文献类型：期刊文献

英文题名：Study on Asymmetric Caving Failure Characteristics and Stability of Surrounding Rock Of Pseudo-Declivity Mining Roadway in Kilometer Deep Well Manganese Ore

作者：Gao, Lin Shen, Yexing Deng, Chuan Wen, Zhijie Wang, Yongyin Zhao, Fanghao Tang, Shixian

第一作者：Gao, Lin

机构：[1] Mining College, Guizhou University, Guiyang, 550025, China; [2] Research Center of Roadway Support and Disaster Prevention Engineering in Coal Industry, China University of Mining and Technology[Beijing], Beijing, 100083, China; [3] National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guizhou university, Guiyang, 550025, China; [4] Guizhou Emergency Technology Center, Guiyang, 550003, China; [5] School of Safety Engineering, China University of Mining and Technology, Xuzhou, 221116, China; [6] Institute of Mining Engineering, Guizhou Institute of Technology, Guiyang, 550003, China

第一机构：Mining College, Guizhou University, Guiyang, 550025, China

年份：2025

外文期刊名：SSRN

收录：EI(收录号：20250201122)

语种：英文

外文关键词：Mine roof control - Mine roof supports - Silver deposits

摘要：The manganese ore resources in Guizhou Province are abundant, but they are buried relatively deeply and the roadway roofs are mainly composed of carbonaceous shale, interlayer joints and cracks development, resulting in serious deformation and failure of the surrounding rock of such roadway. In order to reveal the deformation and failure characteristics of the surrounding rock in such roadways, taking the middle air return roadway of the -110 working face of a kilometer deep manganese ore in Tongren, Guizhou as an example. The results show that the asymmetric caving failure of the roof is significantly affected by factors such as roof strength, thickness, and dip angle. The subsidence at the occlusion of the broken roof rock blocks was derived. As the strength of carbonaceous shale increases, the displacement of the roof and the two sides decreases significantly, the vertical displacement of the roof decreases from 94.6 mm to 42.7 mm; the horizontal displacement of the right side of the roadway decreases from 137.6 mm to 62.5 mm, and the left side decreases from 176.1 mm to 64.8 mm. The proposed reinforcement anchor cable support technology system effectively controls the differential deformation and failure of the roadway, significantly improves the integrity and stability of the surrounding rock, and effectively inhibits the asymmetric caving of the carbonaceous shale in the roof, the rationality and effectiveness of the reinforcement anchor cable support design were further verified , The research results can providing theoretical basis and practical reference for similar metal mine roadway support. ? 2025, The Authors. All rights reserved.