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Syneresis effect on the permeability of chemically grouted sand

Murat Mollamahmutoglu and Eyubhan Avci
Syneresis effect on the permeability of chemically grouted sand
Quarterly Journal of Engineering Geology and Hydrogeology (September 2016) 49 (4): 327-335

Abstract

The aim of this research was to investigate the permeability of sodium silicate grouted sand specimens having various gradations and relative densities. Initially, rheological properties of sodium silicate grouts were studied. The gel time decreased as the sodium silicate content increased. Viscosities of sodium silicate grouts increased as the silicate content increased. Syneresis of sodium silicate grout gels increased with the increase of silicate content up to a point and then started decreasing sharply. The penetrability of chemical grouts with different sodium silicate contents into various graded sand specimens prepared at different relative densities was highly successful. Grouted sand samples were kept in humid conditions at a temperature of 20 degrees C until testing time and were subjected to permeability tests at different time intervals. In general, sodium silicate grouting reduced the permeability of various graded sand specimens. The permeability of grouted sand specimens slightly increased with time as a result of syneresis.


ISSN: 1470-9236
EISSN: 2041-4803
Serial Title: Quarterly Journal of Engineering Geology and Hydrogeology
Serial Volume: 49
Serial Issue: 4
Title: Syneresis effect on the permeability of chemically grouted sand
Affiliation: Gazi University, Faculty of Engineering, Ankara, Turkey
Pages: 327-335
Published: 20160930
Text Language: English
Publisher: Geological Society of London, London, United Kingdom
References: 18
Accession Number: 2016-094439
Categories: Engineering geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 9 tables
Secondary Affiliation: Hitit University, TUR, Turkey
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2022, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data from The Geological Society, London, London, United Kingdom
Update Code: 201646
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