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Reactivity of rice husk ash

James, Jose / Subba Rao, M.

AbstractEffect of lime:silica ratio on the kinetics of the reaction of silica with saturated lime has been investigated. Below C/S=0.65 the reaction does not proceed to completion and even in the presence of a large excess of silica only 90% lime is consumed. A parameter, lime reactivity index, has been defined to quantity the reactive silica present in rice husk ash. The product of the reaction between rice husk ash and saturated lime is a calcium hydrosilicate, CSH(I)^∗∗∗∗Symbols used; C=CaO, S=SiO2, H=H2O.. The fibrilar structure and the hollow tubular morphology of the fibres of CSH, have been explained by a growth mechanism, where the driving force is osmotic pressure.

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Reactivity of rice husk ash

James, Jose / Subba Rao, M.

AbstractEffect of lime:silica ratio on the kinetics of the reaction of silica with saturated lime has been investigated. Below C/S=0.65 the reaction does not proceed to completion and even in the presence of a large excess of silica only 90% lime is consumed. A parameter, lime reactivity index, has been defined to quantity the reactive silica present in rice husk ash. The product of the reaction between rice husk ash and saturated lime is a calcium hydrosilicate, CSH(I)^∗∗∗∗Symbols used; C=CaO, S=SiO2, H=H2O.. The fibrilar structure and the hollow tubular morphology of the fibres of CSH, have been explained by a growth mechanism, where the driving force is osmotic pressure.

Reactivity of rice husk ash

James, Jose / Subba Rao, M.

AbstractEffect of lime:silica ratio on the kinetics of the reaction of silica with saturated lime has been investigated. Below C/S=0.65 the reaction does not proceed to completion and even in the presence of a large excess of silica only 90% lime is consumed. A parameter, lime reactivity index, has been defined to quantity the reactive silica present in rice husk ash. The product of the reaction between rice husk ash and saturated lime is a calcium hydrosilicate, CSH(I)^∗∗∗∗Symbols used; C=CaO, S=SiO2, H=H2O.. The fibrilar structure and the hollow tubular morphology of the fibres of CSH, have been explained by a growth mechanism, where the driving force is osmotic pressure.

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Titel:

Reactivity of rice husk ash

Beteiligte:

James, Jose (Autor:in) / Subba Rao, M. (Autor:in)

Erschienen in:

Cement and Concrete Research ; 16 ; 296-302

Erscheinungsdatum:

30.01.1986

Format / Umfang:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(86)90104-3

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

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