Results 71 to 80 of about 1,757 (214)

The Estimation of Shear Wave Velocity for Shallow Underground Structures in the Central Himalaya Region of Nepal

Geosciences
A subsurface investigation was conducted to assess the suitability of a site for potential tunnel construction, focusing on the determination of shear wave velocities (Vs) in subsurface materials.
Umesh Jung Thapa, Satish Paudel, Umesh Chandra Bhusal, Hari Ghimire, Shyam Sundar Khadka   +4 more
doaj   +1 more source

Investigation Of Device For Geophysical Exploration At Shallow Depth [PDF]

, 2017
The article presents the results of the development of the echolocation device for geophysical exploration at shallow depth. The principle of operation, block diagram and time diagrams of the echolocation device for geophysical exploration at shallow ...
Kuldashev, O. (Obbozzhon), Tojiboev, I. (Ibrohimzhon)   +1 more
core   +2 more sources

Acoustic Signal‐Based Deep Learning Approach and Device for Detecting Interfacial Voids in Steel–Concrete Composite Structures

Advances in Civil Engineering, Volume 2025, Issue 1, 2025.
The reliable synergy between steel and concrete is an important evaluation criterion for the safety and long‐term use of steel–concrete composite structures (SCCSs). However, it is still a great challenge to realize fast and automated interface void detection for composite structures such as towers.
Wei Tian, Hang Yuan, Xinpeng You, Hehui Zheng, Bazhou Li, Chengming Peng, Doo-Yeol Yoo   +6 more
wiley   +1 more source

Joint analysis of shear wave velocity from SH-wave refraction and MASW techniques for SPT-N estimation [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2014
Horizontally polarized shear wave (SH) refraction and multichannel analysis of surface wave (MASW) methods have been carried out in Hatyai City, southern Thailand, a pilot study for site classification, part of the National Earthquake Hazards Reduction
Sawasdee Yordkayhun, Chedtaporn Sujitapan, Tanit Chalermyanon   +2 more
doaj  

Application of high resolution geophysical prospecting to assess the risk related to subsurface deformationin Mexico City [PDF]

Proceedings of the International Association of Hydrological Sciences, 2015
In the eastern sector of Mexico City the sub soil consists of high contrasting sequences (lacustrine and volcanic inter bedded deposits) that favor the development of erratic fracturing in the surface causing damage to the urban infrastructure.
F. A. Centeno-Salas, F. A. Centeno-Salas, D. Carreón-Freyre, W. A. Flores-García, R. I. Gutiérrez-Calderón   +4 more
doaj   +1 more source

Assessing climate effects on railway earthworks Using MASW [PDF]

, 2014
Many parts of the UK’s rail network were constructed in the mid‐19th century long before the advent of modern construction standards. Historic levels of low investment, poor maintenance strategies and the deleterious effects of climate change have ...
Bergamo, P., Chambers, J.E., Dashwood, B., Donohue, S., Gunn, D.A., Hughes, E., Uhlemann, S., Ward, D.   +7 more
core   +2 more sources

A probabilistic full waveform inversion of surface waves

Geophysical Prospecting, Volume 72, Issue 9, Page 3448-3473, November 2024.
Abstract Over the past decades, surface wave methods have been routinely employed to retrieve the physical characteristics of the first tens of meters of the subsurface, particularly the shear wave velocity profiles. Traditional methods rely on the application of the multichannel analysis of surface waves to invert the fundamental and higher modes of ...
Sean Berti, Mattia Aleardi, Eusebio Stucchi   +2 more
wiley   +1 more source

Nonlinear Site Response Analysis in District XIII, Budapest

Slovak Journal of Civil Engineering
Urban seismic hazard assessments must account for local soil conditions that can significantly alter ground motion characteristics. This study presents a nonlinear one-dimensional (1D) site response analysis for four locations within Budapest’s District ...
Al-Azazmeh Ahmad, Mahler András
doaj   +1 more source

Investigation of Dam Safety Making Use of Multichannel Analysis of Surface Wave (MASW) Seismic Method

, 2013
Multichannel Analysis of Surface Wave (MASW) seismic method is widely used in geotechnical engineering for the measurement of shear wave velocity and evaluation of material property. This method was recently conducted at a Dam site located in Zaria, within the basement complex of northern Nigeria.
openaire   +1 more source

MASW (Multichannel of Analysis of Surface Waves) Measurements on Very Dense Fill of Freeport Mining

Journal of Physics: Conference Series
Abstract The MASW (Multi-Channel Analysis of Surface Waves) was conducted on fill soil at Tembagapura Freeport Mining. The fill was very dense and is the landfills where people dumped waste disposal like car tire rubber etc. Several attempts were made to make boreholes to collect soil samples and to run SPT (Standard Penetration Test ...
G Handayani, G Masimuja
openaire   +1 more source