Troxler NTO 4730 - Sample Aggregate Correction Factor Form

6–4
4. Prepare a correction sample that closely represents the
production mixture per ASTM D 6307, or local and state
requirements.
5. Divide the HMA sample into a minimum of three correction
samples.
6. Preheat the sample to 105 ± 5 °C (221 ± 9 °F).
Figure 6–1. Sample Aggregate Correction Factor Form
Date ___________ Project ________________ %AC
T
________
Sample Number
1 2 3 4
Sample Basket, Catch
Pan, and Basket Cover
Mass (W
P
)
Sample, Sample Basket,
Catch Pan, and Basket
Cover Mass (W
T
)
Sample Weight
(W
S
=W
T
–W
P
)
True Asphalt Content
(%AC
T
)
Asphalt Content of
Sample Measured by
Oven (%AC
0
)
Correction Factor
(ACF = %AC
0
– %AC
T
)
Average Aggregate
Correction Factor
(ACF
AVG
)