Deep learning models for bridge deck evaluation using impact echo

S Dorafshan, H Azari - Construction and Building Materials, 2020 - Elsevier
Impact echo (IE) is a common nondestructive evaluation (NDE) method to detect subsurface
defects in concrete bridge decks. The conventional approach for analyzing the IE data …

Detection of delamination and rebar debonding in concrete structures with ultrasonic SH-waveform tomography

R Chen, KT Tran, HM La, T Rawlinson, K Dinh - Automation in Construction, 2022 - Elsevier
The detection of delamination and rebar debonding is among the most frequently
encountered issues for inspecting concrete for quality control and assurance. This paper …

Ultrasonic imaging of multi-layer concrete structures

S Lin, S Shams, H Choi, H Azari - NDT & E International, 2018 - Elsevier
Ultrasonic imaging is a powerful nondestructive evaluation technology for examining the
condition of concrete structures through focused images obtained with the Synthetic …

Imaging concrete structures with ultrasonic shear waves—Technology development and demonstration of capabilities

K Dinh, K Tran, N Gucunski, CC Ferraro, T Nguyen - Infrastructures, 2023 - mdpi.com
Since 1987 when dry-point-contact (DPC) transducers were invented in the USSR,
ultrasonic shear wave devices based on those transducers have been commercialized and …

[HTML][HTML] Detecting Reinforced Concrete Rebars Using Ground Penetrating Radars

W Zatar, H Nghiem, H Nguyen - Applied Sciences, 2024 - mdpi.com
A new algorithm is developed to automatically detect rebar locations and diameters of
reinforced concrete structures using the ground penetrating radar technique. The study uses …

Evaluation of ultrasonic SH-waveform tomography for determining cover thickness and rebar size in concrete structures

R Chen, KT Tran, K Dinh, CC Ferraro - Journal of Nondestructive …, 2022 - Springer
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 …

Ultrasonic pitch and catch technique for non-destructive testing of reinforced concrete slabs

WA Zatar, HD Nguyen, HM Nghiem - Journal of Infrastructure Preservation …, 2020 - Springer
This study aims at evaluating reinforced concrete (RC) bridge elements using ultrasonic
pitch and catch (UPC) non-destructive testing (NDT) technique. A validation reinforced …

3D internal visualization of concrete structure using multifaceted data for ultrasonic array pulse-echo tomography

H Kwon, C Joh, WJ Chin - Sensors, 2021 - mdpi.com
This research proposes a 3D internal visualization using ultrasonic pulse-echo tomography
technique to evaluate accurately the state of concrete structures for their efficient …

Analytical reverse time migration: an innovation in imaging of infrastructures using ultrasonic shear waves

A Asadollahi, L Khazanovich - Ultrasonics, 2018 - Elsevier
The emergence of ultrasonic dry point contact (DPC) transducers that emit horizontal shear
waves has enabled efficient collection of high-quality data in the context of a nondestructive …

FPGA: Field programmable gate array-based four-channel embedded system for ultrasonic imaging of under-water concrete structures

H Jain, VH Patankar - Review of Scientific Instruments, 2022 - pubs.aip.org
Non-destructive testing is needed for the evaluation of quality and safety of concrete
structures in the field of civil engineering. The imaging of concrete/reinforced cement …