Research Group

ACADEMIC PUBLICATIONS

Books / Chapters

• [B1] Cho, G.C., Chang, I., and Im, J., 2021, Microbial Biopolymers as an Alternative Construction Binder, Chapter of Microbial Polymers: An Ecological Perspectives (Eds.: Vaishnav, A. and Choudhary, D.K.), pp. 581-617, Springer, Singapore. ISBN: 978-981-16-0044-9 (May 1, 2021). (https://doi.org/10.1007/978-981-16-0045-6_23)

Journal Papers

2021

• [J40] Chang, I., Kwon, Y.M., and Cho, G.C., 2021, "Effect of pore-fluid chemistry on the undrained shear strength of xanthan gum biopolymer-treated clays", Journal of Geotechnical and Geoenvironmental Engineering, ASCE (Accepted, In Press).

• [J39] Kwon, Y.M., Cho, G.C., Chung, M.K., and Chang, I., 2021, "Surface erosion behavior of biopolymer-treated river sand", Geomechanics and Engineering, Techno Press, Vol. 25, No. 1, pp. 49-58. (

• [J38] Lee, M., Im, J., Chang, I., and Cho, G.C., 2021, "Evaluation of injection capabilities of a biopolymer-based grout material", Geomechanics and Engineering, Techno Press, Vol. 25, No. 1, pp. 31-40. (

• [J37] Qureshi, M.U., Alsaidi, M., Aziz, M., Chang, I.*, Rasool, A.M., and Kazmi, Z.A., 2021, “Use of reservoir sediments to improve engineering properties of dune sand in Oman”, Applied Sciences, MDPI, Vol. 11, No. 4, Article 1620, 13 pages (

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2020

• [J36] Lee, M., Im, J., Cho, G.C., Ryu, H.H, and Chang, I.*, 2020, "Interfacial shearing behavior along xanthan gum biopolymer-treated sand and solid interfaces and its meaning in geotechnical engineering aspects", Applied Sciences, MDPI, Vol. 11, No. 1, Article 139, 23 pages. (

• [J35] Ryu, B.H., Lee, S., and Chang, I.*, 2020, “Pervious pavement blocks made from recycled polyethylene terephthalate (PET): Fabrication and engineering properties”, Sustainability, MDPI, Vol. 12, No. 16, Article 6356. (

• [J34] Chang, I., Lee, M., Tran, A.T.P., Lee, S., Kwon, Y.M., Im, J., and Cho, G.C.*, 2020, “Review on biopolymer-based soil treatment (BPST) technology in geotechnical engineering practices”, Transportation Geotechnics, Elsevier, Vol. 24, Article 100385, 22 pages.

• [J33] Choi, S.G., Chang, I., Lee, M., Lee, J.H., Han, J.T., and Kwon, T.H.*, 2020, “Review on geotechnical engineering properties of sands treated by microbially induced calcium carbonate precipitation (MICP) and biopolymers”, Construction and Building Materials, Elsevier, Vol. 246, Article 118415, 14 pages. 

• [J32] Kwon, Y.M., Ham, S.M., Kwon, T.H., Cho, G.C., and Chang, I.*, 2020, “Surface-erosion behaviour of biopolymer-treated soils assess by erosion function apparatus”, Géotechnique Letters, ICE Publishing, Vol. 10, No. 2, 7 pages. 

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2019

• [J31] Chang, I., Kwon, Y.M., Im, J., and Cho, G.C.*, 2019, “Soil consistency and inter-particle characteristics of xanthan gum biopolymer containing soils with pore-fluid variation”, Canadian Geotechnical Journal, NRC Research Press (

• [J30] Lee, S., Chung, M.K., Park, H.M., Song, K.I., and 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, ASCE, Vol. 31, No. 11, pp. 060190120:1-9 (doi: 10.1061/(ASCE)MT.1943-5533.0002909)

• [J29] Chang, I., Lee, M.H., and Cho, G.C.* 2019, “Global CO2 emission-related geotechnical engineering hazards and the mission for sustainable geotechnical engineering”, Energies, MDPI, Vol. 12, No. 13, Article 2567, 22 pages. (

• [J28] Chang, I. and Cho, G.C.*, 2019, "Shear strength behavior and parameters of microbial gellan gum treated soils: from sand to clay", Acta Geotechnica, Springer, Vol. 14, No. 2, pp. 361-375. (doi:

• [J27] Tran, A.T.P., Chang, I., and Cho, G.C.*, 2019, “Soil water retention and vegetation growth improvement using microbial biopolymers for anti-desertification practices”, Geomechanics and Engineering, Techno Press, Vol. 17, No. 5, pp. 475-483.

• [J26] Kwon, Y.M., Chang, I., Lee, M.H., and Cho, G.C.*, 2019, “Geotechnical engineering behaviors of biopolymer-treated soft marine soil”, Geomechanics and Engineering, Techno Press, Vol. 17, No. 5, pp. 453-464.

