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Experimental study on mechanical properties of 3D Printed layered rock like materials [PDF]

open access: yesScientific Reports
Layered rocks are prevalent in the Earth’s crust and are frequently encountered in underground engineering construction. Due to their pronounced anisotropy, the deformation and failure mechanism of layered rock are complex.
Zijie Hong   +3 more
doaj   +2 more sources

Similar simulation test of the mechanical properties of layered composite rock mass

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

Layered grouting reinforcement technology for coal–rock composite roof: A treatment system based on model experiments [PDF]

open access: yesScientific Reports
Severe deformation and support failure of coal–rock composite roofs are widely encountered in deep mining roadways, posing significant challenges to long-term roadway stability.
Ze Liao   +4 more
doaj   +2 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   +1 more source

Dynamic Monitoring and Stability Analysis of Rock-bolted Crane Girder In large Cavern With Layered Surrounding Rock [PDF]

open access: yesE3S Web of Conferences, 2020
The large and medium-sized hydropower projects underground cavern group are basically in relatively integrate surrounding rock, so there are few engineering examples in layered surrounding rock with type III surrounding rocks as the main rock, and lack ...
Liu Jing   +3 more
doaj   +1 more source

Study of Impact Dynamic Characteristics and Damage Morphology of Layered Rock Mass

open access: yesGeofluids, 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
doaj   +1 more source

Study on the effect of rock stratum structure on the stability of weakly cemented layered floor and the floor control measures: A case study of Meihuajing Mine

open access: yesEnergy 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
doaj   +1 more source

Experimental Study of the Plastic Zone and Stress Asymmetric Distribution in Roadway Layered Surrounding Rocks

open access: yesApplied Sciences, 2022
A three-axis experimental simulation model was established for a roadway with layered surrounding rock by a 20 MPa true triaxial analog simulation equipment, and the corresponding layered surrounding rock numerical simulation model was established by ...
Jiaren Chen   +5 more
doaj   +1 more source

Optimization of direct-hole cutting blasting technology for deep-buried layered surrounding rock diversion tunnels

open access: yes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
doaj   +1 more source

Modeling of deformation processes in rock massif in the vicinity of underground goafs considering the formation of discontinuity zones

open access: yesTheoretical and Applied Mechanics Letters, 2020
: The construction of mechanical-mathematical model and numerical method for the deformation processes of rock massifs with goafs and underground structures is very complex and also important task in modern rock mechanics.
Michael Zhuravkov   +2 more
doaj   +1 more source

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