Results 11 to 20 of about 16,431 (261)
Numerical Simulation on the Stability of Surrounding Rock of Horizontal Rock Strata in the Tunnel [PDF]
Civil Engineering Journal, 2018 Horizontal rock strata is a geological condition of rock which is often encountered in the tunnel construction, and it has an important influence on the tunnel construction, it is necessary to analyze and study the stability of horizontal rock strata in tunnel construction to ensure the tunnel construction's safety and efficiency.
Nian Zhang +3 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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Advances in Materials Science and Engineering, 2022 Granite is a common brittle rock material in underground surrounding rock, such as Yebatan Hydropower Station. The underground cavern of Yebatan Hydropower Station has characteristics of large span, high ground stress, fault development, and abundant ...
Xiaolong Li +3 more
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Shock and Vibration, 2022 Combined with specific engineering examples, the spatial disturbance influence characteristics and laws of the surrounding rock stress in the staggered roadways are analyzed by numerical simulation.
Qingwei Bu +3 more
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矿业科学学报, 2023 The classification of surrounding rock stability of coal roadway has important theoretical and practical significance for the design, construction and management of on-site rock mass engineering.This paper selected seven key indexes that affect the ...
Ma Xinmin +5 more
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Complex Analytical Study of the Stability of Tunnel-Surrounding Rock in a Layered Jointed Rock Mass [PDF]
Mathematical Problems in Engineering, 2020 A barrier function method based on the fmincon optimization function in MATLAB was used to determine the function to map a tunnel boundary to the unit circle in the complex plane, and a structural failure criterion of the mapping convergence was established based on the reliability theory of underground engineering.
Su Wu +6 more
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Numerical Modeling and Stability Analysis of Surrounding Rock of Yuanjue Cave [PDF]
Geofluids, 2021 Yuanjue Cave, located in Big Buddha Bay, Mount Baoding, Dazu Rock Carvings Area, has extremely high historical, artistic, and religious value and is an important grotto cultural relic in China. Due to the cutting action of the fissures and weak interlayers, the South Cliff of Big Buddha Bay where Yuanjue Cave is located showed signs of instability.
Zhigang Meng +4 more
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矿业科学学报, 2017 The distribution of plastic zone of surrounding rock in deep mining roadway is the key to control the stability of surrounding rock. Taking the deep mining roadway of Xingdong Mine as the research background, according to the "butterfly-shaped" plastic ...
Li Yongen +4 more
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Advances in Civil Engineering, 2021 Aiming at the uncertainty in the existing tunnel surrounding rock stability evaluation methods and the inability to make scientific explanations in the process of determining the weights of multiple evaluation indicators, this paper combines subjective ...
Jing Long Li +3 more
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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
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