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Modelling of Energy Dissipation during Fracture of Concrete Notched Beams: Proportion of the Effective Crack and the Fracture Process Zone Consumption

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Abstract:

The paper presents an analysis aiming at capturing the phenomenon of quasi-brittle fracture based on the record of the fracture tests on notched specimens. A method of separation of the energy amounts released for the crack advance and that dissipated within the volume of the sizeable nonlinear zone at the crack tip – the fracture process zone– is introduced. The approach is tested on selected data of published experimental campaigns accompanied with own conducted numerical simulations.

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Periodical:

Key Engineering Materials (Volume 713)

Pages:

309-312

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.713.309

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Online since:

September 2016

Authors:

Jiří Klon*, Václav Veselý

Keywords:

Fracture Energy, Fracture Process Zone, Quasi-Brittle Fracture, Resistance Curve, Work of Fracture

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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