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직위: 교수

전화번호: 051) 510-2497

이메일: itkim@pusan.ac.kr

연구분야: 강구조및유지관리

세부내용
- 세부내용

ㆍ 연구분야

사회기반시설은 원만하고 효율적인 사회, 경제적 활동에 대단히 중요한 역할을 하고 있기 때문에, 지속적인 기능의 유지 및 안전성 확보가 요구된다. 미국의 경우, 현재 도로의 총연장이 약 600만km이며, 기설 교량은 56만개에 달하고 있지만, 이러한 교량의 약70%가 1935년 이전에 건설되었다. 재정상태의 악화에 기인한 유지관리의 소홀로 인한 도로 및 철도시설의 사고가 1980년대부터 다수 발생하기 시작하였고, 상당수의 교량에서는 내하력 부족의 문제가 발생하고 있는 실정이다. 이에 따라, 80년대 후반부터 점검 제도의 확립 및 LCC(Life Cycle Cost)를 고려한 설계가 시작되어, 지금도 이에 관한 연구가 활발히 진행되고 있다. 우리나라와 일본의 경우, 1960년대 또는 1970년대부터 교량건설이 본격화 되었고, 현재 이러한 교량들의 공용 연수 증가에 따른 내하력 감소와 장기노화에 기인한 손상이 예상되고 있다.
본 연구실에서는 공용기간의 증가에 따라 예상되는 사회기반시설의 내하력 감소에 대한 적절한 대책을 수립하여 장기공용 및 장수명화를 위하여 사회기반시설의 유지관리공학에 대해 연구하고 있다. 지금까지 주로 강구조물을 대상으로 한 연구를 진행하여 왔으며, 이를 콘크리트 구조물 등으로 사회기반시설 전반을 대상으로 한 유지관리공학으로 확대/발전시키고 있다.

ㆍ 주요 연구분야

1. 강교의 피로 및 파괴
   - 피로실험에 의한 용접이음의 피로강도평가
   - 파괴역학을 이용한 피로수명추정
   - 구조적 응력집중을 이용한 강교의 피로수명평가

2. 사회기반시설의 부식 및 방식
   - 도장, 용사, 도금 등 방식법의 장기내구성 평가
   - 환경촉진실험을 이용한 구조재료 및 용접이음의 노화수명평가
   - 환경촉진실험법의 적용성 평가
   - 내후성강의 부식특성 및 적용성 검토

3. 강교의 유지관리
   - 강교의 내구성평가 및 내구성 향상법 개발
   - 해양구조물의 부식대책에 대한 검토
   - 장기공용에 따른 강교손상도 평가
   - LCC(Life Cycle Cost) 에 근거한 유지관리시스템 개발
   - LCCO2(Life Cycle CO2 emission)에 근거한 유지관리시스템 개발

4. 노화 구조물의 잔존수명추정 및 내하력평가
   - 부식 손상된 강구조물 및 강부재의 내하력시험
   - 해양구조물의 잔존수명 추정
   - Maintenance of Infrastructures
   - Fatigue of Weld Joints
   - Corrosion of Steel Structures
   - Long-term Durability of Bridge Coating Systems
   - Application of Fracture Mechanics
   - Durability Evaluation of Marine Structures

ㆍ 발표논문

+ PUBLICATIONS - INTERNATIONAL JOURNAL PAPERS

1. Yoshito ITOH and In-Tae KIM (2007): Accelerated cyclic corrosion tests of structural steels and its application for steel bridge coatings, Anti-corrosion Methods and Materials,Vol.53/6, pp.374-381. -SCIE.

2. Shigenobu Kainuma, Naofumi Hosomi and In-Tae Kim(2007): Fatigue behavior of corroded structural steel members in boundary with concrete, Key Engineering Materials Vols.348-349, pp. 245-248. -SCI.

3. In-Tae KIM and Yoshito ITOH (2007): Accelerated exposure tests as an e-v-a-luation tool for estimating the life of organic coatings on steel bridge, Corrosion Engineering, Science and Technology, Vol.42, No.3, pp.242-252 -SCIE.

4. Yoshiyuki SIMIZU, Yoshito ITOH and In-Tae KIM(2006): Influence of edge treatment of base steel plates on corrosion resistance of coated steel bridge, Journal of Structural Engineering, JSCE, Vol.53A, pp.825-833.

5. Yoshito Itoh, Saori Tsubouchi, In-Tae Kim and Chunlu Liu(2006): Lifecycle cost and CO2 emission comparison of conventional and rationalized bridge, Journal of Global Environment Engineering, JSCE, Vol.11, pp.45-58.

6. Saori TSUBOUCHI, Yoshito ITOH, In-Tae KIM, and Susumu MORIYA (2006): Lifecycle analysis of the steel bridge considering painting, Journal of Structural Engineering, JSCE, Vol.52A, pp. 1305-1315..

