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- Title
Gellan Gum for Strengthening Bentonite-Sand Slurry.
- Authors
Tran, T. P. A.; Katsumi, T.; Tran, T. N.
- Abstract
The strengthening ability associated with adding a gellan gum as an additive to bentonite slurry for use in coating soil surfaces was studied. Bentonite powder was mixed with hot gellan gum hydrogel (i.e., at 200 °C) to different gellan gum concentrations (i.e., 0, 3, 4, 5, 6, and 7% of the mass of distilled water). A series of unconfined compressive strength tests were conducted on gellan gum-bentonite mixtures subjected to various thermal curing conditions. The shrinkage behavior was observed during the thermal curing process. The research also studied the sand size particle effect on the strength and volume change of the dried gellan gum-modified bentonite. The test results showed the soil strengthening effect of adding gellan gum to bentonite slurry which was then added it to bentonite/silica sand mixtures.
- Subjects
GELLAN gum; SILICA sand; BENTONITE; WATER masses; COMPRESSIVE strength; SLURRY
- Publication
Geotechnical Engineering (00465828), 2022, Vol 53, Issue 3, p7
- ISSN
0046-5828
- Publication type
Article