Results 31 to 40 of about 167,709 (298)
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
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Sustainability, 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
semanticscholar +2 more sources
Geofluids, 2021 The influence of groundwater on tunnel engineering is very complicated. Due to the complexity of water flow water pressure transfer and uncertain defects in the stratum, all of which are key factors with regard to the design of tunnel engineering ...
Yingchao Wang +4 more
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Applied SciencesIn the context where the surrounding rock of deep coal mine roadways is in a complex mechanical environment of “three highs and one disturbance”, mining disturbances are prone to cause instability and damage to the roadways, and the severe deformation of the south wing main roadway caused by mining disturbances in the 2404 working face of a certain ...
Jianxi Ren, Kai Su, Chengwei Sun
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Geomatics, Natural Hazards & RiskTo prevent severe damage to the surrounding rock of the roadway under the high ground pressure within deep mining, the stress evolution of the surrounding rock was studied, and the surrounding rock control technology in the II1057 roadway of ...
Huaibin Li +4 more
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Yantu gongcheng xuebao, 2022 A numerical simulation method for hydraulic fracture pressure of perforated surrounding rock under hydraulic coupling is proposed using the FVM based on the coupling theory of fluid flow of porous media and stress of surrounding rock.
ZHANG Yu 1, 2, WANG Peng-sheng 1, LI Da-yong 1, ZHANG Yu-kun 2, WEI Kai 3
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Surrounding Rock Pressure of Deep Roadway and Influences on Advance Support
DEStech Transactions on Computer Science and Engineering, 2017 Guang-Hui XUE +4 more
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Pressure of surrounding rock of deep-buried loess shield tunnel
Yantu gongcheng xuebao, 2021 With the development of shield tunnel engineering, more and more deep-buried loess shield projects have gradually appeared. The calculation of pressure of the surrounding rock is of great significance to the design of linings and safety evaluation during
HAN Xing-bo 1, 2, YE Fei 1, 2, FENG Hao-lan 1, HAN Xin 1, TIAN Chong-ming 1, LEI Ping 1
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Frontiers in Earth Science, 2023 On the basis of the Zhonghe Tunnel project of the An-Lan Expressway, the objective of this study was to determine the appropriate method of calculating the steel arch load and stress release rate during numerical simulation.
Xiao-ju Ding +3 more
semanticscholar +1 more source
The Relationship Between the Manifestations of Rock Pressure and the Relative Deformation of Surrounding Rocks [PDF]
E3S Web of Conferences, 2017 On the basis of analysis of the manifestations of the rock pressure in domestic and abroad practice the authors have the aim to research above named manifestations in conditions of new coal deposits of Kuzbass (Erunakovskoe, Kazankovskoe etc.) and to form the normative document for mining in these conditions.
Kostyuk Svetlana +3 more
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