Results 11 to 20 of about 50,017 (258)

Test and application of self-stress slurry reinforcement for fractured rock masses with different strength

open access: yesMeitan xuebao, 2023
Based on the self-stress slurry reinforcement method for fractured rock mass proposed by the authors, considering the influence of rock strength on the coupling effect of self-stress slurry and rock mass, the paper selected underground sandstone ...
Jinpeng ZHANG   +8 more
doaj   +1 more source

Dynamic strength of rocks and physical nature of rock strength

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2009
Abstract:Time-dependence of rock deformation and fracturing is often ignored. However, the consideration of the time-dependence is essential to the study of the deformation and fracturing processes of materials, especially for those subject to strong dynamic loadings.
Qian, Qihu, Qi, Chengzhi, Wang, Mingyang
openaire   +1 more source

Assessment of rock fragmentation and strength properties using the Rosin-Rammler and Extended Swebrec Distribution functions parameters [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2022
This work assessed the curve fitting ability of Rosin-Rammler and Swebrec functions and the comparison of their fitting parameters with rock strength properties.
Victor Akinbinu   +2 more
doaj   +1 more source

Effect of Intermediate Principal Stress on the Strength, Deformation, and Permeability of Sandstone

open access: yesEnergies, 2018
Although the mechanical behaviors and flow aspects of sandstone have been previously investigated, studies of the effect of the intermediate principal stress (σ2) on the strength, deformation, and permeability of sandstone are lacking. In this work,
Zhenlong Song   +5 more
doaj   +1 more source

Estimation of uniaxial compressive and indirect tensile strengths of intact rock from Schmidt hammer rebound number

open access: yesJournal of the Mechanical Behavior of Materials, 2023
A number of destructive and non-destructive tests were conducted on rock samples collected from various zones in northern Iraq. So far, for Iraqi rocks, few studies have correlated Schmidt hammer rebound (R) with both unconfined compressive strength (UCS)
Fadhil Amjad Ibrahim   +2 more
doaj   +1 more source

A new method for determining strength parameters of rock using digital drilling technology

open access: yesFrontiers in Earth Science, 2023
Fast and accurate prediction for mechanical parameters of rock mass is an important prerequisite for guiding the safe construction of rock engineering.
Guo Qiang, Xudong Ma, Xinxing Liu
doaj   +1 more source

ROCK MASS QUALITY EFFECTED BY LINEAMENT USING ROCK MASS RATING (RMR)– CASE STUDY FROM FORMER QUARRY SITE [PDF]

open access: yesEarth Science Malaysia, 2017
Lineament plays major role in stability and strength of rock mass. The presence of lineaments will decrease the strength of rock mass. Lineament can be identified or trace using topographic map, aerial photographs or satellite images. In this research,
Hamzah   +3 more
doaj   +1 more source

Practical Applications of Strength Criteria in Civil Engineering Designs for Shallow Tunnels in Weak Rock

open access: yesInternational Journal of Technology, 2019
A number of rock strength criteria are available for use in civil engineering designs. Although considerable uncertainty in geological conditions and variability in rock properties is involved in estimating rock mass strength, it may be necessary to ...
Didi S Agustawijaya
doaj   +1 more source

A New Method for Predicting Residual Strength of Rock in Water Diversion Tunnel Using Drilling Process Monitoring

open access: yesShock and Vibration, 2022
The peak and residual strengths of rock materials are important parameters for the stability evaluation of rock engineering, especially water diversion tunnels.
Wanfei Gao
doaj   +1 more source

Geological process and carbon cycle significance of graphite carbon material in faults and subduction zones

open access: yes地质科技通报, 2022
Carbon is a common element in nature that exists in various forms, including single minerals (e.g., graphite and diamond), compounds (e.g., carbonate and carbon dioxide) and organic carbon in organisms.
Shuyun Cao, Dingkui Zhou
doaj   +1 more source

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