Validation of the Louisiana Interlayer Shear Strength Test for Tack Coat (2018)

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59 A P P E N D I X C Test Property AASHTO Method Specification NTSS-1HM SS-1H Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.75 (94°C) 1.44 (64°C) 0.92 (100°C) 0.68 (70°C) RV, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 2.36 (135°C) 0.24 (135°C) Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.52 0.24 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.84 (94°C) 3.73 (64°C) 1.47 (100°C) 1.70 (70°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 5217 (37°C) 6065 (19°C) 3870 (40°C) 4225 (22°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 174 (0°C) 120 (-12°C) 329 (-6°C) - Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.318 (0°C) 0.337 (-12°C) 0.263 (-6°C) - PG grading PG 94-10 PG 64-22 Table C-1. Rheological test results of emulsified tack coat residues: Missouri project.

60 Test Property AASHTO Method Specification CBC-1H SS-1H Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.07 (64°C) 2.06 (64°C) 0.56 (70°C) 0.95 (70°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 0.20 (135°C) 0.32 (135°C) Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.51 0.24 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.35 (70°C) 3.35 (64°C) 1.16 (76°C) 1.51 (70°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 6300 (19°C) 7060 (19°C) 4723 (22°C) 4827 (22°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 259 (-18°C) 380 (-18°C) 123 (-12°C) 167 (-12°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.266 (-18°C) 0.273 (-18°C) 0.301 (-12°C) 0.340 (-12°C) PG grading PG 94-10 PG 64-22 Table C-2. Rheological test results of emulsified tack coat residues: Florida project. Test Property AASHTO Method Specification NTSS-1HM SS-1 Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.59 (82°C) 2.04 (46°C) 0.77 (88°C) 0.90 (52°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 1.46 (135°C) 0.67 (135°C) Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.26 0.37 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 4.16 (82°C) 4.12 (46°C) 1.99 (88°C) 1.73 (52°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 6549 (34°C) 6620 (13°C) 4628 (37°C) 3833 (16°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 320 (-6°C) 344 (-24°C) 173 (0°C) 159 (-18°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.256 (-6°C) 0.280 (-24°C) 0.313 (0°C) 0.340 (-18°C) PG grading PG 82-10 PG 46-28 Table C-3. Rheological test results of tack coat residues: Louisiana project (LA 30).

61 Test Property AASHTO Method Specification NTSS-1HM1 CBC-1H Original Binder / Emulsion Residual Dynamic shear 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.83 (94°C) 1.95 (70°C) 0.94 (100°C) 0.97 (76°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 4.63 (135°C) 0.55 (135°C) Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.32 0.18 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.91 (94°C) 4.40 (70°C) 1.45 (100°C) 2.08 (76°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 5970 (37°C) 5360 (22°C) 4555 (40°C) 4113 (25°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 154.0 (0°C) 130.6 (-12°C) 80.6 (6°C) 75.2 (-6°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.290 (0°C) 0.274 (-12°C) 0.341 (6°C) 0.326 (-6°C) PG grading PG 94-4 PG 70-16 1Blacklidge product. Table C-4. Rheological test results of tack coat residues: Louisiana project (LA 1053). Test Property AASHTO Method Specification NTSS-1HM1 SS-1H Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.69 (88°C) 1.22 (70°C) 0.85 (94°C) 0.60 (76°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 2.69 (135°C) 0.55 (135°C) Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.16 0.38 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.77 (88°C) 2.07 (70°C) 1.36 (94°C) 4.55 (76°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 3820 (43°C) 3665 (25°C) 5185 (40°C) 5125 (22°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 377.7 (-6°C) 355.5 (-18°C) 210.7 (0°C) 171.0 (-12°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.251 (-6°C) 0.285 (-18°C) 0.304 (0°C) 0.320 (-12°C) PG grading PG 88-10 PG 70-22 1Asphalt Products Unlimited product. Table C-5. Rheological test results of tack coat residues: Louisiana project (LA 1053).

