Hajin Choi
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Target‐free approach for vision‐based structural system identification using consumer‐grade cameras
BFS Hyungchul Yoon, Hazem Elanwar, Hajin Choi, Mani Golparvar‐Fard
Structural Control and Health Monitoring 23 (12), 1405-1416, 2016
NDE application of ultrasonic tomography to a full-scale concrete structure
H Choi, JS Popovics
IEEE transactions on ultrasonics, ferroelectrics, and frequency control 62 …, 2015
Ultrasonic imaging of multi-layer concrete structures
S Lin, S Shams, H Choi, H Azari
NDT & E International 98, 101-109, 2018
Laboratory assessment of nine methods for nondestructive evaluation of concrete bridge decks with overlays
S Lin, D Meng, H Choi, S Shams, H Azari
Construction and Building Materials 188, 966-982, 2018
Evaluation of Ultrasonic Techniques on Concrete Structures
DHC Dwight A Clayton, Cyrus M Smith, Dr Christopher C Ferraro, Jordan Nelson ...
Oak Ridge National Laboratory (ORNL), 2013
Integrated visualization for reinforced concrete using ultrasonic tomography and image-based 3-D reconstruction
H Choi, Y Ham, JS Popovics
Construction and building materials 123, 384-393, 2016
Contactless System for Continuous Monitoring of Early-Age Concrete Properties
H Choi, H Song, QNV Tran, JR Roesler, JS Popovics
Concrete International 38 (9), 35-41, 2016
Comparison of ultrasonic imaging techniques for full-scale reinforced concrete
H Choi, J Bittner, JS Popovics
Transportation Research Record 2592 (1), 126-135, 2016
Estimation of wave velocity for ultrasonic imaging of concrete structures based on dispersion analysis
S Lin, S Shams, H Choi, D Meng, H Azari
Journal of Testing and Evaluation 48 (2), 1095-1107, 2019
Evaluation of stiffening behavior of concrete based on contactless ultrasonic system and maturity method
J Hong, R Kim, CH Lee, H Choi
Construction and Building Materials 262, 120717, 2020
Bearing Angle Model for Bond of Reinforcing Bars in Concrete
OC Choi, H Choi
ACI Structural Journal 114 (01), 245-253, 2017
Concrete delamination depth estimation using a noncontact MEMS ultrasonic sensor array and an optimization approach
H Song, J Hong, H Choi, J Min
Applied Sciences 11 (2), 592, 2021
Guided wave analysis of air-coupled impact-echo in concrete slab
Computers and Concrete, An International Journal 20 (3), 257-262, 2017
Monitoring Damage in Concrete Columns Using Ultrasonic Tomography.
H Choi, G Palacios, JS Popovics, SH Chao
ACI Structural Journal 115 (2), 2018
Evaluation of internal damage in reinforced concrete elements using ultrasonic tomography
H Choi
University of Illinois at Urbana-Champaign, 2016
Shrinkage cracking of amorphous metallic fibre-reinforced concrete
KK Choi, H Choi, JC Kim
Proceedings of the Institution of Civil Engineers-Structures and Buildings …, 2015
A Study on the Detection of Internal Defect Types for Duct Depth of Prestressed Concrete Structures Using Electromagnetic and Elastic Waves
YG Yoon, JY Lee, H Choi, TK Oh
Materials 14 (14), 3931, 2021
Numerical analysis of ultrasonic multiple scattering for fine dust number density estimation
H Song, U Woo, H Choi
Applied Sciences 11 (2), 555, 2021
Frequency Wave Number–Domain Analysis of Air-Coupled Impact-Echo Tests in Concrete Slab
H Choi, S Shams, H Azari
Journal of Infrastructure Systems 24 (3), 04018015, 2018
Application of semi-coupled ultrasonic pulse velocity to image concrete structures using tomographic algorithms
H Choi, JS Popovics
2014 IEEE International Ultrasonics Symposium, 1017-1020, 2014
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