2017
DOI: 10.1002/best.201600047
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Entwicklung der Materialeigenschaften im jungen Massenbeton

Abstract: Bei Massenbetonbauteilen ist die Berechnung der Rissbildung und Rissbreiten umstritten. Auch die Ermittlung der Mindest bewehrung für Stahlbetonbauteile aus Massenbeton wird immer wieder kontrovers diskutiert. Sowohl die baupraktische Erfahrung als auch aktuelle Forschungsergebnisse zeigen, dass die normgemäße Ermittlung der Mindestbewehrung nach EC2 bei Massenbeton nicht zielführend ist. Die Gefahr der Frührissbildung kann mithilfe nichtlinearer FE‐Berechnungen unter Berücksichtigung der zeitlichen Entwicklun… Show more

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Cited by 4 publications
(7 citation statements)
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“…The progress of hydration is calculated considering the temperature-dependent reaction rate using the concept of effective time as described in Section 2.1.4 (or also [13]). Due to the gradient mixture of the concrete the material properties vary over space even if the temperature is constant.…”
Section: Time Dependency Of the Materials Propertiesmentioning
confidence: 99%
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“…The progress of hydration is calculated considering the temperature-dependent reaction rate using the concept of effective time as described in Section 2.1.4 (or also [13]). Due to the gradient mixture of the concrete the material properties vary over space even if the temperature is constant.…”
Section: Time Dependency Of the Materials Propertiesmentioning
confidence: 99%
“…Hence choosing a cement with low heat generation or the use of additions with latent hydraulic activity (type II according to [2]) are possibilities to reduce the hydration energy [13][14][15]. A cement with low hydration energy (CEM III/B) is chosen for the core concrete.…”
Section: Requirements For Low Hydration Energy Core Concretementioning
confidence: 99%
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