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Abstract:	Zur Realisierung von leichten, zweiachsig gespannten Decken werden Hohlkörpersysteme vermehrt eingesetzt, was zu einer wirtschaftlichen und ressourcenschonenden Bauweise führt. Bei der Bemessung und Konstruktion muss das besondere Tragverhalten dieser Systeme berücksichtigt werden. Es werden experimentelle Untersuchungen notwendig, um ein abgesichertes Bemessungsmodell aufstellen zu können. Mittels numerischer Untersuchungen können die Versuche nachgerechnet und Parameterstudien durchgeführt werden. Vereinfachungen und Bemessungshilfen ermöglichen den Tragwerksplanern eine einfache Bemessung und Konstruktion analog der massiven Flachdecke. Bei Berücksichtigung der Bemessungs- und Konstruktionsregeln können zweiachsig gespannte Stahlbetondecken mit abgeflachten rotationssymmetrischen Hohlkörpern auf dem bauaufsichtlich geforderten Sicherheitsniveau hergestellt werden. Design and construction of two-way spanning reinforced concrete slabs with flattened rotationally symmetrical void formers For the realization of lightweight, two-way spanning concrete slabs, hollow body systems are increasingly used, resulting in economic and resource-efficient constructions. In the design and construction, the special structural behavior of these systems must be considered. In order to establish a safe design model, experimental investigations are required. By numerical investigations, the tests can be modeled and parametric studies can be carried out. Simplifications and design tools allow a simple design and construction similar to the conventional reinforced concrete slabs. By considering the design and detailing rules of two-way spanning concrete slabs with flattened rotationally symmetrical void formers, the safety level required by the building authority is met.
Source:	Beton- und Stahlbetonbau 107 (2012), No. 9
Page/s:	590-600
Language of Publication:	German

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