Results 11 to 20 of about 56,233 (193)

Creep-fatigue life evaluation of high chromium ferritic steel under non-proportional loading [PDF]

open access: yesFracture and Structural Integrity, 2016
T Multiaxial creep-fatigue tests under non-proportional loading conditions with various strain rates were carried out using a hollow cylinder specimen of a high chromium ferritic steel at 823K in air to discuss the influence of non-proportional loading ...
T. Morishita   +3 more
doaj   +2 more sources

Stress path dependent small strain stiffness of Shanghai clay [PDF]

open access: yesE3S Web of Conferences, 2019
The soil small strain stiffness plays an important role in many geotechnical applications such as machine foundations, deep excavations and earthquake ground response analysis.
Gu Xiaoqiang   +3 more
doaj   +1 more source

The Deformation Behavior and Failure Modes of Surrounding Rock after Excavation: A Experimental Study

open access: yesShock and Vibration, 2023
The deformation and failure of the surrounding rock during roadway excavation often determine the choice of supporting methods. To study the deformation behavior and failure modes of the surrounding rock after excavation under unloading stress ...
Jinping Liang   +3 more
doaj   +1 more source

Effect of principal stress direction during consolidation on the shear strength properties of natural granite residual soil

open access: yesSoils and Foundations, 2022
In numerous real-life civil engineering practices, including multi-stage embankment construction and foundation pit excavation, the direction of the major principal stress σ1 becomes rotated.
Xinyu Liu   +4 more
doaj   +1 more source

Experimental study on sand anisotropy using hollow cylinder apparatus

open access: yesSoils and Foundations, 2023
This study investigated sand anisotropy experimentally using a hollow cylinder apparatus. The effect of the initial anisotropy on the shear behavior of sand was illustrated by conducting experiments on specimens with bedding planes and systematically ...
Shotaro Yamada   +3 more
doaj   +1 more source

Fatigue Testing and Evaluation of Fatigue Strength under Multiaxial Stress State; Why do we need fatigue testing?

open access: yesMATEC Web of Conferences, 2018
Types of multiaxial fatigue tests and their experimental results are presented in this paper. There are typical three types in multiaxial fatigue tests: the combining push-pull and reversed torsion loading test using hollow cylinder specimen, the biaxial
Itoh Takamoto   +2 more
doaj   +1 more source

The stress-strain state of cylindrical sample from alloy D16T under axial tension and torsion creep

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2013
The method for calculation of cylindrical sample rheological deformation and fracture in creep conditions for three types of stress state: tension, pure torsion, the combined effect of tensile load and torque is offered.
Vladimir P Radchenko, Vitaliy V Tsvetkov
doaj   +3 more sources

PCA Based Stress Monitoring of Cylindrical Specimens Using PZTs and Guided Waves

open access: yesSensors, 2017
Since mechanical stress in structures affects issues such as strength, expected operational life and dimensional stability, a continuous stress monitoring scheme is necessary for a complete integrity assessment. Consequently, this paper proposes a stress
Jabid Quiroga   +4 more
doaj   +1 more source

Influence of Deviatoric Stress on the Deformation and Damage Evolution of Surrounding Rock under Unloading Conditions

open access: yesShock and Vibration, 2020
The study of the deformation and damage evolution behaviour of surrounding rock under excavation unloading conditions is of vital importance for a deep understanding of the mechanism of roadway failure.
Gongyu Hou   +6 more
doaj   +1 more source

Development of Tension-Torsion Multiaxial Creep Testing Apparatus for Heat Resisting Steel

open access: yesMATEC Web of Conferences, 2018
This paper describes development of a combined tensiontorsion multiaxial creep testing apparatus for heat resisting steel. It is essential for high temperature component designing to investigate creep rupture life and creep properties of heat resisting ...
Hiyoshi Noritake, Iriyama Yoshihisa
doaj   +1 more source

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