Laboratory evaluation of aging for asphalt-aggregate mixtures

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List of Figures Figure 2.1. Chemistry - physical property performance relationships 5 Figure 2.2. Relationship between weight percent sec fraction II and trans delta of SHRP asphalts 7 Figure 2.3. Aging incidces at three temperatures of SHRP core asphalts 12 Figure 2.4. Net adsorption of asphalts on various limestones 28 Figure 4.1. Short-term aging: rankings based on diametral modulus 45 Figure 4.2. Long-term aging by low pressure oxidation at 60°C: rankings based on diametral modulus Figure 4.3. Long-term aging by low pressure oxidation at 85°C: rankings based on diametral modulus 47 Figure 4.4. Long-term aging by long-term oven aging at 85°C: based on diametral modulus 48 Figure 4.5. Long-term aging by long-term oven aging at 100°C: based on diametral modulus 49 46
List of Tables Table 2.1. Ranking of high temperature permanent deformation and rutting by SEC-tan delta 6 Table 2.2. Ranking of SHRP asphalts in terms of their resistance to low temperature cracking 9 Table 2.3. Resistance of aged asphalt to fatigue cracking 11 Table 2.4. Ranks of moisture damage resistance by IR of functional group analysis (limited to asphalt; aggregate not considered) . 14 Table 2.5. Ranking of asphalts in load associated fatigue bending beam at 20°C (68°F) 17 Table 2.6 Ranking of asphalts in load associated fatigue bending beam at 0°C (32°F) 17 Table 2.7. Ranking of asphalts in load associated fatigue wheel tracking test at 20°C (68°F) 18 Table 2.8. Ranking of asphalts in load associated fatigue field 18 Table 2.9. Ranking of asphalts in rutting in hot-mix asphalt wheel tracking test at 5°C (41°F) 19 Table 2.10. Ranking of SHRP tank asphalts for resistance to low 20 Table 3.1. Low pressure aging experiment design 30 Table 3.2. Long-term oven aging experiment design 31 Table 3.3. Materials used 32 Table 4.1. Modulus data for aggregate RC 37 Table 4.2. Modulus data for aggregate RD 39 Table 4.3. Modulus data for aggregate RH 41 Table 4.4. Modulus data for aggregate RJ 43 Table 5.1. Short-term rankings by aggregate 54
Page 1 and 2: An Abstract of the Thesis of Daniel
Page 3 and 4: Master of Science thesis of Daniel
Page 5 and 6: Table of Contents 1.0 Introduction
Page 7: Table of Contents (Continued) 6.2 R
Page 11 and 12: Appendix D Appendix F Figure D.1. F
Page 13 and 14: Appendix A Appendix B Appendix C Ap
Page 15 and 16: 1.2 Purpose The purpose of this rep
Page 17 and 18: any given set of physical propertie
Page 19 and 20: hence avoid cracking must be totall
Page 21 and 22: Viscous flow implies that the elast
Page 23 and 24: 2.1.4 Aging Aging of asphalt is a c
Page 25 and 26: x a) -0 c ..... 0) c .ii) .ct 70- 6
Page 27 and 28: Table 2.4. Ranks of moisture damage
Page 29 and 30: 2) Laboratory Flexural Beam Fatigue
Page 31 and 32: Table 2.7. Ranking of asphalts in l
Page 33 and 34: Table 2.10. Ranking of SHRP tank as
Page 35 and 36: 2.3 Auburn University A003B The fol
Page 37 and 38: Aagi . The aging of asphalt in a ro
Page 39 and 40: is termed net adsorption. The net a
Page 41 and 42: 1.8 (mg/g) 1.6 AAD-1 AAK-1 I AAM-1
Page 43 and 44: 3.3 Aging Methods 3.3.1 No Aging Th
Page 45 and 46: Table 3.3. Materials used Aggregate
Page 47 and 48: procedure. A thorough explanation o
Page 49 and 50: 4.1.3 Adjustment of Modulus Data To
Page 51 and 52: Table 4.1 (continued). Modulus data
Page 59 and 60:
AGGREGATE - RC AGGREGATE - RH LOW P
Page 61 and 62:
MODULUS RATIO 5 4 3 2 1 AGGREGATE -
Page 63 and 64:
5.1 Statistical Analysis 5.0 Analys
Page 65 and 66:
5.2.1 Comparison of Mix Aging by Sh
Page 67 and 68:
Table 5.1. Short-term rankings by a
Page 69 and 70:
Table 5.3. Long-term aging by low p
Page 71 and 72:
Table 5.5. Long-term oven aging at
Page 73 and 74:
5.5.1 Short-Term Aging Table 5.8 sh
Page 75 and 76:
Table 5.8. Comparison of rankings f
Page 77 and 78:
5.6 General Discussion The differen
Page 79 and 80:
6.1 Conclusions 6.0 Conclusions and
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References ASTM (1987). Standard Te
Page 83 and 84:
Waller, R. A., and D. B. Duncan (19
Page 85 and 86:
A.1 Scope Appendix A Short-Term Agi
Page 87 and 88:
A.6 Apparatus 6.1 Aging Test System
Page 89 and 90:
11.1.3 Aggregate Type and Gradation
Page 91 and 92:
T 164 Method for Quantitative Extra
Page 93 and 94:
6.1.2 Specimen End Platens as shown
Page 95 and 96:
sufficient bead of silicone around
Page 97 and 98:
12.1.8 Compacted Specimen Density -
Page 99 and 100:
T 201 Method for Kinematic Viscosit
Page 101 and 102:
C.8 Sampling 8.1 Field asphalt conc
Page 103 and 104:
11.1.11 Long-Term Aging Duration in
Page 105 and 106:
AGGREGATE -RC MODUWS (161) 1.600 u1
Page 107 and 108:
AGGREGATE - RC MODUW 8 (kW) 1,600 1
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MODULUS (kb) 1,800 U"TED 81r 1,400
Page 111 and 112:
AGGREGATE - RC MODULUS (ks 1.600 1.
Page 113 and 114:
Appendix E Tensile Strength Test Re
Page 115 and 116:
Table E.1. Tensile strength test re
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STRESS STRAIN TIME ..011- PHASE SHI
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Lead to Signal Conditioner Yoke Lea
Page 121 and 122:
F.4. Phase shift curves are unique
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1E Co a) Co al 0) 0 (1) (2) (3) (4)
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B > g k 70,::r2.1:!:.1 ::,1.11::ir
Page 127 and 128:
Table F.3. Complex modulus (ksi) da
Page 129 and 130:
N V 0 2 5,000 2,000 Asphalt MD-1 ig
Page 131 and 132:
5,000 MASTER STIFFNESS CURVE 2,000
Page 133 and 134:
-cr) O 'II O a) 0. 0) 5,000 MASTER
Page 135 and 136:
1e15 1e4 COMPLEX MODULUS LOSS TANGE
Page 137:
The mixes become stiffer in the low
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Laboratory evaluation of aging for asphalt-aggregate mixtures

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