Dr Ilhan Chang

Visiting Fellow
School of Engineering and Information Technology
  • ABOUT
  • PUBLICATIONS
  • Dr. Ilhan Chang is an (adjunct) Senior Lecturer at UNSW Canberra and an Associate Professor at Ajou University, South Korea. Dr. Chang has comprehensive expertise in geotechnical engineering, multi-disciplinary (bio-soil) studies, sustainable and environmental geotechnology, ground improvement and site characterization, industrial cooperation and commercialization. Dr. Chang joined UNSW in 2017 as an academic Lecturer and has been promoted to a Senior Lecturer on July 2018 and served up to August 2020. Before joining UNSW, Dr. Chang engaged his professional career as a Senior Researcher at the Korea Institute of Civil Engineering and Building Technology (KICT). 
  • Education and Careers: Dr. Chang earned his Bachelor of Science (2000), Master of Engineering (2004), and Doctor of Philosophy (2010) degrees in Civil and Geotechnical Engineering at KAIST (Korea Advanced Institute of Science and Technology). Main topics of his M.S. and Ph.D. dissertations were "Soft Soil Evaluation using Elastic Waves" and "Soil Stabilization using Microbial Biopolymers", respectively. Dr. Chang started his academic career as a Research Assistant Professor at KAIST (2010~2011) and moved to KICT (2012~2017) as a Senior Researcher to expand his experiences in R&D management and practical implementation. Meantime, Dr. Chang maintained his professional academic duty as an Invited Professor at KAIST (2014~2015) and Adjunct Associate Professor at UST (University of Science & Technology) (2016~2017), before joining UNSW. After his tremendous time with UNSW (2017 April ~ 2020 August), Dr. Chang moved to Ajou University as an Associate Professor, while continuing active collaboration with UNSW as an Adjunct Senior Lecturer (2020 September~)
  • E3GEO Research Group Dr. Chang and his research group (E3GEO - Emerging, Environmental and Extreme Geotechnical Engineering) are mainly interested in Bio-soil studies with BiopolymersSustainable geotechnology, New material developmentSoil characterization and improvement, Micro-mechanics, and Multi-disciplinary topics including Hydraulic geotechnology, Soil erosion and Desertification, and Space / Planetary geotechnical engineering. Visit http://www.ilhanchang.com for details.
  • Research Projects (in progress)
    • Development of a new excavation slurry using microbial biopolymers for machine tunneling / Funded by KEPCO, Korea / Period: 2018.11~2020.12 (Total Budget: $186,000)
  • Teaching
    • Civil Engineering Materials (ZEIT2603)
    • Geotechnical Engineering (ZEIT3602)
    • Geosynthetics and Ground Improvement (ZEIT4004)
    • Foundation and Pavement Engineering (ZEIT3606)

Journal articles

Chang I; Lee M; Tran ATP; Lee S; Kwon YM; Im J; Cho GC, 2020, 'Review on biopolymer-based soil treatment (BPST) technology in geotechnical engineering practices', Transportation Geotechnics, vol. 24, http://dx.doi.org/10.1016/j.trgeo.2020.100385

Ryu BH; Lee S; Chang I, 2020, 'Pervious pavement blocks made from recycled polyethylene terephthalate (PET): Fabrication and engineering properties', Sustainability (Switzerland), vol. 12, pp. 6356 - 6356, http://dx.doi.org/10.3390/SU12166356

Choi SG; Chang I; Lee M; Lee JH; Han JT; Kwon TH, 2020, 'Review on geotechnical engineering properties of sands treated by microbially induced calcium carbonate precipitation (MICP) and biopolymers', Construction and Building Materials, vol. 246, pp. 118415 - 118415, http://dx.doi.org/10.1016/j.conbuildmat.2020.118415

Lee S; Chung M; Park HM; Song KI; Chang I, 2019, 'Xanthan Gum Biopolymer as Soil-Stabilization Binder for Road Construction Using Local Soil in Sri Lanka', Journal of Materials in Civil Engineering, vol. 31, pp. 06019012 - 06019012, http://dx.doi.org/10.1061/(ASCE)MT.1943-5533.0002909

