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Peak shear stress distribution in finite element models of concrete slabs

  • Delft University of Technology
  • Ministry of Infrastructure and the Environment

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

20 Scopus citations

Abstract

For the evaluation of existing slab bridges in the Netherlands, the governing shear stress resulting from composite dead load and live loads is determined from a finite element model. It is necessary to determine over which length (expressed as a multiple of the effective depth) the peak shear stress can be distributed for comparison to the design shear capacity.To answer this question, a numerical model is compared to an experiment. A continuous reinforced concrete slab, representing a half-scale slab bridge, is tested under a concentrated load. The support consists of 7 bearings equipped with load cells, measuring the reaction force profile, that can be compared to the stress profile determined in the finite element model. The comparison of measured reaction force profiles over the support to finite element models results in a research-based distribution width that replaces the rules of thumb that were used until now.

Original languageEnglish
Title of host publicationResearch and Applications in Structural Engineering, Mechanics and Computation - Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013
PublisherTaylor and Francis - Balkema
Pages475-480
Number of pages6
ISBN (Print)9781138000612
DOIs
StatePublished - 2013
Externally publishedYes
Event5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013 - Cape Town, South Africa
Duration: 2 Sep 20134 Sep 2013

Publication series

NameResearch and Applications in Structural Engineering, Mechanics and Computation - Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013

Conference

Conference5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013
Country/TerritorySouth Africa
CityCape Town
Period2/09/134/09/13

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