Experimental Investigation on Replacement of Sand by Graded Quarry Dust in Concrete

Abstract

Now a days the utilization and consumption of natural aggregates and cement as largest concrete component is rapidly and constantly increasing in the production of concrete. The developing countries like India, the infrastructure such as express highways, power projects, industrial structures, ports and harbors to meet the requirements of globalization in construction of buildings and other structures. River sand is one of the constituent used in the production of concrete, become expensive and also a scarce material. In view of this, there is a need to identify suitable alternative material from industrial waste in place of river sand. The utilization of quarry dust which is a waste material has been accepted as building material in many countries for the past three decades. Recycling involves processing used materials into new products in order to prevent the waste of potentially useful materials, reduce the consumption of fresh raw materials, reduce energy usage, reduce air and water pollution by reducing the need for conventional waste disposal. Concrete traditionally consists of cement, fine aggregate, coarse aggregate and water. An attempt has been made to replace the fine aggregate with quarry dust with an objective of utilizing the waste material.

Introduction

1. Introduction

Concrete is a vital material in construction due to its strength and cost-effectiveness. However, natural river sand, the most common fine aggregate, is becoming scarce and expensive. Its overuse leads to environmental degradation. Hence, quarry dust, a byproduct of stone crushing, is explored as a sustainable and economical alternative.

2. Objectives

• Replace river sand with quarry dust to reduce environmental impact.

• Improve concrete properties such as durability, strength, and workability.

• Experimentally study the mechanical and physical properties of concrete with quarry dust.

• Determine the feasible percentage of replacement.

3. Advantages of Using Quarry Dust

• Eco-friendly: Reduces waste and conserves river sand.

• Cost-effective: Lower cost than river sand.

• Improves strength and durability: Enhances compressive strength and reduces shrinkage.

• Better workability: Finer particles aid in finishing.

• Lower water absorption: Increases resistance to weathering.

4. Disadvantages

• Quality variability depending on source.

• May increase drying shrinkage and segregation risk if not properly proportioned.

• Lack of standardization for quarry dust usage in construction.

5. Materials Used

• Cement: OPC Grade 53

• Quarry Dust

• River Sand (partial use)

• Coarse Aggregate

• Water

6. Methodology

• Concrete mix ratio: 1:1:2 (cement:sand/Quarry Dust:aggregate).

• Conduct workability test (slump cone test).

• Cast concrete cubes (150mm³) and cure for 3, 7, and 28 days.

• Perform compressive strength testing using a CTM.

7. Results

Normal Concrete:

• 3 Days: ~16.03 N/mm²

• 7 Days: ~18.44 N/mm²

• 28 Days: ~25.86 N/mm²

Concrete with 20% Quarry Dust:

• 3 Days: ~16.5 N/mm²

• 7 Days: ~19.93 N/mm²

• 28 Days: ~28.10 N/mm²

Conclusion

1) From following studies and results we found that the quarry dust as a fine aggregates relatively weaker as compared To river sand which is used in the study? 2) The various properties of used Quarry dust such as aggregate crushing value, pH value, flakiness index and soundness Gives the significant effects to the strength and durability of concrete. 3) The concrete mix of dust as partial replaced to sand, results a reduction in the compressive strength. 4) But the reduction in the compressive strength of the quarry dust concrete was compensated by the inclusion ofMineral admixtures into the concrete mix. 5) In the presence of silica fume or fly ash, quarry dust can be a suitable partial replacement material to sand to produce

References

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Copyright

Copyright © 2025 Lokhande Bhagyashri, Dandge Asmita , Pathak Anagha, Kudke Sneha, Prof. Mantri P N. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.