Results 11 to 20 of about 1,909,198 (259)
Verification of a novel stress path method by true-triaxial test [PDF]
Scientific ReportsTo verify the novel method of achieving a true-triaxial stress path with the pseudo-triaxial apparatus, a series of drained and undrained tests were carried out for the identical scheme with pseudo-triaxial apparatus and true-triaxial apparatus ...
Zhigang Ma, Xuefeng Li, Longlong Lv
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Effect of true triaxial principal stress unloading rate on strain energy density of sandstone [PDF]
Scientific ReportsDeep rock are often in a true triaxial stress state. Studying the impacts of varying unloading speeds on their strain energy (SE) density is highly significant for predicting rock stability.
Zhixi Liu +3 more
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Study of the mechanical characteristics of coal-serial sandstone after high temperature treatment under true triaxial loading [PDF]
Scientific Reports, 2023 In this study, a series of true triaxial loading tests were carried out on coal-measure sandstone after high temperature treatment by using a self-developed true triaxial test system combined with acoustic emission (AE) monitoring, and the mass loss ...
Shuai Wang +5 more
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A novel true triaxial test system for microwave-induced fracturing of hard rocks
Journal of Rock Mechanics and Geotechnical Engineering, 2021 This study introduces a test system for microwave-induced fracturing of hard rocks under true triaxial stress. The test system comprises a true triaxial stress loading system, an open-ended microwave-induced fracturing system, a data acquisition system ...
Xia-Ting Feng +6 more
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New method for true-triaxial rock testing [PDF]
International Journal of Rock Mechanics and Minings Sciences, 1997 Two new and related true-triaxial apparatus are described that make use of conventional triaxial pressure vessels in combination with specially configured, high-pressure hydraulic jacks inside these vessels.
Carlson, L. W. +7 more
exaly +3 more sources
Fractal and FractionalTo study the fractal characteristics and energy evolution of sandstones under true three-dimensional stress states, a true triaxial compression test and a cyclic loading and unloading test of sandstone specimens under different loads were carried out ...
Qihang Zhang +2 more
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Deformation, fracture characteristics and damage constitutive model of soft coal under true triaxial complex stress paths. [PDF]
PLoS ONEUnderstanding the mechanical properties and damage deterioration mechanisms of soft coal under true triaxial complex stress paths is crucial for predicting and evaluating the stability of the roof during roadway excavation in thick soft coal seams.
Chongyang Jiang +3 more
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Fractal and FractionalTo investigate the mechanical properties and energy evolution laws of rocks under true triaxial unloading conditions, a study was conducted using a true triaxial rock testing system on three different types of rocks: coal, sandy mudstone, and siltstone ...
Cheng Pan +5 more
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International Journal of Mining Science and Technology, 2022 It has become an inevitable trend of human development to seek resources from the deep underground. However, rock encountered in deep underground engineering is usually in an anisotropic stress state (σ1>σ>σ3) due to the influences of geological ...
Heping Xie +4 more
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True Triaxial Strength Testing of Sandstones [PDF]
Proceedings, 2013 Laboratory rock mechanical tests allow estimation of rock strength and deformation behaviour under stress states similar to the in-situ conditions. In general, the in-situ stresses are described by three principal stresses, the vertical, maximum and ...
Dewhurst, D. +2 more
core +2 more sources