Vehicular Collision Risk Assessment on the Highway Bridges in South Korea

Min, Geun-Hyung; Kim, Woo-Seok; Cho, Jun-Sang; Gil, Heungbae

doi:10.11112/jksmi.2016.20.5.009

Cited by 1 publication

(2 citation statements)

References 5 publications

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“…ere are many ways to determine the grade interval, as shown in Table 1 [5]. In this study, the standard deviationbased interval (SDI) method was used to determine grade interval according to Min et al [3] and Lee [5].…”

Section: Determination Of Grade Interval As Shown Inmentioning

confidence: 99%

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Fragility of Bridge Columns under Vehicle Impact Using Risk Analysis

Kim

Lee

2020

Advances in Civil Engineering

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In this study, risk analysis was conducted to evaluate the vulnerability of bridge columns to vehicle impact. A three-step risk analysis procedure was used. The first step involved a Preliminary Risk Analysis (PRA), which was an initial screening step to determine whether a bridge column requires second-step analysis or not. The second step was a Simplified Risk Analysis (SRA), which involved determining the level of risk (low, moderate, or high) for a bridge column. The third step comprised a Detailed Risk Analysis (DRA). Computer simulation was based on the results of SRA. In this study, the risk level of 8,267 bridges in South Korea was evaluated, and a resulting total of 58 bridge columns in the Risk Level High (RLH) category were selected as a result of SRA. These bridge columns were classified into five types based on their slenderness ratio. Using these five types of bridge column, DRA was conducted. As expected, larger deformations of the bridge column were observed if the vehicle velocity and slenderness ratio were both increased. Using the bridge columns in the categories of response high and response moderate under vehicle impact, fragility curves were proposed using statistical data of material strength and the few results of the numerical analysis.

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Section: Determination Of Grade Interval As Shown Inmentioning

confidence: 99%

“…Min et al [3] performed vehicular collision risk analysis of highway bridge columns. ey defined both maintenance and repair costs as importance factors for performing risk analysis.…”

Section: Introductionmentioning

confidence: 99%

Fragility of Bridge Columns under Vehicle Impact Using Risk Analysis

Kim

Lee

2020

Advances in Civil Engineering

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show abstract

Vehicular Collision Risk Assessment on the Highway Bridges in South Korea

Cited by 1 publication

References 5 publications

Fragility of Bridge Columns under Vehicle Impact Using Risk Analysis

Fragility of Bridge Columns under Vehicle Impact Using Risk Analysis

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