Results 21 to 30 of about 4,217,928 (269)
地质科技通报, 2023 Objective In recent years, the trend of tunnel blasting construction extending to depth is becoming more and more significant, and the influence of layered rock mass in deep buried diversion tunnel on cutting quality in blasting construction is the key ...
Shouguo Jiang +4 more
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Integrated UAV photogrammetry and SMRM constitutive modeling for spatial stability assessment of layered rock slopes. [PDF]
PLoS ONELayered rock slopes with structural discontinuities pose significant challenges for stability assessment under complex geological conditions. This study presents an integrated approach combining unmanned aerial vehicle (UAV) photogrammetry, 3D numerical ...
Huagang Shan +6 more
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Experimental Study on Deformation Law of Rectangular Roadway in Horizontal Layered Rock Mass
Advances in Materials Science and Engineering, 2022 In order to analyze the characteristics and mechanism of roadway deformation caused by high stress in horizontal strata, a physical model with rectangular roadway was designed.
Dinggui Hou +2 more
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Study on deformation of layered rock tunnel based on material point method [PDF]
Archives of Civil EngineeringThe stability problems of layered rock mass are frequently encountered in tunnel and underground engineering. Affected by bedding plane, the mechanical properties of surrounding rock show obvious anisotropy, which makes its failure characteristics more ...
Jingjie Pang +6 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
openaire +2 more sources
Geofluids, 2022 The obvious anisotropy of layered rock mass prevents the built-in constitutive model of commercial simulation software from accurately describing the elastoplastic behavior of the rock mass.
Haoran Li +5 more
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Frontiers in Earth Science, 2022 The underground powerhouse of China’s Wudongde hydropower station is one of the world’s underground powerhouses with the largest span and height. Because the underground powerhouse is all located in steeply-inclined layered rock masses, and the bedding ...
Chong-Lin Jian +7 more
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Energy Science & Engineering, 2023 Given the deformation and instability of the layered floor of weakly cemented soft rock roadway, taking the mining roadway of Meihuajing Mine as the engineering background, the deformation and instability mechanism of the floor and the control measures ...
Ye Zhu +4 more
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Frontiers in Earth Science, 2022 The mechanical analysis of complex rock mass is a difficult problem, which often occurs in scientific research and practical engineering. Many achievements have been made in the study of rock mass composite problems by composite material micromechanics ...
Junzhao He +8 more
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Numerical Simulation of Rock Mass Structure Effect on Tunnel Smooth Blasting Quality: A Case Study
Applied Sciences, 2021 Taking the Zigaojian tunnel, Hangzhou–Huangshan high-speed railway, China, as background, the rock mass structure effect on smooth blasting quality was studied.
Jianxiu Wang +8 more
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