Distant interaction of rock mass clusters around underground opening [PDF]
, 2017 Purpose. To experimentally prove the fact of distant interaction between rock clusters during the irreversible displacements of rock mass. Disintegration of the rock mass does not necessarily imply loss in underground working stability.
Diedich, I +3 more
core +3 more sources
Numerical Simulation of Coupling Support for High-Stress Fractured Soft Rock Roadway in Deep Mine
Advances in Civil Engineering, 2022 Aiming at the difficulties during the support of high-stress fractured soft rock roadway in deep mine, a comprehensive surrounding rock management method of bolt-net-cable-grout coupling support is proposed and the mechanism of interaction between ...
Wenhua Yuan +4 more
doaj +1 more source
The application of grouting reinforcement to the broken surrounding rock of 1366 stoping roadway
矿业科学学报, 2023 This study proposes a fractional grouting reinforcement scheme of the roadway with full section to tackle surrounding rock breakage in the stoping roadway of 1366 working face and roadway deformation, floor heave and support failure.The infiltration ...
Zhang Lixin, Wei Xiujie, Liu Guangchao
doaj +1 more source
Numerical methods of geomechanics tasks solution during coal deposits’ development [PDF]
, 2016 Purpose. Generalization of numerical modeling of geomechanical processes in the vicinity of mine workings by finite elements method and making recommendations for substantiation of suitable construction and behavior of rock massif physical model ...
Bondarenko, V +4 more
core +2 more sources
Complex function solution for deformation and failure mechanism of inclined coal seam roadway
Scientific Reports, 2022 The stressed environment of the inclined coal seam roadway is complex and changeable, and the damage degree of surrounding rock increases, threatening the safe mining of coal mines.
Xianyu Xiong +3 more
doaj +1 more source
Experimental studies on the shear resistance of original coal-shale joint [PDF]
, 2017 Purpose. Experimental study and theoretical modeling of the shear resistance of original coal-shale joint. Methods. A two-segment model was developed to describe the shear resistance-shear displacement curves obtained from the direct shear tests of ...
Dong, H, Guo, B, Wang, L
core +2 more sources
Implementation of probabilistic approach to rock mass strength estimation while excavating through fault zones [PDF]
, 2019 Purpose. The paper addresses the rock mass state estimation while excavating a cross-heading through the area of regional fault “Bohdanivskyi” based on probabilistic approach to assessing the rock strength. Methods.
Babets, D +4 more
core +1 more source
The Complex Function Method Roadway Section Design of the Soft Coal Seam [PDF]
, 2016 As for the sophisticated advanced support technique of vertical wall semicircle arch roadway in the three-soft coal seam, a design of flat top U-shape roadway section was put forward.
Cun Zhang +4 more
core +2 more sources
Energies, 2022 Anchor cables (bolts) act as the main support system and play an important role in improving the rock burst resistance and stability of the roadway surrounding the rock.
Dong Xu, Mingshi Gao, Xin Yu
doaj +1 more source
Analysis of Influence of Stress Lode Angle on Stability of Roadway Surrounding Rock
Shock and Vibration, 2021 Based on the variation range of the stress lode angle, the in situ rock stress is divided into σv-type stress field, σH-type stress field, and σh-type stress field.
Yihong Liu +5 more
doaj +1 more source