|
Material |
Bank Weight per
cu. yd. |
Percent of Swell |
Load Factor |
Loose weight per
cu. yd. |
| Clay, dry |
2300 |
25 |
0.80 |
1840 |
Clay, dense, tough,
or wet |
3000 |
33 |
0.75 |
2250 |
| Coal |
|
|
|
1630 |
|
Anthracite |
2200 |
35 |
0.74 |
1400 |
|
Bituminous |
1900 |
35 |
0.74 |
1400 |
| Earth, dry |
2800 |
25 |
0.80 |
2240 |
| Earth, wet |
370 |
25 |
0.80 |
2700 |
| Gravel, dry |
3250 |
12 |
0.89 |
2900 |
| Gravel, wet |
3600 |
14 |
0.88 |
3200 |
| Limestone, blasted |
4200 |
67 - 75 |
0.60 - 0.57 |
2520 - 2400 |
| Limestone, crushed |
|
|
|
2700 - 2600 |
| Sand, dry |
3250 |
12 |
0.89 |
2900 |
| Sand, wet |
3600 |
14 |
0.88 |
3200 |
| Sandstone |
4140 |
40 - 60 |
0.72 - 0.63 |
2980 - 2610 |
| Shale, riprap |
2800 |
33 |
0.75 |
2100 |
| Slate |
4590 - 4860 |
30 |
0.77 |
3530 - 3740 |
| Taprock |
5075 |
50 |
0.67 |
3400 |
| Snow |
|
|
|
|
|
Freshen Fallen |
|
|
|
135 - 325 |
|
Wet |
|
|
|
405 - 540 |
| Garbage |
|
|
|
1350 |
| Ice |
|
|
|
1550 |
| Ashes |
|
|
|
1080 |
|
