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Fracture and Damage of Slit Charge Blasting in the Layered Rock Mass
Applied SciencesDirectional fracture blasting technology of the slit charge has broad application prospects in the drilling and blasting construction of the layered rock mass.
Chenxi Ding +3 more
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Journal of Rock Mechanics and Geotechnical Engineering, 2020 Layered rock mass of significant strength changes for adjacent layers is frequently observed in underground excavation, and dynamic loading is a prevalent scenario generated during excavation.
Sen Wen +3 more
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Research on Damage Evolution Mechanism of Layered Rock Mass under Blasting Load
BuildingsRock mass consists of many discontinuities, such as faults, joints, etc., and layered joints are a common kind of rock mass structure. The joints affect the stress wave propagation, and blasting is an economical and efficient rock fragmentation method ...
Lixiang Xie +5 more
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Investigation of anisotropic strength criteria for layered rock mass
Journal of Rock Mechanics and Geotechnical EngineeringLayered rock mass is a type of engineering rock mass with sound mechanical anisotropy, which is generally unfavorable to the stability of underground works.
Shuling Huang +6 more
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Alexandria Engineering Journal, 2022 The mechanical indices used to describe the anisotropy of layered rock mass are numerous and difficult to be measured. Take the medium - thick horizontal layered limestone rock mass as an example, rock mechanical tests, engineering geological survey ...
Xianmin Han +3 more
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Applied Sciences, 2023 Layered rock mass is a common rock mass structure with diverse forms and complex mechanical properties. Three types of composite layered rock mass prepared using sandstone and shale can be divided into sandwiched type, interbedded type and superimposed ...
Yongxiang Zheng +5 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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Study on the mechanical properties and failure mechanism of a multi-lithologic layered rock mass. [PDF]
HeliyonThe mechanical properties of multi-lithologic reservoir rock masses are complex, and the failure mechanism is not clear. This research belongs to the field of oil and gas exploration and development. Brazilian splitting, and digital image correlation (DIC) tests were performed to study the mechanical properties and failure mechanism of assemblages ...
Zeng B +6 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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Energy Science & EngineeringCoal‐measure strata is a typical layered structure, a better understanding of the bearing characteristics of fully grouted bolts in layered rock mass is of great significance for roadway support.
Yunlou Du +4 more
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