62 Test Property AASHTO Method Specification CBC-1H NTSS-1HM CSS-1H Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.34 (70°C) 1.34 (100°C) 1.87 (64°C) 0.66 (76°C) 0.73 (106°C) 0.88 (70°C) Rotational Viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 0.25 7.28 0.26 Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.28 0.80 0.27 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 3.90 (70°C) 3.09 (100°C) 4.22 (64°C) 1.89 (76°C) 1.67 (106°C) 1.95 (70°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 3940 (25°C) 4320 (40°C) 4210 (22°C) 5170 (22°C) 5465 (37°C) 5500 (19°C) Bending beam creep stiffness, S, MPa, 60s T 313 300- 156.0 (-12°C) 254.3 (-6°C) 240.0 (-18°C) 50.6 (-6°C) 137.0 (0°C) 130.3 (-12°C) Bending beam creep stiffness, m-value, 60s T 313 0.300+ 0.302 (-12°C) 0.255 (-6°C) 0.283 (-18°C) 0.356 (-6°C) 0.305 (0°C) 0.315 (-12°C) PG grading PG 70-22 PG 100-10 PG 64-22 Table C-6. Rheological test results of emulsified tack coat residues: Tennessee project. Test Property AASHTO Method Specification CSS-1H CBC-1H Original Binder / Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 1.11 (70°C) 1.44 (70°C) 0.55 (76°C) 0.74 (76°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 0.56 0.54 Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.18 0.26 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.36 (70°C) 2.24 (70°C) 1.13 (76°C) 1.17 (76°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 3870 (25°C) 4735 (22°C) 5315 (22°C) 6240 (19°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 155.0 (-12°C) 130.0 (-12°C) 316.7 (-18°C) 261.7 (-18°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.318 (-12°C) 0.330 (-12°C) 0.278 (-18°C) 0.297 (-18°C) PG grading PG 70-22 PG 70-22 Table C-7. Rheological test results of emulsified tack coat residues: Nevada project.

63 Test Property AASHTO Method Specification CBC-1H CSS-1H Original Binder/ Emulsion Residual Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 1.0+ 2.03 (64°C) 1.94 (64°C) 0.98 (70°C) 0.97 (70°C) Rotational viscometer, 135°C, 20 rpm, Pa.S T 316 ≤ 3.0 0.91 0.94 Rolling Thin-Film Oven Residue Mass change, % T 240 1.0- 0.84 0.44 Dynamic shear, 10 rad/s, G*/sin δ, kPa T 315 2.20+ 2.24 (64°C) 2.44 (64°C) 1.40 (70°C) 2.08 (70°C) Pressure Aging Vessel Residue Dynamic shear, 10 rad/s, G*sin δ, kPa T 315 5000- 3985 (25°C) 3910 (25°C) 5130 (22°C) 5510 (22°C) Bending beam creep stiffness, S, MPa 60s T 313 300- 140.7 (-12°C) 130.6 (-12°C) 245.0 (-18°C) 338.7 (-18°C) Bending beam creep stiffness, m-value 60s T 313 0.300+ 0.304 (-12°C) 0.346 (-12°C) 0.271 (-18°C) 0.267 (-18°C) PG grading PG 64-22 PG 64-22 Table C-8. Rheological test results of emulsified tack coat residues: Oklahoma project. Section Number Surface Type Tack Coat Type Residual Application Rate Mean Texture Depth Tack Coat Rheological Properties Penetration Softening Point Rotational Viscosity High PG Useful Temperature Interval Model 1 Existing HMA NTSS-1HM 0.025 0.98 9.0 82.0 2.36 96.3 104 2 Existing HMA SS-1H 0.028 0.99 71.0 51.0 0.24 66.9 86 3 Existing HMA CRS-1 0.022 0.92 101.0 52.5 0.20 64.4 86 4 Existing HMA SS-1H 0.045 0.96 50.3 46.2 0.32 67.2 86 5 Existing HMA NTSS-1HM 0.031 1.09 8.0 76.0 2.50 84.5 92 6 Existing HMA SS-1H 0.031 0.91 37.7 53.0 0.60 70.6 92 7 Existing HMA SS-1H 0.062 0.91 37.7 53.0 0.60 70.6 92 8 Existing HMA NTSS-1HM 0.062 0.98 8.0 76.0 2.50 84.5 92 9 Existing HMA CRS-1 0.031 0.98 110.5 42.5 0.25 59.4 86 10 Milled HMA CBC-1H 0.056 2.14 48.3 55.1 0.25 72.5 92 11 Milled HMA NTSS-1HM 0.051 1.98 8.0 79.2 2.98 102.9 110 12 Milled HMA CSS-1H 0.055 2.14 53.0 52.2 0.56 70.6 92 13 Milled HMA CBC-1H 0.044 1.94 58.3 52.0 0.54 70.8 92 14 Milled HMA CSS-1H 0.052 1.64 66.3 52.6 0.26 68.9 86 15 Milled HMA SS-1H 0.045 1.81 71.0 51.0 0.24 66.9 86 16 Milled HMA NTSS-1HM 0.048 1.73 9.0 78.1 1.46 85.8 92 17 Milled HMA SS-1H 0.051 1.62 53.0 52.2 0.56 70.6 92 18 Milled HMA SS-1H 0.031 1.27 37.7 53.0 0.60 70.6 92 19 Milled HMA SS-1 0.041 1.38 99.0 43.5 0.67 50.2 74 20 New HMA NTSS-1HM 0.014 0.98 9.0 82.0 2.36 96.3 104 Table C-9. Summary of test data for the ISS predictive model development and validation. (continued on next page)

