集气管线下压煤开采可行性及采动影响计算分析  

Feasibility analysis of coal mining under gas gathering pipelines and calculation of mining impact

作　　者：刘贵 郭爱国[1,2] 田国灿 孙万明[1,2] 于秋鸽 LIU Gui;GUO Aiguo;TIAN Guocan;SUN Wanming;YU Qiuge(CCTEG Coal Mining Research Institute,Beijing 100013,China;Tiandi Science and Technology Co.,Ltd.,Beijing 100013,China)

机构地区：[1]中煤科工开采研究院有限公司,北京100013 [2]天地科技股份有限公司,北京100013

出　　处：《中国矿业》2023年第S02期154-157,共4页China Mining Magazine

摘　　要：针对榆林西部某煤矿井田内分布的4条集气支线影响井田开拓布局及高效安全开采的问题,分析了建(构)筑物下压煤开采可选开采方式。进行了不同工况下采动影响计算,分析认为在全厚开采不能满足集气管线安全运行的前提下,采用在管线保护煤柱范围内限厚开采(3.4m)的方式可实现管线安全运行的要求。可为类似开采条件下压煤开采提供参考。In response to the issue of four gas gathering branch lines affecting the development layout and efficient and safe mining of a certain coal mine in the western part of Yulin,an analysis is conducted on the optional mining methods for pressurized coal mining under pressure.The calculation of mining impact under different working conditions is conducted,and it is found that under the premise that full thickness mining cannot meet the safe operation of the gas gathering pipeline,the requirement for safe operation of the pipeline can be achieved by using limited thickness mining(3.4 m)within the protected coal pillar range of the pipeline.It can provide reference for coal mining under similar mining conditions.

关 键 词：集气管线 压煤开采 限厚开采 采动影响 

分 类 号：TD822[矿业工程—煤矿开采]