Table 2 Grading and physical properties of aggregates.
From: Lightweight Self-consolidating Concrete with Expanded Shale Aggregates: Modelling and Optimization
Sieve size (mm) | % Passing | |||
|---|---|---|---|---|
ASTM C-330 specification | E-shale | |||
Fine | Coarse | Fine | Coarse | |
13.20 | 100 | 100 | 100 | 100 |
9.50 | 80–100 | 100 | 100 | 91 |
4.75 | 5–40 | 85–100 | 100 | 18.8 |
2.36 | 0–20 | – | 95 | 2.5 |
1.18 | 0–10 | 40-80 | 65 | 1.6 |
0.60 | – | – | 41 | 0.6 |
0.30 | – | 10–35 | 23.5 | 0.1 |
0.15 | – | 5–25 | 14.7 | 0 |
Bulk specific gravity (dry) | – | – | 1.40 | 1.33 |
Bulk specific gravity (SSD) | – | – | 1.81 | 1.71 |
Dry loose bulk density (kg/m3) | 1,120 (max) | 880 (max) | 1,070 | 862 |
Absorption (%) | – | – | 13 | 14 |