Journal Published Online: 16 July 2014
Volume 20, Issue 3

Laboratory Studies on the Volume Change Characteristics of Kaolinite Contaminated with Sodium Phosphate/Sulfate

CODEN: GTJODJ

Abstract

Reported distress to an industrial structure from phosphate/sulfate contamination of kaolinitic foundation soil at an industrial location in Southern India prompted this laboratory study. The study examines the short-term effect of sodium sulfate/phosphate contamination on the swell/compression characteristics of a commercial kaolinite. Experimental results showed that the unsaturated contaminated kaolinite specimens exhibited slightly higher swell potentials and lower compressions than the unsaturated uncontaminated kaolinite specimens. It is suggested that the larger double layer promoted by the increased exchangeable sodium ion concentration is responsible for the slightly higher swell potentials and lower compressions of the unsaturated contaminated kaolinite specimens.

Author Information

Rao, Sudhakar
Department of Civil Engineering, Indian Institute of Science, Bangalore, IN
Reddy, P.
Department of Civil Engineering, Indian Institute of Science, Bangalore, IN
Pages: 6
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: GTJ19970012
ISSN: 0149-6115
DOI: 10.1520/GTJ19970012