7. In-Tae KIM, Yoshito ITOH, Tatsuhisa HIDA, Akihisa KOYAMA, and Yukihiro KUTSUNA (2006): Accelerated corrosion tests for e-v-a-luating corrosion degradation of steel bridge painting systems, Journal of Structural Engineering, JSCE, Vol.52A, pp. 803-812.

8. In-Tae KIM and Shigenobu KAINUMA (2005): Fatigue behavior of load-carrying fillet welded joints inclined to uniaxial stress cycle, International Journal of Pressure Vessels and Piping, Pergamon-Elsevier Science Ltd., Vol. 82, pp.807-813. - SCI

9. Shigenobu KAINUMA and In-Tae KIM (2005): Fatigue behavior of load-carrying cruciform joints fillet-welded by different plate thickness, International Journal of Fatigue, Pergamon-Elsevier Science Ltd., Vol.27, Issue 7, pp 810-816. - SCI.

10. In-Tae KIM and Kentaro YAMADA (2005): Fatigue life e-v-a-luation of welded joints under combined normal and shear stress cycles, International Journal of Fatigue, Pergamon-Elsevier Science Ltd.,Vol.27, Issue 6, pp.695-701. - SCI

11. Saori TSUBOUCHI, Yoshito ITOH, and In-Tae KIM (2005): Lifecycle analysis of rationalized steel bridges, Journal of Structural Engineering, JSCE, Vol.51A, pp. 1725-1735.

12. Yoshito ITOH, In-Tae KIM, Tatsuhisa HIDA, Saori TSUBOUCHI, and Yukihiro KUTSUNA (2005): Corrosion degradation of metallic coating systems for steel bridges, Journal of Structural Engineering, JSCE, Vol.51A, pp. 1059-1067.

13. In-Tae KIM，Yoshito ITOH (2005): Corrosion degradation of circle-scribed coating systems for steel bridges, Journal of Structural Engineering, JSCE, Vol.51A, pp.1069-1079.

14. Shigenobu KAINUMA, In-Tae KIM, and Naofumi HOSOMI (2005): Effect of weld penetration on fatigue behavior of welded corner joints of steel structural members, Steel Construction Engineering, JSSC, Vol.11, No.44, pp.1-13.

15. Shigenobu KAINUMA, Yoshihiro KUSUMOTO, Naofumi HOSOMI, and In-Tae KIM (2004): Fatigue behavior of load-carrying fillet welded cruciform joints with plates of different thickness, Journal of the Japan Welding Society, Vol.22, No.4, pp.557-564.

16. Shigenobu KAINUMA, Naofumi HOSOMI, In-Tae KIM and Yoshito ITOH (2005): Time-dependent corrosion behavior of structural steel members in boundary with concrete，Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.780/I-70, pp.97-114.

17. Shigenobu KAINUMA, Naofumi HOSOMI, In-Tae KIM(2004): Influence of Weld Penetration Depth on Fatigue Behavior of Beam-to-column Connections in Steel Piers, Steel Construction Engineering, JSSC, Vol.11, No.44, pp.1-13.

18. In-Tae KIM (2005): Weld root crack propagation under mixed mode I and III cyclic loading, Engineering Fracture Mechanics, Pergamon-Elsevier Science Ltd., Vol.72, pp.523-534. - SCI

19. Yoshito ITOH, In-Tae KIM, Shigenobu KAINUMA, and Yoshihisa KADOTA (2004): Corrosion deterioration of painted steels with different surface preparations of steel substrates, Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.766/I-68, pp.291-307.

20. In-Tae KIM and Kentaro YAMADA (2003): Fatigue life assessment of welded joints under combined normal and shear stresses, Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.743/I-65, pp.65-75.

21. Shigenobu KAINUMA, Naofumi HOSOMI, In-Tae KIM, Yoshito ITOH, and Nobuhiro KAKINOKI (2003): Corrosion characteristics and fatigue behavior of out-of-plane welded joints, Journal of Structural Engineering, JSCE, Vol.49A, pp.707-715.

22. Yoshito ITOH, In-Tae KIM, Hiroshi OHTA, and Shigenobu KAINUMA (2003): Preliminary accelerate exposure tests of corrosion durability estimation for steels, Journal of Structural Engineering, JSCE, Vol.49A, pp.697-706.

23. In-Tae KIM (2002): A method of fatigue crack propagation life prediction of weld joints under combined stresses, Steel Construction Engineering, JSSC, Vol.9, No.36, pp.9-18.

24. In-Tae KIM, Hidemasa SHINKAI, Kentaro YAMADA and Akimasa KONDO (2002): Fatigue behavior of butt welded joints containing lack-of-penetration inclined to applied stresses, Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.703/I-59, pp.211-219.

25. Kentaro YAMADA, Zhi-Gang XIAO, In-Tae KIM, and Kazuo TATEISHI (2002): Re-analysis of fatigue test data of attachments based on stress at fillet weld toe, Journal of Structural Engineering, JSCE, Vol.48A, pp.1047-1054.

26. Kentaro YAMADA, In-Tae KIM and Kenichi ITO (2001): Fatigue behavior of inclined non-load-carrying fillet welded joints, Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.682/I-56, pp.383-390.

