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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Research on the Layered Rock Mass Excavation Relaxation Stability of Underground Caverns [PDF]
E3S Web of Conferences, 2020 In order to compare the influence of rock mass parameters weakening on the deformation and stability of excavation caverns in layered rock mass, based on power generation system caverns of a hydropower station, the stability and deformation of the ...
Zhang Ying +3 more
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The Blasting Vibration Characteristics of Layered Rock Mass under High-Pressure Gas Impact
Energies, 2023 Firstly, the experimental test of blasting vibration was carried out to study the propagation characteristics of the peak particle velocity (PPV) and dominant frequency (DF) of the blasting vibration of layered rock mass under high-pressure gas impact ...
Haixia Wei +4 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 ...
Xiao Huang +3 more
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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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Seismic Responses and Damage Mechanisms of Deep-Buried Underground Powerhouse in Layered Rock Mass
Shock and Vibration, 2022 Layered rock mass generally has adverse effects on the seismic stability of deep-buried underground powerhouses. Aiming at the complexity of seismic wave field in deep-buried underground powerhouses, the obliquely input methods of P and SV waves ...
Meng Zhao +3 more
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Prediction of Blasting Vibration Velocity of Layered Rock Mass under Multihole Cut Blasting
Shock and Vibration, 2021 In the blasting construction of underground engineering in layered rock mass, the mechanism of cut blasting and the propagation law of blasting vibration waves are very complex.
Jie Zhu +3 more
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Applied Sciences, 2022 To investigate the seismic response of layered rock sites, a multidomain analysis method was proposed. Three finite element models with infinite element boundaries for layered sites were analysed.
Lihu Dong, Danqing Song, Guangwei Liu
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Experimental study on the shear failure of layered rock bridges [PDF]
Frontiers in Earth Science, 2023 The structural face of rock plays a decisive role in the stability of geotechnical engineering, and the mechanism of failure destabilization of layered rock masses is still unclear.
Jianxin Yu +7 more
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