Results 31 to 40 of about 38,375 (314)

Inner core composition paradox revealed by sound velocities of Fe and Fe-Si alloy

Nature Communications, 2022
The origin of the observed low shear wave velocity in the solid inner core is unclear. Here, the authors report shear wave velocities of iron and iron-silicon alloy under Earth’s core conditions by shock compression and find that neither the effect of ...
Haijun Huang, Lili Fan, Xun Liu, Feng Xu, Ye Wu, Gang Yang, Chunwei Leng, Qingsong Wang, Jidong Weng, Xiang Wang, Lingcang Cai, Yingwei Fei   +11 more
doaj   +1 more source

Uso de geofísica para determinar el perfil de suelo en las formaciones geológicas de la ciudad de Ocaña, Norte de Santander

Mundo Fesc, 2022
Currently, the use of geophysical techniques to establish the shear wave velocity profile of a soil is widespread. One of these techniques is microtremor refraction, which uses ambient noise to measure the shear wave velocity (Vs), a parameter that ...
Romel Jesús Gallardo-Amaya, Luís Fernando Ortega-Lozano, Gustavo Guerrero-Gómez   +2 more
doaj   +1 more source

Measurement of Shear Wave Velocities of Sand in A Centrifuge

Soils and Foundations, 1992
ABSTRACT A method of measuring the shear wave velocities of sand in a centrifuge is presented. The generation and propagation of seismic waves are modelled within the framework of elastodynamics. An experimental system to measure the shear wave velocities was developed with a disk-shaped piezo-electric oscillator as a seismic wave generator.
KITA, KATSUTOSHI, SHIBATA, TORU, YASHIMA, ATSUSHI, KOBAYASHI, SHUNICHI   +3 more
openaire   +1 more source

Relationship between Shear Wave Velocity and SPT-N Value for Residual Soils

MATEC Web of Conferences, 2018
The shear wave velocity (Vs) is an important dynamic parameter in the field of geotechnical engineering. One of the surface wave methods is Spectral Analysis of Surface Wave (SASW) has received attention in obtaining the shear wave velocity (Vs) profile ...
Bawadi Nor Faizah, Jafri Nur Jihan Syamimi, Mansor Ahmad Faizal, Ab Rahim Mohd Asri   +3 more
doaj   +1 more source

Shear wave velocity and shear modulus of silty sand

Japanese Geotechnical Society Special Publication, 2016
Conference Theme: New Innovations and ...
Yang, J, Liu, X
openaire   +3 more sources

Spectral-Element Simulations of 3-D Seismic Wave Propagation and Applications to Source and Structural Inversions [PDF]

, 2006
This thesis presents a concise introduction to the spectral-element method and its applications to the simulation of seismic wave propagation in 3-D earth models.
Liu, Qinya
core   +1 more source

Estimating the Shear-Wave Velocities of Shallow Sediments in the Yellow Sea Using Ocean-Bottom-Seismometer Multicomponent Scholte-Wave Data

Frontiers in Earth Science, 2022
Scholte-wave dispersion analysis is effective at imaging the relatively low shear-wave velocity of shallow marine sediments in marginal seas. The combination of a four-component ocean-bottom-seismometer (OBS) and a towed air-gun source can economically ...
Yuan Wang, Yuan Wang, Qingyu You, Qingyu You, Qingyu You, Tianyao Hao, Tianyao Hao, Tianyao Hao, Tianyao Hao   +8 more
doaj   +1 more source

In situ shear wave velocity from multichannel analysis of surface waves (MASW) tests at eight Norwegian research sites

, 2007
The Multichannel Analysis of Surface Waves (MASW) technique, used to determine shear wave velocity (Vs) and hence small strain stiffness (Gmax), has recently generated considerable interest in the geophysics community.
Long, Michael, Long, Michael (Michael M.), Donohue, Shane   +2 more
core   +1 more source

Establishing normal values for shear-Wave elastography of the renal cortex in healthy adults

Journal of Medical Ultrasound, 2018
Background: Shear-wave elastography of the kidney has emerged as a potential clinical application of this novel imaging tool. However, normal velocity values for shear-wave elastography involving the cortex of healthy kidneys have not been definitively ...
Ranjit S Sandhu, James Shin, Natasha E Wehrli, Jing Gao   +3 more
doaj   +1 more source

Development a Statistical Relationship between Compressional Wave Velocity and Petrophysical Properties from Logs Data for JERIBE Formation ASMARI Reservoir in FAUQI Oil Field

Iraqi Journal of Chemical and Petroleum Engineering, 2021
The Compressional-wave (Vp) data are useful for reservoir exploration, drilling operations, stimulation, hydraulic fracturing employment, and development plans for a specific reservoir.
Qahtan Adnan Abdul Aziz, Hassan A. Abdul Hussein   +1 more
doaj   +1 more source