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Similar simulation test of the mechanical properties of layered composite rock mass
Energy Science & EngineeringMost of the mine roadways in China are located in layered rock mass. To study the mechanical properties of a layered rock mass, the uniaxial compression test was carried out on the layered composite rock mass composed of sand and paraffin.
Jichun Kang +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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The Explosive Crack Propagation Mechanism of Layered Rock Mass
Shock and VibrationLayered joints significantly affect the propagation and attenuation of engineering blasting stress waves and have a significant influence on rock breakage. In this study, the explosion crack propagation mechanism of a stratified rock mass with weak or no
Jinjing Zuo, Liwei Ma
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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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Study of Impact Dynamic Characteristics and Damage Morphology of Layered Rock Mass
Geofluids, 2022 To explore the dynamic mechanical properties and damage evolution law of the more common layered rock masses in geotechnical engineering, this paper determined the Holmquist–Johnson–Cook (HJC) constitutive model parameters of dolomite, gray sandstone ...
Xingchao Tian, Tiejun Tao, Caijin Xie
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Creep Structure Effect of Layered Rock Mass Based on Acoustic Emission Characteristics
Shock and Vibration, 2021 Investigating the creep structural effect of layered rock mass is of great practical and theoretical significance. In this paper, taking the Muzhailing tunnel as an example, structure effect of layered rock mass based on acoustic emission characteristics
Huichen Xu +4 more
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Meitan kexue jishuLayered rock is a common geological structure of underground engineering construction, drilling and blasting method construction in layered rock is manifested in poor blasting and shaping effect, serious phenomenon of over and under excavation, uneven ...
Jianxin YU +3 more
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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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Numerical Simulation of Stress Arching Effect in Horizontally Layered Jointed Rock Mass [PDF]
Symmetry, 2021 Stress arching effect during the excavation of broken surrounding rock in underground engineering has an important influence on the stability of surrounding rock after underground excavation. To determine the stress arching effect in horizontally layered jointed rock mass, the stress arching characteristics of surrounding rock mass after excavation is ...
Huang, Xiao +3 more
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