植物化石老底粗、细、粉砂岩　5.0—7.8灰白色中粗粒砂岩，较坚硬。二、影响掘

7、进的其它因素其它地质情况瓦斯掘进期间最大瓦斯涌出量为0.55ｍ3/min。瓦斯相对涌出为1.52m3/t，绝对瓦斯涌出量为0.95m3/min二氧化碳二氧化碳相对涌出量为2.53m3/t，绝对涌出量为1.58m3/min煤尘具爆炸危险性。煤层自燃煤层具有自燃倾向性，属自燃煤层，自燃等级为Ⅱ级地温属地温正常区地压属地压正常区第三节地质构造本区域位于宁武煤田北部平朔矿区，宁武煤田的东缘及东北缘太古界交