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Jung, Donghyuk / Kim, Kun-Ho E. / Choi, Hajin / Jeong, Saebyeok / Choi, Jaehee / Kim, Geunoh / Ju, Young K. / Sung, Minsoo / Kim, Sanghee (2025): Shear strengthening and damage control effects of CFRP and self-prestressing iron-based SMA for concrete columns. In: Composite Structures, v. 351 (January 2025).
https://doi.org/10.1016/j.compstruct.2024.118550
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Ahn, Eunjong / Kim, Chanyoung / Choi, Hajin / Shin, Myoungsu (2024): Assessment of crack repairing in concrete using air-coupled surface-wave technique: Experimental and numerical investigations. In: Construction and Building Materials, v. 441 (August 2024).
https://doi.org/10.1016/j.conbuildmat.2024.137552
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Kang, Minju / Hong, Jinyoung / Lee, Taemin / Kim, Doyun / Choi, Hajin (2024): Evaluation of internal void related defects in reinforced concrete slab using electromagnetic wave properties. In: Earthquake Engineering and Engineering Vibration, v. 23, n. 3 (July 2024).
https://doi.org/10.1007/s11803-024-2253-9
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Kim, Sung-Hyun / Lee, Bum-Mu / Kang, Su-Min / Hwang, Hyeon-Jong / Choi, Hajin / Ma, Gao (2024): Simplified test method for evaluating progressive collapse resistance of precast concrete frame structures. In: Journal of Building Engineering, v. 88 (July 2024).
https://doi.org/10.1016/j.jobe.2024.109236
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Hong, Jinyoung / Choi, Hajin / Lee, Jongki / Jeong, Su-Gwang (2023): Thermal and mechanical variations of cementitious composites with phase change materials using a contactless ultrasonic method. In: Construction and Building Materials, v. 409 (December 2023).
https://doi.org/10.1016/j.conbuildmat.2023.134077
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Jeong, Saebyeok / Kim, Kun-Ho E. / Choi, Hajin / Ahn, Jaehun / Jung, Donghyuk (2024): Comparative evaluation of flexural response and damage assessment of concrete columns confined with CFRP and self-prestressing iron-based SMA. In: Journal of Building Engineering, v. 82 (April 2024).
https://doi.org/10.1016/j.jobe.2023.108228
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Kim, Sung-Hyun / Kim, Hui-Do / Kang, Su-Min / Hwang, Hyeon-Jong / Choi, Hajin (2023): Effect of joint details on progressive collapse resistance of precast concrete structures. In: Journal of Building Engineering, v. 69 (June 2023).
https://doi.org/10.1016/j.jobe.2023.106217
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Kim, Doyun / Kim, Ryulri / Min, Jiyoung / Choi, Hajin (2023): Initial freeze–thaw damage detection in concrete using two-dimensional non-contact ultrasonic sensors. In: Construction and Building Materials, v. 364 (January 2023).
https://doi.org/10.1016/j.conbuildmat.2022.129854
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Trung Duc Pham, Le / Woo, Ukyong / Choi, Kyoung-Kyu / Choi, Hajin (2022): Tensile characteristics of carbon textile-reinforced mortar incorporating short amorphous metallic and nylon fibers under designed environmental conditions. In: Construction and Building Materials, v. 352 (October 2022).
https://doi.org/10.1016/j.conbuildmat.2022.129059
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Park, Joohye / Song, Homin / Choi, Hajin (2022): Estimation of water-to-cement ratio in cementitious materials using electrochemical impedance spectroscopy and artificial neural networks. In: Construction and Building Materials, v. 350 (October 2022).
https://doi.org/10.1016/j.conbuildmat.2022.128843
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Kim, Ryulri / Min, Jiyoung / Ahn, Eunjong / Choi, Hajin (2022): Assessment of degradation index in freeze-thaw damaged concrete using multi-channel contactless ultrasound. In: Construction and Building Materials, v. 349 (September 2022).
https://doi.org/10.1016/j.conbuildmat.2022.128815
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Kim, Ryulri / Woo, Ukyong / Shin, Myoungsu / Ahn, Eunjong / Choi, Hajin (2022): Evaluation of self-healing in concrete using linear and nonlinear resonance spectroscopy. In: Construction and Building Materials, v. 335 (June 2022).
https://doi.org/10.1016/j.conbuildmat.2022.127492
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Jin, Seung-Seop / Hong, Jinyoung / Choi, Hajin (2022): Gaussian process-assisted active learning for autonomous data acquisition of impact echo. In: Automation in Construction, v. 139 (July 2022).
https://doi.org/10.1016/j.autcon.2022.104269
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Choi, Hajin / Shams, Sadegh / Azari, Hoda (2018): Frequency Wave Number–Domain Analysis of Air-Coupled Impact-Echo Tests in Concrete Slab. In: Journal of Infrastructure Systems, v. 24, n. 3 (September 2018).
https://doi.org/10.1061/(asce)is.1943-555x.0000428
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Hong, Jinyoung / Kim, Ryulri / Lee, Chang Hoon / Choi, Hajin (2020): Evaluation of stiffening behavior of concrete based on contactless ultrasonic system and maturity method. In: Construction and Building Materials, v. 262 (November 2020).
https://doi.org/10.1016/j.conbuildmat.2020.120717
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Choi, Oan Chul / Choi, Hajin (2017): Bearing Angle Model for Bond of Reinforcing Bars in Concrete. In: ACI Structural Journal, v. 114, n. 1 (January 2017).
https://doi.org/10.14359/51689256
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Yoon, Hyungchul / Elanwar, Hazem / Choi, Hajin / Golparvar-Fard, Mani / Spencer, Billie F. (2016): Target-free approach for vision-based structural system identification using consumer-grade cameras. In: Structural Control and Health Monitoring, v. 23, n. 12 (December 2016).
https://doi.org/10.1002/stc.1850
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Choi, Hajin / Ham, Youngjib / Popovics, John S. (2016): Integrated visualization for reinforced concrete using ultrasonic tomography and image-based 3-D reconstruction. In: Construction and Building Materials, v. 123 (October 2016).
https://doi.org/10.1016/j.conbuildmat.2016.07.010
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Choi, Hajin / Palacios, Guillermo / Popovics, John S. / Chao, Shih-Ho (2018): Monitoring Damage in Concrete Columns Using Ultrasonic Tomography. In: ACI Structural Journal, v. 115, n. 2 (March 2018).
https://doi.org/10.14359/51701117
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Choi, Kyoung-Kyu / Choi, Hajin / Kim, Jong-Chan (2015): Shrinkage cracking of amorphous metallic fibre-reinforced concrete. In: Proceedings of the Institution of Civil Engineers - Structures and Buildings, v. 168, n. 4 (April 2015).
https://doi.org/10.1680/stbu.13.00084
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Lin, Shibin / Meng, Dewei / Choi, Hajin / Shams, Sadegh / Azari, Hoda (2018): Laboratory assessment of nine methods for nondestructive evaluation of concrete bridge decks with overlays. In: Construction and Building Materials, v. 188 (November 2018).
https://doi.org/10.1016/j.conbuildmat.2018.08.127