Densities for Use in - Iowa Department of Transportation
Base Course . 145 pcf 155 pcf : 150 pcf . Intermediate Course 147 pcf 155 pcf 150 pcf Surface Course 147 pcf 160 pcf 155 pcf . The following densities should be used for estimating quantities of granular material. Table 2: Granular Material Densities . Material English. Granular Subbase . 135 pcf Granular Backfill 125 pcf Granular Blanket 125 pcf
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