✦ LIBER ✦

Numerical evaluation of the rotating crack model

✍ Scribed by Y.-J. Li; Th. Zimmerman

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 785 KB
Volume: 69
Category: Article
ISSN: 0045-7949
DOI: 10.1016/s0045-7949(98)00118-7

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✦ Synopsis

The paper discusses typical fracture mechanics problems which have been analyzed in order to evaluate the performance of the rotating crack model. The outcome indicates that the model is a promising tool for nonlinear analysis of concrete structures. For model-I cracking, the model is capable of simulating the whole range of size covered by limit analysis and linear elastic fracture mechanics, but when a slant mesh is used, a mesh bias is observed. For mixed-mode cracking, the model is capable of predicting the ultimate load for small concrete structures; the results of simulations for large concrete structures show a good coincidence with linear elastic fracture mechanics solutions.

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