Measurement of mode III fracture energy of concrete

Zdeněk P. Bažant*, Pere C. Prat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The test specimens are cylinders with a circumferential notch, loaded in torsion. Maximum loads of geometrically similar specimens of sizes 1 : 2 : 4 are measured and Baǎnt's size effect method is used to determine from them the value of fracture energy for Mode III (antiplane shear). This value is found to be about three times larger than the Mode I fracture energy and about nine times smaller than the Mode II fracture energy measured before. These differences appear to be explicable by inclined tensile microcracks in the fracture process zone and a dependence of the fracture energy on the confining normal force across the fracture process zone.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalNuclear Engineering and Design
Volume106
Issue number1
DOIs
StatePublished - Feb 1 1988

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal
  • Mechanical Engineering

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