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Professor

  Heejung Youn

Education
2005 – 2008   (Dr. Fulvio Tonon)
Ph.D. Civil, Architectural & Environmental Engineering, The University of Texas at Austin, Austin, Texas
2003 – 2005   (Dr. Thomas J. Weaver)
M.S. Civil Engineering, The University of Idaho, Moscow, Idaho
1995 - 2002
B.S. Civil Engineering, Seoul National University, Seoul, South Korea

Research Interests

Foundation engineering (Drilled shafts in IGM)
Numerical analysis in geotechnical engineering
Expansive clay shales
Bio-grouting/sealing

Experiences

9/2009 – Present
Assistant Professor, Department of Civil Engineering, School of Urban and Civil Engineering, Hongik University
1/2009 – 8/2010
Postdoctoral Researcher, Coastal Engineering & Ocean Energy Research Department, Korea Ocean Research and Development Institute
9/2005 – 8/2008
Graduate Research Assistant, Department of Civil Engineering, The University of Texas at Austin
1/2006 – 5/2006
Teaching Assistant, Department of Civil Engineering, The University of Texas at Austin
9/2004 – 5/2005
Teaching Assistant, Department of Civil Engineering, University of Idaho
9/2003 – 6/2004
Research Assistant, Department of Civil Engineering, University of Idaho

Publications

Refereed Journal Papers:

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., “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
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.” International Journal of Rock Mechanics and Mining Science, 47(4), pp. 678-684, doi: 10.1016/j.ijrmms.2009.12.017
Jang, I.S., Kwon, O.S., Jung, Y.H., and Youn, H., (2010),  “Parametric study on the lateral resistance of offshore piles with enlarged upper section,” Journal of Korean Society of Coastal and Ocean Engineers,  22 (1).
Tonon, F.*, Raibagkar, A., and Youn, H. "Determination of material properties obtained in the verification core at the bottom of drilled shafts" (submitted)

Conference Papers (international):

Weaver, T. J., and Youn, H.J. “Pile foundation interaction with a nearby retaining wall.” 41st Annual Symposium on Engineering Geology and Geotechnical Engineering, Boise, Idaho, April, 2008.
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 2008 (GSP 179), ASCE. pp. 189-196.
Youn, H.J, and Weaver, T. J. (2006). “Influence of laterally loaded pile foundation on sheet pile wall.” TRB 85th annual meeting, Washington D.C., Paper no.06-0696.

Conference Papers (domestic):

Youn, H. Jang, I.S., Oh, MH., Kwon, OS., Jung, SJ., (2010), “Trend in suction bucket foundation for offshore wind turbine,” KGS Fall National Conference 2010, Ansan, Korea
Youn, H. Fulvio T., (2010), “Effect of verification core on shaft tip capacity” KGS Spring National Conference 2010, Gyeonggi, Korea
Kwon, OS., and Youn, H. (2009). “Design trend of offshore wind energy foundation,” 2009 fall symposium, Korean Association of Professional Engineers
Youn, H. Kwon, OS., and Lee, K. (2009). “Comparison of design manuals for offshore wind energy foundation.” KSCE conference, Hoengseong, Korea

Thesis:

Youn, H. (2008). "Effect of verification core hole on the point bearing capacity of drilled shafts," Doctoral Dissertation, The University of Texas at Austin, Austin, TX.
Youn, H. (2005). "The influence of laterally loaded pile on sheet pile wall." M.Sc. Thesis, The University of Idaho, Moscow, ID.

Other Publications:

Heejung Youn, Fulvio Tonon, and Hugh Kelly. "Effect of verification cores on drilled shaft tip capacity – part I.” Foundation Drilling. ADSC, Sep/Oct. 2007
Heejung Youn, Fulvio Tonon, and Hugh Kelly. "Effect of verification cores on drilled shaft tip capacity – part II.” Foundation Drilling, ADSC, Dec/Jan 2008

Technical Reports:

Development of eco-friendly artificial island construction technology, PI: O-Soon Kwon, KORDI (in progress)
Plan study on technical development for multi-functional i-PORT construction, PI: Kwangsoo Lee, KORDI (2009)
Plan study on technical development for high-end port construction, PI: Gilym Yoon, KORDI (2009)
Plan study on developments of site investigation, foundation design, construction technique, and construction equipment at deep depth and deep sea, PI: Changho Choi, KICT, (2009)
Tonon, F., Youn, H., and Raibagkar, A. (2008) “Influence of verification cores on point bearing capacity of drilled shafts.” TxDOT Report

Technical Skills

Proficient in Finite Element Analysis related packages: ALGOR, ABAQUS, PLAXIS, OPENSEE, Midas GTS.
Excellent in handling engineering software: MATHCAD, MATLAB
Knowledgeable in all Microsoft Office package, AUTOCAD
ETC: COM624, Driven, UTexas, Unwedge 3.0, Phase.

Honors and Awards

IPO Scholarship, Fall 2004, University of Idaho, Moscow, ID

Professional affiliation

Member of Korean Geotechnical Society

References

Fulvio Tonon, Assistant Professor in Civil Engineering at the University of Texas at Austin, Texas, USA
Thomas, J. Weaver, Assistant Professor in Civil Engineering at University of Idaho, Idaho, USA
O-Soon Kwon, Principal Research Scientist, KORDI, Republic of Korea
In-Sung Jang, Principal Research Scientist, KORDI, Republic of Korea

 

Last update: Sep. 01. 2013