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Description
| - The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated.
- The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated. (en)
- The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated. (cs)
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Title
| - Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen
- Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (en)
- Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (cs)
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skos:prefLabel
| - Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen
- Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (en)
- Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (cs)
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skos:notation
| - RIV/00216305:26110/07:PU69248!RIV08-GA0-26110___
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216305:26110/07:PU69248
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - geometry effect, fracture toughness, cement-based, three-point bending, fracture toughness, numerically simulated (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...v/mistoKonaniAkce
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http://linked.open...i/riv/mistoVydani
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http://linked.open...i/riv/nazevZdroje
| - Engineering mechanics 2007
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Keršner, Zbyněk
- Knésl, Zdeněk
- Klusák, Jan
- Seitl, Stanislav
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http://linked.open...vavai/riv/typAkce
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http://linked.open.../riv/zahajeniAkce
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number of pages
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http://purl.org/ne...btex#hasPublisher
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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