Ilhan Chang

Visiting Fellow
Adjunct Senior Lecturer
  • 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 Biopolymers,  Sustainable geotechnology, New material development, Soil 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)

PUBLICATIONS
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Preprints
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Noh N; Kwon Y-M; Dae KS; Cho G-C; Chang I; Yuk JM, 2022, Effect of salinity on the microscopic interaction and sedimentation behavior of halloysite clay, http://dx.doi.org/10.21203/rs.3.rs-1421994/v1
2022
Book Chapters
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Cho G-C; Chang I; Im J, 2021, 'Microbial Biopolymers as an Alternative Construction Binder', in Microbial Polymers, Springer Singapore, pp. 581 - 617, http://dx.doi.org/10.1007/978-981-16-0045-6_23
2021
Conference Papers
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Lee S; Kwon YM; Lee M; Cho GC; Chang I, 2022, 'Surface and Internal Erosion Responses of Earthen Levee Structures Reinforced by Biopolymer-Based Soil Treatment (BPST) Assessed via Open-Channel Hydraulic Flume Apparatus', in Lemnitzer A; Stuedlein AW (ed.), Geotechnical Special Publication, AMER SOC CIVIL ENGINEERS, Charlotte, NC, pp. 191 - 198, presented at 2nd Geo Congress - Advances in Monitoring and Sensing, Embankments, Slopes, and Dams, Pavements, and Geo-Education, Charlotte, NC, 20 March 2022 - 23 March 2022, http://dx.doi.org/10.1061/9780784484067.020
2022
Chang I; Cho GC; Tran ATP, 2021, 'Application of biopolymer hydrogel for ground hydraulic conductivity control under pressurized conditions', in Geotechnical Aspects of Underground Construction in Soft Ground - Proceedings of the 10th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, IS-CAMBRIDGE 2022, pp. 761 - 764, http://dx.doi.org/10.1201/9780429321559-100
2021
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
2020
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
2020
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
2020
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
2020
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
2020
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
2020
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
2020
Kwon Y-M; Chang I; Cho G-C, 2019, 'The Effect of Pore Fluid Chemistry on the Behavior of Xanthan Gum-Treated Kaolinite', in LopezAcosta NP; MartinezHernandez E; EspinosaSantiago AL; MendozaPromotor JA; Lopez AO (eds.), GEOTECHNICAL ENGINEERING IN THE XXI CENTURY: LESSONS LEARNED AND FUTURE CHALLENGES, IOS PRESS, MEXICO, Cancun, pp. 2388 - 2395, presented at 16th Pan-American Conference on Soil Mechanics and Geotechnical Engineering (PCSMGE), MEXICO, Cancun, 17 November 2019 - 20 November 2019, http://dx.doi.org/10.3233/STAL190306
2019
Chang I; Lee S; Im J; Cho GC, 2019, 'Effects of biopolymer on the unconsolidated-undrained static triaxial test behavior of sand', in 17th European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2019 - Proceedings, http://dx.doi.org/10.32075/17ECSMGE-2019-0404
2019
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
2019
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
2019
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
2018
Lee S; Chang I; Tran ATP; Cho GC, 2018, 'Introduction of a vegetation-friendly bio-based soil binder', in 11th International Conference on Geosynthetics 2018, ICG 2018, pp. 794 - 799
2018
Im J; Kwon YM; Cho GC; Chang I, 2018, 'Slope surface treatment using a bio-soil approach', in 11th International Conference on Geosynthetics 2018, ICG 2018, pp. 2381 - 2386
2018
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
2017
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
2017
Chang I; Im J; Cho GC, 2016, 'An Environmentally-Friendly Geotechnical Approach for Soil Erosion Reduction Using Microbial Biopolymers', in Geotechnical Special Publication, pp. 17 - 24, http://dx.doi.org/10.1061/9780784480120.003
2016
Chang I; Im J; Cho GC, 2016, 'Soil-Hydraulic Conductivity Control via a Biopolymer Treatment-Induced Bio-Clogging Effect', in Geotechnical and Structural Engineering Congress 2016 - Proceedings of the Joint Geotechnical and Structural Engineering Congress 2016, pp. 1006 - 1015, http://dx.doi.org/10.1061/9780784479742.085
2016
Im J; Cho GC; Chang I, 2016, 'A New Soil Treatment Method Using Casein from Bovine Milk', in Geotechnical Special Publication, pp. 1 - 6, http://dx.doi.org/10.1061/9780784480120.001
2016
Ham SM; Kwon TH; Chang I, 2015, 'Preliminary study on P-wave monitoring of soil erosion in SRICOS-EFA method', in 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015: New Innovations and Sustainability, pp. 1757 - 1760, http://dx.doi.org/10.3208/jgssp.KOR-32
