Replacement of Fine Aggregate by using Recyclable Materials in Paving Blocks

Cement concrete paving blocks are precast hard products complete out of cement concrete. The product is made in various sizes and shapes like square, round and rectangular blocks of different dimensions with designs for interlocking of adjacent tiles blocks. Several Research Works have been carried...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-08, Vol.225 (1), p.12157
Main Authors: Koganti, Shyam Prakash, Hemanthraja, Kommineni, Sajja, Satish
Format: Article
Language:English
Subjects:
ceramic dust
Ceramic powders
Ceramics industry
Coal dust
Concrete blocks
cost analysis
Dust
glass powder
Industrial wastes
paver blocks
Paving
Precast concrete
quarry dust
Recyclable materials
Waste materials
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Summary:Cement concrete paving blocks are precast hard products complete out of cement concrete. The product is made in various sizes and shapes like square, round and rectangular blocks of different dimensions with designs for interlocking of adjacent tiles blocks. Several Research Works have been carried out in the past to study the possibility of utilizing waste materials and industrial byproducts in the manufacturing of paver blocks. Various industrial waste materials like quarry dust, glass powder, ceramic dust and coal dust are used as partial replacement of fine aggregate and assessed the strength parameters and compared the profit percentages after replacement with waste materials. Quarry dust can be replaced by 20% and beyond that the difference in strength is not much higher but considering cost we can replace upto 40% so that we can get a profit of almost 10%. Similarly we can replace glass powder and ceramic dust by 20% only beyond that there is decrement in strength and even with 20% replacement we can get 1.34 % and 2.42% of profit. Coal dust is not suitable for alternative material as fine aggregate as it reduces the strength.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/225/1/012157