Original title: Stress analysis of modified compact tension specimens: K-calibration curves
Authors: Seitl, Stanislav ; Viszlay, V.
Document type: Papers
Conference/Event: Modelování v mechanice 2015, Ostrava (CZ), 2015-05-28 / 2015-05-29
Year: 2015
Language: eng
Abstract: Compact tension (CT) test is in engineering frequently used test for metallic materials to determiner fracture parameters/properties, e.g. fracture energy, fracture toughness, crack propagation rate, J-R curves etc. [20]. The modified compact tension (MCT) specimen for cement based composites has to be prepared due to negligible concentration around the holes for tenons. An accurate determination of fracture parameters requires the use of a valid calibration curves, there for in this contribution the stress analysis near the crack tip and calibration curve for modified compact tension test are introduced. The calibration curve is introduced for diameter 150 mm (the specimen could be easy made from the specimen for compression test) and includes all theoretical imperfections that results from preparation of the MCT specimens.
Keywords: concrete; FEM; Modified compact tension specimen; stress intensity factor
Host item entry: Sborník příspěvků vědecké konference Modelování v mechanice 2015, ISBN 978-80-248-3756-7

Institution: Institute of Physics of Materials AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0256145

Permalink: http://www.nusl.cz/ntk/nusl-201480


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