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Title:	Biaxiales Tragverhalten von Gewebemembranen nach DIN EN 17117-1
Abstract:	Mit DIN EN 17117-1 liegt seit etwa einem Jahr erstmals eine europäische Norm zur Durchführung und Auswertung von biaxialen Zugversuchen an beschichteten Textilien vor, wie sie im Membranbau Anwendung finden. Der vorliegende Beitrag bietet eine Vorstellung, Analyse und Bewertung der neuen Regelungen. Besondere Neuerungen gegenüber der bisherigen Versuchspraxis wie Regelungen zur Probekörpergeometrie, zum Lastprotokoll und der Belastungsgeschwindigkeit werden erläutert und bewertet. Der Beitrag zeigt den Unterschied zwischen elastischen Bemessungs- und Vergleichskonstanten und zeigt beispielhaft deren Anwendung und Interpretation. Biaxial load bearing behaviour of woven fabric membranes under multiple loads With DIN EN 17117-1, a European standard for the performance and evaluation of biaxial tensile tests on coated textiles, as used in membrane construction, has been available for about a year now. This article offers a presentation, analysis and valuation of the new regulations. Particular innovations compared to the previous test practice, such as regulations on test specimen geometry, load protocol and loading speed are explained and evaluated. The article shows the difference between elastic design constants and elastic comparison constants and gives examples of their application and interpretation.
Source:	Stahlbau 89 (2020), No. 8
Page/s:	660-671
Language of Publication:	German

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