Tran ATP; Chang I; Cho G-C, 2019, 'Soil water retention and vegetation survivability improvement using microbial biopolymers in drylands', Geomechanics and Engineering, vol. 17, pp. 475 - 483, http://dx.doi.org/10.12989/gae.2019.17.5.475

Kwon Y-M; Chang I; Lee M; Cho G-C, 2019, 'Geotechnical engineering behavior of biopolymer-treated soft marine soil', Geomechanics and Engineering, vol. 17, pp. 453 - 464, http://dx.doi.org/10.12989/gae.2019.17.5.453

Lee S; Im J; Cho G-C; Chang I, 2019, 'Laboratory triaxial test behavior of xanthan gum biopolymer-treated sand', Geomechanics and Engineering, vol. 17, pp. 445 - 452, http://dx.doi.org/10.12989/gae.2019.17.5.445

Chang I; Cho GC, 2019, 'Shear strength behavior and parameters of microbial gellan gum-treated soils: from sand to clay', Acta Geotechnica, vol. 14, pp. 361 - 375, http://dx.doi.org/10.1007/s11440-018-0641-x

Kwon YM; Ham SM; Kwon TH; Cho GC; Chang I, 2019, 'Surface-erosion behaviour of biopolymer-treated soils assessed by EFA', Geotechnique Letters, vol. 10, pp. 1 - 7, http://dx.doi.org/10.1680/jgele.19.00106

Chang I; Kwon YM; Im J; Cho GC, 2019, 'Soil consistency and interparticle characteristics of xanthan gum biopolymer–containing soils with pore-fluid variation', Canadian Geotechnical Journal, vol. 56, pp. 1206 - 1213, http://dx.doi.org/10.1139/cgj-2018-0254

Chang I; Lee M; Cho GC, 2019, 'Global CO2 emission-related geotechnical engineering hazards and the mission for sustainable geotechnical engineering', Energies, vol. 12, pp. 2567 - 2567, http://dx.doi.org/10.3390/en12132567

Do J; Heo O; Yoon YW; Chang I, 2018, 'Geotechnical design parameter evaluation using the alluvial plain characteristics in southeastern Iraq', Arabian Journal of Geosciences, vol. 11, http://dx.doi.org/10.1007/s12517-018-4019-z

Ham SM; Chang I; Noh DH; Kwon TH; Muhunthan B, 2018, 'Improvement of surface erosion resistance of sand by microbial biopolymer formation', Journal of Geotechnical and Geoenvironmental Engineering, vol. 144, http://dx.doi.org/10.1061/(ASCE)GT.1943-5606.0001900

Kim AR; Chang I; Cho GC; Shim SH, 2018, 'Strength and Dynamic Properties of Cement-Mixed Korean Marine Clays', KSCE Journal of Civil Engineering, vol. 22, pp. 1150 - 1161, http://dx.doi.org/10.1007/s12205-017-1686-3

Chang I; Im J; Chung MK; Cho GC, 2018, 'Bovine casein as a new soil strengthening binder from diary wastes', Construction and Building Materials, vol. 160, pp. 1 - 9, http://dx.doi.org/10.1016/j.conbuildmat.2017.11.009

Ryu BH; Wang CC; Chang I, 2018, 'Development and Geotechnical Engineering Properties of KLS-1 Lunar Simulant', Journal of Aerospace Engineering, vol. 31, http://dx.doi.org/10.1061/(ASCE)AS.1943-5525.0000798

Chang I; Im J; Lee SW; Cho GC, 2017, 'Strength durability of gellan gum biopolymer-treated Korean sand with cyclic wetting and drying', Construction and Building Materials, vol. 143, pp. 210 - 221, http://dx.doi.org/10.1016/j.conbuildmat.2017.02.061

