Evaluation of Reclaimed Hydrated Fly Ash as an Aggregate for Sustainable Roadway Base Material

Table 2

Summary of geogrid material mechanical properties.

Property	Test method	Units	Minimum value
Aperture shape	Observation		Triangular
Aperture size (longitudinal × diagonal direction)	Direct measurement	mm	40 × 40
Radial stiffness at 0.5% strain, min.	ASTM D6637-11	kN (m)	300
Junction efficiency	ASTM D7737	%	93