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Title |
A Study on the Performance-Based Bridge Asset Valuation Methods Considering Hazard
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Authors |
이용준(Yong-Jun Lee) ; 박경훈(Kyung-Hoon Park) ; 선종완(Jong-Wan Sun) |
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DOI |
https://doi.org/10.11112/jksmi.2024.28.5.30 |
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Keywords |
자산가치 평가; 교량성능; 위험성; 위험요인; 교량관리시스템 (BMS) Asset valuation; Bridge performance; Hazard; Risk factor; Bridge management system (BMS) |
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Abstract |
The valuation of infrastructure assets is typically conducted using the straight-line method, which employs the depreciated replacement cost as a basis. However, this approach has the limitation of failing to accurately reflect the actual value of the facility. In light of these considerations, the performance-based depreciation (PBD) method has been proposed as a means of evaluating the asset value of bridges on the basis of their performance, although it is not designed to take account of the environmental characteristics of individual bridges. This study proposes a hazard-performance based depreciation (HPBD) method that considers the risk level of individual bridges in the PBD method proposed in previous studies. The applicability of the proposed method was evaluated on more than 8,000 bridges. The risk factors for deterioration of bridges were selected, the hazard level of individual bridges was evaluated, and weights based on the hazard level were applied to the PBD method. The evaluation resulted in a present value comparable to that of the PBD method and a relatively high future value. It is postulated that the HPBD method, which considers the risk characteristics of individual bridges, can be used for a more reasonable evaluation and decision-making process.
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