掘进巷道小煤柱宽度确定及支护技术  

Determination of the Width of Small Coal Pillars and Support Technology for Roadway Excavation

作　　者：王勇 崔鹏程 党其 Wang Yong;Cui Pengcheng;Dang Qi(Jinneng Holdings Coal Group Taishan Long’an Coal Co.,Ltd.,Xinzhou Shanxi 036600;Jinneng Holdings Shanxi Science and Technology Research Institute(Taiyuan)Science and Technology Research Co.,Ltd.,Taiyuan Shanxi 030006)

机构地区：[1]晋能控股煤业集团泰山隆安煤业有限公司,山西忻州036600 [2]晋能控股山西科学技术研究院(太原)科学技术研究有限公司,山西太原030006

出　　处：《机械管理开发》2022年第11期74-75,78,共3页Mechanical Management and Development

摘　　要：为了提高工作面煤柱回采率,减少采空区遗煤量,决定对307工作面回风顺槽采取小煤柱巷道掘进。为了保证小煤柱巷道安全快速掘进,同时避免工作面回采期间小煤柱巷道围岩受开采应力作用出现顶板破碎、垮落事故,通过技术研究决定对小煤柱顶板采取锚杆(索)联合支护。通过实际应用效果来看,锚杆(索)支护满足小煤柱巷道掘进顶板支护需求,能够有效控制顶板破碎下沉现象,取得了显著应用成效。In order to improve the coal pillar recovery rate and reduce the amount of coal left in the empty area,it was decided to adopt small coal pillar roadway for the return wind chute of 307 working face;in order to ensure the safe and fast digging of small coal pillar roadway,and at the same time to avoid the top plate crushing and collapse of small coal pillar roadway surrounding rock by mining stress during working face recovery,it was decided through technical research to adopt anchor rod(rope)joint support for small coal pillar top plate.The actual application effect shows that the anchor rod(rope)support can meet the demand for roof support in small coal pillar roadway excavation,and can effectively control the phenomenon of roof crushing and sinking,which has achieved significant application effect.

关 键 词：小煤柱巷道 顶板支护 桁架支护 

分 类 号：TD353[矿业工程—矿井建设]