Riprap
Crushed Rock
Hard, durable rock without gypsum anhydrite, shale, soft rock, or weathered rock. Shapes are less elongation without cracks or other appearance showing low durability from erosion.
Physical properties
| Particle size |
Thickness of construction design |
|||
| 20 cm | 30 cm | 50 cm | 70 cm | |
|
> 50 cm
|
>30% | |||
|
> 30 cm
|
<20% | >50% | >50% | |
|
> 15 cm
|
>20% | >60% | >70% | >70% |
|
> 7 cm
|
>60% | >80% | >90% | >90% |
|
< 3 cm
|
<5% | <5% | <5% | |
|
Physical properties
|
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|
Los Angeles Abrasion Test
|
<40% | |||
|
Specific gravity
|
>2.65 | |||
|
Soundness
|
<12% | |||
|
Application
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