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Publication Number: FHWA-04-111
Date: February 2005

Evaluation of The Laboratory Asphalt Stability Test

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APPENDIX A
Averaged Data of Separation Ratios and Deregulation Ratios

Table 6. Elvaloy (B6228) separation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour
0.95 1.00 1.03 1.00 0.93 1.00 0.93 1.00 1.00 1.00 0.98 1.00 1.76 1.00 1.75 1.00
6 hour
1.00 0.89 1.00 1.00 1.03 1.00 1.03 0.98 0.95 1.00 0.96 1.02 1.08 1.00 1.08 0.99
24 hour
0.99 1.00 0.99 1.00 0.96 1.00 0.96 1.00 0.96 1.00 0.97 1.01 1.06 0.99 1.05 0.99
31 hour
1.02 1.00 1.00 1.00 1.07 1.00 1.07 1.00 1.01 1.00 1.01 1.00 1.00 1.00 1.01 1.00
48 hour
0.97 1.00 0.97 1.01 0.88 1.00 0.89 1.00 0.94 1.00 0.97 1.01 1.01 1.00 1.00 0.99

Table 7. Elvaloy (B6228) degradation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s)
5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature
HT HT IT IT HT HT IT IT
Time of Sampling
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour
0.89 1.03 0.97 1.04 0.98 1.00 0.98 1.00 0.78 1.13 0.9 1.07 0.85 1.00 0.87 1.01
24 hour
0.89 1.05 1.00 1.03 0.97 0.99 0.95 0.99 0.79 1.04 0.93 1.07 0.96 0.99 0.94 0.99
31 hour
0.92 1.05 1.00 1.03 0.99 0.99 0.98 0.99 0.85 1.03 0.98 1.04 0.95 0.99 0.94 0.99
48 hour
0.96 1.04 1.06 1.01 1.01 0.99 0.99 0.98 0.96 1.01 1.05 1.01 0.98 0.99 0.95 0.98

Table 8. SBS-lg (B6229) separation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour
1.00 1.00 0.99 1.00 1.04 1.00 1.04 1.00 0.93 1.02 1.01 1.01 1.03 1.01 1.03 1.01
6 hour
0.97 0.99 0.97 1.01 1.2 0.99 1.06 0.99 0.93 1.00 0.94 1.02 0.92 1.00 0.93 1.00
24 hour
0.99 1.00 1.01 1.00 0.99 1.02 1.3 0.88 0.97 0.99 0.97 1.01 0.92 1.00 0.93 1.00
31 hour
1.02 1.01 1.00 0.99 1.07 1.01 1.08 1.00 0.98 0.99 0.99 1.00 1.09 1.00 1.10 1.00
48 hour
1.69 0.98 1.65 0.9 0.9 1.00 0.9 0.99 1.00 1.01 1.01 0.99 1.00 1.00 0.99 1.00

Table 9. SBS-lg (B6229) degradation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency(rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.02 1.00 1.43 1.00 0.95 1.00 0.84
6 hour
1.07 1.02 1.03 0.99 0.95 0.98 0.92 0.99 1.03 1.01 1.03 0.98 1.06 1.00 1.05 1.00
24 hour
1.16 0.99 1.04 0.96 0.9 1.00 0.89 1.00 1.12 0.99 1.04 0.96 0.98 1.00 0.97 1.00
31 hour
1.23 0.96 1.04 0.94 0.97 1.00 0.96 1.00 1.17 0.98 1.03 0.96 1.02 1.01 1.03 1.00
48 hour
4.79 0.9 2.89 0.74 0.89 1.00 0.88 1.00 1.24 0.93 0.99 0.94 0.98 1.01 1.00 1.01

Table 10. SBS-1 (B6230) separation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour
1.13 0.98 1.10 0.99 0.96 1.0 0.97 1.01 1.07 0.98 1.06 1.00 - - - -
6 hour
1.03 0.99 1.01 0.99 0.97 0.99 0.96 0.99 0.96 1.02 1.00 1.01 1.05 1.01 1.05 1.00
24 hour
1.00 1.00 1.00 1.00 1.01 0.99 0.99 0.99 0.98 1.01 0.99 1.01 0.98 1.00 0.99 1.00
31 hour
0.98 1.00 0.98 1.00 1.04 1.01 1.07 1.01 1.00 1.03 1.00 1.01 1.05 1.00 1.05 1.00
48 hour
0.97 1.01 0.99 1.00 0.93 1.00 0.94 1.00 1.03 0.99 1.01 1.00 1.07 1.00 1.07 1.00

