Abstract
Bentonite-sand mixtures are generally used in landfill liners. The properties of bentonite-sand mixtures should not change by time. For that reason, it is necessary to improve the properties of bentonites and bentonite-sand mixtures. In this study, the boron minerals namely colemanite and ulexite were added to the bentonite and bentonite-sand mixtures in order to improve their consistency limits and compaction characteristics. The boron additives were added 5, 10, 15, 20% to the bentonite and the liquid limits and plastic limits were determined. The boron additives were added to the 10% bentonite + 90% sand and 20% bentonite + 80% sand mixtures and compaction characteristics were determined in the presence of colemanite and ulexite.
Published Version
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