Results 21 to 30 of about 120,559 (311)

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

Revisiting rock classification to estimate rock mass properties

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2019
This paper presents the results of ongoing research carried out by the author exploring methods to provide a more robust estimate of rock mass properties specifically for use in tunnel design.
Robert Bertuzzi
doaj   +1 more source

A Rock Mass Classification Method for Tuff Tunnel Based on the High-Pressure Gas Expansion Method

open access: yesJournal of Engineering, 2023
A precise rock mass grade result is crucial for directing the tunnel excavation engineering design. A novel rock mass classification method for tuff tunnel based on the high-pressure gas expansion method (HPGEM) was proposed, which was primarily built on
Huaide Peng   +4 more
doaj   +1 more source

Classification Method and Application of Rock Fracture Ability by Supercritical CO2 Blasting

open access: yesShock and Vibration, 2022
In order to study the fracture ability classification of rock mass under the cracking action of supercritical CO2 phase transition, based on the classification theory of rock mass in blasting engineering, an analytic hierarchy process (AHP)-entropy ...
Xiaohong Zhu, Jianhong Jia, Zhongwei Cai
doaj   +1 more source

Principles of risk‑based rock engineering design

open access: yes, 2020
In comparison with other types of construction, the development of rock engineering design codes has been slow. Codesmust, however, be developed with relevant discipline-specific characteristics in mind.
Palmstrøm, Arild   +7 more
core   +1 more source

Study on Interfacial Crack Initiation of Jointed Rock Mass Based on Interface Fracture Mechanics

open access: yesFractal and Fractional, 2022
The fracture of interfacial crack is the main failure type of jointed rock mass. Therefore, it is very important to study the interfacial fracture of jointed rock mass. For the similarity of jointed rock mass and composites (all are composed by two parts,
Wei Gao, Xin Chen, Chengjie Hu
doaj   +1 more source

Assessment of block size distribution in fractured rock mass and its influence on rock mass mechanical behavior

open access: yesAIP Advances, 2020
The response of rock mass to engineering activities related to environment greatly depends on the scale of rock mass. Therefore, the scale dependency of rock mechanical behavior under different rock mass conditions is investigated in this research.
Wenli Yao   +2 more
doaj   +1 more source

Study on the Creep and Fracture Evolution Mechanism of Rock Mass with Weak Interlayers

open access: yesAdvances in Materials Science and Engineering, 2022
To study the influence of weak interlayers on the creep failure characteristics of rock masses, based on the continuous-discontinuous method (CDEM), the uniaxial compression creep experiments of rock masses containing weak layers were numerically ...
Na Zhao   +3 more
doaj   +1 more source

Drill Monitoring for Rock Mass Grouting : Case Study at the Stockholm Bypass

open access: yes, 2021
In tunneling, rock mass grouting is a method applied to reduce water ingress. Grouting is influenced by rock mass conditions, especially apertures, frequency, and continuation of fracturing.
Schunnesson, Håkan,   +3 more
core   +1 more source

Experimental study on strength and failure characteristics of sandstone rock mass with complex cataclastic structure using 3D printing models

open access: yesScientific Reports, 2023
A cataclastic rock mass is a poor type of engineering geological rock mass. The determination of the shear failure characteristics and shear strengths of cataclastic rock masses can provide key basis for the design and construction of infrastructure ...
Shan Dong, Zhichun Lu, Xi Hu
doaj   +1 more source

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