Job Mix Formula
In highway engineering, subbase is the layer of aggregate material laid on the subgrade, on which the base course layer is located. It may be omitted when there will be only foot traffic on the pavement, but it is necessary for surfaces used by vehicles.
Field Tests
Base and Surface Course Bituminous-Mix Designs Job Mix Formula
- Bituminous Macadam
- Dense Bituminous Macadam
- Sand Asphalt Base Course)
- Bituminous Concrete
- Premix Surfacing
- Mixed Seal Surfacing
- Seal Core
- Slurry Seal
- Surface Dressing
- Stone Matrix Asphalte
- Mastic Asphalt
Sub-Bases/ Bases (Non-Bituminous) Job Mix Formula
- Granular Sub-Basem
- Water Bound Macadamm
- Wet Mix Macadam)
- Crusher Run Macadam
- Shoulders
- Blanketing & Sub Grade Materials for Railway Formations