Spray Applied Polymer Surface Seals - TSP2

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Asphalt Oxidation Chemistry The Kinetics Petersen, Van Gooswilligen, Mill, Glover Oxidation Kinetics • Temperature dependence G* & Carbonyl follow Arrhenius (exp (1/T) m-value – ??? (falls off a cliff) • Pressure dependence - exponential • Defined rate determining step Bitumen, O 2 , catalyst • Classic phenols inhibitors don’t work • Identified reaction inhibitors (CN - ) Auto-oxidation doesn’t fit kinetics! 36
Asphalt Oxidation Chemistry The Mechanisms Petersen/Branthaver/Harnsberger, Beaver/King Carbonyl Oxidation Mechanisms • Dual Mechanisms – 2 reaction rates one fast, but slows or stops with time one slow, but continues indefinitely • N-ETIO – Electron Transfer Mechanism Oxycyclics explain rate determining step, unusual carbonyl products (anhydrides), influence of catalysts Initiated by triplet-to-singlet electron spin flip 37
Page 1 and 2: Foundation for Pavement Preservatio
Page 3 and 4: Research Participants Acknowledgeme
Page 5 and 6: An Effective Preservation Program
Page 7 and 8: Fog Seal AEMA Definition: a light
Page 9 and 10: CALTRANS MTAG: Rejuvenating Fog Sea
Page 11 and 12: What do we know about Fog Seals? L
Page 13 and 14: Spray Applied Surface Seal : The Pr
Page 15 and 16: DOT Survey Why Fog Seal? Constructi
Page 17 and 18: DOT Survey Pavement Age When Fog Se
Page 19 and 20: Upper Midwest Experiences Nebraska
Page 21 and 22: Unsealed Shoulders 21
Page 23 and 24: MN shoulders: Shedding Light Rain 2
Page 25 and 26: MNDOT - Fog Sealing Chip Seals Ligh
Page 27 and 28: Fog Seals Reduce Snowplow Damage
Page 29 and 30: Fog Seals can reduce: •Moisture I
Page 31 and 32: Lessons Learned Why Fog? Improve Ag
Page 33 and 34: Lessons Learned Why Fog? Prevent Da
Page 35: Asphalt Oxidation Chemistry The Pro
Page 39 and 40: Asphalt Durability Predicting Block
Page 41 and 42: ARIZONA VALIDATION SITE Constructed
Page 43 and 44: EFFECT OF PAVEMENT DEPTH ON AGED AS
Page 45 and 46: Increasing m-control with aging for
Page 47 and 48: Lessons Learned Fog Seal Product Se
Page 49 and 50: Test Section Locations AZ - US 87,
Page 51 and 52: Lessons Learned Fog Seal Where to U
Page 53 and 54: Lessons Learned Fog Seal Where NOT
Page 55 and 56: Lessons Learned Fog Seal How to Use
Page 57 and 58: Lessons Learned Fog Seal Emulsion P
Page 59 and 60: Lessons Learned Fog Seal over Chip
Page 61: Lessons Learned How to Apply Seals
Page 64 and 65: Lessons Learned How to Apply Seals
Page 66 and 67: Lessons Learned Controlling Frictio
Page 68 and 69: Lessons Learned IFI (International
Page 70 and 71: Lessons Learned Pavement Permeabili
Page 72 and 73: Lessons Learned Fog Seal Emulsion I
Page 74 and 75: Lessons Learned Fog Seal Pavement F
Page 76 and 77: Lessons Learned Comparison of Frict
Page 78 and 79: Lessons Learned Fog Seal Binder Pro
Page 80 and 81: Rheology Testing of Field Samples G
Page 82 and 83: Permeabilities - MN 251 & OCR 112 1
Page 84 and 85: Permeabilities for AZ & CA 1 All da
Page 86 and 87:
G*, Pa, 10 radians/sec, 64C Core Sl
Page 88 and 89:
Fog Seal Low Temperature Mix Stiffn
Page 90 and 91:
Lessons Learned Static Bending Test
Page 92 and 93:
Asphalt Emulsion • Emulsion = A n
Page 94 and 95:
Lessons Learned Fog Seal Emulsion P
Page 96 and 97:
Field Observations Notes & photos
Page 98 and 99:
Summary Findings Seals are particu
Page 100 and 101:
Need for Improved Specifications fo
Page 102 and 103:
Recommendations for Future Study N
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