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

Evaluation of The Laboratory Asphalt Stability Test

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APPENDIX B
Data of Separation Ratios and Degradation Ratios on Replicates

Data deviating significantly from the average are highlighted.

Table 22. Elvaloy (B6228) separation ratios on replicates

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

0.96

1.00

0.98

1.01

1.00

1.00

1.00

1.00

0.95

1.00

0.96

1.01

1.07

1.00

1.08

1.00

1.04

1.00

1.02

0.99

1.08

1.00

1.11

1.01

0.91

1.00

0.91

1.04

1.15

1.00

1.16

1.00

1.01

0.66

0.99

1.00

1.01

1.00

1.03

1.00

1.00

1.00

1.00

1.00

1.02

1.00

1.01

0.98

24 hour

0.98

1.00

0.99

1.00

0.97

1.00

0.97

1.00

0.99

1.00

0.97

1.01

1.22

0.97

1.18

0.99

1.01

1.00

1.00

1.00

1.02

1.00

1.01

1.00

0.96

1.00

0.98

1.01

1.04

1.00

1.05

1.00

0.97

1.00

0.98

1.01

0.90

1.00

0.90

1.00

0.93

1.01

0.97

1.02

0.93

1.00

0.93

1.00

31 hour

1.02

1.00

1.00

1.00

0.94

1.00

0.93

1.00

1.10

1.01

1.09

0.97

1.11

1.00

1.13

1.00

1.01

1.00

1.01

0.99

1.22

1.00

1.23

1.00

0.96

1.00

0.97

1.01

0.94

1.00

0.95

1.00

1.02

1.00

0.98

1.00

1.05

1.00

1.05

1.00

0.97

1.00

0.97

1.00

0.96

1.00

0.96

0.99

48 hour

1.00

0.99

0.97

1.01

0.96

1.00

0.96

1.00

0.93

1.00

0.98

1.02

1.06

1.00

1.04

0.99

0.92

1.01

0.93

1.03

0.76

1.01

0.78

1.00

0.99

1.00

0.99

1.00

0.96

1.00

0.96

1.00

1.00

1.00

1.01

1.00

0.91

1.00

0.92

1.00

0.91

1.00

0.93

1.02

1.01

1.00

1.01

1.00

Table 23. Elvaloy (B6228) degradation ratios on replicates

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*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd 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

0.81

1.04

0.92

1.06

0.91

1.00

0.90

1.00

0.88

1.03

0.96

1.04

0.96

1.00

0.96

1.00

0.74

1.04

0.87

1.09

0.80

1.00

0.79

0.99

0.89

1.03

0.97

1.04

1.00

1.00

1.00

1.00

0.79

1.31

0.91

1.07

0.84

1.00

0.84

0.99

0.89

1.03

0.97

1.03

0.98

1.00

0.99

1.01

24 hour

0.80

1.05

0.93

1.07

1.02

0.99

1.01

0.99

0.88

1.05

0.99

1.03

0.96

0.98

0.94

0.99

0.78

1.04

0.92

1.08

0.98

0.99

0.96

0.99

0.89

1.05

1.00

1.03

0.96

1.00

0.96

0.99

0.79

1.04

0.94

1.07

0.87

0.99

0.85

0.99

0.91

1.05

1.02

1.03

0.98

0.99

0.96

0.99

31 hour

0.86

1.03

0.98

1.04

0.96

0.99

0.94

0.99

0.92

1.04

1.02

1.03

1.02

0.99

1.01

0.99

0.85

1.03

0.98

1.04

0.93

0.99

0.91

0.99

0.90

1.05

1.00

1.03

0.93

0.99

0.91

0.99

0.85

1.03

0.98

1.05

0.98

0.99

0.97

0.99

0.94

1.05

1.05

1.02

1.03

0.99

1.01

0.99

48 hour

0.98

1.01

1.08

1.00

0.96

0.99

0.94

0.98

0.98

1.04

1.08

1.00

1.02

0.99

1.00

0.99

0.94

1.02

1.03

1.01

1.08

0.98

1.05

0.98

0.98

1.04

1.08

1.00

1.01

0.99

1.00

0.98

0.95

1.01

1.04

1.01

0.89

0.98

0.86

0.98

0.92

1.04

1.03

1.03

0.99

0.98

0.97

0.98

Table 24. Elvaloy (B6228) separation ratios on replicate reruns

Conditioning Step

External Heat without Agitation

Frequency (rads/s)

