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CIR STRUCTURAL EQUIVALENCY FACTOR<br />
MECHANISTIC DESIGN MODULI<br />
GRANULAR BASE EQUIVALENCY (GBE)<br />
• NOTTINGHAM ASPHALT TESTER (NAT)<br />
– RESILIENT PROPERTIES<br />
– LABORATORY AND FIELD SAMPLES<br />
• REPRESENTATIVE FIELD SAMPLES TESTED<br />
– PROJECTS COMPLETED FROM 1991 TO 1996<br />
• MECHANISTIC DESIGN SUBGRADE STRAINS<br />
(BISAR)<br />
• GBE OF ~ 1.8 (a 1 ~ 0.35 - 0.40) NOTE – GBE AND a 1 ARE FOR<br />
PROPERLY DESIGNED AND CONSTRUCTED FOAMED<br />
ASPHALT STABILIZATION (QUALITY VERY IMPORTANT)
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