Asphalt, Road Materials & Paving Products worked example

Aggregate Moisture Dry Feed Correction at 99% dry-solids factor: a worked example

What does the result look like when dry-solids factor reaches 99%? The full calculation is worked below with real intermediate numbers. a plant operator or QC technician needs to adjust wet aggregate feed readings after rain, stockpile watering, or changing RAP moisture

The inputs for this scenario

  • Wet aggregate processed: 480 tons (unchanged)
  • Production runtime: 4 hr (unchanged)
  • Dry-solids factor (100 - moisture %): 99 % (raised for this scenario; the documented default is 94)

Working through the calculation

  • Applying the documented formula (Wet aggregate feed rate = wet aggregate processed รท production runtime) to the inputs above produces each figure below.
  • At this operating point the engine returns 119 dry tons / hr for corrected dry aggregate feed rate, the number this scenario is built around.
  • At this operating point the engine returns 120 wet tons / hr for wet aggregate feed rate.
  • At this operating point the engine returns 99 % for dry-solids factor.
  • At this operating point the engine returns 4 hr for production runtime.

How this compares with the baseline

  • Against the tool's baseline example, where dry-solids factor sits at 94% and the headline result is 113 dry tons / hr, this scenario comes in 5.32% above the baseline at 119 dry tons / hr.
  • A figure at this level is achievable when dry-solids factor is genuinely sustained, not just peaked for a shift. It uses a single average moisture figure; if piles vary or surface moisture differs from the lab-measured value, the corrected dry rate will drift from reality.

Results at a glance

  • Corrected dry aggregate feed rate: 119 dry tons / hr (headline result)
  • Wet aggregate feed rate: 120 wet tons / hr
  • Dry-solids factor: 99 %
  • Production runtime: 4 hr

Run it with your numbers

  • Every input above is editable in the live Aggregate Moisture Dry Feed Correction calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.