5.0

5.0
Rerun

50.0

50.0
Rerun

Temperature

HT

HT

HT

HT

Time of Sampling

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

-

-

6 hour

0.96

1.00

1.04

1.00

0.98

1.01

1.03

1.00

1.04

1.00

1.00

1.00

1.02

0.99

1.00

1.00

1.01

0.66

-

-

0.99

1.00

-

-

24 hour

0.98

1.00

0.97

1.01

0.99

1.00

0.98

1.00

1.01

1.00

1.02

1.00

1.00

1.00

1.01

1.00

0.97

1.00

-

-

0.98

1.01

-

-

31 hour

1.02

1.00

1.05

0.99

1.00

1.00

1.04

1.00

1.01

1.00

0.96

1.00

1.01

0.99

0.97

1.00

1.02

1.00

-

-

0.98

1.00

-

-

48 hour

1.00

0.99

0.97

1.00

0.97

1.01

0.97

1.00

0.92

1.01

-

-

0.93

1.03

-

-

1.00

1.00

-

-

1.01

1.00

-

-

Table 25. Elvaloy (B6228) degradation ratios on replicate reruns

Conditioning Step

External Heat without Agitation

Frequency (rads/s)

5.0

5.0
Rerun

50.0

50.0
Rerun

Temperature

HT

HT

HT

HT

Time of Sampling

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

0 hour

1.00

1.00

-

-

1.00

1.00

-

-

6 hour

0.81

1.04

0.88

1.03

0.92

1.06

1.00

0.93

0.74

1.04

0.86

1.03

0.87

1.09

0.90

1.02

0.79

1.31

-

-

0.91

1.07

-

-

24 hour

0.80

1.05

0.86

1.04

0.93

1.07

0.92

1.03

0.78

1.04

0.87

1.04

0.92

1.08

0.93

1.03

0.79

1.04

-

-

0.94

1.07

-

-

31 hour

0.86

1.03

0.90

1.03

0.98

1.04

0.95

1.03

0.85

1.03

0.86

1.03

0.98

1.04

0.92

1.03

0.85

1.03

-

-

0.98

1.05

-

-

48 hour

0.98

1.01

0.94

1.02

1.08

1.00

0.98

1.02

0.94

1.02

-

-

1.03

1.01

-

-

0.95

1.01

-

-

1.04

1.01

-

-


Table 26. SBS-lg (B6229) separation ratios on replicates

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

1.0

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

1.02

0.99

1.00

1.00

1.3

0.99

1.01

0.99

0.89

1.01

0.92

1.03

0.96

1.01

0.98

1.01

0.93

0.99

0.95

1.02

1.13

1.00

1.11

1.00

0.97

0.99

0.97

1.01

0.89

1.00

0.89

1.00

24 hour

1.04

0.99

1.02

1.00

1.51

1.03

1.60

1.03

0.97

0.97

0.96

1.01

0.75

1.00

0.76

1.00

0.97

1.02

1.01

1.00

0.99

1.01

1.00

1.00

0.98

1.01

0.99

1.01

1.10

1.00

1.10

1.00

31 hour

1.03

1.02

1.04

0.99

1.09

1.01

1.11

1.01

1.02

0.97

1.00

1.00

1.13

1.00

1.13

1.00

1.01

0.99

0.99

1.00

1.05

1.01

1.05

1.00

0.94

1.01

0.99

1.01

1.06

1.00

1.07

1.00

48 hour

0.70

1.01

0.92

1.00

0.79

0.99

0.78

0.99

0.99

1.02

1.01

1.00

1.01

1.00

1.00

1.00

2.67

0.95

2.37

0.79

1.02

1.00

1.02

1.00

1.00

0.99

1.00

0.97

0.98

1.00

0.98

1.00

Table 27. SBS-lg (B6229) degradation ratios on replicates

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*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd 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

