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김종길(Kim Jong-Gil),손용우(Sohn Yong-Woo),이중빈(Lee Cheung-Bin),주필성(Ju Pill-Seong),안영기(Ahn Young-Ki) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
Recently, the corrosion and aging of infrastructures are of great concern impracitice. The uncertainties of the corroded reinforced bars in concrete influences not only the safety of the bridge structures, but also the flexural strength of reinforced concrete members. This paper considers these uncertainties by providing a reliability-based framework and shows that the identification of the optimum maintenance scenario is a straightforward process. This is achieved by using a computer program for Life Cycle Cost Analysis of Deteriorating Structures(LCCADS). This program can consider the effects of various types of actions on the reliability index profile of a deteriorating structures. Only the effect of maintenance interventions is considered in this study. However, any environmental or mechanical action affecting the reliability index profile can be considered in LCCADS. Numerical examples of deteriorating infrastructures are presented to illustrate the capability of the proposed approach. Further development and implementation of this approach are recommended for future research.
김종길 ( Kim¸ Jong-gil ),손용우 ( Sohn¸ Yong-woo ),이증빈 ( Lee¸ Cheung-bin ),주필성 ( Ju¸ Pill-seong ),안영기 ( Ahn¸ Young-ki ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.2
Recently, the corrosion and aging of infrastructures are of great concern impracitice. The uncertainties of the corroded reinforced bars in concrete influences not only the safety of the bridge structures, but also the flexural strength of reinforced concrete members. This paper considers these uncertainties by providing a reliability-based framework and shows that the identification of the optimum maintenance scenario is a straightforward process. This is achieved by using a computer program for Life Cycle Cost Analysis of Deteriorating Structures (LCCADS). This program can consider the effects of various types of actions on the reliability index profile of a deteriorating structures. Only the effect of maintenance interventions is considered in this study. However, any environmental or mechanical action affecting the reliability index profile can be considered in LCC ADS. Numerical examples of deteriorating infrastructures are presented to illustrate the capability of the proposed approach. Further development and implementation of this approach are recommended for future research.