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THE COMPARATIVE ANALYSIS OF THE STRENGTH OF CONCRETE MADE FROM VARIOUS AGGREGATES
Abstract
This study presents a comparative analysis of the strength of concrete produced using various types of aggregates. Aggregates play a crucial role in determining the overall properties and performance of concrete, including its compressive strength, durability, and workability. The primary objective of this research is to evaluate the differences in strength characteristics of concrete when different aggregates are utilized, such as crushed granite, gravel, and recycled concrete aggregates.
Concrete samples were prepared using a consistent mix ratio while varying the type of aggregate. Standardized tests, including compressive strength tests, were conducted on these samples at different curing periods (7, 14, 21, and 28 days) to assess their performance. The results indicated significant variations in the compressive strength of concrete depending on the type of aggregate used. Concrete made with crushed granite exhibited the highest strength, followed by gravel, while recycled concrete aggregates resulted in the lowest compressive strength.
The findings underscore the importance of aggregate selection in concrete production, highlighting that the type of aggregate significantly influences the mechanical properties of the final product. This research provides valuable insights for civil engineers and construction professionals in selecting appropriate aggregates for specific structural applications to optimize the performance and longevity of concrete structures.
Keywords: concrete strength, aggregates, compressive strength, crushed granite, gravel, recycled concrete aggregates.
Table of Contents
Chapter One: Introduction
1.1 Background of the Study
1.2 Statement of the Problem
1.3 Objectives of the Study
1.4 Research Questions
1.5 Significance of the Study
1.6 Scope and Limitations
1.7 Definition of Key Terms
Chapter Two: Literature Review
2.1 Overview of Concrete and Its Components
2.2 Role of Aggregates in Concrete
2.3 Types of Aggregates
2.3.1 Crushed Granite
2.3.2 Gravel
2.3.3 Recycled Concrete Aggregates
2.4 Factors Affecting Concrete Strength
2.5 Previous Studies on Concrete Strength with Different Aggregates
2.6 Summary of Key Findings
Chapter Three: Research Methodology
3.1 Research Design
3.2 Materials and Methods
3.2.1 Selection of Aggregates
3.2.2 Concrete Mix Design
3.2.3 Sample Preparation
3.2.4 Curing Process
3.3 Testing Procedures
3.3.1 Compressive Strength Test
3.3.2 Workability Test
3.4 Data Collection
3.5 Data Analysis
3.6 Validity and Reliability
3.7 Ethical Considerations
Chapter Four: Results and Discussion
4.1 Introduction
4.2 Compressive Strength Results
4.2.1 7-Day Strength
4.2.2 14-Day Strength
4.2.3 21-Day Strength
4.2.4 28-Day Strength
4.3 Comparison of Strength Across Different Aggregates
4.4 Discussion of Results
4.4.1 Crushed Granite
4.4.2 Gravel
4.4.3 Recycled Concrete Aggregates
4.5 Implications for Concrete Production
4.6 Summary of Key Findings
Chapter Five: Conclusion and Recommendations
5.1 Conclusion
5.2 Recommendations for Practice
5.3 Recommendations for Future Research
5.4 Limitations of the Study
References
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