Proceedings Vol. 14 (2008)
ENGINEERING MECHANICS 2008
May 12 – 15, 2008, Svratka, Czech Republic
Copyright © 2008 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 200 - +11p., full text
Values of fracture parameters of quasi-brittle building materials are usually determined from results of tests performed on notched testing specimens. The paper focuses on the influence of the notch width and the notch tip shape on the quasi-brittle behavior of the specimen during the fracture test. The influence is investigated via numerical simulations of the three-point bending tests of notched beams and its significance is expressed through values of fracture parameters calculated from the simulated testing records. Also the influence of FE mesh arrangement is monitored.
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