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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X20918013
|2 doi
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|a pubmed24n1030.xml
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|a (DE-627)NLM309268184
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|a (NLM)32342798
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|a DE-627
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|a eng
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|a Rout, Suryaleen
|e verfasserin
|4 aut
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|a Characterization of pond ash-bentonite mixes as landfill liner material
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|c 2020
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|a Text
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|a ƒaComputermedien
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|a Date Completed 10.12.2020
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|a Date Revised 14.12.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Characterization of pond ash-bentonite mixes is made to assess their suitability as liner material for waste disposal facilities by examining the relevant index and engineering properties. Further, a comparative assessment is made between sand-bentonite and pond ash-bentonite mixes for the range of bentonite content varying from 0 to 30% by weight at an interval of 5% to ensure an effective substitution of sand with pond ash. Addition of bentonite to sand or pond ash significantly influences the plasticity, strength and permeability properties. Besides, the shape parameters of the coarser fraction and morphology of compacted mixes also influence the engineering properties. A multiple linear regression equation is suggested to predict the hydraulic conductivity of these mixes by considering the basic material properties such as liquid limit, plasticity index and void ratio as an input variable with a correlation coefficient of 0.92 between the measured and predicted hydraulic conductivity values. At comparable conditions, compacted pond ash-bentonite mixes exhibit higher strength but also higher permeability than sand-bentonite mixes. Pond ash-bentonite and sand-bentonite mixes met the liner requirements when compacted with modified Proctor compaction effort at a minimum bentonite content of 20% and 15%, respectively
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|a Journal Article
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|a Landfill liner
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|a mechanical properties
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|a microstructure
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|a pond ash
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|a shape parameters
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|a Bentonite
|2 NLM
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|a 1302-78-9
|2 NLM
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|a Singh, Suresh Prasad
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 38(2020), 12 vom: 05. Dez., Seite 1420-1428
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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|g volume:38
|g year:2020
|g number:12
|g day:05
|g month:12
|g pages:1420-1428
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|u http://dx.doi.org/10.1177/0734242X20918013
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