INFLUENCE OF NOTCH SHAPE AND WIDTH ON LOADDEFLECTION DIAGRAM/FRACTURE PARAMETERS OF CEMENT BASED COMPOSITE


Abstract eng:
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.

Contributors:
Publisher:
Institute of Thermomechanics AS CR, v.v.i., Brno
Conference Title:
Conference Title:
Engineering Mechanics 2008
Conference Venue:
Svratka (CZ)
Conference Dates:
2008-05-12 / 2008-05-15
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.



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 Record created 2014-11-13, last modified 2014-11-18


Original version of the author's contribution as presented on CD, , page 796. :
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