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Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
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Page 52
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
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Page 52
Page 53
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 53
Page 54
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 54
Page 55
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 55
Page 56
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 56
Page 57
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 57
Page 58
Suggested Citation:"Appendix F: Graph and Analysis Results for AASHTO T48." National Academies of Sciences, Engineering, and Medicine. 2005. Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320. Washington, DC: The National Academies Press. doi: 10.17226/21969.
×
Page 58

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F-1 APPENDIX F Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued January 2001 Participation: 128 Total Laboratories 5 Laboratories Determined to be Invalid 16 Laboratories Determined to be Outliers 107 Total Laboratories Included in Analysis Sample 181 Sample 182 CV% CV% Average Average (181) (182) Asphalt Grade: PG 64-16 / AC 10 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 181 1s d2s Sa m pl e 18 2 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 181 and 182 AMRL Viscosity Graded Asphalt Cement Samples 181 and 182 Reproducibility (Sample 182)Reproducibility (Sample 181) d2s CV% 0.9 0.9 1s d2s 272 272 2.4 6.9 CV% 1s 27.1 3.59.1 25.7 3.3 9.6 195 225 255 285 315 345 196 226 256 286 316 346

F-2 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued June 2001 Participation: 118 Total Laboratories 6 Laboratories Determined to be Invalid 14 Laboratories Determined to be Outliers 98 Total Laboratories Included in Analysis Sample 183 Sample 184 CV% CV% Average Average (183) (184) Asphalt Grade: PG 70-22 / -- Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 183 1s d2s Sa m pl e 18 4 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 183 and 184 AMRL Viscosity Graded Asphalt Cement Samples 183 and 184 Reproducibility (Sample 184)Reproducibility (Sample 183) d2s CV% 0.7 0.7 1s d2s 353 354 2.5 7.0 CV% 1s 24.0 2.49.2 25.9 2.6 8.5 286 312 338 364 390 272 303 334 365 396 427

F-3 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued January 2002 Participation: 125 Total Laboratories 1 Laboratories Determined to be Invalid 11 Laboratories Determined to be Outliers 113 Total Laboratories Included in Analysis Sample 185 Sample 186 CV% CV% Average Average (185) (186) Asphalt Grade: PG 64-22 / AC 20 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 185 1s d2s Sa m pl e 18 6 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 185 and 186 AMRL Viscosity Graded Asphalt Cement Samples 185 and 186 Reproducibility (Sample 186)Reproducibility (Sample 185) d2s CV% 1.1 1.1 1s d2s 323 324 3.5 9.8 CV% 1s 35.9 3.912.3 34.7 3.8 12.7 230 267 304 341 378 219 259 299 339 379

F-4 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued May 2002 Participation: 130 Total Laboratories 3 Laboratories Determined to be Invalid 11 Laboratories Determined to be Outliers 116 Total Laboratories Included in Analysis Sample 187 Sample 188 CV% CV% Average Average (187) (188) 33.7 4.312.2 34.5 4.5 11.9 0.9 0.9 1s d2s 274 274 2.5 7.0 CV% 1s Reproducibility (Sample 188)Reproducibility (Sample 187) d2s CV% 1s d2s Sa m pl e 18 8 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 187 and 188 AMRL Viscosity Graded Asphalt Cement Samples 187 and 188 Sample 187 Asphalt Grade: PG 64-22 / AC 30 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend 195 225 255 285 315 345 196 226 256 286 316 346

F-5 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued December 2002 Participation: 143 Total Laboratories 2 Laboratories Determined to be Invalid 7 Laboratories Determined to be Outliers 134 Total Laboratories Included in Analysis Sample 189 Sample 190 CV% CV% Average Average (189) (190) Asphalt Grade: PG 64-22 / AC 30 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 189 1s d2s Sa m pl e 19 0 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 189 and 190 AMRL Viscosity Graded Asphalt Cement Samples 189 and 190 Reproducibility (Sample 190)Reproducibility (Sample 189) d2s CV% 0.9 0.9 1s d2s 318 318 2.8 7.9 CV% 1s 25.2 2.89.0 25.5 2.8 8.9 255 280 305 330 355 380 250 275 300 325 350 375

F-6 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued May 2003 Participation: 138 Total Laboratories 7 Laboratories Determined to be Invalid 10 Laboratories Determined to be Outliers 121 Total Laboratories Included in Analysis Sample 191 Sample 192 CV% CV% Average Average (191) (192) Asphalt Grade: PG 52-34 / AC 10 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 191 1s d2s Sa m pl e 19 2 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 191 and 192 AMRL Viscosity Graded Asphalt Cement Samples 191 and 192 Reproducibility (Sample 192)Reproducibility (Sample 191) d2s CV% 1.6 1.6 1s d2s 272 269 4.4 12.5 CV% 1s 34.3 4.512.3 34.9 4.5 12.1 180 220 260 300 340 180 220 260 300 340

F-7 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued December 2003 Participation: 134 Total Laboratories 6 Laboratories Determined to be Invalid 10 Laboratories Determined to be Outliers 118 Total Laboratories Included in Analysis Sample 193 Sample 194 CV% CV% Average Average (193) (194) Asphalt Grade: PG 64-22 / AC 20 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 193 1s d2s Sa m pl e 19 4 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Viscosity Graded Asphalt Cement Samples 193 and 194 AMRL Viscosity Graded Asphalt Cement Samples 193 and 194 Reproducibility (Sample 194)Reproducibility (Sample 193) d2s CV% 0.7 0.7 1s d2s 331 331 2.4 6.7 CV% 1s 20.8 2.27.1 20.2 2.2 7.3 272 295 318 341 364 387 279 299 319 339 359 379

F-8 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued May 2004 Participation: 177 Total Laboratories 6 Laboratories Determined to be Invalid 23 Laboratories Determined to be Outliers 148 Total Laboratories Included in Analysis Sample 195 Sample 196 CV% CV% Average Average (195) (196) Asphalt Grade: PG 70-22 / -- Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend Sample 195 1s d2s Sa m pl e 19 6 Average Results Graph and Analysis Results for AASHTO T48 Flash and Fire Points by Cleveland Open Cup AMRL Performance Graded Binder Samples 195 and 196 AMRL Performance Graded Binder Samples 195 and 196 Reproducibility (Sample 196)Reproducibility (Sample 195) d2s CV% 0.5 0.5 1s d2s 351 351 1.7 4.9 CV% 1s 21.0 2.17.7 21.8 2.2 7.4 294 316 338 360 382 404 290 314 338 362 386 410

Next: Appendix G: Graph and Analysis Results for AASHTO T228 »
Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320 Get This Book
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 Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320
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TRB’s National Cooperative Highway Research Program (NCHRP) Web Document 71: Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320 includes the results of Phase 3 of NCHRP 9-26, in which data from the AMRL Proficiency Sample Program (PSP) are used to create or update precision estimates for a variety of test methods. These include those methods specified in AASHTO Standard Specification M320, “Performance-Graded Asphalt Binder,” and AASHTO Standard Test Method T308, “Determining the Asphalt Binder Content of Hot-Mix Asphalt (HMA) by the Ignition Method.” The report from Phase 1 of Project 9-26, which was published as NCHRP Web Document 54, includes precision estimates of selected volumetric properties of HMA using non-absorptive aggregates. The report from Phase 2, which was published as NCHRP Web Document 66, discusses the results of an investigation into the cause of variations in HMA bulk specific gravity test results using non-absorptive aggregates.

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