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Author(s):	Haveresch, Karlheinz; Maurer, Reinhard; Tauscher, Franka
Title:
Abstract:	Im Dezember 2015 wurde die A1-Änderung [1] zum deutschen Nationalen Anhang [2] von DIN EN 1992-1-1 veröffentlicht. Die Änderungen betreffen u. a. den Ansatz der wirksamen Betonzugfestigkeit bei der Ermittlung der Mindestbewehrung zur Begrenzung der Rissbreiten bei frühem Zwang. Der nachfolgende Beitrag erläutert die Hintergründe, warum eine entsprechende A1-Änderung zu DIN EN 1992-2/NA nicht erfolgt. Als Begründung für diese unterschiedliche Vorgehensweise werden die wesentlichen Unterschiede zwischen dem Hochbau und dem Brückenbau dargestellt. Guideline for the assumption of the effective concrete tensile strength within the minimum reinforcement check due to early cracking according to Eurocode 2-2 (DIN EN 1992-2/NA) In December 2015, the A1-amendment [1] for the German National Annex [2] of DIN EN 1992-1-1 was published. The amendment affects among others the assumption of the effective concrete tensile strength within the minimum reinforcement check due to early cracking. The following contribution elucidates the background, why a respective A1-amendment for DIN EN 1992-2/NA has not been provided. Furthermore, the main differences between building- and bridge constructions are outlined in order to constitute the different approach.
Source:	Beton- und Stahlbetonbau 111 (2016), No. 11
Page/s:	749-758
Language of Publication:	German

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