成果/Result
- Mechanical characteristics and deformation control of surrounding rock in weakly cemented siltstone被引量:51收藏
- 作者:Yu, Weijian Li, Ke Liu, Ze An, Baifu Wang, Ping
- 机构:Hunan Univ Sci & Technol;Hunan Univ Sci & Technol;Guizhou Inst Technol
- 来源:ENVIRONMENTAL EARTH SCIENCES 2021
- 关键词:Weakly cemented siltstone Roadway support technology Marithan polyurethane Grouting rEInforcement Combined support scheme
- Mechanism of Overlying Crack-Stress Evolution When Mining on the Dual Fault Zone被引量:2收藏
- 作者:Guo, Hanxiao Yu, Weijian Liu, Yong Li, Ke Kang, Xiangtao
- 机构:Hunan Univ Sci & Technol;Guizhou Univ;Hunan Univ Sci & Technol;Guizhou Inst Technol;Guizhou Panjiang Refined Coal Co Ltd
- 来源:GEOTECHNICAL AND GEOLOGICAL ENGINEERING 2021
- 关键词:Dual fault Similar material simulation Overlying rock fissure Mining include stress Joint action
- Experimental Study on Mudstone's Strength Characteristics in Deep-Buried Coal-Measure Formation: A Case Study of Permian Longtan Formation被引量:0收藏
- 作者:Li, Ke Yu, Weijian Xu, Youlin Lai, Long Zhang, Hui
- 机构:Hunan Univ Sci & Technol;Guizhou Inst Technol;Hunan Univ Sci & Technol;Guizhou Panjiang Coal & Elect Grp Co Ltd
- 来源:SHOCK AND VIBRATION 2021
- 关键词:Coal - Compression testing - Compressive strength - Data handling - Quartz - Rock mechanics - Scanning - Scanning electron microscopy - Sedimentary rocks - X ray diffraction
- 煤巷弱胶结顶板稳定性分析与变形控制技术被引量:0收藏
- 作者:余伟健 李可 刘泽 郭涵潇 安百富
- 机构:湖南科技大学资源环境与安全工程学院;湖南科技大学煤炭资源清洁利用与矿山环境保护湖南省重点实验室;贵州理工学院矿业工程学院
- 来源:《岩土力学》 2022
- 关键词:回采巷道 弱胶结顶板 围岩稳定性 注浆加固 联合支护技术
- 摘要:煤层顶板为弱胶结岩体时稳定性差,常在煤炭回采过程中或巷道掘进时发生大变形或失稳等现象,维护难度较大。针对煤巷弱胶结粉砂岩顶板力学特征与变形控制等问题,以广西林场煤矿煤巷弱胶结粉砂岩顶板支护工程为工程背景,采用现场调研、实...