UNDERLAYER 60-300 KG, GABBRO

Granular layer beneath an armour layer that serves either as a filter or to even-out the formation level.
12.00 (AED)
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The granular underlayer protects the geotextile against puncturing by the overlying armor elements. It softens hydraulic pressure gradients, reduces lift forces on the armor elements and provides interlocking for the armor layer above. 

NOTESTRESULT
1Density of Rock ( Mg/m³)2940
2Water Absorption %0.2
3Aggregate Impact Value%7
4Point Load Index Test (MPa)10.06