27. In-Tae KIM, Kentaro YAMADA, and Shigenobu KAINUMA (2001): Fatigue behavior of butt welded joints containing inclined lack-of-penetration, Journal of Structural Mechanics and Earthquake Engineering, JSCE, No.675/I-55, pp.53-62.

28. Kentaro YAMADA, Shuichiro KATO, Atsunori OKABE, In-Tae KIM, and Tatsuya OJIO (2001): Fatigue test of tensile plate with out-of-plane gussets inclined to applied stress, Journal of Structural Engineering, JSCE, Vol.47A, pp.1039-1045.

29. In-Tae KIM and Kentaro YAMADA (2001): Fatigue life prediction of an internal through crack under combined normal and out-of-plane shear stresses, Journal of Structural Engineering, JSCE, Vol.47A, pp.1029-1038.

+ PUBLICATIONS - INTERNATIONAL CONFERENCE PROCEEDINGS

1. Yamada, K., Kim, I.T. , Kondo, A. (1999): Fatigue strength of side gussets welded specimens, Proc. 7th East Asia-Pacific Conf. on Structural Engineering and Construction, Vol.1, pp. 207-212, Kochi, Japan.

2. Kim, I.T., Yamada, K., Kainuma, S., Ito, K. (1999): Fatigue test of tensile plates with inclined fillet welded ribs, Proc. 5thKorea-Japan Joint Seminar on steel bridges, pp.313-320, Busan, Korea.

3. Kim, I.T., Yamada, K. (2001): Fatigue Test of Butt welded joints containing lack-of-penetration inclined to applied stresses, Proc. 6thJapan-Korea Joint Seminar on steel bridges, pp.317-322, Tokyo, Japan.

4. Kim, I.T., Yamada, K., Shinkai, H., Kondo, A. (2001): Fatigue behavior of butt-welded joints containing lack-of-penetration inclined to applied stresses, Proc. 8th East Asia-Pacific Conf. on Structural Engineering and Construction, CD-ROM, Singapore.

5. Kainuma, S., Hoshomi, N., Kim, I.T., Itoh, Y. (2002): Fatigue behavior of corroded out-of-plane gusset welded joints, Proc. 2th Int. Conf. on Advances in structural engineering and mechanics, CD-ROM, Busan, Korea.

6. Kim, I.T., Itoh, Y., Kadota, Y., Kainuma, S. (2003): Accelerated exposure tests of painted steels with different surface preparations of steel substrate, Proc. 9th East Asia-Pacific Conf. on Structural Eng. and Construction, CD-ROM, Bali, Indonesia.

7. Kim, I.T., Itoh, Y., Kadota, Y., Kainuma, S. (2003): Corrosion characteristics of painted steels with different surface preparations, Proc. 7th Korea-Japan Joint Seminar on steel bridges, pp. 237-244, Daejeon, Korea.

8. Kim, I.T., Yamada, K. (2004): Fatigue behavior of fillet welded joints inclined to a uniaxial cyclic load, Proc. of the IIW International Conference in Osaka, IIW document No. XIII-2021-04, Osaka, Japan.

9. Tsubouchi, S., Ioth, Y., Kim, I.T. (2004): Life cycle assessment considering longevity of bridges, Proc. 2nd International Conference on Bridge Maintenance, CD-ROM, Kyoto, Japan.

10. Kim, I.T., Itoh, Y., Hida, T., Tsubouchi, S. (2005):Corrosion performance of metallic coating systems for steel bridge, Proc. 3rd International Symposium on Steel Structures, Vol.2, pp.795-800, Seoul, Korea. 11. Kim, I.T., Itoh, Y. (2005): Service life estimation of coating systems for steel bridges, Proc. 4th International Conference on Advances in Steel Structures(ICASS’05), Shanghai, China.

12. Gu, H., Itoh. Y., Kim, I.T. (2005):Accelerated exposure test studies for durability of steel bridge members, Proc. 1th international conference onadvances in experimental structural engineering, Vol.2, pp.765-772, Nagoya, Japan.

13. Kim, I.T., Itoh, Y. (2005): Corrosion-degradation prediction of steel bridge paintings，Proc. 8th Korea-Japan Joint Seminar on steel bridges, Nagoya, Japan.

14. Kim, I.T., Itoh, Y. (2006): Accelerated exposure test of uncoated and metal-coated steels and its application, Proc. 3rd International Conference on Bridge Maintenance, Safety and Management(IABMAS'06), Porto, Portugal.

15. Kim, I.T., Itoh, Y., Cheung, J.H. (2006): Durability prediction of steel bridge paintings with initial defects, Proc. 10th East Asia-Pacific Conference on Structural Engineering & Construction(EASEC-10), Bangkok, Thailand.

16. Shimizu, Y., Kim, I.T., Ioth, Y. (2006): Influence of edge geometry of base steel plate on corrosion resistance of coated steels, Proc. 10th East Asia-Pacific Conference on Structural Engineering & Construction(EASEC-10), Bangkok, Thailand.