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Technical Note Reactive silica and strength of fly ashes

Sivapullaiah, P.V. / Prashanth, J.P. / Sridharan, A. / Narayana, B.V.

Abstract The use of fly ash in geotechnical engineering depends greatly on its pozzolanic reactivity. Though many factors influence the reactivity of fly ash it is well recognized that reactive silica and lime content play a major role. A new, accurate and reliable method for the determination of reactive silica content of fly ash has been established. The reactive silica content, obtained as acid soluble silica in about 2 to 3 N hydrochloric acid, is found to correlate well with unconfined compressive strength of fly ashes. The reactive silica content of fly ash is also important in the stabilization of soils using fly ash. © Rapid Science Ltd. 1998

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Technical Note Reactive silica and strength of fly ashes

Sivapullaiah, P.V. / Prashanth, J.P. / Sridharan, A. / Narayana, B.V.

Abstract The use of fly ash in geotechnical engineering depends greatly on its pozzolanic reactivity. Though many factors influence the reactivity of fly ash it is well recognized that reactive silica and lime content play a major role. A new, accurate and reliable method for the determination of reactive silica content of fly ash has been established. The reactive silica content, obtained as acid soluble silica in about 2 to 3 N hydrochloric acid, is found to correlate well with unconfined compressive strength of fly ashes. The reactive silica content of fly ash is also important in the stabilization of soils using fly ash. © Rapid Science Ltd. 1998

Technical Note Reactive silica and strength of fly ashes

Sivapullaiah, P.V. / Prashanth, J.P. / Sridharan, A. / Narayana, B.V.

Abstract The use of fly ash in geotechnical engineering depends greatly on its pozzolanic reactivity. Though many factors influence the reactivity of fly ash it is well recognized that reactive silica and lime content play a major role. A new, accurate and reliable method for the determination of reactive silica content of fly ash has been established. The reactive silica content, obtained as acid soluble silica in about 2 to 3 N hydrochloric acid, is found to correlate well with unconfined compressive strength of fly ashes. The reactive silica content of fly ash is also important in the stabilization of soils using fly ash. © Rapid Science Ltd. 1998

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Title:

Technical Note Reactive silica and strength of fly ashes

Contributors:

Sivapullaiah, P.V. (author) / Prashanth, J.P. (author) / Sridharan, A. (author) / Narayana, B.V. (author)

Published in:

Geotechnical & Geological Engineering ; 16

Publication date:

1998

ISSN:

DOI:

https://doi.org/10.1023/A:1008889326269

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Classification:

BKL: 38.58 Geomechanik / 57.00 Bergbau: Allgemeines / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 275/3750

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