Original paper
Size-Effect Testing of Cohesive Fracture Parameters and Nonuniqueness of Work-of-Fracture Method
Abstract
The cohesive crack model has been widely accepted as the best compromise for the analysis of fracture of concrete and other quasibrittle materials. The softening stress-separation law of this model is now believed to be best described as a bilinear curve characterized by four parameters: the initial and total fracture energies Gf and GF, the tensile strength ft′, and the knee-point ordinate σ1. The classical work-of-fracture test of a notched...
Paper Details
Title
Size-Effect Testing of Cohesive Fracture Parameters and Nonuniqueness of Work-of-Fracture Method
Published Date
Aug 1, 2011
Volume
137
Issue
8
Pages
580 - 588
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Notes
History