Using Polymer Modified Asphalt Emulsions in Surface Treatments A ...

Table 22: Strawman “Report Only” Draft Specification - PME Residue .................................................. 111
Table 23: Strawman Emulsion Residue Performance-Related Specification .......................................... 115
Table 24: Testing Plan Protocols for 2008 Evaluations ........................................................................... 117
LIST OF FIGURES
Figure 1: Examples of Copolymers .............................................................................................................. 5
Figure 2: Typical Emulsion Modification Processes (9) ............................................................................. 12
Figure 3: Surfactant Action in NRL Modified Asphalt Emulsion ................................................................. 13
Figure 4: Polymer Modified Chip Seal ....................................................................................................... 13
Figure 5: Curing of a CRS-2P Emulsion (14) ............................................................................................. 15
Figure 6: Stone Retention over Curing Time (14) ...................................................................................... 16
Figure 7: Wet Track Abrasion and Loaded Wheel Test by Polymer Type (14) .......................................... 16
Figure 8: Fracture Toughness at -20º C. (33) ............................................................................................ 25
Figure 9: Bi-Phase Modified Emulsion (47) ............................................................................................... 30
Figure 10: Polymer Network in Cured, Co-Milled Emulsion (47) ............................................................... 30
Figure 11: Pre-Blended Asphalt-Polymer Monophase (54) ....................................................................... 31
Figure 12: (L to R) Unmodified, Co-Milled, and Pre-Blended Emulsion Test Results (4) .......................... 33
Figure 13: Advantages of SBR Network (12) ............................................................................................. 33
Figure 14: Complex Modulus over Mixing Time (35) ................................................................................. 36
Figure 15: Effect of SBS Concentration on PMA (16) ................................................................................ 37
Figure 16: Effect of SBS Concentration on Complex Modulus at 60º C. (16) ........................................... 38
Figure 17: Viscosity as a Function of SBS Concentration (12) .................................................................. 39
Figure 18: Influence of Radial Tire on Surface Treatment (54) .................................................................. 44
Figure 19: Microsurfacing Emulsion Residue Curing Time (54) ................................................................ 55
Figure 20: Chip Seal Aggregate Retention with Polymers (66) ................................................................. 58
Figure 21: Vialit Chip Retention at low Temperatures Chip Seals (4) ....................................................... 59
Figure 22 Microsurfacing Curing Time and Rut-Resistance (54) ................................................................ 61
Figure 23: Wet Track Abrasion Losses (70) .............................................................................................. 62
Figure 24: Loaded Wheel Test Results (70) .............................................................................................. 63
Figure 25: Loaded Wheel Test Results (40) .............................................................................................. 64
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