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FOAMED ASPHALT STABILIZATION CHARACTERIZATION IN JEGEL NAT<br />
0.7<br />
AASHTO 93 a 1 STRUCTURAL LAYER COEFFICIENT<br />
FOR HOT-MIX ASPHALT AND FOAMED ASPHALT<br />
0.65<br />
STRUCTURAL LAYER COEFFICIENT a 1<br />
0.6<br />
0.55<br />
0.5<br />
0.45<br />
0.4<br />
0.35<br />
0.3<br />
0.25<br />
0.2<br />
HMA<br />
UPPER FOAMED<br />
ASPHALT<br />
LOWER FOAMED<br />
ASPHALT<br />
0 5 10 15 20 25 30 35 40<br />
TEMPERATURE ( o C)<br />
a 1 DETERMINED FROM<br />
a<br />
⎡ E ⎤<br />
0.40Log<br />
⎢ 450⎥<br />
⎣ ⎦<br />
RT<br />
1<br />
= +<br />
0.44<br />
a 1 IS DOTTED WHEN GREATER THAN 0.5<br />
AS GIVEN IN FHWA-RD-97-077
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