Analysis of Concrete Made from Natural and Recycled Aggregate from Hardened Concrete
Yasir Karim1, Saif A Khan2, D. K. Sharma, Ravindra Gautam3, Sanjeev Singh4

1Yasir Karim*, Assistant Professor, KIET Group of Institutions, Delhi-NCR, Ghaziabad.
2Saif A Khan, Assistant Professor, KIET Group of Institutions, Delhi-NCR, Ghaziabad.
3D. K. Sharma, Dean Academics, MIET Group of Institutions, Meerut Ravindra Gautam, Associate Professor, KIET Group of Institutions, Delhi-NCR, Ghaziabad.
4Sanjeev Singh, Professor, KIET Group of Institutions, Delhi-NCR, Ghaziabad.
Manuscript received on February 10, 2020. | Revised Manuscript received on February 20, 2020. | Manuscript published on March 10, 2020. | PP: 350-357 | Volume-9 Issue-5, March 2020. | Retrieval Number: E1970039520/2020©BEIESP | DOI: 10.35940/ijitee.E1970.039520
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Abstract: Detoriation of environment and depletion of natural resources is a major concern of the hour. Concrete not being an environmental pro material, a lot of work needs to be done on its sustainability parameters. Because of infrastructural growth to cater population needs, huge quantities of concrete are required. Since we all know that aggregates form around 75% of concrete volume, the quantities of aggregate required for the production of such huge quantities of concrete is immense. Hence a sustainable solution for the alternative of aggregate is urgently required to fulfill the shortage of aggregates. Keeping in mind the above problem the present work aims at finding a probable solution for utilizing the recycled aggregate obtained from destruction of hardened concrete. Since literature review suggested the poor performance of the concrete produced from recycled aggregate but did not give the best optimum situation in which it can be used. So the study was carried out on six different mixes containing natural aggregates and recycled aggregate for three different grades of concrete and both fresh and hardened properties of concrete was studied. No admixture was used for making concrete in any of the mixes. The comparative study showed that if recycled coarse aggregate is used with stone dust it gives better result and Total fines if used with natural coarse aggregate gives better result. 
Keywords: Recycled, Aggregate, Construction, Concrete, Workability, Environment, Sustainability.
Scope of the Article: Construction Engineering