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Shubham Rajput, Harsh Rathore
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- Student, Assistant Professor, Department of Civil Engineering, Sanjeev Agarwal Global Educational University, Bhopa, Department of Civil Engineering, Sanjeev Agarwal Global Educational University, Bhopa, Madhya Pradesh, Madhya Pradesh, India, India
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Abstract
nThis study investigates the influence of recycled aggregates on the compressive strength of concrete designed for medium workability. Various replacement proportions of recycled aggregates (0%, 50%, 60%, and 100%) were examined using conventional mix design methods, specifically focusing on 10mm recycled aggregates’ impact. The specimens comprised 100 percent recycled aggregate, with a combination of 60% 20mm and 40% 10mm sizes. Compressive strength analyses were conducted at 7 and 28 days using different mix design methods (IS, ACI, and DOE). Results indicate that the 7-day compressive strength is similar for IS and ACI methods but lower for DOE. However, at 28 days, IS method outperforms ACI and DOE methods. Despite lower strength values, the DOE method required the least cement content. Visual representation and comparison with controlled concrete reveal a strength reduction in recycled aggregate concrete (RAC), attributed to 100% recycled aggregates, impacting hydration and strength development
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Keywords: Concrete, aggregates, compressive strength, workability, durability, permeability, recycled aggregates, sustainable construction.
n[if 424 equals=”Regular Issue”][This article belongs to Journal of Structural Engineering and Management(josem)]
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References
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Journal of Structural Engineering and Management
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| Volume | ||
| [if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] | ||
| Received | February 26, 2024 | |
| Accepted | April 11, 2024 | |
| Published | April 18, 2024 |
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