Flexible Road Structural Design – Sub-base & Capping Layer Design CivilWeb Spreadsheets > Flexible Road Design Spreadsheets > Flexible Road Structural Design – Sub-base & Capping Layer Design Sub-Base Resilient Modulus Sub-Base Design for Construction Traffic Elastic Analysis Emulsion Treated Foundation Bases Foamed Bituminous Stabilised Layers Foundation Stiffness Design Sub-Base & Capping Layer Thickness Design