Results 21 to 30 of about 1,374,930 (336)

Effect of Mean Grain Size on the Small-Strain Dynamic Properties of Calcareous Sand

open access: yesAdvances in Civil Engineering, 2022
Calcareous sand was selected as the prior material for island reclamation in many coastal regions. The mechanical properties of the granular materials are greatly affected by their grain size distribution conditions.
Liwei Wen
doaj   +1 more source

Rheology and ultrasonic properties of Pt57.5Ni5.3Cu14.7P22.5 liquid [PDF]

open access: yes, 2007
The equilibrium and nonequilibrium viscosity and isoconfigurational shear modulus of Pt57.5Ni5.3Cu14.7P22.5 supercooled liquid are evaluated using continuous–strain-rate compression experiments and ultrasonic measurements. By means of a thermodynamically-
Demetriou, Marios D.   +2 more
core   +1 more source

Enhancing the CPT correlation with the small strain shear stiffness of sands

open access: yesAin Shams Engineering Journal, 2017
The cone penetration test (CPT) is a valuable geotechnical insitu test. Yet, the CPT correlations with the small strain shear modulus and seismic shear wave velocity still need more research to enhance their accuracy.
Sayed M. Ahmed
doaj   +1 more source

Shear modulus and damping ratio of a nonplastic silt at large shear strains [PDF]

open access: yesE3S Web of Conferences, 2019
Site response analyses and solution of dynamic soil-structure interaction problems need determination of variation of shear modulus and damping ratio with shear strain.
Sezer Alper   +2 more
doaj   +1 more source

Bounds of the effective elastic moduli of nanoparticle-reinforced composites based on composite sphere assemblage and interface stress model

open access: yesArchives of Mechanics, 2022
Three different approaches are formulated to obtain the bounds of the effective elastic moduli of nanoparticle-reinforced composites based on the CSA and the interface stress model. It is found that the effective bulk modulus can be obtained by all three
Z. Tang, W. Ye
doaj   +1 more source

Detecting age-related changes in skeletal muscle mechanics using ultrasound shear wave elastography

open access: yesScientific Reports, 2023
Aging leads to a decline in muscle mass and force-generating capacity. Ultrasound shear wave elastography (SWE) is a non-invasive method to capture age-related muscular adaptation.
Filiz Ateş   +2 more
doaj   +1 more source

An experimental study of the dynamic characteristics of the undisturbed laterite under graded cyclic loading

open access: yesShuiwen dizhi gongcheng dizhi, 2022
In order to study the dynamic characteristics of the undisturbed lateritic soil subgrade under cyclic loading, the dynamic triaxial tests of undisturbed laterite are carried out with the SDT-20 dynamic triaxial apparatus.
Rui MU   +5 more
doaj   +1 more source

Reliable in-plane shear modulus for pultruded FRP shapes [PDF]

open access: yes, 2018
Presented is a simple test method to determine the in-plane shear properties of pultruded materials where the mat reinforcement is of random oriented continuous fibres.
Chan, Tak-Ming   +2 more
core   +1 more source

Increased Upper Trapezius Muscle Stiffness in Overhead Athletes with Rotator Cuff Tendinopathy. [PDF]

open access: yesPLoS ONE, 2016
Although excessive tension of the upper trapezius (UT) is thought to contribute to rotator cuff tendinopathy, no study examined UT tension in athletes with and without rotator cuff tendinopathy.
Hio Teng Leong   +2 more
doaj   +1 more source

A new view of the Lindemann criterion [PDF]

open access: yes, 2013
The Lindemann criterion is reformulated in terms of the average shear modulus $G_c$ of the melting crystal, indicating a critical melting shear strain which is necessary to form the many different inherent states of the liquid.
Buchenau, U., Ramos, M. A., Zorn, R.
core   +2 more sources

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