1.08

1.01

1.03

0.98

0.93

0.98

0.90

0.99

1.01

1.01

1.01

0.99

1.05

1.00

1.05

1.00

1.05

1.02

1.02

0.99

0.97

0.98

0.94

0.99

1.04

1.01

1.04

0.97

1.06

1.00

1.05

0.99

24 hour

1.16

1.00

1.04

0.96

0.78

0.99

0.76

0.99

1.11

0.98

1.02

0.96

1.00

1.00

0.99

1.00

1.16

0.98

1.03

0.96

1.01

1.00

1.01

1.00

1.13

0.99

1.05

0.96

0.95

1.00

0.95

1.00

31 hour

1.26

0.95

1.04

0.94

0.93

1.00

0.92

1.00

1.16

0.97

1.02

0.96

1.03

1.01

1.03

1.00

1.20

0.97

1.03

0.94

1.01

1.00

1.00

1.00

1.18

0.98

1.04

0.95

1.01

1.01

1.02

1.00

48 hour

6.94

0.88

3.93

0.67

0.84

0.99

0.83

1.00

1.24

0.91

0.98

0.94

1.00

1.01

1.02

1.01

2.63

0.92

1.84

0.81

0.93

1.00

0.92

1.00

1.23

0.94

1.00

0.94

0.95

1.01

0.97

1.01

Table 28. SBS-lg (B6229) separation ratios on replicate reruns

Conditioning Step

External Heat without Agitation

Frequency (rads/s)

5.0

5.0
Rerun

50.0

50.0
Rerun

Temperature

HT

HT

HT

HT

Time of Sampling

RS G*

RS delta symbol

RS G*

RS delta symbol

RS G*

RS delta symbol

RS G*

RS delta symbol

0 hour

1.0

1.00

1.04

1.01

0.99

1.00

1.04

1.00

6 hour

1.02

0.99

0.84

1.00

1.00

1.00

0.84

1.01

0.93

0.99

1.00

0.99

0.95

1.02

1.00

1.00

24 hour

1.04

0.99

0.95

0.99

1.02

1.00

0.94

1.00

0.97

1.02

0.99

0.99

1.01

1.00

0.98

1.00

31 hour

1.03

1.02

-

-

1.04

0.99

-

-

1.01

0.99

-

-

0.99

1.00

-

-

48 hour

0.70

1.01

1.03

1.00

0.92

1.00

1.03

1.00

2.67

0.95

0.98

1.00

2.37

0.79

0.97

1.00

Table 29. SBS-lg (B6229) degradation ratios on replicate reruns

Conditioning Step

External Heat without Agitation

Frequency (rads/s)

