Blast Loads on Concrete Bridges

Abstract:

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Nowadays few current studies on blast effects are executed with real bridge structures for economic and social reasons. This paper analyzes the blast loadings on concrete bridges and offers five characteristics: uncertainty, significant structural response, mechanic differences, rapid overpressure decay, and confinement effects. Then with the further study for blast loads fundamentals and real bridge inspection, the damage forms for concrete bridges under blast loadings have been obtained, i.e. localized damage are the main structural damages and fragmentation loads can be neglected when explosions detonated above deck. Furthermore, due to the collapse or fallen of the structural components or segments secondary damages, like collisions and restraining blocks destruction, must be kept an eye on.

Info:

Periodical:

Advanced Materials Research (Volumes 217-218)

Edited by:

Zhou Mark

Pages:

445-450

DOI:

10.4028/www.scientific.net/AMR.217-218.445

Citation:

Z. J. Hu and C. Liu, "Blast Loads on Concrete Bridges", Advanced Materials Research, Vols. 217-218, pp. 445-450, 2011

Online since:

March 2011

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Price:

$35.00

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