3. Description of materials used
3.1 Aggregate/bitumen interface
3.1.1 Aggregate characteristics
Two very different aggregates were used as bitumen substrates: granite and dolomite. Three different phases make up granite: feldspar, mica and quartz. While quartz consists solely of silica (SiO 2 ), micas (such as biotite) are generally composed of magnesium, titanium and iron ions. Feldspars, meanwhile, can contain potassium (orthocrystals KAlSi 3 O...
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Description of materials used
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