Note on the moment capacity in a Bubble deck joint

Tim Gudmand-Høyer

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Abstract

This note treats the subject of anchoring reinforcement bars in slabs where one
part of the slab has been cast prior to the other one, whereby a weak construction joint is introduced. The investigation is based on the theory of plasticity using upper bound solutions to calculate the load carrying capacity.
The note consists of three main sections. The background theory is treated in section 1 where the basic failure mechanisms are described. Section 2 describes some special failure mechanisms that might occur in the joint connection. Sections 3 and 4 illustrate the method through case studies. Final conclusions are made in section 5. The investigation is purely theoretical.
Original languageEnglish
Place of PublicationKgs. Lyngby
PublisherTechnical University of Denmark, Department of Civil Engineering
Number of pages36
ISBN (Print)87-7877-137-4
Publication statusPublished - 2003
SeriesDTU Civil Engineering Report
ISSN1601-2917

Bibliographical note

R-074

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