Plastic model for asymmetrically loaded reinforced concrete slabs

Eva O.L. Lantsoght, Cor Van Der Veen, Ane De Boer

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations


Synopsis: Most methods for the design and analysis of rcinforced concrete slabs for punching are based on experiments on slab-column connections, reflecting the situation in building slabs. Slab-column connections with unbalanced moments have also been studied in the past. Experiments indicate that the accuracy of models for asymmetrically loaded slabs is lower than for symmetrically loaded slabs. In this paper, the difference in accuracy between test predictions for symmetrically and asymmetrically loaded slabs is tackled. A plastic model, the Extended Strip Model, is proposed. The results of maximum loads according to this model are compared to experimental results of symmetrically and asymmetrically loaded slabs. The comparison between the proposed Extended Strip Model and the experimental results shows that the model has a consistent performance for both symmetrically and asymmetrically loaded slabs. Moreover, the model has as an advantage that it combines the failure modes of flexure, shear and punching. The proposed model can be used for the analysis of slabs. In particular, it can be used for the assessment of existing slab bridges subjected to concentrated live loads.

Original languageEnglish
Pages (from-to)1-20
Number of pages20
JournalAmerican Concrete Institute, ACI Special Publication
Issue numberSP 321
StatePublished - 2017
EventRecent Developments in Two-Way Slabs: Design, Analysis, Construction, and Evaluation at the ACI Fall 2015 Convention and ACI Spring 2016 Convention - Milwaukee, United States
Duration: 17 Apr 201621 Apr 2016


  • Asymmetrically loaded slabs
  • Extended strip model
  • Flexure
  • One-way slabs
  • Plasticity
  • Punching
  • Reinforced concrete slabs
  • Shear
  • Symmetrically loaded slabs


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