Research Article

Effect of Different Types of Fly Ash on Properties of Asphalt Mixtures

Table 1

Overview of tests conducted on fly ash specimens.

Mechanical properties/methodDensity
EN 1097-7
Voids in dry compacted filler (fly ash)
EN 1097-4
Increase of the ring and ball softening point
EN 13179-1
Bitumen number
EN 13179-2
Chemical composition/methodNa2O, MgO, Al2O3, SiO2, SO3, K2O, CaO, TiO2, Fe2O3, Gd2O3, R
SEM method
Ecological suitability/methodPresence of heavy metals
EN 13656; AMA-12; EN 12457-4
Radioactivity
Gamma-spectrometric analysis
Leaching test
EN 12457-4, EN 12506, EN 13370, EPA 2007
Content of organic matters/methodLoss on ignition-LOI
EN 12879
Mineral properties/methodDetermination of amorphous and crystalline phase contents
Physical propertiesColour, shape, and size of particles, surface texture
SEM method
Gradation
EN 933-10