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Comparison between two ultrasonic methods in their ability to monitor the setting process of cement pastes
ID Trtnik, Gregor (Avtor), ID Valič, Marko (Avtor), ID Kavčič, Franci (Avtor), ID Turk, Goran (Avtor)

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Izvleček
This paper presents the comparison between ultrasonic wave transmission (USWT) method and ultrasonic wave reflection (USWR) method in their ability to monitor the setting process of cement pastes. The velocity of ultrasonic longitudinal waves and shear wave reflection coefficient were measured simultaneously on cement pastes with different hydration kinetics. Even though both methods are able to reliably monitor the hydration process and formation of structure of an arbitrary cement paste, they monitor the setting process in different ways. The relationship between the velocity of longitudinal waves and shear wave reflection coefficient can be simplified into three characteristic phases and the end of the first phase can be used to define the beginning of the setting process of cement paste. (C) 2009 Elsevier Ltd. All rights reserved.

Jezik:Angleški jezik
Ključne besede:hydration, cement paste, ultrasonic wave transmition, ultrasonic wave reflection, setting
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2009
Št. strani:Str. 876-882
Številčenje:Letn. 39, št. 10
PID:20.500.12556/RUL-32107 Povezava se odpre v novem oknu
UDK:624.01
ISSN pri članku:0008-8846
DOI:10.1016/j.cemconres.2009.07.002 Povezava se odpre v novem oknu
COBISS.SI-ID:4685921 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:2714
Število prenosov:941
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Gradivo je del revije

Naslov:Cement and concrete research
Skrajšan naslov:Cem. concr. res.
Založnik:Pergamon Press.
ISSN:0008-8846
COBISS.SI-ID:5819399 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:hidratacija, cementna pasta, ultrazvočni valovi, vezanje, prehod, odboj

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