| 长沟峪煤矿大倾角中厚煤层变薄带的顶板压力 |
| |
| 引用本文： | 孙广义,陈刚,王兴华.长沟峪煤矿大倾角中厚煤层变薄带的顶板压力[J].黑龙江科技学院学报,2011,21(1):40-43. |
| |
| 作者姓名： | 孙广义 陈刚 王兴华 |
| |
| 作者单位： | 1. 黑龙江科技学院,资源与环境工程学院,哈尔滨,150027
2. 北京昊华集团公司,北京,100000 |
| |
| 摘 要： | 大倾角煤层开采后,受采空区冒落矸石下滑充填的影响,特别是工作面中部煤层变薄带的影响,工作面顶板岩层的变形、破坏和运动形式不同于其他煤层。以长沟峪大倾角煤层变薄带顶板压力观测数据为基础,结合计算机模拟方法,分析该煤层顶板压力特点。数值模拟与实测分析均显示工作面煤层变薄带下部顶板压力大。这为相近条件下采煤工作面顶板支护设计提供了技术指导。
|
| 关 键 词： | 煤层变薄带 大倾角 矸石充填 顶板 |
Roof pressure of thinner zone at thick coal seam with large inclined angle in Changgouyu |
| |
| SUN Guangyi,CHEN Gang,WANG Xinghua.Roof pressure of thinner zone at thick coal seam with large inclined angle in Changgouyu[J].Journal of Heilongjiang Institute of Science and Technology,2011,21(1):40-43. |
| |
| Authors: | SUN Guangyi CHEN Gang WANG Xinghua |
| |
| Institution: | 1.College of Resource & Environment Engineering,Heilongjiang Institute of Science & Technology,Harbin 150027,China;2.Group of Beijing Haohua,Beijing 100000,China) |
| |
| Abstract: | This paper introduces an insight into the steeply dipping seams which following the mining operation,are subjected to the deformation,destruction and movement occurring in roof rock in the different way from other coal seam,due to the impact of waste rock falling down from Gob,especially the thinner zone of coal face at the medium steep seam.The approach involves an analysis of the character of roof pressure at steeply dipping seam,based on observation pressure data of the similar geological condition in Changouyu and combined with the numerical simulation method.Both numerical simulation and experimental analysis show that the lower part of thinner zone of coal face is exposed to a higher roof pressure.This research provides technical guide for roof support designed for coal faces with the similar conditions. |
| |
| Keywords: | thinner zone of coal seam large inclined angle waste-filling roof |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