Table 11. SBS-1 (B6230) degradation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 - - - -
6 hour 1.21 1.03 1.20 0.97 0.95 0.92 0.91 0.98 1.00 1.00 1.05 0.98 1.14 0.99 1.13 1.89
24 hour 1.13 1.01 1.08 0.96 0.9 0.98 0.87 0.99 1.22 0.95 1.06 0.93 1.03 1.00 1.03 1.93
31 hour 1.15 1.02 1.10 0.96 0.91 0.96 0.87 0.97 1.26 0.95 1.10 0.93 1.08 1.00 1.07 0.91
48 hour 1.23 1.01 1.14 0.95 0.97 0.98 0.94 0.98 1.26 0.94 1.03 0.91 1.12 1.00 1.12 0.91

Table 12. SBS-rg (B6231) separation notice

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour
0.86 1.01 0.96 1.03 1.04 1.0 1.04 1.0 0.86 1.02 0.91 1.04 0.99 1.01 1.00 1.0
6 hour
0.92 0.99 1.04 0.98 1.0 1.0 1.01 1.0 1.22 1.01 0.93 1.01 0.96 1.11 0.97 1.09
24 hour
1.05 0.98 1.04 0.99 0.97 1.0 0.98 1.0 0.97 0.99 1.0 1.0 1.06 1.00 1.06 1.0
31 hour
1.07 0.99 1.01 0.98 1.1 1.0 1.09 1.0 1.01 0.98 0.97 1.0 1.05 1.01 1.08 1.02
48 hour
1.14 0.99 1.01 0.99 1.06 1.01 1.07 1.0 0.62 1.0 0.99 1.01 0.96 1.00 0.95 1.00

Table 13. SBS-rg (B6231) degradation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour
1.75 0.94 1.13 0.88 0.94 0.96 0.9 0.96 1.12 1.03 1.15 0.99 0.81 0.96 0.8 0.97
24 hour
1.3 0.94 1.03 0.92 0.81 0.98 0.8 0.99 1.15 1.00 1.09 0.98 0.97 1.01 0.99 1.01
31 hour
1.29 0.94 0.98 0.92 0.86 0.97 0.84 0.98 1.12 1.00 1.09 0.98 0.9 1.01 0.91 1.01
48 hour
1.35 0.94 0.98 0.92 0.85 0.98 0.84 0.99 1.73 0.98 1.01 0.97 0.9 1.01 0.92 1.01

Table 14. EVA (B6232) separation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour
0.99 1.00 0.99 1.00 1.03 1.01 1.06 1.01 0.93 0.95 0.85 1.02 1.08 1.00 0.99 1.00
6 hour
0.73 1.02 0.76 1.04 0.67 1.02 0.69 1.03 0.94 0.99 0.98 1.00 1.05 1.00 1.04 1.00
24 hour
0.62 1.04 0.67 1.07 0.62 1.04 0.66 1.07 0.97 1.00 0.97 1.01 0.83 0.99 0.83 0.99
31 hour
0.69 1.00 0.7 1.03 0.69 1.05 0.7 1.03 - - - - - - - -
48 hour
0.40 1.07 0.45 1.11 0.4 1.07 0.45 1.11 0.92 0.99 0.91 1.02 1.11 0.99 1.12 0.99

Table 15. EVA (B6232) degradation ratios

Conditioning Step External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour
0.59 0.66 0.59 0.69 0.87 1.01 0.89 1.03 1.12 1.02 1.13 0.98 0.87 1.02 0.9 1.03
24 hour
1.01 1.01 1.03 1.00 1.02 1.00 1.15 1.01 1.18 1.02 1.19 0.97 0.9 1.01 0.91 1.01
31 hour
1.18 1.00 1.2 0.98 1.02 1.01 1.02 1.01 - - - - - - - -
48 hour
1.15 0.99 1.13 0.97 0.77 1.01 0.81 1.04 1.24 1.01 1.22 0.96 0.91 1 0.92 1.01

Table 16. EVA-g (B6233) separation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour 0.99 1.00 0.99 1.00 1.03 1.01 1.06 1.01 0.98 1.00 0.97 1.01 1.07 0.98 1.05 0.98
6 hour 0.9 1.00 0.91 1.02 0.73 1.02 0.76 1.04 0.96 1.00 0.98 1.01 0.97 1.00 0.96 1.00
24 hour 0.75 1.03 0.79 1.08 0.62 1.05 0.67 1.08 0.91 1.02 0.95 1.03 1.09 1.01 1.10 1.01
31 hour 0.75 1.01 0.77 1.07 0.7 1.01 0.71 0.92 1.00 1.00 1.01 1.00 1.04 1.01 1.05 1.01
48 hour 0.72 1.01 0.75 1.08 0.4 1.07 0.45 1.18 1.03 1.00 1.04 1.00 0.89 1.01 0.9 1.01

