Results 81 to 90 of about 1,470,376 (107)
, 2019 Providing support for deep soft rock roadways under dynamic pressure is a major technical challenge. In this study, the distribution characteristics of surrounding rock-bearing structure of such roadways were systematically examined using theoretical ...
Dongdong Qin +3 more
core +1 more source
Creep deformation characteristics and control technology in deep mine soft rock roadway
Geomechanics and Geophysics for Geo-Energy and Geo-ResourcesIn order to control the strong ageing creep and large deformation of deep soft rock roadway effectively, with the 61–71 track on the uphill of the mining area in Suzhou, Anhui as the research background, the triaxial creep test of mudstone was conducted ...
Lianghuan Yan +6 more
doaj +1 more source
Scientific ReportsSince accidents such as roof caving, rock fragmentation, and severe deformation are particularly likely to occur during roadway excavation in soft and thick coal seams, grasping the range and distribution of deformation and fracturing of surrounding rock
Chongyang Jiang +3 more
doaj +1 more source
Numerical Analysis for Anchoring Surrounding Rock of Thick and Soft Coal Roadway [PDF]
, 2010 application/pdfAccording to the surrounding rock stability type determined through fuzzy comprehensive evaluation, bolt and cable support parameters for thick and soft coal roadway were selected based on the engineering analogy method.
LI, Zhonghua +4 more
core
2D Semimodel of Full-Section Anchorage in Thick Soft Rock Roadway
, 2018 This paper focuses on the reinforcement effect of full-face anchorage in thick soft rock roadway. A 2D semimodel of full-face anchorage in roadway with thick surrounding soft rock was proposed firstly by transforming the confinement effect of the ...
Qing Ma +4 more
core +1 more source
Geomechanics and Geophysics for Geo-Energy and Geo-ResourcesThe deformation and damage of soft rock roadways in karst mountainous area is serious, which greatly restricts the safe and efficient mining of coal resources.
Zhenqian Ma +6 more
doaj +1 more source
, 2011 Based on an actual project, the paper used numeral simulation software FLAC3D to analyze change rule of stress and displacement of inclined soft rock roadway under different horizontal stresses in condition of invariable vertical stress.
GAO Jin-hai, CHENG Bao-ju, ZHAO Qing-tao
core
To investigate the effect of rock mass rheology on the deformation of roadway surrounding rock, the -848 m charging rectifier chamber test roadway in a mine was taken as the engineering case.
Junhui Zou +5 more
core +1 more source
Numerical Analysis for Anchoring Surrounding Rock of Thick and Soft Coal Roadway
application/pdfAccording to the surrounding rock stability type determined through fuzzy comprehensive evaluation, bolt and cable support parameters for thick and soft coal roadway were selected based on the engineering analogy method.
LI, Zhonghua +4 more
core
Numerical study on the deformation and failure of soft rock roadway induced by humidity diffusion
Tunnelling and Underground Space Technology, 2022 In underground space engineering, the humidity in the environment has a great influence on the structural performance of soft rock roadway. It not only changes the stress state of rock mass, but also weakens the physical and mechanical properties of ...
Gang Wang, YuYong Jiao, Chengzeng Yan
exaly +2 more sources