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Preliminary Analyses for the Study of the Effects of an Explosive Action on a Long-Span Suspension Bridge

 Preliminary Analyses for the Study of the Effects of an Explosive Action on a Long-Span Suspension Bridge
Author(s): , ,
Presented at IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, published in , pp. 1609-1616
DOI: 10.2749/nanjing.2022.1609
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Terrorist attacks have nowadays become an important issue for the structural design of constructions such as bridges. Indeed, during the last decades, the increase in the number of terrorist attack...
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Bibliographic Details

Author(s): (Louvain research institute for Landscape, Architecture, Built environment (LAB) Université catholique de Louvain, Belgium)
(Louvain research institute for Landscape, Architecture, Built environment (LAB) Université catholique de Louvain, Belgium)
(Department of Civil and Environmental Engineering, Politecnico di Milano, Italy)
Medium: conference paper
Language(s): English
Conference: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Published in:
Page(s): 1609-1616 Total no. of pages: 8
Page(s): 1609-1616
Total no. of pages: 8
DOI: 10.2749/nanjing.2022.1609
Abstract:

Terrorist attacks have nowadays become an important issue for the structural design of constructions such as bridges. Indeed, during the last decades, the increase in the number of terrorist attacks has resulted in the loss of many human lives and socio-economic impact on our society. The aims of this research consist in a series of preliminary analyses in view of a study of the effects of an explosion on a long-span suspension bridge. As a suspension bridge was considered the project of the bridge over the Strait of Messina, having as main span of 3300 meters. The structure was modeled using ABAQUS/Explicit software using beams-type 3D finite element modeling. The objectives of the research are double. The first one is the study of the pressures generated by an explosive charge to model the phenomenon during numerical simulations while, the second objective, is to test different discretizations to have a reliable numerical response.

Keywords:
numerical simulations blast loading long-span suspension bridges mesh-size problem fast dynamic
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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