Table 4 The main performance indicators of each grade of aggregate.
From: Life cycle assessment of asphalt pavement containing MSWI bottom ash
Mixture type | Aggregate type | Particle size range/mm | Apparent relative density | Bulk volume relative density | Water absorption rate/% |
|---|---|---|---|---|---|
SMA-13 | Basalt | 0–3 | 2.863 | – | – |
3–5 | 3.009 | 2.806 | 2.41 | ||
5–10 | 2.998 | 2.815 | 2.17 | ||
10–15 | 2.985 | 2.841 | 1.70 | ||
AC-16 | Basalt | 0–4.75 | 2.911 | – | – |
4.75–9.5 | 2.996 | 2.776 | 2.65 | ||
9.5–13.2 | 2.985 | 2.776 | 2.52 | ||
13.2–19 | 2.986 | 2.823 | 1.93 | ||
AC-20 | Limestone | 0–5 | 2.708 | – | – |
5–10 | 2.825 | 2.793 | 0.43 | ||
10–20 | 2.739 | 2.712 | 0.36 | ||
Limestone powder | 0–0.075 | 2.667 | – | – | |