Concrete with granite aggregate is a high-strength, durable, and sustainable material that utilizes granite crushed stone or waste as a substitute for traditional aggregates. The granite improves compressive strength (by up to 10%), enhances frost and sulfate resistance, and reduces water absorption, often utilizing a 20-40% replacement ratio for optimal performance.

Rounded aggregate, such as river pebbles, provides superior workability and flow, requiring less cement paste and water due to lower surface area and friction. However, it offers lower tensile strength and bonding than angular aggregate due to reduced particle interlocking.