2015
Chang I; Im J; Shin HD; Cho GC, 2015, 'Biochemical soil treatment for erosion control against desertification', in Geotechnical Engineering for Infrastructure and Development - Proceedings of the XVI European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2015, pp. 2767 - 2771
2015
Chang I; Shin Y; Cho GC, 2015, 'Optimum thickness decision of biopolymer treated soil for slope protection on the soil slope', in Computer Methods and Recent Advances in Geomechanics - Proceedings of the 14th Int. Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014, pp. 1643 - 1648, http://dx.doi.org/10.1201/b17435-290
2015
Chang I; Im J; Cho GC, 2015, 'Soil particle composition effect on the strengthening behavior of biopolymer treatment', in Geomechanics from Micro to Macro - Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, IS-Cambridge 2014, pp. 1487 - 1490, http://dx.doi.org/10.1201/b17395-270
2015
Chang I; Cho GC, 2014, 'Elastic wave behaviors of beta-glucan biopolymer-treated residual soil', in Geotechnical Special Publication, pp. 1567 - 1575, http://dx.doi.org/10.1061/9780784413272.153
2014
Chang I; Cho G-C; Santamarina JC, 2013, 'SOIL EROSION CONTROL AND VEGETATION STABILIZATION USING BIOGENIC BIOPOLYMERS', in Cui YJ; Emeriault F; Cuira F; Ghabezloo S; Pereira JM; Reboul M; Ravel H; Tang AM (eds.), PROCEEDINGS OF THE 5TH INTERNATIONAL YOUNG GEOTECHNICAL ENGINEERS' CONFERENCE (IYGEC 2013), IOS PRESS, FRANCE, Ecole Ponts ParisTech, Marne la Vallee, pp. 77 - 80, presented at 5th International Young Geotechnical Engineers' Conference (iYGEC), FRANCE, Ecole Ponts ParisTech, Marne la Vallee, 31 August 2013 - 01 September 2013, http://dx.doi.org/10.3233/978-1-61499-297-4-77
2013
Kim AR; Cho GC; Kwon TH; Chang IH, 2013, 'Practical reviews on CO2 sequestration in Korean sedimentary basins and geophysical responses of CO2-injected sediments', in 18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics, ICSMGE 2013, pp. 567 - 570
2013
Kim A-R; Chang I; Cho G-C; Kang Y-I, 2011, 'Strain-dependent Dynamic Characteristics of Cement-treated Clay', in Chung CK; Kim HK; Lee JS; Jung YH; Kim DS (eds.), DEFORMATION CHARACTERISTICS OF GEOMATERIALS, PTS 1 AND 2, IOS PRESS, SOUTH KOREA, Seoul, pp. 779 - 784, presented at 5th International Symposium on Deformation Characteristics of Geomaterials (IS), SOUTH KOREA, Seoul, 01 September 2011 - 03 September 2011, http://dx.doi.org/10.3233/978-1-60750-822-9-779
2011
Chang I; Cho GC, 2007, 'A laboratory procedure to characterize reclaimed clay deposits using shear waves', in Geotechnical Special Publication, http://dx.doi.org/10.1061/40908(227)3
2007
Journal articles
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Kwon YM; Chang I; Cho GC, 2023, 'Consolidation and swelling behavior of kaolinite clay containing xanthan gum biopolymer', Acta Geotechnica, http://dx.doi.org/10.1007/s11440-023-01794-8
2023
Qureshi MU; Mahmood Z; Farooq QU; Qureshi QBIL; Al-Handasi H; Chang I, 2022, 'Engineering characteristics of dune sand-fine marble waste mixtures', Geomechanics and Engineering, vol. 28, pp. 547 - 557, http://dx.doi.org/10.12989/gae.2022.28.6.547
2022
Shabani K; Bahmani M; Fatehi H; Chang I, 2022, 'Improvement of the geotechnical engineering properties of dune sand using a plant-based biopolymer named serish', Geomechanics and Engineering, vol. 29, pp. 535 - 548, http://dx.doi.org/10.12989/gae.2022.29.5.535
2022
Lee M; Kwon YM; Park DY; Chang I; Cho GC, 2022, 'Durability and strength degradation of xanthan gum based biopolymer treated soil subjected to severe weathering cycles', Scientific Reports, vol. 12, http://dx.doi.org/10.1038/s41598-022-23823-4
2022
Fatehi H; Ong DEL; Yu J; Chang I, 2021, 'Biopolymers as green binders for soil improvement in geotechnical applications: A review', Geosciences (Switzerland), vol. 11, pp. 291 - 291, http://dx.doi.org/10.3390/geosciences11070291
2021
Chang I; Kwon YM; Cho GC, 2021, 'Effect of Pore-Fluid Chemistry on the Undrained Shear Strength of Xanthan Gum Biopolymer-Treated Clays', Journal of Geotechnical and Geoenvironmental Engineering, vol. 147, http://dx.doi.org/10.1061/(ASCE)GT.1943-5606.0002652
2021
Tran TPA; Cho H; Cho GC; Han JI; Chang I, 2021, 'Nickel (Ni2+) removal from water using gellan gum–sand mixture as a filter material', Applied Sciences (Switzerland), vol. 11, pp. 7884 - 7884, http://dx.doi.org/10.3390/app11177884
2021
Seo S; Lee M; Im J; Kwon YM; Chung MK; Cho GC; Chang I, 2021, 'Site application of biopolymer-based soil treatment (BPST) for slope surface protection: in-situ wet-spraying method and strengthening effect verification', Construction and Building Materials, vol. 307, http://dx.doi.org/10.1016/j.conbuildmat.2021.124983
2021
