Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature

Looking at a current architecture, there are many examples of glass load bearing structures such as beams, panes, balustrades, columns or even stairs. These elements are mostly made of laminated glass panels. Panels are bonded together with polymer interlayer significantly influencing a shear force...

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Autores principales:	Tomáš Hána, Miroslav Vokáč, Klára Machalická, Martina Eliášová
Formato:	article
Lenguaje:	EN
Publicado:	Challenging Glass Conference 2018
Materias:	Glass Loading ratio Temperature Stiffness Interlayer DMTA Clay industries. Ceramics. Glass TP785-869
Acceso en línea:	https://doaj.org/article/454f4b28b800480690383641a4cf8525
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spelling	oai:doaj.org-article:454f4b28b800480690383641a4cf85252021-12-04T05:12:06ZMaterial Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature10.7480/cgc.6.21642589-8019https://doaj.org/article/454f4b28b800480690383641a4cf85252018-05-01T00:00:00Zhttps://proceedings.challengingglass.com/index.php/cgc/article/view/245https://doaj.org/toc/2589-8019 Looking at a current architecture, there are many examples of glass load bearing structures such as beams, panes, balustrades, columns or even stairs. These elements are mostly made of laminated glass panels. Panels are bonded together with polymer interlayer significantly influencing a shear forces transfer between them. There is still overall lack of knowledge in the task of shear forces transfer between these panels. It principally depends on the polymer stiffness, which is affected by an ambient temperature, humidity and load duration. Civil engineers currently tend to design laminated glass members on the safe side, generally not taking laminated panels interaction provided by the interlayer into account. This approach leads to uneconomical and robust glass bearing members significantly preventing the use of laminated glass more extensively. There are many polymer interlayers made for structural laminated glass applications available on a market. Most of them differ in stiffness and other important properties therefore these must be experimentally examined to design safer and more economical laminated glass members. This paper is focused on the shear modulus of PVB (polyvinyl-buthyral) and SentryGlasÒ (ionoplast) experimental investigations as a function of temperature and loading ratio. It is possible to find out these functions by static creep or relaxation tests as well as by dynamic mechanical thermal analysis-DMTA. A lot of DMTA experiments in shear with the aforementioned interlayers in various loading conditions have been performed in order to determine their shear stiffness. It also enables to identify their Prony parameters as a part of the next survey. Experimentally verified common polymer interlayer stiffness helps engineers to design safer and cheaper glass constructions. This is the way how to extend the use of laminated glass in a current architecture. Tomáš HánaMiroslav VokáčKlára MachalickáMartina EliášováChallenging Glass ConferencearticleGlassLoading ratioTemperatureStiffnessInterlayerDMTAClay industries. Ceramics. GlassTP785-869ENChallenging Glass Conference Proceedings, Vol 6, Iss 1 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Glass Loading ratio Temperature Stiffness Interlayer DMTA Clay industries. Ceramics. Glass TP785-869
spellingShingle	Glass Loading ratio Temperature Stiffness Interlayer DMTA Clay industries. Ceramics. Glass TP785-869 Tomáš Hána Miroslav Vokáč Klára Machalická Martina Eliášová Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
description	Looking at a current architecture, there are many examples of glass load bearing structures such as beams, panes, balustrades, columns or even stairs. These elements are mostly made of laminated glass panels. Panels are bonded together with polymer interlayer significantly influencing a shear forces transfer between them. There is still overall lack of knowledge in the task of shear forces transfer between these panels. It principally depends on the polymer stiffness, which is affected by an ambient temperature, humidity and load duration. Civil engineers currently tend to design laminated glass members on the safe side, generally not taking laminated panels interaction provided by the interlayer into account. This approach leads to uneconomical and robust glass bearing members significantly preventing the use of laminated glass more extensively. There are many polymer interlayers made for structural laminated glass applications available on a market. Most of them differ in stiffness and other important properties therefore these must be experimentally examined to design safer and more economical laminated glass members. This paper is focused on the shear modulus of PVB (polyvinyl-buthyral) and SentryGlasÒ (ionoplast) experimental investigations as a function of temperature and loading ratio. It is possible to find out these functions by static creep or relaxation tests as well as by dynamic mechanical thermal analysis-DMTA. A lot of DMTA experiments in shear with the aforementioned interlayers in various loading conditions have been performed in order to determine their shear stiffness. It also enables to identify their Prony parameters as a part of the next survey. Experimentally verified common polymer interlayer stiffness helps engineers to design safer and cheaper glass constructions. This is the way how to extend the use of laminated glass in a current architecture.
format	article
author	Tomáš Hána Miroslav Vokáč Klára Machalická Martina Eliášová
author_facet	Tomáš Hána Miroslav Vokáč Klára Machalická Martina Eliášová
author_sort	Tomáš Hána
title	Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
title_short	Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
title_full	Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
title_fullStr	Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
title_full_unstemmed	Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature
title_sort	material properties of polymeric interlayers under static and dynamic loading with respect to the temperature
publisher	Challenging Glass Conference
publishDate	2018
url	https://doaj.org/article/454f4b28b800480690383641a4cf8525
work_keys_str_mv	AT tomashana materialpropertiesofpolymericinterlayersunderstaticanddynamicloadingwithrespecttothetemperature AT miroslavvokac materialpropertiesofpolymericinterlayersunderstaticanddynamicloadingwithrespecttothetemperature AT klaramachalicka materialpropertiesofpolymericinterlayersunderstaticanddynamicloadingwithrespecttothetemperature AT martinaeliasova materialpropertiesofpolymericinterlayersunderstaticanddynamicloadingwithrespecttothetemperature
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Material Properties of Polymeric Interlayers under Static and Dynamic Loading with Respect to the Temperature

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