Results 21 to 30 of about 330,923 (308)

Influence of Hold Time and Stress Ratio on Cyclic Creep Properties Under Controlled Tension Loading Cycles of Grade 91 Steel

open access: yesNuclear Engineering and Technology, 2017
Influences of hold time and stress ratio on cyclic creep properties of Grade 91 steel were systemically investigated using a wide range of cyclic creep tests, which were performed with hold times (HTs) of 1 minute, 3 minutes, 5 minutes, 10 minutes, 20 ...
Woo-Gon Kim   +4 more
doaj   +1 more source

Effect of normal stress on cyclic simple-shear behavior of gravel-structure interface

open access: yesRock and Soil Mechanics, 2021
The cyclic simple-shear behavior of soil-structure interfaces under different normal stresses is of great significance in theoretical analysis and engineering practices.
FENG Da-kuo, ZHANG Jian-min
doaj   +1 more source

Modeling the Effects of Particle Shape on Damping Ratio of Dry Sand by Simple Shear Testing and Artificial Intelligence

open access: yesApplied Sciences, 2023
This study investigates the effects of sand particle shape, in terms of roundness, sphericity and regularity, on the damping ratio of a dry sand material.
Abolfazl Baghbani   +4 more
doaj   +1 more source

Shape memory performance of asymmetrically reinforced epoxy/carbon fibre fabric composites in flexure [PDF]

open access: yes, 2013
In this study asymmetrically reinforced epoxy (EP)/carbon fibre (CF) fabric composites were prepared and their shape memory properties were quantified in both unconstrained and fully constrained flexural tests performed in a dynamic mechanical analyser ...
J. Karger-Kocsis, M. Fejos
core   +2 more sources

Permanent Deformation Characteristics of Coarse Grained Subgrade Soils under Train-Induced Repeated Load

open access: yesAdvances in Materials Science and Engineering, 2017
This paper presents the results of a laboratory experiment that aimed to characterize the permanent deformation behavior of coarse grained soils. To evaluate the effects of the cyclic stress amplitude, initial mean stress, and initial stress ratio on the
Xianzhang Ling   +5 more
doaj   +1 more source

Deformation and cyclic resistance of sand in large-strain undrained torsional shear tests with initial static shear stress

open access: yesSoils and Foundations, 2021
This paper presents the findings from an experimental study focusing on the undrained cyclic behavior of sand in the presence of initial static shear stress.
Muhammad Umar   +3 more
doaj   +1 more source

Experimental study on cyclic shear stiffness and damping ratio of carbonate sand-steel interface

open access: yesRock and Soil Mechanics, 2020
The dynamic response of carbonate sand-steel interface is of great significance to the safety and stability of the structure foundations which are constructed under reef geotechnical conditions.
RUI Sheng-jie   +4 more
doaj   +1 more source

Assessment of cyclic deformation and critical stress amplitude of jointed rocks via cyclic triaxial testing

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2023
Jointed rock specimens with a natural replicated joint surface oriented at a mean dip angle of 60° were prepared, and a series of cyclic triaxial tests was performed at different confining pressures and cyclic deviatoric stress amplitudes.
Waranga Habaraduwa Peellage   +2 more
doaj   +1 more source

Effects of cyclic loading on lateral bearing capacity of single pile in silty seabed

open access: yesYantu gongcheng xuebao
Under larger wave loading, the bearing capacity of marine single pile foundation will be reduced, even instability occurs. A series of undrained shear triaxial tests on the remolded marine silt in Hangzhou Bay are carried out by means of the GDS triaxial
WANG Mingyuan 1, SUN Jizhu 2, WANG Yong 3, YANG Yang 4
doaj   +1 more source

The Effect of Fiber Orientation and Stress Ratio on the Crack Growth Behavior of Fiber Metal Laminates (FMLs)

open access: yesInternational Journal of Technology, 2018
The crack growth behavior of fiber metal laminates (FMLs) with fiber orientations of 90°/0° and 45°/45° to load direction was investigated with varying stress ratios of the cyclic constant load.
Anindito Purnowidodo   +3 more
doaj   +1 more source

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