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Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations / P. Del Linz; Y. Wang; P. A. Hooper; H. Arora; D. Smith; L. Pascoe; D. Cormie; B. R. K. Blackman; J. P. Dear; Hari Arora

Experimental Mechanics, Volume: 56, Issue: 9, Pages: 1501 - 1517

Swansea University Author: Hari, Arora

Abstract

Protecting structures from the effect of blast loads requires the careful design of all building components. In this context, the mechanical properties of Polyvinyl Butyral (PVB) are of interest to designers as the membrane behaviour will affect the performance of laminated glass glazing when loaded...

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Published in: Experimental Mechanics
ISSN: 0014-4851 1741-2765
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa37129
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spelling 2017-11-28T13:58:45.3631373 v2 37129 2017-11-28 Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations ed7371c768e9746008a6807f9f7a1555 0000-0002-9790-0907 Hari Arora Hari Arora true false 2017-11-28 EEN Protecting structures from the effect of blast loads requires the careful design of all building components. In this context, the mechanical properties of Polyvinyl Butyral (PVB) are of interest to designers as the membrane behaviour will affect the performance of laminated glass glazing when loaded by explosion pressure waves. This polymer behaves in a complex manner and is difficult to model over the wide range of strain rates relevant to blast analysis. In this study, data from experimental tests conducted at strain rates from 0.01 s−1 to 400 s−1 were used to develop material models accounting for the rate dependency of the material. Firstly, two models were derived assuming Prony series formulations. A reduced polynomial spring and a spring derived from the model proposed by Hoo Fatt and Ouyang were used. Two fits were produced for each of these models, one for low rate cases, up to 8 s−1, and one for high rate cases, from 20 s−1. Afterwards, a single model representing all rates was produced using a finite deformation viscoelastic model. This assumed two hyperelastic springs in parallel, one of which was in series with a non-linear damper. The results were compared with the experimental results, assessing the quality of the fits in the strain range of interest for blast loading situations. This should provide designers with the information to choose between the available models depending on their design needs. Journal Article Experimental Mechanics 56 9 1501 1517 0014-4851 1741-2765 Polyvinyl Butyral, Laminated glass, Strain rate sensitivity, Viscoelasticity 31 12 2016 2016-12-31 10.1007/s11340-016-0179-5 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2017-11-28T13:58:45.3631373 2017-11-28T13:56:39.8409421 P. Del Linz 1 Y. Wang 2 P. A. Hooper 3 H. Arora 4 D. Smith 5 L. Pascoe 6 D. Cormie 7 B. R. K. Blackman 8 J. P. Dear 9 Hari Arora 0000-0002-9790-0907 10 0037129-28112017135839.pdf dellinz2016.pdf 2017-11-28T13:58:39.1530000 Output 2661166 application/pdf Version of Record true 2017-11-28T00:00:00.0000000 false eng
title Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
spellingShingle Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
Hari, Arora
title_short Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
title_full Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
title_fullStr Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
title_full_unstemmed Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
title_sort Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations
author_id_str_mv ed7371c768e9746008a6807f9f7a1555
author_id_fullname_str_mv ed7371c768e9746008a6807f9f7a1555_***_Hari, Arora
author Hari, Arora
author2 P. Del Linz
Y. Wang
P. A. Hooper
H. Arora
D. Smith
L. Pascoe
D. Cormie
B. R. K. Blackman
J. P. Dear
Hari Arora
format Journal article
container_title Experimental Mechanics
container_volume 56
container_issue 9
container_start_page 1501
publishDate 2016
institution Swansea University
issn 0014-4851
1741-2765
doi_str_mv 10.1007/s11340-016-0179-5
document_store_str 1
active_str 0
description Protecting structures from the effect of blast loads requires the careful design of all building components. In this context, the mechanical properties of Polyvinyl Butyral (PVB) are of interest to designers as the membrane behaviour will affect the performance of laminated glass glazing when loaded by explosion pressure waves. This polymer behaves in a complex manner and is difficult to model over the wide range of strain rates relevant to blast analysis. In this study, data from experimental tests conducted at strain rates from 0.01 s−1 to 400 s−1 were used to develop material models accounting for the rate dependency of the material. Firstly, two models were derived assuming Prony series formulations. A reduced polynomial spring and a spring derived from the model proposed by Hoo Fatt and Ouyang were used. Two fits were produced for each of these models, one for low rate cases, up to 8 s−1, and one for high rate cases, from 20 s−1. Afterwards, a single model representing all rates was produced using a finite deformation viscoelastic model. This assumed two hyperelastic springs in parallel, one of which was in series with a non-linear damper. The results were compared with the experimental results, assessing the quality of the fits in the strain range of interest for blast loading situations. This should provide designers with the information to choose between the available models depending on their design needs.
published_date 2016-12-31T03:49:23Z
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