Results 1 to 10 of about 5,249 (152)

Dynamic compression characteristics of layered rock mass of significant strength changes in adjacent layers

open access: yesJournal 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
doaj   +4 more sources

Fracture and Damage of Slit Charge Blasting in the Layered Rock Mass

open access: yesApplied Sciences
Directional 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
doaj   +4 more sources

Investigation of anisotropic strength criteria for layered rock mass

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
Layered 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
doaj   +4 more sources

Research on Damage Evolution Mechanism of Layered Rock Mass under Blasting Load

open access: yesBuildings
Rock 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
doaj   +4 more sources

Virtual reality assisted techniques in field tests and engineering application of the mechanical parameters of a horizontally layered rock mass

open access: yesAlexandria 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
doaj   +3 more sources

An Experimental Investigation on Mechanical Properties and Failure Characteristics of Layered Rock Mass

open access: yesApplied 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
doaj   +3 more sources

Study on the mechanical properties and failure mechanism of a multi-lithologic layered rock mass. [PDF]

open access: yesHeliyon
The 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
europepmc   +4 more sources

Investigation on the pullout bearing properties and stress characteristics of fully grouted bolts in layered rock mass

open access: yesEnergy Science & Engineering
Coal‐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
doaj   +2 more sources

Integrated UAV photogrammetry and SMRM constitutive modeling for spatial stability assessment of layered rock slopes. [PDF]

open access: yesPLoS ONE
Layered 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
doaj   +2 more sources

The Explosive Crack Propagation Mechanism of Layered Rock Mass

open access: yesShock and Vibration
Layered 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
doaj   +2 more sources

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