A numerical study of two different specimen fixtures for the modified compact tension test – their influence on concrete fracture parameters
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Date
2016-01-01
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Mark
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Publisher
Gruppo Italiano Frattura
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Abstract
The modified compact tension test (MCT) may represent a new test configuration for the
performance of static and other kinds of fatigue tests on concrete-like materials. Core drilling can be employed
to obtain specimens which are cylindrical in shape and have a standard diameter of 150 mm, this being
appropriate for the determination of the residual life of structures. This contribution focuses on the evaluation
of MCT specimen fracture behavior during static tests. Cracks evolution are simulated numerically using
ATENA finite element (FE) software, while the results are represented as L-COD diagrams, i.e. load vs. crack
opening displacement measured on the loading axis. After numerical calculations, the results for two different
fixtures are compared and the advantages or drawbacks for each solution are discussed.
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Citation
Frattura ed Integrita Strutturale. 2016, vol. 10, issue 35, p. 242-249.
http://www.gruppofrattura.it/pdf/rivista/numero35/numero_35_art_28.pdf
http://www.gruppofrattura.it/pdf/rivista/numero35/numero_35_art_28.pdf
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Peer-reviewed
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Published version
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en