PublicationS

Dongwhi Kim, Youn, H., * (2024),  "Classifying roundness and sphericity of sand particles using CNN regressinon models to alleviate data imbalance," Acta Geotechnica, (link)

Dongwhi Kim, Jihoon Kim, Youn, H., * (2024), "Automated Ground Penetration Radar B-scan Detection Enhanced by Data Augmentation Techniques," Geomechanics and Engineering, An International Journal,  38(1), pp. 29-44 (link)

Jihoon Kim, Dongwhi Kim, and Youn, H.,* (2024), "An alternative approach for detecting cavities in reinforced concrete structures using GPR A-scan data," Developments in the Built Environment, Vol. 19, Oct, 100479,  (link)

Dongwhi Kim, Boohyun Nam, and Youn, H.*, (2023), "Numerical and experimental investigation on the scaling law of strip model foundation on cohesionless soils," KSCE Journal of Civil Engineering, 27(3), (link)

Fulvio Tonon, Anay Raibagkar, and Youn, H., (2021), "Model tests to determine properties of concrete and aggregates in verification core holes at the bottom of drilled shafts," Journal of Geotechnical and Geoenvironmental Engineering,  147(9): 04021092 (link)

Soliman, M., Ryan, S., Kim, YJ, and Youn, H., Nam, BH, (2021) “Numerical Investigation on Mechanical Behavior of Karst Sinkhole,” Environmental Geotechnics, 8(6): pp. 367-381. (link)

Choi, E., Ostadrahimi, A., Youn, H., (2020), "Analytical and experimental study of shape memory alloy reinforcement on the performance of butt-fusion welded joints in high-density polyethylene pipe," Journal of Intelligent Material Systems and Structures, 31(17), pp. 2029-2043.  (link)

Choi, E., Lee, J., Youn, H., (2020), "An experimental study on the performance of a damper fabricated by dual rubber springs," International Journal of Steel Structures (link)

Kim, YJ, Nam, BH, Ryan, S., Soliman, M., and Youn, H., (2020), “Development of sinkhole susceptibility map of East Central Florida,” Natural Hazards Review, 21(4): 04020035, pp. 1-15,  (link)

Cho, B.H., Ahn, J.W., Nam, B.H., Youn, H*., (2020), “Municipal solid waste incineration (MSWI) ashes as construction materials – a review,” Materials , 13(14):3143, (link)

Nam, BH, Kim YJ, Youn H*., (2020) “Identification and quantitative analysis of sinkhole contributing factors in Florida’s Karst, Engineering Geology, 271(105610), (link) 

Kim, YJ, Nam, BH, and Youn, H., (2019), “Sinkhole detection and characterization using LiDAR -derived DEM with logistic regression,” Remote Sensing, 11(13), 1592, (link)

Cho, BH, Nam, BH, Seo, SY, Kim, J., An, J., Youn, H.*, (2019), “Waterproofing performance of waterstop with adhesive bonding used at joints of underground concrete structures,” Construction and Building Materials, Vol. 221, pp. 491-500,  (link)

Nam, BH, Kenneth H. Stokoe, and Youn, H.* (2019) “Enhanced sensing and data processing system for continuous profiling of pavement deflection,”Materials, 12(10), 1653, (link) 

Nam, B.H., Stokoe II, K., Cho, B., Kim, Y.J., and Youn, H., (2019) “A potential technology for road sink assessment the Rolling Dynamic Deflectometer,” Journal of Testing and Evaluation, 47(3)

Lee, M., Yoo, M., Bae, K., Kim, Y., Nam, B.H., and Youn, H.*, (2019) “Centrifuge test on the lateral behavior of offshore monopile in dense sand under cyclic loading,” Journal of Testing and Evaluation, 47(3)

Kim, D., Nam, BH, and Youn, H.*, (2018) “Effect of clay content on the shear strength of clay-sand mixture,” International Journal of Geo-Engineering, 9(19),  GEOE 2018 best paper award

Kim, J., Kee, S.H., Youn, H., and Kim, D.Y., (2018) “Parameters influencing redundancy of twin steel box-girder bridges,” Steel and Composite Structures, 29(4), pp. 437-456

Lee, T., Lee, S., Ryu, D.W., and Youn, H.*, (2018) “Wear resistance of four rocks using rotary abrasion test in dry and wet conditions,” Journal of Testing and Evaluation, 46(6)

Choi, YG, Kim, JH, and Youn, H.* (2018) “Numerical analysis of laterally loaded piles affected by bedrock depth,” Advances in Civil Engineering, Vol. 2018, Article ID 5493579, 9 pages

