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Numerično modeliranje poladiabatnega poskusa
ID Ilc, Anka (Avtor), ID Turk, Goran (Avtor), ID Trtnik, Gregor (Avtor)

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MD5: 191DF959E3A091EC0365F43A522F6A7F
PID: 20.500.12556/rul/82c90121-5c2b-4b94-95a0-bfb32cb89ad5

Izvleček
The paper deals with the possibility of using a semi-adiabatic test to determine the adiabatic hydration curve of concrete mixtures. Therefore, a temperature was measured at certain points of a concrete specimen during the test and an adiabatic temperature rise was estimated with a numerically determined heat loss compensation. The determined adiabatic hydration curve was inserted into a numerical program, which is used to calculate a temperature field within the concrete element using a finite element method. Acomparison between numerically and experimentally determined values indicatesthe adequacy of the proposed numerical model. Moreover, the semi-adiabatic test proved to be an appropriate method to determine the adiabatic temperature rise.

Jezik:Slovenski jezik
Ključne besede:hidratacijska toplota, masivni beton, adiabatni poskus, poladiabatni poskus, metoda končnih elementov
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2011
Št. strani:Str. 75-82
PID:20.500.12556/RUL-32103 Povezava se odpre v novem oknu
UDK:624.012
COBISS.SI-ID:5533281 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:3705
Število prenosov:528
Metapodatki:XML DC-XML DC-RDF
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Numerical modelling of semi-adiabatic test
Izvleček:
The paper deals with the possibility of using a semi-adiabatic test to determine the adiabatic hydration curve of concrete mixtures. Therefore, a temperature was measured at certain points of a concrete specimen during the test and an adiabatic temperature rise was estimated with a numerically determined heat loss compensation. The determined adiabatic hydration curve was inserted into a numerical program, which is used to calculate a temperature field within the concrete element using a finite element method. A comparison between numerically and experimentally determined values indicates the adequacy of the proposed numerical model. Moreover, the semi-adiabatic test proved to be an appropriate method to determine the adiabatic temperature rise.

Ključne besede:heat of hydration, mass concrete, adiabatic experiment, semi-adiabatic experiment, finite element method

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