Strength Prediction and Failure Modes of Concrete Specimens Subjected to the Split Test

Linh Cao Hoang, M.E. Andersen, N.T. Hansen, T.H. Jónsson

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper deals with modelling and test of concrete specimens subjected to the Brazilian split test. Based on the fictitious crack concept, a simple model for the crack propagation process in the
splitting plane is developed. From the model, it is possible to determine the distribution of residual tensile strength as crack propagation take place. The residual tensile strength is thereafter used in a rigid
plastic analysis of the splitting failure. Based on this combined approach, the ultimate load may either be governed by crack propagation or by a plastic failure, which then terminates the crack growth process. It is shown that the model is able to replicate a number of experimental observations. This includes size effect and influence of loading width.
Original languageEnglish
JournalMaterials and Structures
Volume47
Pages (from-to)1953-1968
ISSN1359-5997
DOIs
Publication statusPublished - 2014

Keywords

  • Concrete splitting strength
  • Size effect
  • Crack propagation
  • Plastic mechanism

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