SUPERPAVE BINDER SPECIFICATIONS & SELECTIONS - Rowan

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Permanent Deformation • Addressed by high temp stiffness – G*/sin δ on unaged binder > 1.00 kPa – G*/sin δ on RTFO aged binder > 2.20 kPa Heavy Trucks > Early part of pavement service life Superpave Binder Specs & Selections 8
CEC Avg 7-day Max, o C 1-day Min, o C > 230 o C < 3Pa . s @ 135 o C > 1.00 kPa > 2.20 kPa 20 Hours, 2.07 MPa < 5000 kPa PAV Aged S < 300 MPa m > 0.300 Report Value > 1.00 % Fatigue Cracking PG 46 PG 52 PG 58 PG 64 PG 70 PG 76 PG 82 -34 -40 -46 -10 -16 -22 -28 -34 -40 -46 -16 -22 -28 -34 -40 -10 -16 -22 -28 -34 -40 -10 -16 -22 -28 -34 -40 -10 -16 -22 -28 -34 -10 -16 -22 -28 -34 ORIGINAL (Flash Point) FP (Rotational Viscosity) RV (Dynamic Shear Rheometer) DSR G*/sin δ 46 52 58 64 70 76 82 (ROLLING THIN FILM OVEN) RTFO Mass Loss Loss < 1.00 % (Dynamic Shear Rheometer) DSR G*/sin δ 46 52 58 64 70 76 82 (PRESSURE AGING VESSEL) PAV 90 90 100 100 100 (110) 100 (110) 110 (110) (Dynamic Shear Rheometer) DSR G* sin δ 10 7 4 25 22 19 16 13 10 7 25 22 19 16 13 31 28 25 22 19 16 34 31 28 25 22 19 37 34 31 28 25 40 37 34 28 31 ( Bending Beam Rheometer) BBR “S” Stiffness & “m”- value -24 -30 -36 0 -6 -12 -18 -24 -30 -36 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 0 -6 -12 - 18 -24 (Bending Beam Rheometer) BBR Physical Hardening (Direct Tension) DT -24 -30 -36 0 -6 -12 -18 -24 -30 -36 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 -30 0 -6 -12 -18 -24 0 -6 -12 Superpave Binder Specs -18 -24 & Selections 9
Page 1 and 2: SUPERPAVE BINDER SPECIFICATIONS & S
Page 3 and 4: -20 20 60 135 Pavement Temperature,
Page 5 and 6: CEC Performance erformance Grades r
Page 7: Permanent Deformation CEC Avg 7-day
Page 11 and 12: Low Temperature Cracking CEC Avg 7-
Page 13 and 14: Miscellaneous Spec Requirements CEC
Page 15 and 16: Developed from Air Temperatures •
Page 17 and 18: Observed Air Temperatures 50 % reli
Page 19 and 20: Convert to Pavement Calculated by
Page 21 and 22: PG Binder Grades Topeka, KS PG 64-3
Page 23 and 24: Effect of Rounding to Standard Grad
Page 25 and 26: Effect of Loading Rate on Binder Se
Page 27 and 28: ESAL Comparison 80 kN 18,000 lb. 10
Page 29 and 30: 3,500- 5,000 ESAL Comparison Acme V
Page 31 and 32: How the PG Spec Works CEC Spec Requ
Page 33 and 34: PG Grade Increments Average 7-day M
Page 35 and 36: Is a PG a Modified Binder? Effect E

SUPERPAVE BINDER SPECIFICATIONS & SELECTIONS - Rowan

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