Optimistic Outlook on HMA Sample Density Analysis

How Can We Determine the Percent Air Voids for an HMA Sample?

Given an HMA sample core density of 133.5 pcf and a maximum theoretical density of 143.1 pcf, what is the percent air voids for this sample?

The Percent Air Voids Calculation

By using the formula:

Percent air voids = (Maximum theoretical density - Core density) / Maximum theoretical density * 100

Plugging in the values:

(143.1 pcf - 133.5 pcf) / 143.1 pcf * 100 = 6.7%

Calculating the percent air voids for the HMA sample provides valuable insights into the quality of the material. In this case, with a percent air voids of approximately 6.7%, we can have an optimistic outlook on the sample.

Having a lower percentage of air voids indicates a denser and more compact HMA sample, which is crucial for the durability and performance of the material in construction projects. This result suggests that the HMA sample is well-compact and meets the required standards.

Ensuring proper density and air voids in HMA samples is essential for achieving long-lasting and resilient infrastructure. With the percent air voids determined, appropriate adjustments can be made to optimize the material's properties for maximum effectiveness.

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