Results 21 to 30 of about 15,635,642 (352)

Triaxial Testing of Frozen Sand [PDF]

open access: yesJournal of Glaciology, 1981
AbstractTriaxial testing of frozen saturated Ottawa sand under confined compression was carried out under hydrostatic pressures varying between 0.1 and 75 MPa at a temperature of -10°C and strain-rate 7.7×10-5s-1. Yield and failure stresses increased with increasing hydrostatic pressures up to about 40 MPa, beyond which the stresses dropped.
Parameswaran, V. R., Jones, S. J.
openaire   +2 more sources

Scale effect of rockfill materials and its influences on deformation and stress analysis of Aertashi CFRD

open access: yesYantu gongcheng xuebao, 2021
The influences of scale effect on the numerical analysis after construction stage of Aertashi CFRD are studied based on the super-large triaxial (800 mm in sample diameter and 160 mm in the maximum particle size) and commonly large triaxial (300 mm in ...
NING Fan-wei 1, 2, KONG Xian-jing 1, 2, ZOU De-gao 1, 2, LIU Jing-mao 1, 2, YU Xiang 3, ZHOU Chen-guang 1, 2
doaj   +1 more source

Study on Failure Difference of Hard Rock Based on a Comparison Between the Conventional Triaxial Test and True Triaxial Test

open access: yesFrontiers in Earth Science, 2022
The study on the failure difference of deep hard rock based on the comparison between conventional and true triaxial tests can help us better understand the fracture processes and failure characteristics of the deep rock mass.
Guoqiang Zheng   +9 more
doaj   +1 more source

An experimental study of the triaxial expansion force of red-bed mudstone

open access: yesShuiwen dizhi gongcheng dizhi, 2022
Aiming at the problem that the swelling force of the red-bed mudstone is smaller than the theoretical value according to the code, this paper develops a triaxial swelling force device for the swelling rock.
Yongchun GUO   +3 more
doaj   +1 more source

A Novel Procedure to Measure Membrane Penetration of Coarse Granular Materials

open access: yesApplied Sciences, 2022
The membrane penetration effect will significantly influence the measurement of specimen volume deformation in the triaxial test. This paper presents a novel procedure for measuring and correcting the membrane penetration of rubber by using a newly ...
Weiwei Xu   +3 more
doaj   +1 more source

DEM modeling of large-scale triaxial test of rock clasts considering realistic particle shapes and flexible membrane boundary

open access: yesEngineering Geology, 2020
This paper presents a novel framework for the discrete modeling of the large-scale triaxial test of rock clasts, considering both the realistic particle shapes and veritable flexible boundary condition.
Junqi Zhang   +3 more
semanticscholar   +1 more source

Triaxial test and strength analysis of root-soil composite

open access: yesShuiwen dizhi gongcheng dizhi, 2022
The root system of vegetation has a significant effect on soil strength. The existing studies lack an analytical description of the stress state during root-soil complex failure. To quantify the contribution of vegetation roots to soil strength, a series
Caiyin ZHONG   +3 more
doaj   +1 more source

Triaxial test (Consolidated Undrained loading)

open access: yes, 2023
A 3D animated representation of the triaxial test (Consolidated Undrained loading), created with ...
Maghoul, Pooneh   +1 more
core   +2 more sources

Experimental Study on Mechanical Properties of Gas Storage Sandstone and Its Damage Under Temperature and Pressure

open access: yesFrontiers in Earth Science, 2022
With the ever-increasing demand for energy, energy mining is developing in the deep underground. In this paper, a conventional triaxial test and a triaxial test at different temperatures (45 MPa confining pressure) have been carried out for sandstone in ...
Xiaoping Wang   +5 more
doaj   +1 more source

Determination method of rock characteristic stresses based on the energy growth rate

open access: yesFrontiers in Earth Science, 2023
Introduction: Precisely determining the characteristic stress value of a rock progressive failure process has important theoretical and practical significance for reasonably defining the rock deformation and failure stage, mechanical mechanism, and ...
Xiaohui Liu   +6 more
doaj   +1 more source

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