1. What is Hot Mix Asphalt?

Hot Mix Asphalt (HMA) is a combination of approximately 95% stone, sand, or gravel bound together by asphalt cement. The weight calculation is important for construction and paving projects.

2. How Does the Calculator Work?

The calculator uses the standard formula:

Where:

• 145 — Standard weight in pounds per cubic foot of hot mix asphalt

Explanation: The calculation assumes a standard density of 145 lbs/ft³ for hot mix asphalt.

3. Importance of Weight Calculation

Details: Accurate weight calculation is crucial for material ordering, transportation planning, and project cost estimation in paving projects.

4. Using the Calculator

Tips: Enter volume in cubic feet. The value must be greater than 0. The calculator will provide the weight in pounds.

5. Frequently Asked Questions (FAQ)

Q1: Why is 145 lbs/ft³ used as the standard?
A: This is the average density for compacted hot mix asphalt, though actual density can vary slightly based on mix design.

Q2: How accurate is this calculation?
A: It provides a good estimate for planning purposes, but for precise calculations, specific mix designs should be consulted.

Q3: How do I convert cubic yards to cubic feet?
A: Multiply cubic yards by 27 (since 1 cubic yard = 27 cubic feet).

Q4: Does temperature affect the weight?
A: The weight calculation is based on volume and standard density, not temperature. However, temperature affects workability.

Q5: How does this compare to cold mix asphalt?
A: Cold mix asphalt typically has a lower density (around 130-140 lbs/ft³) and requires different calculations.