Yasuhara H; Chang I, 2017, 'Innovative and Eco-friendly Soil Treatment Technologies Preface', GEOMECHANICS AND ENGINEERING, vol. 12, pp. I - I, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000404444600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Do J; Heo SB; Yoon YW; Chang I, 2017, 'Evaluating the liquefaction potential of gravel soils with static experiments and steady state approaches', KSCE Journal of Civil Engineering, vol. 21, pp. 642 - 651, http://dx.doi.org/10.1007/s12205-016-1365-9

Yasuhara H; Chang I, 2017, 'Preface: Special issue on “Innovative and eco-friendly soil treatment technologies”', Geomechanics and Engineering, vol. 12, pp. i

Lee S; Chang I; Chung MK; Kim Y; Kee J, 2017, 'Geotechnical shear behavior of xanthan gum biopolymer treated sand from direct shear testing', Geomechanics and Engineering, vol. 12, pp. 831 - 847, http://dx.doi.org/10.12989/gae.2017.12.5.831

Qureshi MU; Chang I; Al-Sadarani K, 2017, 'Strength and durability characteristics of biopolymer-treated desert sand', Geomechanics and Engineering, vol. 12, pp. 785 - 801, http://dx.doi.org/10.12989/gae.2017.12.5.785

Kwon YM; Im J; Chang I; Cho GC, 2017, 'ε-polylysine biopolymer for coagulation of clay suspensions', Geomechanics and Engineering, vol. 12, pp. 753 - 770, http://dx.doi.org/10.12989/gae.2017.12.5.753

Im J; Tran ATP; Chang I; Cho GC, 2017, 'Dynamic properties of gel-type biopolymer-treated sands evaluated by resonant column (RC) tests', Geomechanics and Engineering, vol. 12, pp. 815 - 830, http://dx.doi.org/10.12989/gae.2017.12.5.815

Chang I; Im J; Cho GC, 2016, 'Geotechnical engineering behaviors of gellan gum biopolymer treated sand', Canadian Geotechnical Journal, vol. 53, pp. 1658 - 1670, http://dx.doi.org/10.1139/cgj-2015-0475

Chang I; Im J; Cho GC, 2016, 'Introduction of microbial biopolymers in soil treatment for future environmentally-friendly and sustainable geotechnical engineering', Sustainability (Switzerland), vol. 8, http://dx.doi.org/10.3390/su8030251

Ham SM; Kwon TH; Chang I; Chung MK, 2016, 'Ultrasonic P-wave reflection monitoring of soil erosion for erosion function apparatus', Geotechnical Testing Journal, vol. 39, pp. 301 - 314, http://dx.doi.org/10.1520/GTJ20150040

Mohd-Nordin MM; Song KI; Kim D; Chang I, 2016, 'Evolution of Joint Roughness Degradation from Cyclic Loading and Its Effect on the Elastic Wave Velocity', Rock Mechanics and Rock Engineering, vol. 49, pp. 3363 - 3370, http://dx.doi.org/10.1007/s00603-015-0879-7

Chang I; Prasidhi AK; Im J; Shin HD; Cho GC, 2015, 'Soil treatment using microbial biopolymers for anti-desertification purposes', Geoderma, vol. 253-254, pp. 39 - 47, http://dx.doi.org/10.1016/j.geoderma.2015.04.006

Chang I; Prasidhi AK; Im J; Cho GC, 2015, 'Soil strengthening using thermo-gelation biopolymers', Construction and Building Materials, vol. 77, pp. 430 - 438, http://dx.doi.org/10.1016/j.conbuildmat.2014.12.116

Chang I; Im J; Prasidhi AK; Cho GC, 2015, 'Effects of Xanthan gum biopolymer on soil strengthening', Construction and Building Materials, vol. 74, pp. 65 - 72, http://dx.doi.org/10.1016/j.conbuildmat.2014.10.026

Chang I; Jeon M; Cho GC, 2015, 'Application of microbial biopolymers as an alternative construction binder for earth buildings in underdeveloped countries', International Journal of Polymer Science, vol. 2015, http://dx.doi.org/10.1155/2015/326745

