Results 21 to 30 of about 16,681 (248)

A Comparison between Simple Shear and Triaxial Tests for Evaluating the Variations of G and D with Matric Suction [PDF]

open access: yesE3S Web of Conferences, 2019
Shear modulus (G) and damping ratio (D) are both well known as principal soil dynamic parameters. In the present study, cyclic triaxial and simple shear tests are performed on Firuzkuh silica sand at various shear strain amplitudes using the developed ...
Fakharian Kazem   +2 more
doaj   +1 more source

Behaviour of saturated sand under cyclic loading: Model approach with experimental validation [PDF]

open access: yesE3S Web of Conferences
This study presents a comparison between triaxial test results and constitutive model simulations for saturated sand subjected to a wide range of stress, relative density and both monotonic and cyclic loadings.
Velayudham Jotheeshwar   +3 more
doaj   +1 more source

Long-Term Cyclic Triaxial Tests With Dem Simulations

open access: yesPARTICLES 2017, V International Conference on Particle-based Methods – Fundamentals and Applications, 2017
The present paper presents the capability of Discrete Element Method (DEM) to simulate a long-term cyclic drained triaxial test (up to 100,000 cycles). The results regard the progressive accumulation of plastic strain as function of the number of particles and the initial particles rearrangement.
Zorzi, Gianluca   +3 more
openaire   +4 more sources

An appraisal of end conditions in advanced monotonic and cyclic triaxial testing on a range of geomaterials [PDF]

open access: yesE3S Web of Conferences, 2019
Compressing samples between rigid platens, as in triaxial testing, induce non-uniform specimen stress, strain and pore water distributions. Although well recognised historically, the effects of such platen restraints are often disregarded or overlooked ...
Vinck Ken   +3 more
doaj   +1 more source

Experimental study on liquefaction characteristics of marine fine-grained sand based on critical state theory

open access: yesYantu gongcheng xuebao, 2023
The consolidated undrained triaxial shear tests and coupled axial-torsional cyclic shear tests are conducted using the marine fine-grained sand to study the correlation between the critical state parameter and the liquefaction characteristics based on ...
CAI Shixing , TANG Yi , GUAN Yunfei
doaj   +1 more source

Stiffness of clays and silts: Modeling considerations [PDF]

open access: yes, 2014
A large database has recently been published that details the development of new empirical expressions for the stiffness reduction with strain of clays and silts.
Bolton, Malcolm, Vardanega, Paul J
core   +2 more sources

Explicit Modeling of the Cyclic Behavior under a Large Number of Cycles: Application to the Case of Sand

open access: yesSelected Scientific Papers: Journal of Civil Engineering, 2022
The estimation of deformations after a large number of cycles is a major concern of geotechnical engineers. This paper presents an explicit formulation of the accumulated cyclic volumetric strain.
Eddine Djessas Imed   +2 more
doaj   +1 more source

Removal of the membrane penetration error during evaluation of triaxial data

open access: yesOpen Geomechanics, 2021
Most triaxial tests are fraught with substantial membrane penetration errors. A simple correction procedure for data obtained from various tests is proposed. In particular, a correction of the undrained cyclic stress paths is presented in detail.
Andrzej Niemunis, Lukas Knittel
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

Indirect verification of suction in cyclic UCS tests of a chemically stabilized soil [PDF]

open access: yesE3S Web of Conferences
The present study aims to indirectly evaluate the occurrence of suction and its effects in laboratory tests of a chemically stabilized soft soil. To achieve these goals, a series of unconfined compressive strength (UCS) and triaxial tests were performed,
Martins Ligia A.   +3 more
doaj   +1 more source

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