International Journal Papers

Park, J., An J.B., Ko, K. W.*, and Cho, G.C.* (2026). “Soil-tunnel interaction for segmental linings with non-planar longitudinal joints via centrifuge modeling.” Tunnelling and Underground Space Technology, Vol. 168, Part. 2, 107206, DOI: 10.1016/j.tust.2025.107206 

Ko, K. W.*, Kayen, R., and Nweke, C. (2025). “Estimation of Timing of Liquefaction using Spectral Energy Ratio.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 151, No. 4, pp. 04025017, DOI: 10.1061/JGGEFK.GTENG-12442

• This paper has been selected as Editor's Choice from ASCE, Journal of Geotechnical and Geoenvironmental Engineering

Ko, K. W.*, Kayen, R., Kokusho, T., Ilgac M., Nozu, A., and Nweke, C. (2024). “Energy-Based Liquefaction Evaluation: A Case Study at the Port of Kushiro, Hokkaido, 2003 Tokachi-Oki Earthquake.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 150, No. 10, pp. 05024010, DOI: 10.1061/JGGEFK.GTENG-11989

Ko, K. W. and Kayen, R.* (2024). “Energy-Based and Strain-Based Methods for Estimation of Pore Water Pressure within Liquefied Soil Layers.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 150, No. 10, pp. 04224086, DOI: 10.1061/JGGEFK.GTENG-11458 

Lee, J. S.*, Lee, S. U., and Ko, K. W. (2024). “Effect of Strong Motion on Liquefaction-Induced Settlement of Shallow Foundations using 3D Numerical Analysis.” KSCE Journal of Civil Engineering, Vol. 28, No. 8, pp. 3224-3236, DOI: 10.1007/s12205-024-2675-y

Choi, D. H., Kwon, T. H., and Ko, K. W.* (2024). “Centrifuge modeling of soil liquefaction of a Pohang sand layer during the 2017 Pohang earthquake.” KSCE Journal of Civil Engineering, Vol. 28, No. 8, pp. 3176-3191, DOI: 10.1007/s12205-024-1228-8

Ko, K. W., Lee, S. B., Oh, T. S., Kim, N. R., and Kim, J. H.* (2024). “Performance evaluation of Sand Pluviation Methods Considering Spatial Variation in Model Box.” KSCE Journal of Civil Engineering, Vol. 28, No. 12, pp. 5452-5463, DOI: 10.1007/s12205-024-2093-1 

Ko, K. W. and Kayen, R.* (2023). “Effect of Structure-to-Foundation Mass Ratio in Analytical Modeling of Soil-Foundation-Structure Interaction During Earthquakes.” Soil Dynamics and Earthquake Engineering, Vol. 172, pp. 108050, DOI: 10.1016/j.soildyn.2023.108050 

Ko, K. W., Ha, J. G., Lee, J. S., and Cho, G. C.* (2023). “Sensitivity Analysis of Mass Ratio Effect on Settlement and Seismic Response of Shallow Foundation Using Numerical Simulation.” Geomechanics and Engineering, Vol. 34, No. 6, pp. 649-664, DOI: 10.12989/gae.2023.34.6.649

Lee, J.S.*, Park, C.S., Kwon, K.Y., Song, J.H., Kim, K.J., Kim, N.S., and Ko, K. W. (2022). “Numerical back-analysis of caisson quay walls in the Yeong-il bay port during the 2017 Pohang earthquake.” KSCE Journal of Civil Engineering, Vol. 26, No. 10, pp. 4290-4301, DOI: 10.1007/s12205-022-0950-3 

Kim, Y. S., Lee, M. G., Cho, G. C., and Ko, K. W.* (2022). “Inertial Behavior of Gravity-Type Quay Wall: A Case Study Using Dynamic Centrifuge Test.” Soil Dynamics and Earthquake Engineering, Vol. 155, pp. 107196, DOI: 10.1016/j.soildyn.2022.107196 

Ko, K. W., Ha, J. G.*, and Kim, D. S. (2022). “Analytical Evaluation and Experimental Validation on Dynamic Rocking Behavior for Shallow Foundation Considering Structural Response.” Earthquake Engineering and Engineering Vibration, Vol. 21, No.1, pp. 37-51, DOI: 10.1007/s11803-022-2075-6 

