INTERNAL CRACKING AND STRAIN-SOFTENING RESPONSE OF CONCRETE UNDER UNIAXIAL COMPRESSION.

S. P. Shah*, R. Sankar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

Understanding the strain-softening response of concrete is important for numerical modeling of the constitutive behavior of concrete. In this study the nature and extent of internal cracking were studied for concrete cylinders subjected to axial strains in the post-peak part of the stress-strain curve. Several testing methods to reduce the end-restraint were evaluated and one that gave essentially homogeneous stress distribution was used for the study. Longitudinal and transverse slices of the specimens loaded to different values of axial strains were examined using petrographic techniques for microcracks.

Original languageEnglish (US)
Pages (from-to)200-212
Number of pages13
JournalACI Materials Journal
Volume84
Issue number3
StatePublished - May 1 1987

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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