An Experimental Study on Strength of Concrete with Partial Replacement of Fine Aggregate with Recycled Crushed Brick Aggregate and Quarry Dust
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 3
Abstract
This project is done to reduce the use of Natural aggregates by replacing it with Recycled Crushed Brick Aggregate (RCBA) and Quarry Dust (QD).The reduction in the sources of natural sand and the requirement for reduction in the cost of concrete production has resulted in the increased need to identify substitute material to sand in the production of concrete. Recycled Crushed Brick Aggregate is the by-product of demolished buildings waste and Quarry dust on the other hand is also a waste product in crushing process during quarrying activities. In this paper,, the fine aggregate is replaced with Recycled Crushed Brick Aggregate by 20%, 25%, 30%, 40%, 50% , Quarry Dust by 30%, 40%, 50%, 60%, 70% and the mix of RCBA and QD by 20% with 20%, 30% with 30%, 40% with 40%, 25% with 50% and 50% with 50% for 7 days and 28 days.It is seen from the results that the compressive strength was maximum at 25% for Recycled Crushed Brick Aggregate, 50% for quarry dust and 40% with 40% for combined Recycled Crushed Brick Aggregate and Quarry dust after 28 days of curing. The split tensile strength was maximum at 25% for Recycled Crushed Brick Aggregate, 60% for quarry dust and 50% with 50% for combined Recycled Crushed Brick Aggregate and Quarry dust after 28 days of curing. The flexural strength was maximum at 40% for Recycled Crushed Brick Aggregate, 50% for quarry dust and 50% with 50% for combined Recycled Crushed Brick Aggregate and Quarry dust after 28 days of curing. This project tries to encourage the use of waste materials instead of natural aggregates in the concrete and obtaining the same strength as that of the plain concrete. Hence, conserving the environment and economy.
Authors and Affiliations
Nayana C Kambalimath, MohammedZakir Ali
Keywords
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- EP ID EP437918
- DOI 10.9790/1684-1503025260.
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