Industrial Waste–Paper Sludge Ash as Partial Replacement to Cement in Making Concrete Paver Blocks
Publication: Airfield and Highway Pavements 2021
ABSTRACT
Scarcity of available natural resources, high cost of virgin materials, and land depletion caused by the disposal of waste materials, has led to the need for sustainable alternatives in road construction. One such industrial waste emanating from the paper industry is the paper sludge. This paper sludge ash (PSA) can be used as an alternative construction material. The present study envisages the use of PSA in making interlocking concrete block pavements (ICBP). It uses PSA as a replacement to cement in the concrete used for the ICBP, by varying percentages viz., 0%, 5%, 10%, and 15% of cement. All the tests were conducted as per IS: 15658-2006. It was observed that the compressive, split tensile, and flexural strength increased by 15.7%, 6%, and 35.7%, respectively. The water absorption is less for 10% replacement. Overall a 10% replacement is recommended.
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REFERENCES
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Published In
Airfield and Highway Pavements 2021
Pages: 196 - 206
Copyright
© 2021 American Society of Civil Engineers.
History
Published online: Jun 4, 2021
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