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Valorisation of Sugarcane Bagasse Ash in the Manufacture of Lime-Stabilized Blocks

By James Jijo and Pandian Pitchai Kasinatha

Abstract

The study investigated the potential of lime in the manufacture of stabilized soil blocks and the valorisation of a solid waste, Bagasse Ash (BA), in its manufacture. A locally available soil was collected from a field and characterized in the soil laboratory as a clay of intermediate plasticity. This soil was stabilized using lime, the quantity of which was determined from the Eades and Grim pH test. The soil was stabilized using this lime content, amended with various BA contents during mixing, and moulded into blocks of 19 cm x 9 cm x 9 cm. The blocks were then moist cured for a period of 28 days, following which they were subjected to compressive strength, water absorption and efflorescence tests. The results of the tests revealed that the addition of BA resulted in enhanced compressive strength of the blocks, increased the water absorption marginally, and resulted in no efflorescence in any of the combinations, although the limited combinations in the study could not produce enough strength to meet the specifications of the Bureau of Indian Standards. The study revealed that BA can be effectively valorised in the manufacture of stabilized soil blocks

Topics: stabilized soil blocks, lime, bagasse ash, compressive strength, water absorption, efflorescence, Technology, T, Engineering (General). Civil engineering (General), TA1-2040
Publisher: De Gruyter Open
Year: 2016
DOI identifier: 10.1515/sjce-2016-0007
OAI identifier: oai:doaj.org/article:26ab66a6355a4c499a1fceb472385c24
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