Numerical Derivation of Pressure-Impulse Diagrams for Unreinforced Brick Masonry Walls

Xue Ying Wei; Tuo Huang; Nan Li

doi:10.4028/www.scientific.net/AMR.368-373.1435

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 368-373Numerical Derivation of Pressure-Impulse Diagrams...

Numerical Derivation of Pressure-Impulse Diagrams for Unreinforced Brick Masonry Walls

Abstract:

Pressure-impulse diagrams have been extensively used for damage assessments of structural components subject to a specified blast loading. In this paper, a numerical method is used to generate pressure-impulse diagrams for unreinforced masonry walls subjected to blast loading. A previously developed plastic damage material model accounting for strain rate effects is used for brick and mortar. Three levels of damage criteria are defined based on maximum deflection of the wall and rotation of the supports. The obtained blast response for unreinforced masonry walls are validated against field test data. It is shown that the obtained pressure-impulse diagrams have an improved ability to evaluate the damage level of masonry walls.

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Periodical:

Advanced Materials Research (Volumes 368-373)

Pages:

1435-1439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.368-373.1435

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Online since:

October 2011

Authors:

Xue Ying Wei, Tuo Huang, Nan Li

Keywords:

Blast Loading, Damage Criteria, Pressure-Impulse Diagram, Unreinforced Brick Masonry

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