5.0

5.0
Rerun

50.0

50.0
Rerun

Temperature

HT

HT

HT

HT

Time of Sampling

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

0 hour

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

6 hour

1.08

1.01

0.89

1.03

1.03

0.98

0.90

1.00

1.05

1.02

0.94

1.02

1.02

0.99

0.96

1.00

24 hour

1.16

1.00

1.00

1.00

1.04

0.96

0.95

0.97

1.16

0.98

1.07

0.99

1.03

0.96

1.00

0.97

31 hour

1.26

0.95

-

-

1.04

0.94

-

-

1.20

0.97

-

-

1.03

0.94

-

-

48 hour

6.94

0.88

1.17

0.94

3.93

0.67

1.01

0.94

2.63

0.92

1.21

0.92

1.84

0.81

1.03

0.93

Table 30. SBS-l (B6230) separation ratios on replicates

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

1.00

0.97

1.01

1.07

0.98

1.06

1.00

-

-

-

-

6 hour

1.03

0.98

1.01

0.98

0.89

0.97

0.84

0.97

0.99

1.03

1.04

1.02

1.08

1.01

1.10

1.01

1.02

0.99

1.01

1.00

1.05

1.01

1.08

1.01

0.93

1.04

1.00

1.02

1.11

1.01

1.12

1.01

1.04

1.01

1.02

0.99

-

-

-

-

0.97

0.99

0.97

1.00

0.95

1.00

0.94

0.99

24 hour

1.01

1.00

1.02

1.00

0.94

0.98

0.91

0.98

0.99

0.99

0.99

1.01

0.93

1.00

0.94

1.00

0.94

1.00

0.94

1.00

1.14

0.99

1.13

0.99

1.03

0.99

1.00

1.01

1.04

1.00

1.05

1.00

1.06

1.00

1.04

0.99

0.94

1.00

0.94

1.00

0.93

1.04

0.98

1.02

0.97

1.01

0.97

1.01

31 hour

0.97

1.01

1.01

1.02

1.03

1.00

1.04

1.00

1.01

1.01

1.03

1.00

1.02

1.01

1.03

1.01

1.01

0.98

0.98

0.99

1.01

1.01

1.04

1.01

0.98

1.04

0.97

1.01

1.13

1.00

1.13

0.99

0.96

1.01

0.96

1.00

1.08

1.02

1.12

1.02

-

-

-

-

1.00

1.00

0.99

1.00

48 hour

0.92

1.02

0.96

1.02

0.84

1.01

0.85

1.01

1.06

0.99

1.04

1.01

0.94

1.00

0.96

1.00

0.96

1.00

0.96

1.01

0.98

1.01

0.98

1.00

1.01

0.98

0.99

1.00

1.16

1.00

1.15

1.00

1.04

1.00

1.04

1.00

0.99

1.00

0.99

1.00

1.01

1.00

1.00

1.00

1.11

1.00

1.11

1.00

Table 31. SBS-l (B6230) degradation ratios on replicates

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*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd 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

