Day 2: Mittwoch, 19th February 2014

Structural precast construction 2 – Innovative technical solutions

102 With projecting loops to peak load – Punching shear tests on precast floor slabs lead to European ­Technical Approval (ETA)
Mit überragenden Schlaufen zur Höchstlast – Durchstanzversuch an Elementdecken für die europäische ­Zulassung (ETA)
Dr.-Ing. Johannes Furche
104 Concept for optimizing floor systems in precast concrete construction
Optimierungskonzepte für Deckensysteme in Fertigteilbauweise
Prof. Dr.-Ing. Michael Fastabend
107 Legal evaluation of defects: Semi-precast floors. Rust spots, traces of rubber abrasion, voids
Schadensfall mit rechtlicher Beurteilung: Elementdecken....

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Punching shear reinforcement with increased bond resistance

Flat slabs with lattice girders as semi-precast construction system feature horizontal composite joints between the semi-precast concrete slabs and the in-situ concrete topping. Both the punching...

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Reduction of punching shear reinforcement

With introduction of Eurocode 2 in Germany, the punching shear design provisions for flat slabs were revised. In consequence of limited anchorage conditions of punching shear reinforcement elements in...

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With projecting loops to peak load –

Flat slabs made as precast reinforced-concrete slabs with lattice girders and an effective in-situ concrete topping prove to be cost-efficient. Nevertheless, such flat slabs – in contrast to line...

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Issue 2017-01 Filigran Trägersysteme

Joints optimized between precast concrete elements in areas of punching shear

Flat slabs are economically manufactured with precast slabs and topped with in-situ concrete. Accurate execution requires detailed planning. In areas of punching shear, the arrangement of the precast...

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Punching shear behavior of steel fiber reinforced flat slabs in combination with punching shear reinforcement

The guideline “Steel Fibre Reinforced Concrete” published by the German Committee for Reinforced Concrete (DAfStb) in 2012 regulates the punching shear design of steel fiber reinforced flat slabs...

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