What percentage of general purpose concrete is typically made up of aggregate?

General purpose concrete typically consists of approximately 75% aggregate by volume. Aggregates are crucial components of concrete, comprising materials such as sand, gravel, or crushed stone. These materials provide the bulk of the concrete mix, contributing to its strength, durability, and overall performance.

In a typical concrete mix design, the high volume of aggregate helps to minimize the amount of cement paste needed while achieving the desired workability and structural integrity. Reducing the cement content lowers costs and decreases the environmental impact of the concrete, making aggregate the predominant component in conventional concrete formulations. Understanding the role and proportion of aggregates in concrete is fundamental for effective construction practices and material selection.