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Optimal Design of PSC-I Girder Bridge Considering Life Cycle Cost  

Park, Jang-Ho (Division of Environmental, Civil and Transportation Engineering, Ajou University)
Shin, Yung-Seok (Division of Environmental, Civil and Transportation Engineering, Ajou University)
Publication Information
Journal of the Korean Society of Safety / v.24, no.5, 2009 , pp. 48-56 More about this Journal
Abstract
This paper presents the procedure for the optimal design of a PSC-I girder bridge considering life cycle cost (LCC). The load carrying capacity curves for the concrete deck, PSC-I girder and $\pi$-type pier were derived and used for the estimate of service lives. Total life cycle cost for the service life was calculated as sum of initial cost, damage cost, maintenance cost, repair and rehabilitation cost, user cost, and disposal cost. The advanced First Order Second Moment method was used to estimate the damage cost. The optimization method was applied to the design of PSC-I girder bridge. The objective function was set to the annual cost, which is defined by dividing the total life cycle cost by the service life, and constraints were formulated on the basis of Korean Standards. The optimal design was performed for various service lives and the effects of design factors were investigated.
Keywords
optimization; PSC-I girder bridge; life cycle cost; load carrying capacity curve; damage cost; user cost;
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1 Frangopol, D.M., Lin, K. Y., and Estes, A.C., ' Lifecycle cost design of deterioration structures,' J. Structural Engineering, Vol. 123, pp. 1390-1401 , 1997   DOI   ScienceOn
2 시설안전기술공단， LCC 개념을 도입한 시설안전 관리체계 선진화 방안 연구， 2001
3 안예준， 이현섭， 박장호， 신영석， '바닥판과 주형의 유지보수이력을 고려한 LCC 최적설계', 전산 구조공학회 학술발표회 논문집， 제18권， 제1집， pp. 719-726, 2005
4 Haldar, A. and Mahadevan, S., Probability, Reliability and Statistical Methods in Engineering Design, John Wiley & Sons Inc., 2000
5 중앙대학교건설산업기술연구소， LCC 기법을이용한 교량 형태별 경제성 분석 및 경제적 수명 예측에 관한 연구， 한국도로공사 연구과제， 2001
6 시설안전기술공단， 도로교의 공용수명 연장방안 연구， 2000
7 한국콘크리트학회，콘크리트구조설계기준， 2003
8 건설교통부， 건설기술관리법 시행령， 대통령령 제16765호， 시행일2000.7. 1
9 고현무， 김용길， 김동석， 함대기， '지진으로 인한 손상평가를 통한 교량 구조물의 생애주기비용최소화', 대한토목학회 학술발표회 논문집， pp. 1131-1135, 2001
10 한국도로교통협회，도로교설계기준， 2005
11 Kayser, J.R and Nowak, A. S., ' Capacity loss due to corrosion in steel girder bridges,' J. Structural Engineering, Vol. 115, pp. 992 -1006, 1989
12 Berthelot, C.F., Sparks, G.A., Blomme, T., Kajner, L., and Nickeson, M., 'Mechanistic probabilistic vehicle operating cost model,' J. Transportation Engineering, Vol. 122, pp. 337-341 , 1996   DOI   ScienceOn
13 De Brito, J. and Branco, F.A., 'Bridge managemεnt policy using cost analysis,' Proc. Institution of Civil Engineers, Structures and Buildings, pp. 431-439, 1995