Three-dimensional submodel for modelling of joints in precast concrete structures

Morten Andersen Herfelt, Peter Noe Poulsen, Linh Cao Hoang, Jesper F. Jensen

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Abstract

The shear capacity of in-situ cast joints is crucial to the overall stability of precast concrete structures. The current design is based on empirical formulas, which account for neither the reinforcement layout of the joint nor the three-dimensional stress states present within the joint. In this paper, a semi-analytical submodel is presented. The model is formulated as an optimisation problem within the framework of numerical limit analysis. The presented submodel is capable of describing the key mechanisms within the joint and the model is verified by comparison to existing numerical models. The shear capacity of the joint subjected to triaxial stress states is analysed and the results are discussed.
Original languageEnglish
Title of host publicationProceedings of the 11th fib International PhD Symposium in Civil Engineering
EditorsKoichi Maekawa, Akio Kasuga, Jun Yamazaki
Number of pages8
Publication date2016
Pages865-872
ISBN (Electronic)978-4-9909148-0-6
Publication statusPublished - 2016
Event11th fib International PhD Symposium in Civil Engineering - Tokyo, Japan
Duration: 29 Aug 201631 Aug 2016
Conference number: 11

Conference

Conference11th fib International PhD Symposium in Civil Engineering
Number11
CountryJapan
CityTokyo
Period29/08/201631/08/2016

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