ISSN: 1546-962X
Published Online: 23 July 2007
Page Count: 7

Grouting Performance of Microfine Cement and Silica Fume Mix into Sands
Mollamahmutoğlu, Murat
Civil Eng. Dept., Faculty of Eng. & Arch., Gazi University,

Yılmaz, Yüksel
Assist. Prof. Dr., Civil Eng. Dept., Faculty of Eng., Kırıkkale University,

Kutlu, İhsan
Civil Eng. Dept., Faculty of Eng. & Arch, Gazi University,

(Received 16 February 2006; accepted 27 March 2007)

Abstract

The aim of this study is to investigate the groutability of a microfine cement and silica fume mix grout into fine to medium sands. The basic rheological properties of the cement and silica fume mix suspension (microfine cement: 90 % of solids by weight and silica fume: 10 % of solids by weight) with water/solid ratio of 1.0 are first determined. In addition, penetration performance of the suspension into fine to medium sand specimens having different relative densities is investigated. Unconfined compression and permeability tests were performed on the grouted specimens. It is found that the unconfined compressive strengths of sand specimens permeated the grout mix were higher than those of sand specimens permeated with cement but without silica fume additive. Permeability tests on specimens permeated with cement/silica fume revealed that the permeability in these specimens is lower than that of specimens permeated with cement only.

Keywords:
grouting, microfine cement, silica fume, permeability, unconfined, compression strength

Paper ID: JAI100462
DOI: 10.1520/JAI100462
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