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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
2562016
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
922015
Ultrasonic imaging of multi-layer concrete structures
S Lin, S Shams, H Choi, H Azari
NDT & E International 98, 101-109, 2018
682018
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
622018
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
32*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
272016
Comparison of ultrasonic imaging techniques for full-scale reinforced concrete
H Choi, J Bittner, JS Popovics
Transportation Research Record 2592 (1), 126-135, 2016
232016
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
222020
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
212016
Bearing Angle Model for Bond of Reinforcing Bars in Concrete
OC Choi, H Choi
ACI Structural Journal 114 (01), 245-253, 2017
16*2017
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, 2020
122020
Monitoring Damage in Concrete Columns Using Ultrasonic Tomography.
H Choi, G Palacios, JS Popovics, SH Chao
ACI Structural Journal 115 (2), 2018
122018
Initial freeze–thaw damage detection in concrete using two-dimensional non-contact ultrasonic sensors
D Kim, R Kim, J Min, H Choi
Construction and Building Materials 364, 129854, 2023
92023
Estimation of water-to-cement ratio in cementitious materials using electrochemical impedance spectroscopy and artificial neural networks
J Park, H Song, H Choi
Construction and Building Materials 350, 128843, 2022
82022
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
82021
Monitoring hardening behavior of cementitious materials using contactless ultrasonic method
J Hong, H Choi
Sensors 21 (10), 3421, 2021
72021
Evaluation of internal damage in reinforced concrete elements using ultrasonic tomography
H Choi
University of Illinois at Urbana-Champaign, 2016
72016
Assessment of degradation index in freeze-thaw damaged concrete using multi-channel contactless ultrasound
R Kim, J Min, E Ahn, H Choi
Construction and Building Materials 349, 128815, 2022
62022
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
62021
Guided wave analysis of air-coupled impact-echo in concrete slab
최하진
Computers and Concrete, An International Journal 20 (3), 257-262, 2017
62017
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