Influence analysis and safety assessment of vehicle bomb type on the dynamic response of curved bridge under bridge deck blast load : ——(I): Influence analysis

Song, Guohua; Xu, Weifeng; Lei, Xiangyuan; Cao, Gang

doi:10.1109/ichceswidr54323.2021.9656317

2021 7th International Conference on Hydraulic and Civil Engineering &Amp; Smart Water Conservancy and Intelligent Disaster Red 2021

DOI: 10.1109/ichceswidr54323.2021.9656317

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Influence analysis and safety assessment of vehicle bomb type on the dynamic response of curved bridge under bridge deck blast load : ——(I): Influence analysis

Guohua Song

Weifeng Xu

Xiangyuan Lei

et al.

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2024

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Damage analysis of prestressed small box-girder bridge under explosive vehicle load

Wang,

Chen,

OuYang

et al. 2024

Proceedings of the Institution of Civil Engineers - Transport

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Bridges are essential for regional traffic and economic development. Once the bridge suffers from a terrorist attack or accidental explosion, it may cause severe losses and impacts on cities and regions. In order to analyze the response and failure of a small box girder bridge under automobile explosion load, explosion simulation tests of the deck and main girder at the bearing part, 1/4 span, and 1/2 span were designed. Then, the explosion conditions of eight standard vehicles are compared. It is found that the damage of the bridge under explosion load is mainly carried out along the longitudinal direction of the bridge, and the change of the explosion point along the longitudinal direction of the bridge significantly impacts the bridge deck breach. When the explosion occurs above the box girder, the response of the box girder is about 1.5-3 times that of the bridge deck. The damage to the superstructure of a prestressed small box girder bridge under a typical vehicle explosion load is localized.

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Damage analysis of prestressed small box-girder bridge under explosive vehicle load

Wang,

Chen,

OuYang

et al. 2024

Proceedings of the Institution of Civil Engineers - Transport

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show abstract

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Influence analysis and safety assessment of vehicle bomb type on the dynamic response of curved bridge under bridge deck blast load : ——(I): Influence analysis

Cited by 1 publication

References 10 publications

Damage analysis of prestressed small box-girder bridge under explosive vehicle load

Damage analysis of prestressed small box-girder bridge under explosive vehicle load

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