Developing a probable cost analysis model for comparing bridge deck rehabilitation methods
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- 作者：Hyung Seop Shim ; Seung Hyun Lee
- 关键词：life cycle cost analysis of bridge decks ; service life ; present value ; Equivalent Uniform Annual Cost (EUAC) ; monte carlo simulation ; cost benefit analysis
- 刊名：KSCE Journal of Civil Engineering
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：20
- 期：1
- 页码：68-76
- 全文大小：614 KB
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Seung Hyun Lee (2)
1. WYDOT, Washington D.C., USA
2. School of Architectural Engineering, Hongik University, Sejong, 339-701, Korea
Industrial Pollution Prevention
Automotive and Aerospace Engineering and Traffic
Geotechnical Engineering
文摘
This study investigates the probable service life and Life Cycle Cost (LCC) of three types of bridge decks used by the Wyoming Department of Transportation (WYDOT). It uses a population of 53 WYDOT bridge decks to estimate probable service life and probable LCC for construction including maintenance. These findings are used to include variability and uncertainty in estimations of present values and Equivalent Uniform Annual Costs (EUACs) for three types of bridge deck rehabilitations. All variables including service life estimate, inflation rate, construction costs, nominal discount rate, etc. used to evaluate present value and EUACs of bridge decks are treated as random variables. To accomplish this, a Monte Carlo simulation method is employed to develop the probability cost analysis models of present values and EUACs.