• [J25] Lee, S., Im, J., Cho, G.C., and Chang, I.*, 2019, “Laboratory triaxial test behavior of xanthan gum biopolymer-treated sand”, Geomechanics and Engineering, Techno Press, Vol. 17, No. 5, pp. 445-452.

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2018

• [J24] Do, J., Heo, O., Yoon, Y.W., and Chang, I.*, 2018, “Characteristics of alluvial plain in southeastern Iraq for evaluating soil design parameters”, Arabian Journal of Geosciences, Springer, Vol. 11, No. 20, Article Number 647. (https://doi.org/10.1007/s12517-018-4019-z)

• [J23] 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, 10.1061/(ASCE)GT.1943-5606.0001900

• [J22] Chang, I., Im, J., Chung, M., and Cho, G.C.* (2018). Bovine casein as a new soil strengthening binder from diary wastes. Construction and Building Materials, Elsevier, Vol. 160, pp. 1-9. (doi: 10.1016/j.conbuildmat.2017.11.009)

• [J21] Kim, A. R., Chang, I., Cho, G. C.*, & Shim, S. H. (2017). Strength and dynamic properties of cement-mixed Korean marine clays. KSCE Journal of Civil Engineering, 1-12. doi:10.1007/s12205-017-1686-3

• [J20] Ryu, B.H., Wang, C.C., and Chang, I.* (2018). Development and geotechnical properties of KLS-1 lunar simulant. Journal of Aerospace Engineering, ASCE, Vol. 31, No. 1, pp. 04017083-1~11. doi: 10.1061/(ASCE)AS.1943-5525.0000798

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2017

• [J19] Chang, I., Im, J., Lee, S. W., & Cho, G. C.* (2017). Strength durability of gellan gum biopolymer-treated Korean sand with cyclic wetting and drying. Construction and Building Materials, 143, 210-221. doi:10.1016/j.conbuildmat.2017.02.061

• [J18] Do, J., Heo, S. B., Yoon, Y. W., & Chang, I.* (2017). Evaluating the liquefaction potential of gravel soils with static experiments and steady state approaches. KSCE Journal of Civil Engineering, 21(3), 642-651. doi:10.1007/s12205-016-1365-9

• [J17] Kwon, Y. M., Im, J., Chang, I., & Cho, G. C.* (2017). ε-polylysine biopolymer for coagulation of clay suspensions. Geomechanics and Engineering, 12(5), 753-770. doi:10.12989/gae.2017.12.5.753

• [J16] Qureshi, M. U., Chang, I., & Al-Sadarani, K. (2017). Strength and durability characteristics of biopolymer-treated desert sand. Geomechanics and Engineering, 12(5), 785-801. doi:10.12989/gae.2017.12.5.785

• [J15] Lee, S., Chang, I.*, Chung, M. K., Kim, Y., & Kee, J. (2017). Geotechnical shear behavior of xanthan gum biopolymer treated sand from direct shear testing. Geomechanics and Engineering, 12(5), 831-847. doi:10.12989/gae.2017.12.5.831

• [J14] Im, J., Tran, A. T. P., Chang, I., & Cho, G. C. (2017). Dynamic properties of gel-type biopolymer-treated sands evaluated by resonant column (RC) tests. Geomechanics and Engineering, 12(5), 815-830. doi:10.12989/gae.2017.12.5.815

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2016

• [J13] Chang, I., Im, J., & Cho, G. C. (2016). Geotechnical engineering behaviors of gellan gum biopolymer treated sand. Canadian Geotechnical Journal, 53(10), 1658-1670. doi:10.1139/cgj-2015-0475

• [J12] Chang, I., Im, J., & Cho, G. C. (2016). Introduction of microbial biopolymers in soil treatment for future environmentally-friendly and sustainable geotechnical engineering. Sustainability, MDPI, 8(3). doi:10.3390/su8030251

• [J11] Ham, S. M., Kwon, T. H., Chang, I., & Chung, M. K. (2016). Ultrasonic P-wave reflection monitoring of soil erosion for erosion function apparatus. Geotechnical Testing Journal, 39(2), 301-314. doi:10.1520/GTJ20150040

• [J10] Mohd-Nordin, M. M., Song, K. I., 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, 49(8), 3363-3370. doi:10.1007/s00603-015-0879-7

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2015

• [J9] Chang, I., Prasidhi, A. K., Im, J., Shin, H. D., & Cho, G. C. (2015). Soil treatment using microbial biopolymers for anti-desertification purposes. Geoderma, 253-254, 39-47. doi:10.1016/j.geoderma.2015.04.006

• [J8] Chang, I., Prasidhi, A. K., Im, J., & Cho, G. C. (2015). Soil strengthening using thermo-gelation biopolymers. Construction and Building Materials, 77, 430-438. doi:10.1016/j.conbuildmat.2014.12.116

• [J7] Chang, I., Im, J., Prasidhi, A. K., & Cho, G. C. (2015). Effects of Xanthan gum biopolymer on soil strengthening. Construction and Building Materials, 74, 65-72. doi:10.1016/j.conbuildmat.2014.10.026