Kim, G., Janghwan Kim, and Youn, H.* (2018), “Effect of temperature, pH, and reaction duration on microbially induced calcite precipitation,” Applied Sciences, 8 (8), 1277

Kim, B. Kwon, O.S., Nam, B., and Youn, H.*, (2017) “Static pullout resistance of anchor chains in cohesionless soil-laboratory test,” Marine Georesources & Geotechnology, 35(6), pp. 780-787 

Choi, E., Youn, H., Park, K., and Jeon, J., (2017), “Vibration tests of precompressed rubber springs and a flag-shaped smart damper,” Engineering Structures, 132, pp. 372-382

Perez, A.L., Nam, B., Alrowaimi, M., Chopra, M., Lee, S.J., and Youn, H.* (2017) “Experimental study on sinkhole: soil-groundwater behaviors under varied hydrogeological conditions,” Journal of Testing and Evaluation, 45(1), ASTM

Kim S.J. Youn, H., Kim, K. (2016) “Analytical analysis of pullout resistance of the hydraulic expansion rockbolts on a frictionally coupled model,” Journal of Mountain Science, 13(12) pp. 2249-2259 

An, J., Nam, B., and Youn, H., (2016) “Accelerated calcite precipitation (ACP) method for the clogging potential of recycled concrete aggregate (RCA) as pipe backfill materials,” Construction & Building Materials, 125(30), pp. 749-756 

Kim G.J, Youn, H.*, (2016), “Microbially induced calcite precipitation employing environmental isolates” Materials, 9(6), 468 

Eunsoo Choi, Youn, H., Baeik-Soon Cho, (2016), "Probabilistic seismic performance assessment of lap-spliced RC columns retrofitted by steel wrapping jackets," Earthquake Engineering and Engineering Vibration, 15(2), pp. 223-238 

An, J., Nam, B.H., and Youn, H.* (2016), “Investigation on the effect of recycled asphalt shingle (RAS) in portland cement mortar,” Sustainability, 8(4), 384, doi:10.3390/su8040384

Myungjae Lee, Bae, Kyung-tae, Kim, Hong Taek, Baek, Seung-Cheol, Youn, H.* (2016) “Similitude law for shallow foundation on cohesionless soils using 2D finite element analysis,” Japanese Geotechnical Socieity Special Publication, Japanese Geotechnical Society, 2(39) pp. 1416-1419

Nam, B., Kee, S.H., Youn, H., Kim, D.Y. (2015), "Methodology to improve the AASHTO subgrade resilient modulus (MR) equation for the network-level use," Journal of Transportation Engineering, ASCE, 141(12): 04015027 

 Eunsoo Choi, Dongjoo Kim, Youn, H., Tae-hyun Nam, (2015) “Repairing cracks developed in mortar beams reinforced by cold-drawn NiTi or NiTiNb SMA fibers,” Smart Materials and Structures, Vol. 24 (12) 

Keunju Kim, Boo Hyun Nam, Youn, H.*, (2015), “Effect of cyclic loading on the lateral behavior of offshore monopiles using the strain wedge model,” Mathematical problems in Engineering, 2015, Article ID 485319, 12 pages, doi:10.1155/2015/485319 Accepted 13 August 2015

Eunsoo Choi, Gyuchan Choi, Hong-Taek Kim, Youn. H. (2015) "Smart damper using the combination of magnetic friction and pre-compressed rubber springs," Journal of Sound and Vibration, 351, pp. 68-89, doi:10.1016/j.jsv.2015.04.028 

Eunsoo Choi, Dong Joo Kim, Youn, H. (2014) "Stiffness and confinement ratios of SMA wire jackets for confining concrete," Journal of Materials Engineering and Performance, ASTM International, 23(7), pp. 2014-2727, doi: 10.1007/s11665-014-0995-7

Youn, H., and Tonon, F.*, (2010) "Numerical analysis on post grouted drilled shafts: A case study at the Brazo River Bridge, TX." Computers and Geotechnics, 37(4) pp. 456-465, doi: 10.1016/j.compgeo.2010.01.005

Youn, H., and Tonon, F.*, (2010) "Multi-stage triaxial test on brittle rock," Int. J. of Rock Mech. And Mining Sci., 47(4), doi: 10.1016/j.ijrmms.2009.12.017

Youn, H., and Tonon, F.*, (2010) "Numerical study of the effect of verification core hole on the point bearing capacity of drilled shafts." Journal of Geotechnical and Geoenvironmental Engineering, 136(9); pp. 1287-1297, doi: 10.1061/(ASCE)GT.1943- 5606.0000333 