Chang I; Cho GC, 2014, 'Geotechnical behavior of a beta-1,3/1,6-glucan biopolymer-treated residual soil', Geomechanics and Engineering, vol. 7, pp. 633 - 647, http://dx.doi.org/10.12989/gae.2014.7.6.633

Chang I; Cho GC, 2012, 'Strengthening of Korean residual soil with β-1,3/1,6-glucan biopolymer', Construction and Building Materials, vol. 30, pp. 30 - 35, http://dx.doi.org/10.1016/j.conbuildmat.2011.11.030

Chang I; Kwon TH; Cho GC, 2011, 'An experimental procedure for evaluating the consolidation state of marine clay deposits using shear wave velocity', Smart Structures and Systems, vol. 7, pp. 289 - 302, http://dx.doi.org/10.12989/sss.2011.7.4.289

Chang I; Cho G-C, 2010, 'A New Alternative for Estimation of Geotechnical Engineering Parameters in Reclaimed Clays by Using Shear Wave Velocity', GEOTECHNICAL TESTING JOURNAL, vol. 33, pp. 171 - 182, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000277912400001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Chang I; Cho GC, 2010, 'A new alternative for estimation of geotechnical engineering parameters in reclaimed clays by using shear wave velocity', Geotechnical Testing Journal, vol. 33, http://dx.doi.org/10.1520/GTJ102360

Chang IH; Cho GC; Lee JG; Kim LH, 2006, 'Characterization of clay sedimentation using piezoelectric bender elements', Key Engineering Materials, vol. 321-323 II, pp. 1415 - 1420, http://dx.doi.org/10.4028/0-87849-412-x.1415

Conference Papers

Kwon YM; Chang I; Lee M; Cho GC, 2020, 'The effect of soil composition and xanthan gum biopolymer on the undrained shear strength', in 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2019

Im J; Lee S; Cho GC; Chang I, 2020, 'Effects of biopolymer on the consolidated-drained static triaxial test behavior of sand', in 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2019

Lee S; Chung M; Kwon YM; Cho GC; Chang I, 2020, 'Investigation of erosion behavior of biopolymer treated soil using laboratory hydraulic flume testing', in 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2019

Lee S; Kwon YM; Cho GC; Chang I, 2020, 'Investigation of Biopolymer Treatment Feasibility to Mitigate Surface Erosion Using a Hydraulic Flume Apparatus', in Geotechnical Special Publication, pp. 46 - 52, http://dx.doi.org/10.1061/9780784482834.006

Chang I; Tran ATP; Cho GC, 2019, 'Introduction of biopolymer-based materials for ground hydraulic conductivity control', in Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art- Proceedings of the WTC 2019 ITA-AITES World Tunnel Congress, Naples, Italy, pp. 277 - 283, presented at Proceedings of the WTC 2019 ITA-AITES World Tunnel Congress, Naples, Italy, 03 May 2019 - 09 May 2019, http://dx.doi.org/10.1201/9780429424441-29

Lee S; Im J; Cho GC; Chang I, 2019, 'Tri-axial shear behavior of xanthan gum biopolymer-treated sand', in Geotechnical Special Publication, pp. 179 - 186, http://dx.doi.org/10.1061/9780784482117.017

Tran ATP; Chang I; Im J; Cho GC, 2018, 'Upward Wetting Behavior of Unsaturated Xanthan Gum-Treated Sand', in Geotechnical Special Publication, pp. 146 - 154, http://dx.doi.org/10.1061/9780784481684.016

Im J; Chang I; Cho GC, 2017, 'Small strain stiffness and elastic behavior of gellan treated soils with confinement', in Geotechnical Special Publication, Orlando, Florida USA, pp. 834 - 841, presented at Geotechnical Frontiers 2017, Orlando, Florida USA, 12 March 2017 - 15 March 2017, http://dx.doi.org/10.1061/9780784480472.089

Tran TPA; Im J; Cho GC; Chang I, 2017, 'Soil-Water characteristics of xanthan gum biopolymer containing soils', in ICSMGE 2017 - 19th International Conference on Soil Mechanics and Geotechnical Engineering, pp. 1091 - 1094

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