Kim, Y.A., Lee, H.I., Ko, K. W.*, and Kwon, T.H. (2022). “Centrifuge modeling and analytical validation of seismic amplification in a slope during earthquakes – Implications to seismic slope stability analysis.” Soil Dynamics and Earthquake Engineering, Vol. 163, pp. 107502, DOI: 10.1016/j.soildyn.2022.107502 

Ko, K. W. and Ha, J. G.* (2021). “Ground Motion Intensity Measure to Evaluate Seismic Performance of Rocking Foundation System.” Earthquake and Structures, Vol. 21, No.6, pp. 563-576, DOI: 10.12989/eas.2021.21.6.563 

Ko, K. W., Ha, J. G., Park, H. J., and Kim, D. S.* (2021). “Investigation of Period-Lengthening Ratio for Single-Degree-of-Freedom Structures Using Dynamic Centrifuge Test.” Journal of Earthquake Engineering, Vol. 25, No. 7, pp. 1358-1380, DOI: 10.1080/13632469.2019.1576557 

Manandhar, S., Kim, S. N., Ha, J. G., Ko, K. W., Lee, M. G., and Kim, D. S.* (2021). “Liquefaction evaluation using frequency characteristics of acceleration records in KAIST centrifuge tests for LEAP.” Soil Dynamics and Earthquake Engineering, Vol. 140, pp. 106332, DOI: 10.1016/j.soildyn.2020.106332 

Jeong, Y. H., Kim, J. H., Ko, K. W., and Park, H. J.* (2021). “Simplified Estimation of Rotational Stiffness of Tripod Foundation for Offshore Wind Turbine under Cyclic Loadings.” Applied Ocean Research, Vol. 112, No. 7, pp. 102697, DOI: 10.1016/j.apor.2021.102697 

Jeong, Y. H., Ko, K. W., Kim, D. S., and Kim, J. H.* (2021). “Studies on Cyclic Behavior of Tripod Suction Bucket Foundation System supporting Offshore Wind Turbine using Centrifuge Model Tests.” Wind Energy, Vol. 24, No. 5, pp. 515-529, DOI: 10.1002/we.2586

Park, H. J., Ko, K. W.*, Song, Y. H., Song, M. J., Jin, S., Ha, J. G., and Kim, D. S.* (2020). “Centrifuge modeling of disconnected piled raft using vertical pushover tests.” Acta Geotechnica, Vol. 15, No. 9, pp. 2637-2648, DOI: 10.1007/s11440-020-00928-6 

Ko, K. W., Ha, J. G., and Kim, D. S.* (2020). “Structural Inertial Interaction Effects on Foundation Behavior.” Soil Dynamics and Earthquake Engineering, Vol. 135, pp. 106238, DOI: 10.1016/j.soildyn.2020.106238 

Ko, K. W., Park, H. J.*, Ha, J. G., Jin, S., Song, Y. H., Song, M. J., and Kim, D. S.* (2019). “Evaluation of Dynamic Bending Moment of Disconnected Piled Raft via Centrifuge Tests.” Canadian Geotechnical Journal, Vol. 56, pp. 1917-1928, DOI: 10.1139/cgj-2018-0248 

Ko, K. W., Ha, J. G., Park, H. J., and Kim, D. S.* (2019). “Centrifuge Modeling of Improved Design for Rocking Foundation Using Short Piles.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 145, No. 8, pp. 04019031, DOI: 10.1061/(ASCE)GT.1943-5606.0002064

Ha, J. G., Ko, K. W., Jo, S. B., Park, H. J., and Kim, D. S.* (2019). “Investigation of seismic performance of unconnected pile foundations using dynamic centrifuge tests.” Bulletin of Earthquake Engineering, Vol. 17, No. 5, pp. 2433-2458, DOI: 10.1007/s10518-018-00530-y 

Ko, K. W., Ha, J. G., Park, H. J., and Kim, D. S.* (2018). “Comparison between cyclic and dynamic rocking behavior for embedded shallow foundation using centrifuge tests.” Bulletin of Earthquake Engineering, Vol. 16, No. 11, pp. 5171-5193, DOI: 10.1007/s10518-018-0409-6 

Ko, K. W., Ha, J. G., Park, H. J., and Kim, D. S.* (2018). “Soil-rounding effect on embedded rocking foundation via horizontal slow cyclic tests.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 144, No. 3, 04018004, DOI: 10.1061/(ASCE)GT.1943-5606.0001848