Youn, H., and Tonon, F.* (2010) "Effect of air-drying duration on the engineering properties of four clay-bearing rocks in Texas," Engineering Geology, 115(1-2), pp. 48-67, doi:10.1016/j.enggeo.2010.06.012

이태건, 류동우, 윤희정* (2022) “반구형 지중공동의 수치해석적 안정성 평가,” 터널과지하공간, 제32권, 1호, pp. 20-29

김상철, 김도헌, 이전진, 정혁상, 윤희정* (2020) “신생대 제3기 미고결 퇴적층구간 터널계획 연구: 시공중 터널 재난 예방방안(2), 한국철도학회논문집

김병완, 김유석, 진병무, 배경태, 윤희정* (2016) “해상풍력 석션파일의 수직도 제어에 대한 수치해석(Numerical Analysis on Tilting Control of Suction Pile for Offshore Wind Power),” 한국지반환경공학회, 제17권, 9호, pp. 5-12 

김세진, 윤희정* (2016) “HDPE 표면처리 지오멤브레인의 경계면 전단강도에 관한 연구( A Study on the Interface Shear Strength of HDPE Textured Geomembrane)” 한국지반환경공학회, 제17권, 2호, pp. 41-49

이명재, 윤희정* (2014) “3차원 수치해석을 이용한 점토지반에 설치된 석션파일 인발 시 발현되는 전단응력에 관한 연구(A Study on the Side Shear Developed during Pullout of Suction Pile in Clays using 3D Numerical Analysis)” 한국지반환경공학회, 제 15권 2호 pp. 59-66

이인, 최영균, 김홍락, 권오순, 윤희정* (2013) “서남해안 해상풍력단지 말뚝의 직경에 따른 횡방향 거동(Effects of Pile Diameter on the Lateral Behavior of Offshore Pile in the Southwestern Area of Korea)” 한국지반환경공학회, 제14권, 5호, pp. 23-32.

윤희정* (2012) “횡방향 재하 말뚝 주변의 널말뚝에 관한 변수연구(A Parametric Study of Sheet Pile Wall Near the Laterally Loaded Pile),” 한국지반환경공학회 논문집, 제 13권, 8호 pp. 35-43

장인성, 정성준, 백원대, 윤희정 (2011) “광원의 위치와 투사각에 따른 탁도별 시계 측정(Visibility with Different Location and Projection Angle of Light under Turbid Water)” 한국산학기술학회 논문지, 제12권, 8호, pp. 3758-3765.

장인성, 권오순, 정영훈, 윤희정 (2010) “상부단면 확대형 해상 말뚝의 횡방향 지지 성능에 미치는 변수 연구(Parametric Study on the Lateral Resistance of Offshore Piles with Enlarged Upper Section),” 한국해안·해양공학회논문집, 제22권 1호 pp. 1-9.

Jihoon Kim, Boohyn Nam, Youn, H. (2024), "Sensitivity analysis on GPR A-can data for cavity detectino based on area estimation approach," GeoShanghai2024, IOP Conf. Series: Earth and Environmental Science, May 26-29, Shanghai, China  (doi:10.1088/1755-1315/1333/1/012008)

Dongwhi Kim, Youn, H., (2024), "Improved CNN based model for shape parameter determination of sand particles considering imbalanced dataset," Geoshanghai2024, IOP Conf. Series: Earth and Environmental Science, May 26-29, Shanghai, China (doi:10.1088/1755-1315/1337/1/012018)

Timothy R. Copeland, Boohyun Nam, Ryan Shamet, Youn, H., Young-Hoon Jung, (2022), “Investigation on the effects of Hurricane on the Piezometeric Head and Lateral Hydraulic Gradient of a Network of Piezometric Sensors in Florida’s Sinkhole Study” Geo-Congress 2022, ASCE, GSP 333, March 20-23, Charlotte, North Carolina

Ryan Shamet, Boo Hyun Nam, Youn, H. (2021), “An empirically developed CPT-based assessment method for characterization of sinkhole vulnerability in Florida Karst,” IFCEE 2021, ASCE, GSP 325, pp. 297-307, May 10-14, Dallas Texas

Youn, H., (2020), “Underground measurement and interpretation of underground cavity and growth,” 2nd US-Korea Geotech Workshop, Nebraska, USA, Oct. 22-23, 발표일: Oct. 22

Kim, Yongje, Nam, BooHyun, and Youn, H. (2019), “Development of a Probabilistic Spatio-Magnitude Sinkhole Hazard Model,” GeoCongress 2019, March 23-27, 발표일: Mar 25

