Analysis uncovers optimal compressive strength in solid waste concrete, highlighting the synergistic effects on workability and durability.
Key Points
Optimal compressive strength of 24.96 MPa achieved with 20% red mud and 45% fly ash content, improving overall performance.
Mechanical properties strongly depend on red mud content; higher porosity from excessive additives impacts strength negatively.
Orthogonal experiments assessed effects of materials and ratios on workability, strength, and frost resistance under controlled conditions.
Findings suggest a critical balance in component ratios to enhance both workability and frost resistance durability, aiding in sustainable concrete applications.