Failure Criteria of Concrete under Triaxial Compression

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Title: Failure Criteria of Concrete under Triaxial Compression

Author(s): T.-H. Tan and X. Sun

Publication: Special Publication

Volume: 238

Issue:

Appears on pages(s): 235-248

Keywords: compressive strength; concrete; confining pressure; deviatoric stress; failure envelope; hydrostatic stress; triaxial compression

Date: 10/1/2006

Abstract:
This paper presents an experimental investigation to determine the ultimate strength of concrete under triaxial compression. Concrete of 4 different strength levels were employed and triaxal tests were performed on 100 x 300 mm cylindrical specimens to establish the failure criteria for low, normal and high-strength concrete. The effects of confining pressure and stress path on different grades of concrete were also studied and test results were used to verify the failure criteria proposed by other researchers.