Lee, Taegeon, Ryu, Dong-Woo, and Youn, H.*, (2019), “Field test of sinkhole induced by man-made underground pipe,” SAGEEP 2019 (FastTimes vol 24, 1, p. 168), Portland, Oregon, March 17-21, 발표일: Mar 20

Lee, Taegeon, Nam, Boohyun, and Youn, H.*, (2019), “Numerical analysis on sinkhole stability induced by rainfall,” SAGEEP 2019 (FastTimes vol 24, 1, p. 169) , Portland, Oregon, March, - NRF 발표일: Mar 20

Nam, Boohyun, Kim, Yongje, and Youn, H., (2019), “Probabilistic Spatiotemporal magnitude sinkhole hazard map for East Central Florida,” SAGEEP 2019 (FastTimes vol 24, 1, p. 160), Portland, Oregon, March 17-21, 발표일: Mar 20

Kim, Yongje, Nam, BooHyun, and Youn, H. (2019), Development of Probabilistic Spatio-Magnitude Sinkhole Hazard Analysis for East Central Florida, 98th TRB Annual Meeting, Paper Number 19-03041, Washington D.C., Jan. 

Cho, BH, Nam, BH, Seo, SY, Kim, J., An, J., Youn, H.* (2019) “Preliminary study of waterstop with adhesive bonding for diaphragm wall construction” 98th TRB Annual Meeting, Paper Number 19-01437, Washington D.C., Jan. 

Cho, BH, Nam, BH, Seo, S., Kim, J., and Youn, H.* (2018), “Experimental study on the waterstop with adhesive bonding,” 11th International conference on Geosynthetics, Seoul, Korea, Sep. 16-21 

Lee, M., Yoo, M., Bae, K., Kim, Y., Nam, B.H., and Youn, H.*, (2018), “Variation of Lateral Soil Resistance due to Two-way Cyclic Loading,” GeoChina 2018: Transportation and Geotechniques: Materials, Sustainability and Climate, Hangzhou, China, July 23-25, pp. 79-89. 

Byoung Hooi Cho, Jinwoo An, Youn H., Boo Hyun Nam, (2018) “An optimized data interpretation for Marshall flow and stability test,” GeoChina 2018: Civil Infrastructures Confronting Severe Weathers and Climate Changes Conference, Hangzhou, China, July 23-25, pp. 119-130

Moataz Hesham Soliman, Boo Hyun Nam, Youn, H., Sung Eun Cho, (2018), “Numerical analysis on the mechanical behavior of sinkholes,” 97th TRB Annual Meeting, Washington D.C., January 7-11

Yun Wook Choo, Youn, H., Jin Young Kim, Changho Choi, Osoon Kwon, (2017), “Geotechnical perspective on offshore wind plan, strategy, projects, and research in Korea,” 19th ICSMGE (TC 209), Seoul, Korea, Sep. 17 – 20,

Taegeon Lee, Dong-Woo, Ryu, and Youn, H. (2017), “Estimation of Ground Settlement by Cavity using Eulerian Analysis,” International Conference on Geocience, Energy and Materials (I-GEM), Kuala Lumpur, Malaysia, April 10-12 

Perez, A.L., Nam, B., Alrowaimi, M., Chopra, M., and Youn, H. (2016) “An Investigation on the Soil-groundwater Behaviors to Understand the Cover-collapse Sinkhole Mechanism,” GeoChina2016, ASCE, China, July 25-27

Lee, Myungjae, Youn H. (2015) “2D Finite Element Method on the Scaling Law for Strip Footing,” The second International Mega-Conference on Green and Smart Technology, Vol. 120 (GST2015), December, Jeju, Korea, pp. 688-691

Lee, Myungjae, Bae, Kyung-tae, Kim, Hong Taek, Baek, Seung-Cheol, Youn, H. (2015) “Similitude law for shallow foundation on cohesionless soils using 2D finite element analysis,” The 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, November, Fukuoka, Japan (published in journal)

Kim, Keunju, Jang, In-Sung, Youn, H. (2015), "Numerical analysis on the lateral behavior of offshore pile with different friction angle," 25th International Ocean and Polar Engineering Conference, ISOPE, Kona, Hawaii

Bae, Kyung-tae, Lee Myungjae, Rho, Kangkoo, Lee, Jongpil, Kim Youseok, Youn, H., Lee, Daeyong, (2015), "Lateral behavior of monopile for offshore wind power using centrifugal model tests on sandy soil," 25th International Ocean and Polar Engineering Conference, ISOPE, Kona, Hawaii

Kim, Byeongwan, Lee Taegeon, Kwon, Osoon, Youn, H., (2015), "Horizontal behavior of anchor chain embedded in sands under cyclic loading," 25th International Ocean and Polar Engineering Conference, ISOPE, Kona, Hawaii

