Table 1 The identification, chemical composition, rock type and potential ASR reactivity of the selected aggregates.
Agg. ID | Chemical composition (%) | Rock type | Potential ASR reactivity | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | CaO | MgO | Na2O | K2O | LOI | |||
RA-A | 60.82 | 15.89 | 5.37 | 4.34 | 2.49 | 3.57 | 3.73 | 2.14 | Andesite | Reactive |
RA-B | 68.00 | 15.48 | 2.86 | 1.14 | 0.94 | 4.52 | 5.40 | 0.63 | Dacite | Reactive |
RA-C | 59.33 | 17.15 | 5.83 | 5.30 | 2.54 | 3.76 | 2.68 | 1.83 | Andesite | Reactive |
RA-D | 52.50 | 18.45 | 8.35 | 8.36 | 4.59 | 3.74 | 1.22 | 0.98 | Basaltic-andesite | Reactive |