Roadbase
Various-size Rocks
A combination of various-size rocks, which is hard, tough, clean, without other contaminationed particles. Consistent grading from large to small sizes, complied with the specifications of Department of Highways for fill work of road construction, as well as general fill work.
AASHTO M147, Department of Highways Standard
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Sieve size
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Sieve passing (%) |
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| Grade A | Grade B | Grade C | |
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50.0 mm (2")
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100 | 100 | - |
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25.0 mm (1")
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- | 75 - 95 | 100 |
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9.5 mm (3/8")
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30 - 65 | 40 - 75 | 50 - 85 |
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4.75 mm (#4)
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25 - 55 | 30 - 60 | 35 - 65 |
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2.00 mm (#10)
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15 - 40 | 20 - 45 | 25 - 50 |
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0.45 mm (#40)
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8 - 20 | 15 - 30 | 15 - 30 |
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0.075 mm (#200)
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2 - 8 | 5 - 20 | 5 - 15 |
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Physical properties
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Los Angeles Abrasion Test
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<40% | ||
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Modified Compaction
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>80% | ||
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Soundness
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<9% | ||
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Application
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