Equivalence between dry bound macadam and other types of base layers for flexible pavements

The content and the conclusions of that report are presented concisely hereinafter.

2 RESEARCH APPROACH

The main objective of the report was to settle an equivalence between base layers made from graded aggregate and those made from macadam. There was a need to establish a correspondence between the pavement sections of the Spanish Design Catalogue in force at that time and those having a macadam base layer.