Rheological properties of cement paste: thixotropic behavior and structural breakdown / Jon Elvar Wallevik in Cement and concrete research, Vol. 39 N° 1 (Janvier 2009)  

Public ISBD [article]  inCement and concrete research > Vol. 39 N° 1 (Janvier 2009) . - pp.14–29 Titre : Rheological properties of cement paste: thixotropic behavior and structural breakdown Type de document : texte imprimé Auteurs : Jon Elvar Wallevik, Auteur Année de publication : 2009 Article en page(s) : pp.14–29 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Cement paste  Rheology  Thixotropy  Structural breakdown Résumé : In this work, a new material model is presented to simulate rheological behavior of cement paste. This material model is among others based on combined concepts by Hattori and Izumi and by Tattersall and Banfill. More precisely, coagulation, dispersion and re-coagulation of the cement particles (giving a true thixotropic behavior) in combination with the breaking of certain chemically formed linkages between the particles (giving a so-called structural breakdown behavior) are assumed to play an important role in generating the overall time-dependent behavior of the cement paste. The model evaluation is done by comparing experimental data with model prediction. ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884608001919 [article] Rheological properties of cement paste: thixotropic behavior and structural breakdown [texte imprimé] / Jon Elvar Wallevik, Auteur . - 2009 . - pp.14–29. Génie Civil Langues : Anglais (eng) in Cement and concrete research > Vol. 39 N° 1 (Janvier 2009) . - pp.14–29 Mots-clés : Cement paste  Rheology  Thixotropy  Structural breakdown Résumé : In this work, a new material model is presented to simulate rheological behavior of cement paste. This material model is among others based on combined concepts by Hattori and Izumi and by Tattersall and Banfill. More precisely, coagulation, dispersion and re-coagulation of the cement particles (giving a true thixotropic behavior) in combination with the breaking of certain chemically formed linkages between the particles (giving a so-called structural breakdown behavior) are assumed to play an important role in generating the overall time-dependent behavior of the cement paste. The model evaluation is done by comparing experimental data with model prediction. ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884608001919

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