Swelling characteristics of immersed sand-bentonite mixtures |
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Authors: | FENG Tu-gen CUI Hong-bin SUN De-an DU Bing |
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Affiliation: | FENG Tu-gen1,2,3,CUI Hong-bin3,SUN De-an3,4,DU Bing1,5 |
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Abstract: | A laboratory one-dimensional consolidation apparatus was employed to research the swelling stress and volume of the sand-bentonite mixture under immersed conditions. The stress-strain characteristics of mixtures under varied mixing ratios and loading statuses were analyzed. Based on the results of tests, the mechanism of mixture swelling and collapsing was further discussed. The results show that mixtures with low sand ratios are suitable as hydraulic barrier or containment barriers of general landfills, ge... |
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Keywords: | swelling bentonite montmorillonite swelling pressure skeleton void ratio |
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