Results 31 to 40 of about 18,688 (295)
Influence Mechanism of Main Roof Height on Surrounding Rock Stability of Gob-Side Entry Driving [PDF]
, 2018 The main roof directly affects the stress environment and the control effect of the surrounding rock of gob-side entry driving. A mechanical model of the surrounding rock of gob-side entry driving was established to analyze the influence mechanism of ...
Chen, Gao-feng +11 more
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Stability Analysis of Support Anchor Bolt in the Process of Surrounding Rock Fracture Evolution [PDF]
, 2023 Various diseases and failures inevitably appear on expressway roadways in water-rich strata under the long-term erosion of water. It is very difficult to support the surrounding rock of a water-rich roadway because water will corrode the anchorage bond ...
Juncai Cao +5 more
core +1 more source
Frontiers in Earth Science, 2023 In the natural geological environment, there are many joints, faults and cavities. These natural defects will have an impact on the stability of tunnels.
Binglei Li +4 more
doaj +1 more source
International Journal of Mining Science and Technology, 2021 The “three shells” cooperative support technology was proposed herein according to both the large deformation of the rock surrounding large-section chambers in deep mines and the precarious stability of the support structures therein.
Cheng Zhu +5 more
doaj +1 more source
Gong-kuang zidonghua, 2021 The roadway with dynamic pressure and high slope refers to the roadway which is seriously affected by dynamic pressure and has a high slope. This type of roadway not only experiences disturbances in the excavation process, but also has to experience the ...
SHEN Binxue +5 more
doaj +1 more source
Acceleration Discrimination of Stability and Reliability Analysis of Surrounding Rock of Loess Tunnel [PDF]
, 2011 This paper analyzes the tunnel rock ultimate displacement,proposes using acceleration to determine the tunnel surrounding rock stability.Acceleration compared to determine the stability of surrounding rock ultimate displacement method obtained consistent
Tian Yu Zhang +3 more
core +1 more source
Meikuang Anquan, 2020 Aiming at the uncertainty and fuzziness of the factors affecting the stability of surrounding rock, based on the cloud model, a stability evaluation model considering various geological and hydrological factors is established based on the entropy weight ...
FANG Shisheng, TIAN Haitao, HUANG Dezhou, LIU Weinan
doaj +1 more source
Instability of an intersecting fault-dyke system during deep rock excavation [PDF]
, 2022 Intersecting discontinuities are often encountered in rock engineering and sometimes associated with damaging geohazards. Our understanding of intersecting discontinuities instability remains vastly insufficient due to difficulties in comprehensively ...
Huang, Xiao +5 more
core +1 more source
Calculation of Stability Limit Displacement of Surrounding Rock of Deep-Buried Soft Rock Tunnel Construction Based on Fuzzy Logic Matching Algorithm [PDF]
, 2022 With the continuous development of society and economy, infrastructure construction is expanding on a large scale. The stress concentration after excavation in deep-buried soft rock masses may cause the stress level of the rock mass to exceed the ...
Ma, Zecheng +5 more
core +2 more sources
矿业科学学报, 2020 In order to explore the stability category and support mode of surrounding rock of mining roadway in extremely close coal seams, the stability category of surrounding rock is determined by comprehensive evaluation with mathematical method.Firstly, the ...
Li Xiaobin +4 more
doaj +1 more source