Results 21 to 30 of about 9,313 (263)
Geomatics, Natural Hazards & Risk, 2020 Deformation of surrounding rock is widely monitored to discover surrounding rock behaviors for purpose of event forecasting. This article aims to present a comparative study on surrounding rock nonlinear deformation prediction using computational ...
Peng He, Fei Xu, Shang-qu Sun
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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
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Yantu gongcheng xuebao, 2020 In the process of the excavation of underground powerhouse caverns at the right bank of Baihetan Hydropower Station, which is the world largest underground powerhouse in term of span, the surrounding rock at the roof arch from section 0 + 076 m to 0+133 ...
MENG Guo-tao 1, 2, HE Shi-hai 1, CHEN Jian-lin 1, WU Jia-yao 1, 2, CHEN Ping-zhi 1, 2, DUAN Xin-ping 3
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Advances in Civil Engineering, 2020 In view of the large deformation of thin-layer soft rock in the No. 2 inclined shaft of the Muzhailing Tunnel, we performed an experimental investigation on the mineral composition, physical characteristics, and uniaxial compressive strength of the ...
Xiulian Zhang +5 more
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Research on Deformation Control Measures of Surrounding Rock in Soft Rock Tunnel
IOP Conference Series: Earth and Environmental Science, 2021 Abstract In order to study the control measures of soft rock tunnel surrounding rock deformation, based on the restraint effect of shotcrete anchor support on it, a support model was constructed, and numerical simulation was used to compare and analyze the restraint effects of different bolts controlling the surrounding rock deformation.
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Advances in Civil Engineering, 2022 Aiming at solving the problem of asymmetric deformation, failure, and stability control of surrounding rock caused by the excavation of deep super large section soft rock chamber group passing through multilayer strata, taking super large section soft ...
Shengrong Xie +3 more
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Yantu gongcheng xuebao, 2023 There is a complex nonlinear relationship between the deformation of the surrounding rock of tunnels and the mechanical parameters of rock mass, which is the most intuitive expression for change of state of the surrounding rock, and is also an important ...
WANG Shuhong , DONG Furui
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Applied Sciences, 2023 In constructing high-geo-stress soft rock tunnels, the major deformation disaster of the surrounding rock has always been the main problem faced during construction.
Dong Ma +4 more
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Study on instability failure mode and monitoring early warning standard of surrounding rock in fully weathered argillaceous sandstone section of large section tunnel [PDF]
E3S Web of Conferences, 2019 Based on the special geological conditions of a tunnel in Qingyuan section of Huizhou-Zhanzhou Expressway, FLAC3d numerical simulation software is used to simulate the rheological properties and instability of surrounding rock in large-section fully ...
Zhao Ming +3 more
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Stress and Deformation Characteristics of Tunnel Surrounding Rock under Alteration
Sustainability, 2023 Based on a typical project in an altered rock area, this study carried out numerical simulations using the FLAC3D software to calculate the changes in the stress field, deformation field, and plastic zone of the surrounding rock during the unsupported and supported excavation of a water transfer tunnel.
Chen, Yapeng +5 more
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