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Experimental analysis of long duration blast loading and debris distribution of masonry panels

Experimental analysis of long duration blast loading and debris distribution of masonry panels
Experimental analysis of long duration blast loading and debris distribution of masonry panels
Blast loading of structures is a complex system dependant on a vast number of parameters from both the structure and blast wave. Even for the simplest of structures, small changes to its size and shape can have a large effect on the result when subjected to blast; additionally, small changes to the pressure or duration of the blast wave can drastically alter its interaction with a specific structure. This paper, as part of a larger in-depth research study, investigates the breakage patterns and debris distribution of masonry panels subjected to blast loads with a positive phase duration typically exceeding 100ms. Three experimental trials were conducted in which ten masonry panels of varying geometries were subjected to blast loading with peak static overpressures of approximately 55kPa and 110kPa and positive phase durations of 200ms and 150ms respectively. All structures underwent total structural failure followed by a significant debris distribution with the results showing structural geometry, blast overpressure and impulse to be the key parameters responsible for the breakage pattern, initial fragmentation and debris distribution respectively.
0141-0296
229-241
Keys, R.
c79f59bb-d2f1-452e-b14e-198beb6db7e4
Clubley, S.K.
d3217801-61eb-480d-a6a7-5873b5f6f0fd
Keys, R.
c79f59bb-d2f1-452e-b14e-198beb6db7e4
Clubley, S.K.
d3217801-61eb-480d-a6a7-5873b5f6f0fd

Keys, R. and Clubley, S.K. (2017) Experimental analysis of long duration blast loading and debris distribution of masonry panels. Engineering Structures, 130, 229-241. (doi:10.1016/j.engstruct.2016.10.054).

Record type: Article

Abstract

Blast loading of structures is a complex system dependant on a vast number of parameters from both the structure and blast wave. Even for the simplest of structures, small changes to its size and shape can have a large effect on the result when subjected to blast; additionally, small changes to the pressure or duration of the blast wave can drastically alter its interaction with a specific structure. This paper, as part of a larger in-depth research study, investigates the breakage patterns and debris distribution of masonry panels subjected to blast loads with a positive phase duration typically exceeding 100ms. Three experimental trials were conducted in which ten masonry panels of varying geometries were subjected to blast loading with peak static overpressures of approximately 55kPa and 110kPa and positive phase durations of 200ms and 150ms respectively. All structures underwent total structural failure followed by a significant debris distribution with the results showing structural geometry, blast overpressure and impulse to be the key parameters responsible for the breakage pattern, initial fragmentation and debris distribution respectively.

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r_keys_es2016_review_ESpaper.pdf - Accepted Manuscript
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More information

Accepted/In Press date: 31 October 2016
Published date: 1 January 2017
Organisations: Infrastructure Group

Identifiers

Local EPrints ID: 381618
URI: http://eprints.soton.ac.uk/id/eprint/381618
ISSN: 0141-0296
PURE UUID: babf7d97-c642-417b-88dc-34be7331f599
ORCID for S.K. Clubley: ORCID iD orcid.org/0000-0003-3779-242X

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Date deposited: 24 Sep 2015 14:01
Last modified: 14 Mar 2024 21:17

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Contributors

Author: R. Keys
Author: S.K. Clubley ORCID iD

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