Journal
ENGINEERING FRACTURE MECHANICS
Volume 77, Issue 13, Pages 2403-2418Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2010.06.023
Keywords
Binder course mortar; Finite volume method; Indirect tensile loading; Three-point bend test
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Funding
- Enterprise Ireland [ATRP/02/413]
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This paper investigates the applicability of a cohesive zone model for simulating the performance of bituminous material subjected to quasi-static loading. The Dugdale traction law was implemented within a finite volume code in order to simulate the binder course mortar material response when subjected to indirect tensile loading. A uniaxial tensile test and a three-point bend test were employed to determine initial stress-strain curves at different test rates and the cohesive zone parameters (specifically, fracture energy and cohesive strength). Numerical results agree well with the experimental data up to the peak load and onset of fracture, demonstrating the value of the cohesive zone modelling technique in successfully predicting fracture initiation and maximum material strength. (C) 2010 Elsevier Ltd. All rights reserved.
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