Im J; Chang I; Cho GC, 2021, 'Effects of malonic acid crosslinked starch for soil strength improvement', Transportation Geotechnics, vol. 31, pp. 100653 - 100653, http://dx.doi.org/10.1016/j.trgeo.2021.100653
2021
Lee M; Im J; Cho GC; Ryu HH; Chang I, 2021, 'Interfacial shearing behavior along xanthan gum biopolymer-treated sand and solid interfaces and its meaning in geotechnical engineering aspects', Applied Sciences (Switzerland), vol. 11, pp. 1 - 23, http://dx.doi.org/10.3390/app11010139
2021
Qureshi MU; Alsaidi M; Aziz M; Chang I; Rasool AM; Kazmi ZA, 2021, 'Use of reservoir sediments to improve engineering properties of dune sand in oman', Applied Sciences (Switzerland), vol. 11, pp. 1 - 13, http://dx.doi.org/10.3390/app11041620
2021
Lee M; Im J; Chang I; Cho GC, 2021, 'Evaluation of injection capabilities of a biopolymer based grout material', Geomechanics and Engineering, vol. 25, pp. 31 - 40, http://dx.doi.org/10.12989/gae.2021.25.1.031
2021
Kwon YM; Cho GC; Chung MK; Chang I, 2021, 'Surface erosion behavior of biopolymer treated river sand', Geomechanics and Engineering, vol. 25, pp. 49 - 58, http://dx.doi.org/10.12989/gae.2021.25.1.049
2021
Kwon YM; Ham SM; Kwon TH; Cho GC; Chang I, 2020, 'Surface-erosion behaviour of biopolymer-treated soils assessed by EFA', Geotechnique Letters, vol. 10, pp. 106 - 112, http://dx.doi.org/10.1680/jgele.19.00106
2020
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
2020
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
2020
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
2020
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
2019
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
2019
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
2019
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
2019
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
2019
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
2019
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
2019
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
2018
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
2018
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
2018
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
2018
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
2018
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
2017
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
2017
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
2017
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
2017
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
2017
Yasuhara H; Chang I, 2017, 'Innovative and Eco-friendly Soil Treatment Technologies Preface', GEOMECHANICS AND ENGINEERING, vol. 12, pp. I - I, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000404444600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1
2017
Yasuhara H; Chang I, 2017, 'Preface: Special issue on “Innovative and eco-friendly soil treatment technologies”', Geomechanics and Engineering, vol. 12, pp. i
2017
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
2017
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
2016
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
2016
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
2016
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
2016
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
2015
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
2015
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
2015
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
2015
Ryu B-H; Baek Y; Kim Y-S; Chang I, 2015, 'Basic Study for a Korean Lunar Simulant (KLS-1) Development', Journal of the Korean Geotechnical Society, vol. 31, pp. 53 - 63, http://dx.doi.org/10.7843/kgs.2015.31.7.53
2015
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
2014
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
2012
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
2011
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
2010
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, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000277912400001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1
2010
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
2006

AREA OF EXPERTISE
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Geotechnical engineering, Bio-soil studies, Biopolymer application to geotechnical engineering, Sustainable geotechnical engineering, Ground improvement, Materials in geotechnical and civil engineering, Biological-Chemical-Geotechnical processes and interactions, Environmental geotechnology, Elastic wave monitoring, Site application and practical implementation methods

Organisational units
lensSchool of Engineering & Information Technology
Sub Theme
lensSustainable Infrastructure