1.22

1.02

1.20

0.96

0.92

0.97

0.88

0.97

1.11

0.99

1.07

0.97

1.11

0.99

1.11

0.90

1.24

1.02

1.22

0.97

0.98

0.97

0.94

0.98

1.08

1.01

1.05

0.98

1.17

0.99

1.15

0.89

1.18

1.02

1.18

0.97

-

-

-

-

1.05

1.00

1.03

0.98

1.15

0.99

1.13

0.89

24 hour

1.13

1.01

1.07

0.96

0.89

0.98

0.85

0.98

1.24

0.95

1.07

0.93

1.02

1.00

1.02

0.99

1.11

1.01

1.07

0.96

0.93

0.98

0.91

0.99

1.20

0.95

1.05

0.94

1.02

0.99

1.02

0.90

1.14

1.02

1.10

0.97

0.88

0.98

0.85

0.99

1.22

0.94

1.05

0.93

1.04

1.00

1.04

0.91

31 hour

1.17

1.01

1.11

0.96

0.94

0.98

0.9

0.98

1.25

0.96

1.10

0.93

1.11

1.00

1.10

0.90

1.12

1.03

1.09

0.97

0.93

0.96

0.88

0.97

1.27

0.94

1.10

0.93

1.02

1.00

1.02

0.91

1.15

1.02

1.11

0.96

0.88

0.96

0.83

0.97

-

-

-

-

1.10

1.00

1.10

0.91

48 hour

1.27

1.00

1.17

0.94

0.94

0.98

0.91

0.98

1.28

0.94

1.04

0.90

1.13

1.00

1.13

0.90

1.21

1.02

1.13

0.95

1.01

0.98

0.98

0.98

1.23

0.94

1.01

0.91

1.09

1.00

1.09

0.91

1.20

1.01

1.13

0.95

0.95

0.98

0.93

0.98

1.27

0.94

1.04

0.91

1.13

1.00

1.13

0.91

Table 32. SBS-rg (B6231) separation ratios on replicates

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

1.00

1.04

1.00

0.86

1.02

0.91

1.04

0.99

1.01

1.00

1.00

6 hour

1.23

1.01

1.11

0.98

1.10

1.00

1.11

1.00

0.92

1.01

0.89

1.00

3.89

1.22

6.41

1.17

0.62

0.98

0.98

0.98

0.90

1.00

0.90

1.01

1.53

1.01

0.94

1.01

0.96

1.00

0.97

1.00

24 hour

1.06

0.99

1.11

0.99

1.03

0.99

1.02

0.99

0.94

0.98

1.02

1.00

0.98

1.00

0.98

1.00

1.03

0.96

0.97

0.99

0.91

1.01

0.93

1.01

0.99

1.00

0.97

1.00

1.14

1.00

1.14

0.99

31 hour

1.05

0.98

0.97

0.99

1.08

1.00

1.08

1.00

0.92

0.98

0.91

1.02

1.10

1.02

1.15

1.03

1.09

0.99

1.05

0.97

1.11

0.99

1.10

1.00

1.10

0.98

1.02

0.98

0.99

1.00

1.00

1.00

48 hour

1.00

0.98

0.98

1.00

0.96

1.00

0.96

1.00

0.97

1.00

0.95

1.02

0.99

1.00

0.98

1.00

1.28

0.99

1.04

0.98

1.15

1.01

1.17

1.00

0.26

0.99

1.02

0.99

0.92

1.00

0.92

1.00

Table 33. SBS-rg (B6231) degradation ratios on replicates

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*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd delta symbol

Rd G*

Rd 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

1.50

0.95

1.1

0.9

0.99

0.96

0.94

0.96

1.05

1.03

1.14

0.99

0.58

0.91

0.54

0.93

2.04

0.94

1.16

0.87

0.9

0.96

0.86

0.97

1.38

1.03

1.15

0.99

1.04

1.01

1.05

1.01

24 hour

1.31

0.94

1.05

0.92

0.79

0.97

0.77

0.98

1.19

1.00

1.10

0.98

1.01

1.01

1.03

1.01

1.31

0.94

1.00

0.91

0.83

0.98

0.82

0.99

1.11

1.00

1.08

0.98

0.92

1.01

0.94

1.01

31 hour

1.31

0.94

0.99

0.91

0.86

0.97

0.84

0.98

1.10

0.99

1.07

0.98

0.79

1.00

0.80

1.00

1.28

0.94

0.96

0.92

0.85

0.97

0.83

0.98

1.14

1.00

1.11

0.98

1.00

1.01

1.02

1.01

48 hour

1.31

0.94

0.97

0.92

0.84

0.98

0.83

0.99

1.17

0.98

1.10

0.97

0.95

1.01

0.97

1.01

1.40

0.94

0.99

0.91

0.85

0.98

0.85

0.99

2.29

0.97

1.10

0.96

0.85

1.01

0.86

1.01

Table 34. SBS-rg (B6231) separation ratios on replicate reruns

Conditioning Step

External Heat without Agitation

External Heat with Mechanical Agitation

Frequency (rads/s)

5.0

5.0
Rerun

50.0 50.0
Rerun

5.0

5.0
Rerun

50.0

50.0
Rerun

Temperature

HT

HT

HT

HT

HT

HT

HT

HT

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

1.19

0.99

0.96

1.03

1.19

0.99

0.86

1.02

1.03

0.99

0.91

1.04

1.02

1.00

6 hour

1.23

1.01

1.12

0.97

1.11

0.98

1.06

0.98

0.92

1.01

1.03

0.99

0.89

1.00

0.99

0.98

0.62

0.98

1.11

0.98

0.98

0.98

1.05

0.97

1.53

1.01

1.12

0.99

0.94

1.01

1.06

0.97

24 hour

1.06

0.99

1.00

0.98

1.11

0.99

0.96

0.99

0.94

0.98

1.01

1.00

1.02

1.00

1.01

1.00

1.03

0.96

1.11

0.97

0.97

0.99

1.07

0.99

0.99

1.00

0.97

1.00

0.97

1.00

0.97

1.00

31 hour

1.05

0.98

-

-

0.97

0.99

-

-

0.92

0.98

-

-

0.91

1.02

-

-

1.09

0.99

-

-

1.05

0.97

-

-

1.10

0.98

-

-

1.02

0.98

-

-

48 hour

1.00

0.98

1.09

0.99

0.98

1.00

1.07

1.00

0.97

1.00

1.03

0.99

0.95

1.02

1.01

1.00

1.28

0.99

0.98

1.00

1.04

0.98

0.97

1.00

0.26

0.99

0.96

1.00

1.02

0.99

0.96

1.00

 

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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).
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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