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http://dx.doi.org/10.5762/KAIS.2016.17.11.128

Development on Repair and Reinforcement Cost Model for Bridge Life-Cycle Maintenance Cost Analysis  

Sun, Jong-Wan (Structural Eng. Research Division, Korea Institute of Civil Eng. and Building Tech.)
Lee, Dong-Yeol (Structural Eng. Research Division, Korea Institute of Civil Eng. and Building Tech.)
Park, Kyung-Hoon (Structural Eng. Research Division, Korea Institute of Civil Eng. and Building Tech.)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.17, no.11, 2016 , pp. 128-134 More about this Journal
Abstract
Estimating the repair and reinforcement (R&R) costs for each bridge member is essential for managing the life cycle of a bridge using a bridge management system (BMS). Representative members of a bridge were defined in this study, and detailed and representative R&R methods for each one were drawn in order to develop a systematic maintenance cost model that is applicable to the BMS. The unit cost for each detailed R&R method was established using the standard of estimate and historical cost data, and a systematic procedure is presented using an integration program to enable easy renewal of the R&R unit cost. Also, the average unit cost of the representative R&R methods was calculated in the form of a weighted average by considering the unit cost and application frequency of each detained R&R method. The appropriateness of the drawn average unit cost was reviewed by comparing and verifying it with the previous historical unit cost. The suggested average R&R unit cost can be used to review the validity of the required budget or the appropriateness of the R&R performance cost in the stage to establish the bridge maintenance plan. The results of this study are expected to improve the reliability of maintenance cost information and the rationality of decision making.
Keywords
Bridge Maintenance Cost; Bridge Repair and Reinforcement(R&R) Method; Repair and Reinforcement Cost Model; Life Cycle Management; Bridge Management System(BMS);
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