Detection of delamination and rebar debonding in concrete structures with ultrasonic SH-waveform tomography
The detection of delamination and rebar debonding is among the most frequently
encountered issues for inspecting concrete for quality control and assurance. This paper …
encountered issues for inspecting concrete for quality control and assurance. This paper …
An Integrated Geophysical and Unmanned Aerial Systems Surveys for Multi-Sensory, Multi-Scale and Multi-Resolution Cave Detection: The Gravaglione Site (Canale …
Gravaglione represents one of the main swallow holes of the Canale di Pirro, low Murge,
Apulia region, Italy. Here, after an intense rainstorm, a huge volume of rainwater …
Apulia region, Italy. Here, after an intense rainstorm, a huge volume of rainwater …
On mathematical problems of two-coefficient inverse problems of ultrasonic tomography
AV Goncharsky, SY Romanov… - Inverse Problems, 2024 - iopscience.iop.org
This paper proves the theorem of uniqueness for the solution of a coefficient inverse
problem for the wave equation in (with two unknown coefficients: speed of sound and …
problem for the wave equation in (with two unknown coefficients: speed of sound and …
Ultrasound transmission and reflection tomography for nondestructive testing using experimental data
E Bazulin, A Goncharsky, S Romanov, S Seryozhnikov - Ultrasonics, 2022 - Elsevier
The possibility of reconstructing the velocity structure of inspected objects with a high spatial
resolution and high sensitivity in ultrasonic tomographic nondestructive testing within the …
resolution and high sensitivity in ultrasonic tomographic nondestructive testing within the …
Evaluation of ultrasonic SH-waveform tomography for determining cover thickness and rebar size in concrete structures
The simultaneous detection of cover depth and rebar diameter are among the most
frequently encountered issues for inspecting concrete for quality control and assurance, or …
frequently encountered issues for inspecting concrete for quality control and assurance, or …
An Open‐Access Data Set of Active‐Source and Passive‐Wavefield DAS and Nodal Seismometer Measurements at the Newberry Florida Site
This article documents a comprehensive subsurface imaging experiment using seismic
waves in a well‐studied outdoor laboratory at Newberry, Florida, which is known for …
waves in a well‐studied outdoor laboratory at Newberry, Florida, which is known for …
Three-dimensional Gauss–Newton constant-Q viscoelastic full-waveform inversion of near-surface seismic wavefields
M Mirzanejad, KT Tran, Y Wang - Geophysical Journal …, 2022 - academic.oup.com
Full-waveform inversion (FWI) methods rely on accurate numerical simulation of wave
propagation in the analysed medium. Acoustic or elastic wave equations are often used to …
propagation in the analysed medium. Acoustic or elastic wave equations are often used to …
Deep void detection with 3D full waveform inversion of surface-based and in-depth source seismic wavefields
Detection of subsurface voids using nondestructive seismic methods is an ongoing problem
in many areas of civil and environmental engineering (eg, sinkholes and caves), homeland …
in many areas of civil and environmental engineering (eg, sinkholes and caves), homeland …
Detecting karst voids based on dominant frequencies of seismic profiles
Y Rao, Y Guo, D Xu - Pure and Applied Geophysics, 2021 - Springer
The presence of near-surface karst voids is an extremely difficult issue in the construction of
a high-speed rail (HSR) foundation. Seismic constant-offset profile (COP) method is one of …
a high-speed rail (HSR) foundation. Seismic constant-offset profile (COP) method is one of …
Geotechnical site characterization with 3D ambient noise tomography
We develop a new 3D ambient noise tomography (3D ANT) method for geotechnical site
characterization. It requires recording ambient noise fields using a 2D surface array of …
characterization. It requires recording ambient noise fields using a 2D surface array of …