Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320 (2005)

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C-1 APPENDIX C: Summary Table for DSR Phase Angle Testing on Original Binder Sample Sample No. of PG AC odd even odd even Type Numbers Labs Grade Grade samples samples samples samples 1s CV% CV% 1s CV% 1s CV% PGB 181 & 182 170 PG 64-16 AC 10 89.0 89.1 0.150 0.17 0.17 0.295 0.33 0.339 0.38 PGB 183 & 184 173 PG 70-22 -- 83.9 83.9 0.141 0.17 0.17 0.299 0.36 0.283 0.34 PGB 185 & 186 171 PG 64-22 AC 20 87.7 87.7 0.142 0.16 0.16 0.279 0.32 0.284 0.32 PGB 187 & 188 184 PG 76-22 -- 69.8 69.7 0.218 0.31 0.31 0.452 0.65 0.440 0.63 PGB 189 & 190 186 PG 64-22 AC 30 87.2 87.2 0.114 0.13 0.13 0.248 0.28 0.235 0.27 PGB 191 & 192 190 PG 52-34 AC 10 82.1 82.2 0.137 0.17 0.17 0.282 0.34 0.308 0.37 PGB 193 & 194 194 PG 64-22 AC 20 86.3 86.3 0.115 0.13 0.13 0.247 0.29 0.244 0.28 PGB 195 & 196 189 PG 70-22 -- 85.7 85.7 0.120 0.14 0.14 0.240 0.28 0.235 0.27 Average Results Repeatability Reproducibility Reproducibility odd even samples samples Table 20 – Summary Table for T315, Phase Angle for Original Binder Chapter 3 Sample 187 and sample 188 listed in the above table contains a modified binder.