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http://dx.doi.org/10.5345/JKIBC.2020.20.1.083

A Study on the Quantitative Risk Assessment of Bridge Construction Projects  

Ahn, Sung-Jin (Department of Architectural Engineering, Mokpo National University)
Publication Information
Journal of the Korea Institute of Building Construction / v.20, no.1, 2020 , pp. 83-91 More about this Journal
Abstract
The recent bridge construction projects is demanded more sophisticated risk management measures and loss forecasts to brace for risk losses from an increase in the trend of bridge construction. This study aims to analyze the risk factors that caused the loss of material in actual bridge construction and to develop a quantified predictive loss model, based on the past record of insurance payment by major domestic insurance companies for bridge construction projects. For the development of quantitative bridge construction loss model, the dependent variable was selected as the loss ratio, i.e., the ratio of insurance payout divided by the total project cost, while the independent variable adopted 1) Technical factors: superstructure type, foundation type, construction method, and bridge length 2) Natural hazards: typhoon and flood 3) Project information: construction period and total project cost. Among the selected independent variables, superstructure type, construction method, and project period were shown to affect the ratio of bridge construction losses. The results of this study can provide government agencies, bridge construction design and construction and insurance companies with the quantitative damage prediction and risk assessment services, using risk indicators and loss prediction functions derived from the findings of this study and can be used as a guideline for future basic bridge risk assessment development research.
Keywords
bridge construction; risk assessment; quantitative assessment; regression analysis;
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Times Cited By KSCI : 4  (Citation Analysis)
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