Table 17. EVA-g (B6233) degradation ratios

Conditioning
Step
External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour 1.04 1.00 1.03 0.99 0.92 1.02 0.95 1.02 0.94 1.00 0.95 1.02 0.93 1.01 0.94 1.01
24 hour 1.15 0.99 1.10 0.97 1.07 1.00 1.07 1.01 1.04 0.99 1.01 0.99 0.9 1.00 0.9 1.00
31 hour 1.15 0.99 1.11 0.98 0.86 1.02 0.89 1.05 1.04 1.00 1.02 0.99 0.88 1.02 0.91 1.03
48 hour 1.21 0.99 1.17 0.96 1.25 0.99 1.22 1.00 1.08 0.99 1.04 0.98 0.87 1.00 0.88 1.01

Table 18 ESI (B6243) separation ratios

Conditioning Step External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour 1.02 1.00 1.02 1.00 1.17 1.00 1.16 0.99 0.96 1.00 0.96 1.01 0.99 0.99 0.99 0.99
6 hour 0.95 1.00 0.95 1.02 0.95 1.01 0.96 1.02 0.94 1.03 0.98 1.01 1.01 1.02 1.00 1.04
24 hour 1.00 1.00 0.99 1.01 0.7 1.03 0.75 1.06 0.98 0.98 0.98 1.00 0.95 0.99 0.96 1.00
31 hour 0.91 1.00 0.92 1.03 0.69 1.05 0.75 1.06 1.01 1.01 1.00 1.00 1.02 0.98 1.01 0.98
48 hour 1.01 1.00 0.98 1.00 0.86 1.01 0.87 1.02 1.04 1.00 1.02 0.99 0.83 1.01 0.86 1.02

Table 19 ESI (B6243) degradation ratios

Conditioning Step External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour
1.01 1.00 1.00 1.00 1.18 0.98 1.14 0.98 1.15 0.98 1.05 0.98 0.92 1.01 0.91 1.00
24 hour
1.04 0.98 1.09 0.66 1.08 0.99 1.05 0.99 1.16 0.98 1.07 0.97 0.81 1.02 0.85 1.02
31 hour
1.03 1.00 1.04 0.99 1.19 0.98 1.14 0.98 1.09 1.00 1.07 0.97 0.85 1.01 0.88 1.01
48 hour
1.18 1.00 1.14 0.95 1.04 0.98 1.01 0.98 1.18 1.00 1.15 0.95 0.97 1.00 0.98 0.99

Table 20. CMCRA (B6251) separation units

Conditioning Step External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50.0 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
RS
G*
RS
delta symbol
0 hour 0.98 1.00 0.97 1.00 1.12 1.00 1.13 1.00 1.08 1.00 1.10 0.99 1.02 1.00 1.02 0.99
6 hour 0.84 1.01 0.9 1.05 1.07 1.04 1.08 1.00 1.05 0.98 1.04 0.98 0.98 1.01 0.98 1.01
24 hour - - - - - - - - 0.98 1.00 1.01 1.00 1.04 1.00 1.05 1.00
31 hour 0.67 1.07 0.83 1.11 1.13 1.00 1.13 1.00 0.88 1.01 0.9 1.04 0.93 1.00 0.93 1.00
48 hour 0.69 1.09 0.89 1.10 1.15 1.00 1.15 0.99 1.00 1.00 1.01 1.00 0.98 1.00 0.98 1.00

Table 21. CMCRA (B6251) degradation ratios

Conditioning Step External Heat without Agitation External Heat with Mechanical Agitation
Frequency (rads/s) 5.0 50.0 5.0 50.0 5.0 50 5.0 50.0
Temperature HT HT IT IT HT HT IT IT
Time of Sampling Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
Rd
G*
RS
delta symbol
0 hour 1.00 1.58 1.00 1.59 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
6 hour 0.69 1.02 0.82 1.11 1.15 1.00 1.14 0.99 1.03 1.01 1.00 0.98 0.97 1.00 0.96 1.00
24 hour - - - - - - - - 1.10 1.01 1.05 0.97 0.96 1.00 0.95 1.00
31 hour 1 0.97 0.99 1.01 1.14 0.99 1.12 0.99 1.14 1.00 1.06 0.81 0.99 0.99 0.97 0.99
48 hour 1.02 0.96 0.98 1.00 1.14 0.99 1.11 0.98 1.23 1.01 1.15 0.94 0.99 0.99 0.97 0.99

 

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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