64 Table C-9. (Continued). 21 New HMA SS-1H 0.038 0.84 71.0 51.0 0.24 66.9 86 22 New HMA NTSS-1HM 0.034 0.96 8.0 78.3 2.84 96.4 98 23 New HMA NTSS-1HM 0.048 0.95 8.0 78.3 2.84 96.4 98 24 New HMA NTSS-1HM 0.055 0.98 8.7 72.5 2.68 89.9 98 25 New HMA CBC-1H 0.052 0.97 40.3 56.4 0.54 75.7 86 26 New HMA SS-1H 0.042 0.96 45.3 55.8 0.55 69.5 92 27 New HMA SS-1H 0.033 0.95 45.3 55.8 0.55 69.5 92 28 New HMA SS-1H 0.031 0.63 37.7 53.0 0.60 70.6 92 29 PCC NTSS-1HM 0.031 1.25 9.0 82.0 2.36 96.3 104 30 PCC SS-1H 0.021 1.27 71.0 51.0 0.24 66.9 86 31 PCC CSS-1H 0.076 1.84 53.0 51.0 0.94 69.5 92 32 PCC CBC-1H 0.036 1.68 52.7 55.0 0.91 69.8 92 33 PCC CSS-1H 0.047 1.92 53.0 51.0 0.94 69.5 92 34 PCC NTSS-1HM 0.062 1.23 8.0 76.0 2.50 84.5 92 35 PCC SS-1H 0.062 1.23 37.7 53.0 0.60 70.6 92 Validation 1 Existing HMA CRS-1 0.042 0.81 101.0 52.5 0.20 64.4 86 2 Existing HMA SS-1H 0.041 0.83 50.3 46.2 0.32 67.2 86 3 Existing HMA NTSS-1HM 0.031 1.09 8.0 76.0 2.50 84.5 92 5 Milled HMA NTSS-1HM 0.045 1.42 9.0 82.0 2.36 96.3 104 6 Milled HMA CBC-1H 0.038 1.63 58.3 52.0 0.54 70.8 92 7 Milled HMA SS-1H 0.031 1.23 37.7 53.0 0.60 70.6 92 8 Milled HMA SS-1 0.031 1.17 100.0 42.0 0.30 50.2 86 9 New HMA NTSS-1HM 0.042 1.21 8.7 72.5 2.68 89.9 98 10 New HMA SS-1H 0.031 0.63 37.7 53.0 0.60 70.6 92 11 New HMA CBC-1H 0.025 0.94 40.3 56.4 0.54 75.7 86 12 PCC CSS-1H 0.066 1.92 53.0 51.0 0.94 69.5 92 13 PCC CBC-1H 0.029 1.63 52.7 55.0 0.91 69.8 92 14 PCC NTSS-1HM 0.062 1.23 8.0 76.0 2.50 84.5 92 15 PCC SS-1H 0.031 1.23 37.7 53.0 0.60 70.6 92 Section Number Surface Type Tack Coat Type Residual Application Rate Mean Texture Depth Tack Coat Rheological Properties Penetration Softening Point Rotational Viscosity High PG Useful Temperature Interval