The Aggregate Cement ratio refers to the weight of aggregate divided by the weight of cement in a concrete mix. Altering this ratio has profound effects on the concrete's properties. This ratio plays a pivotal role in determining the strength, workability, and durability of concrete. When the Aggregate Cement ratio is higher, the mix is leaner, meaning it has less cement paste to lubricate the aggregate, potentially making the concrete less workable. Such mixes, known as lean, enhance the strength by decreasing the concrete's total porosity.

Conversely, a lower aggregate cement ratio means a richer mix with more cement paste, leading to better workability and cohesiveness. The aggregate cement ratio influences the strength of concrete; a leaner mix can result in higher strength due to reduced porosity from fewer voids in the paste. However, the strength of concrete is not solely dependent on this ratio. The water-to-cement ratio is another critical factor that interacts with the aggregate cement ratio, affecting the consistency and properties of the concrete. Maintaining the appropriate balance of these ratios is essential for producing concrete that meets the specific needs of construction projects while ensuring long-term performance and sustainability. Understanding these dynamics is crucial for crafting concrete with desired qualities, from durability to ease of handling.

From Chapter 7:

article

Now Playing

7.8 : Aggregate Cement Ratio

Strength of Concrete

155 Views

article

7.1 : Tensile Strength Considerations of Concrete

Strength of Concrete

66 Views

article

7.2 : Behavior of Concrete Under Compressive Load

Strength of Concrete

98 Views

article

7.3 : Porosity in Cement Paste

Strength of Concrete

72 Views

article

7.4 : Total Voids in Concrete

Strength of Concrete

58 Views

article

7.5 : Pore Size Distribution

Strength of Concrete

56 Views

article

7.6 : Microcracking in Concrete

Strength of Concrete

68 Views

article

7.7 : Water Cement Ratio

Strength of Concrete

52 Views

article

7.9 : Transition Zone

Strength of Concrete

48 Views

article

7.10 : Relation Between Tensile Strength and Compressive Strength of Concrete

Strength of Concrete

95 Views

article

7.11 : Fatigue Strength of Concrete

Strength of Concrete

104 Views

article

7.12 : Impact Strength of Concrete

Strength of Concrete

112 Views

article

7.13 : Abrasion Resistance of Concrete

Strength of Concrete

62 Views

article

7.14 : Reinforcements in Concrete

Strength of Concrete

49 Views

article

7.15 : Fiber Reinforced Concrete

Strength of Concrete

49 Views

See More

JoVE Logo

Privacy

Terms of Use

Policies

Research

Education

ABOUT JoVE

Copyright © 2025 MyJoVE Corporation. All rights reserved