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Delamination properties of laminated glass windows subject to blast loading

Paolo Del Linz, Paul A. Hooper, Hari Arora Orcid Logo, Yi Wang, David Smith, Bamber R.K. Blackman, John P. Dear

International Journal of Impact Engineering, Volume: 105, Pages: 39 - 53

Swansea University Author: Hari Arora Orcid Logo

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DOI (Published version): 10.1016/j.ijimpeng.2016.05.015

Abstract

Delamination processes absorb significant amounts of energy in laminated glass windows when they are subjected to blast loads. Blast tests were performed previously and their results had been used to calculate the loads imposed on the support systems. In this research, the delamination process at re...

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Published in: International Journal of Impact Engineering
ISSN: 0734-743X
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa37127
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first_indexed 2017-11-28T20:12:57Z
last_indexed 2018-02-09T05:30:12Z
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spelling 2017-11-28T13:51:59.4674803 v2 37127 2017-11-28 Delamination properties of laminated glass windows subject to blast loading ed7371c768e9746008a6807f9f7a1555 0000-0002-9790-0907 Hari Arora Hari Arora true false 2017-11-28 MEDE Delamination processes absorb significant amounts of energy in laminated glass windows when they are subjected to blast loads. Blast tests were performed previously and their results had been used to calculate the loads imposed on the support systems. In this research, the delamination process at realistic deformation rates was studied to understand the reaction force response obtained. Laboratory tensile tests were performed on pre-cracked laminated glass specimens to investigate their delamination behaviour. The experiments confirmed the presence of a plateau in the force-deflection graphs, suggesting that the delamination process absorbed significant energy. The experimental results were then employed to calibrate FEA models of the delamination process with the aim of estimating the delamination energy of the polyvinyl butyral (PVB) membrane and glass layers and its relationship with deformation speed. The delamination energies obtained through this research, if used with the appropriate PVB material model, are a valuable new tool new tool in the modelling and design of laminated glass façade structures. Journal Article International Journal of Impact Engineering 105 39 53 0734-743X Blast, Laminated glass, Delamination, Viscoelasticity, Numerical simulations 31 7 2017 2017-07-31 10.1016/j.ijimpeng.2016.05.015 COLLEGE NANME Biomedical Engineering COLLEGE CODE MEDE Swansea University 2017-11-28T13:51:59.4674803 2017-11-28T13:49:27.2215104 Paolo Del Linz 1 Paul A. Hooper 2 Hari Arora 0000-0002-9790-0907 3 Yi Wang 4 David Smith 5 Bamber R.K. Blackman 6 John P. Dear 7 0037127-28112017135152.pdf dellinz2017.pdf 2017-11-28T13:51:52.3870000 Output 3002710 application/pdf Version of Record true 2017-11-28T00:00:00.0000000 false eng
title Delamination properties of laminated glass windows subject to blast loading
spellingShingle Delamination properties of laminated glass windows subject to blast loading
Hari Arora
title_short Delamination properties of laminated glass windows subject to blast loading
title_full Delamination properties of laminated glass windows subject to blast loading
title_fullStr Delamination properties of laminated glass windows subject to blast loading
title_full_unstemmed Delamination properties of laminated glass windows subject to blast loading
title_sort Delamination properties of laminated glass windows subject to blast loading
author_id_str_mv ed7371c768e9746008a6807f9f7a1555
author_id_fullname_str_mv ed7371c768e9746008a6807f9f7a1555_***_Hari Arora
author Hari Arora
author2 Paolo Del Linz
Paul A. Hooper
Hari Arora
Yi Wang
David Smith
Bamber R.K. Blackman
John P. Dear
format Journal article
container_title International Journal of Impact Engineering
container_volume 105
container_start_page 39
publishDate 2017
institution Swansea University
issn 0734-743X
doi_str_mv 10.1016/j.ijimpeng.2016.05.015
document_store_str 1
active_str 0
description Delamination processes absorb significant amounts of energy in laminated glass windows when they are subjected to blast loads. Blast tests were performed previously and their results had been used to calculate the loads imposed on the support systems. In this research, the delamination process at realistic deformation rates was studied to understand the reaction force response obtained. Laboratory tensile tests were performed on pre-cracked laminated glass specimens to investigate their delamination behaviour. The experiments confirmed the presence of a plateau in the force-deflection graphs, suggesting that the delamination process absorbed significant energy. The experimental results were then employed to calibrate FEA models of the delamination process with the aim of estimating the delamination energy of the polyvinyl butyral (PVB) membrane and glass layers and its relationship with deformation speed. The delamination energies obtained through this research, if used with the appropriate PVB material model, are a valuable new tool new tool in the modelling and design of laminated glass façade structures.
published_date 2017-07-31T03:46:39Z
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score 11.017797

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