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Hydrated fly ash with SiO2 fume and/or portland cement addition. Reactions in pastes and strength development in mortars (CROSBI ID 131304)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Matković, Boris ; Gržeta, Biserka ; Paljević, Matija ; Rogić, Vinko ; Dasović, D. ; Dimić, D. Hydrated fly ash with SiO2 fume and/or portland cement addition. Reactions in pastes and strength development in mortars // Cement and concrete research : including advanced cement based materials, 20 (1990), 3; 475-483. doi: 10.1016/0008-8846(90)90039-Z

Podaci o odgovornosti

Matković, Boris ; Gržeta, Biserka ; Paljević, Matija ; Rogić, Vinko ; Dasović, D. ; Dimić, D.

engleski

Hydrated fly ash with SiO2 fume and/or portland cement addition. Reactions in pastes and strength development in mortars

Reactions of hydrated fly ash with SiO2 fume and/or portland cement addition were studied on paste and mortar samples. Composition of hydrated fly ash: Ca(OH)2, approx. 50 ; CaSO4, approx. 9 ; CaCO3, approx. 5 ; free CaO, approx. 5 wt% ; the rest is glass composed of Ca, Al, Fe, Si, Mg, Na and K oxides. Strength development in all mixes resulted from C-S-H gel and ettringite formation. Hydrated pastes contained also calcium carbonate ; Ca(OH)2 was present only in samples with portland cement addition. The sample with portland cement addition had the highest 3-day compressive strength (3.3 MPa) ; 90-day compressive strength was highest in the sample with SiO2 addition (31.7 MPa).

hydrated fly ash ; portland cement ; strength development

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Podaci o izdanju

20 (3)

1990.

475-483

objavljeno

0008-8846

1873-3948

10.1016/0008-8846(90)90039-Z

Povezanost rada

Fizika, Kemija

Poveznice
Indeksiranost