• [J6] Chang, I., Jeon, M., & Cho, G. C. (2015). Application of microbial biopolymers as an alternative construction binder for earth buildings in underdeveloped countries. International Journal of Polymer Science, 2015. doi:10.1155/2015/326745

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~2014

• [J5] Chang, I., & Cho, G. C. (2014). Geotechnical behavior of a beta-1,3/1,6-glucan biopolymer-treated residual soil. Geomechanics and Engineering, 7(6), 633-647. doi:10.12989/gae.2014.7.6.633

• [J4] Chang, I., & Cho, G. C. (2012). Strengthening of Korean residual soil with β-1,3/1,6-glucan biopolymer. Construction and Building Materials, 30, 30-35. doi:10.1016/j.conbuildmat.2011.11.030

• [J3] Chang, I., Kwon, T. H., & Cho, G. C. (2011). An experimental procedure for evaluating the consolidation state of marine clay deposits using shear wave velocity. Smart Structures and Systems, 7(4), 289-302.

• [J2] 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, 33(3). doi:10.1520/GTJ102360

• [J1] Chang, I. H., Cho, G. C., Lee, J. G., & Kim, L. H. (2007). Characterization of clay sedimentation using piezoelectric bender elements. Key Engineering Materials, 321-323 II, 1415-1420.

Conference Papers (Scopus; Peer-reviewed)

• [C23] 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, ROS ID: 1536243

• [C22]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, ROS ID: 1527652

• [C21] 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, ROS ID: 1536242

• [C20] 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, ROS ID: 1536244

• [C19] 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, ROS ID: 1462591

• [C18] 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, ROS ID: 1439022

• [C17] 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, ROS ID: 1570710

• [C16] 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, ROS ID: 1571129

• [C15] 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, ROS ID: 1362650

• [C14] 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, ROS ID: 906466

• [C13] 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, ROS ID: 1316369

• [C12] Im J; Cho GC; Chang I, 2016, 'A New Soil Treatment Method Using Casein from Bovine Milk', in Geotechnical Special Publication, pp. 1 - 6, ROS ID: 908343

• [C11] 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, ROS ID: 899710

• [C10] 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, ROS ID: 899713

• [C9] 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, ROS ID: 899714

• [C8] 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, ROS ID: 899724

• [C7] 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, ROS ID: 899711

• [C6] 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, ROS ID: 899725

• [C5] Chang I; Cho GC, 2014, 'Elastic wave behaviors of beta-glucan biopolymer-treated residual soil', in Geotechnical Special Publication, pp. 1567 - 1575, ROS ID: 899727

• [C4] 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, Ecole Ponts ParisTech, Marne la Vallee, FRANCE, pp. 77 - 80, presented at 5th International Young Geotechnical Engineers' Conference (iYGEC), Ecole Ponts ParisTech, Marne la Vallee, FRANCE, 31 August 2013 - 01 September 2013, ROS ID: 980172

• [C3] 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, ROS ID: 980170

• [C2] 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, Seoul, SOUTH KOREA, pp. 779 - 784, presented at 5th International Symposium on Deformation Characteristics of Geomaterials (IS), Seoul, SOUTH KOREA, 01 September 2011 - 03 September 2011, ROS ID: 980173

• [C1] Chang I; Cho GC, 2007, 'A laboratory procedure to characterize reclaimed clay deposits using shear waves', in Geotechnical Special Publication, ROS ID: 899733

Academic Dissertations

Doctor of Philosophy (Ph.D)

• [TD3] Jooyoung Im (2020). Polysaccharide Biopolymers in Sands: Properties and behaviors. Ph.D. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea

• [TD3] An Thi Phuong Tran (2019). Characterization of Biopolymer-treated Soils Considering Soil-Water-Hydrogel Interaction, Ph.D. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea

• [TD1] Chang, Ilhan. (2010). Biopolymer treated Korean Residual Soil: Geotechnical behavior and Applications, Ph. D. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.

Master of Science (M.S)

• [TM6] Park, Suhyuk (2021). Evaluation of the pullout behavior of a ground reinforcement member considering different expansion width and inclination conditions, M.S. Thesis, Ajou University, Suwon, Republic of Korea

• [TM5] Kwon, Yeong-Man (2017). A study on geotechnical behavior of biopolymer treated fine soils, M.S. Thesis, Korea Advanced Institute of Science and Technology  (KAIST), Daejeon, Republic of Korea.

• [TM4] Im, Jooyoung. (2016). Structural and behavioral analysis on gellan treated soils, M.S. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.

• [TM3] Prasidhi, Awlia Kharis. (2013). Geotechnical properties of gellan gum-treated sand, M.S. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.

• [TM1] Chang, Il Han. (2006). Evaluation of the Consolidation State and Strength of Soft Clay using Shear Waves, M.A.Sc. Thesis, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.