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Titolo:
Improving the vibration damping capacity of cement
Autore:
Fu, XL; Li, XH; Chung, DDL;
Indirizzi:
SUNY Buffalo, Composite Mat Res Lab, Buffalo, NY 14260 USA SUNY Buffalo Buffalo NY USA 14260 site Mat Res Lab, Buffalo, NY 14260 USA
Titolo Testata:
JOURNAL OF MATERIALS SCIENCE
fascicolo: 14, volume: 33, anno: 1998,
pagine: 3601 - 3605
SICI:
0022-2461(19980715)33:14<3601:ITVDCO>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONDENSED SILICA FUME; CARBON-FIBERS; CONCRETE; STRENGTH; MORTARS; LATEX; ADMIXTURES; BOND;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Fu, XL SUNY Buffalo, Composite Mat Res Lab, Buffalo, NY 14260 USA SUNY Buffalo Buffalo NY USA 14260 t Res Lab, Buffalo, NY 14260 USA
Citazione:
X.L. Fu et al., "Improving the vibration damping capacity of cement", J MATER SCI, 33(14), 1998, pp. 3601-3605

Abstract

Cement pastes containing latex (20-30% by weight of cement), methylcellulose (0.4-0.8% by weight of cement) and silica fume (15% by weight of cement,either as received or acid treated) were compared in terms of the dynamic flexural mechanical properties, as expressed by the loss tangent (damping capacity), storage modulus and loss modulus at 0.2-2 Hz (loading frequency) and 30-150 degrees C. Treated silica fume and latex are by far the most effective admixtures for enhancing the loss tangent (up to 0.18, an increase of up to 390%). Silica fume (whether as received or treated) is the most effective admixture for enhancing the storage modulus (up to 15 GPa). Latex tends to give a high loss modulus (up to 0.18 GPa) at 2 Hz; silica fume tendsto give a high loss modulus (up to 2.2 GPa, an increase of up to 2200%) at0.2 Hz. (C) 1998 Kluwer Academic Publishers.

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Documento generato il 28/11/20 alle ore 03:35:46