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

–

–