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Sun-Gyu Choi



Sun-Gyu Choi

Post Doctoral Researcher
Department of Civil and Environmental Engineering
Korea Advanced Institute of Science and Technology (KAIST)
291 Daehak-ro, Yuseong-gu,Daejeon 305-701, Republic of Korea
Office: 82-42-350-5668
Email:choisg@kaist.ac.kr





I. EDUCATION

2002. 3 – 2006. 2. 경상대학교 토목공학과 (공학학사)

2006. 3 – 2008. 8. 경북대학교 건축토목공학부 (공학석사)

2011. 3 – 2014. 2. 경북대학교 건축토목공학부 (공학박사)


II. EMPLOYMENT

2009. 3 – 2011. 2. 바우컨설턴트 (대리)

2014. 3 – 2014.11. 경북대학교 방재연구소 박사 후 연구원

2014. 11 – 2016. 9. Iowa State University (아이오와 주립대학교) 박사 후 연구원 (미국)

2016. 11 – 2017 2. Nanyang Technological University (난양기술대학교) 박사 후 연구원 (싱가포르)

2017. 3 – 현재. KAIST 박사 후 연구원

 

III. RESEARCH AREA AND INTEREST

2016. 10 – 현재Biogrouting For Underground Construction - A New TechnologyTo Maximise The Usage Of Underground Space In Singapore (Ministry of National Development, Singapore)

2015. 10 – 2016. 5. Developed an eco-friendly, cost-effective biogrout for concrete crack repair (Midwest Transportation Center, Iowa, USA)

2011.5 - 2015.5. Developed an environmental-friendly soil binder using microorganisms (Korea Agency for Infrastructure Technology Advancement, Seoul, Korea)

2012.11 - 2016.11. Developed microbial-based environmental materials for artificial reef blocks (Korea Agency for Infrastructure Technology Advancement, Seoul, Korea)

2012.10 - 2017.7. Developed a three-dimensional numerical method for simulation and prediction of large soil deformation and flow events (National Research Foundation of Korea, Seoul, Korea)


IV. Journal Articles

<Journal – SCI(E)>

1. Sun-Gyu Choi, Sung-Sik Park, Jian Chu, Shifan Wu (2017) “Methods for calcium carbonate measurement of biocemented soils” Journal of Materials in Civil Engineering, 29(11), 6017015.

2. Sun-Gyu Choi, Jian Chu, Robert Brown, Kejin Wang, Zhiyou Wen (2017) “Sustainable biocement production via microbially-induced calcium carbonate precipitation: use of limestone and acetic acid derived from pyrolysis of lignocellulosic biomass” ACS Sustainable Chemistry & Engineering , 5(6), 5183-5190.

3. Sun-Gyu Choi, Kejin Wang, Zhiyou Wen, Jian Chu (2017) Mortar Crack Repair using Microbial Induced Calcite Precipitation MethodCement and Concrete Composites, 83, 209-221.

4. Sun-Gyu Choi, Kejin Wang, Jian Chu (2016) “Properties of biocemented, fiber reinforced sand” Constr. and Build. Mater., 120 (1), 623-629.

5. Sun-Gyu Choi, Shifan Wu, Jian Chu (2016) “Biocementation for sand using eggshell as calcium source” J. Geotech. Geoenviron. Eng., 140 (10), 06016010.

6. Sung-Sik Park, Sun-Gyu Choi, In-Hyun Nam (2014) “Effect of plant-induced calcite precipitation on strength of sand” J. Mater. Civ. Eng., 10.1061/(ASCE)MT.1943-5533.0001029, 06014017.

7. In-Hyun Nam, Chul-Min Chon, Ka-Young Jung, Sun-Gyu Choi, Hyeok-Sun Choi, Sung-Sik Park (2015) “Calcite Precipitation by Ureolytic Plant (Canavalia ensiformis) Extracts as Effective Biomaterials, KSCE J. Civil Eng., 19(6), 1620-1625.

<Domestic Journal>

1. 최선규, 박성식, 채경헌 (2015), “극한미생물과 저가 배지를 이용한 지반고결제의 현장 적용 연구”, 한국지반공학회논문집, 31(1), 37-46.

1. 박성식, 최선규, 남인현 (2014), “고로슬래그와 극한미생물을 이용한 모래의 고결에 관한 연구”, 한국지반공학회논문집, 30(1), 93-101.

2. 박성식, 최선규, 류주형 (2013), “유기질토의 함수비 측정에 관한 연구”, 한국지반공학회논문집, 29, 10, pp. 29-37.

3. 박성식, 최선규 (2013), “자갈 섞인 모래의 건조밀도 계산에 관한 실험 연구”, 한국지반공학회논문집, 29, 7, pp. 37-46.

4. 박성식, 최선규 (2013), “고로슬래그와 알칼리 활성화제를 이용한 모래 고결 및 조기강도에 관한 연구”, 한국지반공학회논문집, 29, 4, pp. 45-56.

5. 박성식, 최선규, 남인현 (2012), “식물추출액을 이용한 지반 고결제 개발”, 한국지반공학회논문집, 28, 3, pp. 67-75.

6. 박성식, 최선규, 김동락 (2012), “공시체의 직경이 사질토의 비배수 및 배수 전단거동에 미치는 영향”, 한국지반공학회논문집, 28, 3, pp. 15-23.

7. 박성식, 최선규 (2011), “세립분이 고결모래의 일축압축강도에 미치는 영향”, 대한토목학회논문집, 31, 6C, pp. 213-220.

<Patent>

1. 박성식, 남인현, 최선규 (2011.12) “콩을 이용한 지반의 천연고결제 및 이를 이용한 지반의 고결화 방법” 제 2011-0128296 .