Results 31 to 40 of about 14,344 (210)

Experimental and Numerical Study of Strength and Failure Behavior of Precracked Marble under True Triaxial Compression

open access: yesShock and Vibration, 2021
Cracks play an important role in evaluating the strength and failure behavior of engineering rock mass. In order to increase the understanding of strength and failure mechanism of precracked rock, crack propagation and coalescence from preexisting cracks
Yong Han, Yuemao Zhao, Jinglong Li
doaj   +1 more source

Micromechanical analysis of kinematic hardening in natural clay [PDF]

open access: yes, 2009
This paper presents a micromechanical analysis of the macroscopic behaviour of natural clay. A microstructural stress-strain model for clayey material has been developed which considers clay as a collection of clusters.
Academy of Finland (Grant 210744) (Funder)   +9 more
core   +1 more source

Tensor compaction of porous rocks: theory and experimental verification

open access: yesЗаписки Горного института, 2022
Compaction in sedimentary basins has been traditionally regarded as a one-dimensional process that ignores inelastic deformation in directions orthogonal to the active load.
Ivan A. Panteleev   +5 more
doaj   +1 more source

Effects of intermediate principal stress on creep closure of storage caverns in Maha Sarakham salt [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2017
True triaxial creep tests are performed to determine the effects of the intermediate principal stress on the timedependent behavior of the Maha Sarakham salt.
Sarayuth Archeeploha   +2 more
doaj   +1 more source

Preliminary Study on Post-Peak Behavior and Fracture Characteristics of Hard Rock Under True Triaxial Stress

open access: yesFrontiers in Earth Science, 2022
The post-peak behavior and fracture characteristics of hard rock are correlated with the stability and bearing capacity of engineering rock mass. However, there are relatively few research studies on the post-peak mechanical behavior and fracture ...
Feng Zeng   +12 more
doaj   +1 more source

Acoustic characterization of crack damage evolution in sandstone deformed under conventional and true triaxial loading [PDF]

open access: yes, 2017
We thank the Associate Editor, Michelle Cooke, and the reviewers, Ze'ev Reches and Yves Guéguen, for useful comments which helped to improve the manuscript. We thank J.G.
Browning, J.   +5 more
core   +2 more sources

Mechanical behaviors and constitutive model for unsaturated soils

open access: yesYantu gongcheng xuebao, 2023
The ground surface soils are almost unsaturated, especially in arid and semi-arid areas, and the engineering problems of unsaturated soils cannot be properly explained and dealt with by the saturated soil mechanics and the relevant experimental means ...
SUN De'an
doaj   +1 more source

Modified true triaxial Hoek-Brown criterion considering intermediate principal stress effect

open access: yesMeitan kexue jishu
In order to improve the Hoek-Brown strength criterion not considering the influence of intermediate principal stress on rock strength, the evolutions of rock strength were investigated according to the results of the rock true triaxial compression test ...
Yapeng LI   +3 more
doaj   +1 more source

Acoustic Emission b Value Characteristics of Granite under True Triaxial Stress

open access: yesMathematics, 2022
The acoustic emission b value is an important and widely used parameter for the early prediction of rock fractures. In this study, five groups of true triaxial compression tests were conducted on granite specimens to analyze changes in b value during the
Longjun Dong   +4 more
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

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