Lee, T, Gunjo Kim, and Youn, H., (2014) "Development of rotary abrasion testing apparatus for rock cores," Rock Mechanics and Its Applications in Civil, Mining, and Petroleum Engineering, GeoShanghai 2014, ASCE, pp. 40-48, doi: 10.1061/9780784413395.006

Choi, Y., Kim, G., Kwon, O., and Youn, H., (2014) "Effect of bedrock depth on the lateral behavior of monopile," Rock Mechanics and Its Applications in Civil, Mining, and Petroleum Engineering, GeoShanghai 2014, ASCE, pp. 191-197, doi: 10.1061/978/784413395.022

Choi Y., Kim, B., Kwon, O, and Youn, H., (2014) "Horizontal pullout capacity of steel chain embedded in sand," Advances in Soil Dynamics and Foundation Engineering, GeoShanghai 2014, ASCE, pp. 500-508, doi:10.1061/9780784413425.051

Lee, M., Lee, I., Kim, H. T., Youn, H., and Jang, I. S. (2012) "Numerical analysis on the sliding failure of suction pile." The 22nd International Ocean and Polar Engineering Conference, ISOPE, Rhodes, Greece

Weaver, T.J., and Youn, H. (2008) "Pile foundation interaction with a nearby retaining wall." 41th Symposium on Engineering Geology and Geotechnical Engineering, Boise, Idaho.

Won, J.Y., Youn, H., Kim, J.H., Kim, D.B., Park, S.S., and Kang, S. (2008). "Reevaluation of compressibility of the Namak Clay from field measurements." GeoCongress (GPS 179), ASCE, pp. 189-196

Youn, H., and Weaver, T.J. (2006). "Influence of laterally loaded pile foundation on sheet pile wall." TRB 85th annual meeting, CD, Washington D.C. Paper no. 06-0696.

Taegeon Lee, "Numerical simulation on the rainfall induced sinkhole" 

Dongwhi Kim " Lithology identification of Igneous rock (in preparation)

Dongwhi Kim " Tunnel deflection profiles prediction by AI techniques (in preparation)

Jihoon Kim " Retaining wall prediction using  convLSTM (in preparation)

2021년 등록(국제특허-싱가포르) "콘크리트 접합형 지수판 및 그 시공방법(Concrete bonded-type waterstop and construction method therefor)," PCT/KR2017/007692, 싱가포르 출원번호:  제 11201903554x호, 등록일자: 2021. 2.3.

2020년 등록 "미니어쳐 콘 관입시험장비를 이용한 지반 공동부 탐사방법," 출원일자: 2019.3.29, 출원번호: 10-2019-0036533, 특허등록번호: 10-22015110호, 등록일자: 2021. 1. 6

2019년 등록 “지하구조물 구획분리 방수공법(Compartmentalized waterproofing system for underground structure)” 출원일자: 2017.2.27., 출원번호: 10-2017-0025391, 특허등록번호: 10-19400220호, 등록일자: 2019.01.14. 

2018년 등록 “안식각 측정장치 및 측정방법(Equipment for angle of repose and measuring method), 출원일자: 2017.03.13., 출원번호: 10-2017-0030958, 특허등록번호: 10-19304850호, 등록일자: 2018.12.12 

2018년 등록 “이중철근망 지하연속벽 및 시공방법(Diaphragm wall with double reinforcement cage and its construction method), 출원일자: 2016.12.08., 출원번호: 10-2016-0166660, 특허등록번호: 10-1886260호 등록일자: 2018.8.01

2018년 등록 “콘크리트 접합형 지수판 및 그 시공방법(waterstop with concrete bonding adhesives, and construction method for the same), 출원일자: 2016.10.25., 출원번호: 10-2016-0138987, 등록번호: 10-1867987호, 등록일자: 2018. 06. 08 

2014년 등록 “암석 마모도 시험 장치 및 이를 이용한 암석의 마모도 측정 방법 (Apparatus for the rock wear measuring system),” 출원일: 2013.06.03., 출원번호: 1020130063652, 특허등록번호: 10-1455328-0000, 등록일자: 2014.10.21

2012년 등록 “레벨을 조절할 수 있는 해저 지반조사장치 (Apparatus for the soil survey of a site of the seabed for leveling)” 출원번호: 1020100033830, 특허등록번호: 1011766060000

2012년 등록 “로드 장착구조를 구비한 해저 지반조사장치 (Apparatus for the soil survey of a site of the seabed having structure to set rods)" 출원번호: 1020100033829호, 특허등록번호: 1011222870000