EPG 88 AGGREGATES
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Armor Rocks, Boulders, Coarse Aggregates, Fine Aggregates & Common Borrow
Armor Rocks & Boulders
Description - Oblate shaped, well-rounded and visibly weathered
Identification - Ultramafic Rock
Compressive Strength % - (Mpa - 69.47) (Psi - 10070)
Apparent Specific Gravity - 2.915
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Course Aggregates
G1
Description - It is cobble to boulder-sized, dark in color with visible pyroxene minerals with some exhibiting ultramafic weathering
Identification - Processed aggregates
Los Angeles Abrasion (% of Wear) - 25.19
Bulk Specific Gravity (SSD) - 2.898
Bulk Specific Gravity (DRY) - 2.890
Apparent Specific Gravity - 2.913
Absorption % - 0.267
Coarse Aggregates
3/4
Description - It is cobble-sized, dark in color with visible pyroxene minerals with some exhibiting ultramafic weathering
Identification - Processed aggregates
Los Angeles Abrasion (% of Wear) - 22.8
Bulk Specific Gravity (SSD) - 2.779
Bulk Specific Gravity (DRY) - 2.756
Apparent Specific Gravity - 2.820
Absorption % - 0.822
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Fine Aggregates
S1
Description - It is a sand to cobble-sized, dark in color with visible pyroxene minerals with some exhibiting ultramafic weathering
Identification - Processed aggregates
Fine Aggregates
Raw Sand
Description - It is a naturally occurring granular material comprised of finely divided of rock and mineral particles
Fine Aggregates
Vibro Sand
Description - It is stabilising granular soils such as loose sands, gravels and some hydraulic fills
Fine Aggregates
Lahar
Description - It is a mixture of water and rock fragments of Mt. Pinatubo that flows down the slopes of a volcano and typically enters a river valley
Common Borrow
Description - It is a soil or sediment removed from site for use in construction, such as sandy sediment dredged and pumped to restore an eroded beach, or clay taken to build a levee or dike
