Superpave : mix design /
Superpave : mix design /
Asphalt Institute.
- 3rd.
- Lexington, KY : Asphalt Institute, 2001
- 102 p.
- Superpave Series ; 2 (SP-2) .
Ver: www.asphaltinstitute.org
CONTENIDO
Chapter 1: Background 1
Introduction 1
Asphalt Mixtures 2
Asphalt Binder Behavior 2
Mineral Aggregate Behavior 3
Asphalt Mixture Behavior 5
Chapter 2: Mix Design Practices 11
Asphalt Specifications 11
Penetration and Viscosity Graded Specifications 11
Superpave Performance Graded Asphalt Binder Specification 12
Asphalt Mixture Design Procedures 14
Marshall and Hveem Methods 14
Superpave Asphalt Mixture Design Procedures 15
Chapter 3: Materials selection 19
Asphalt Binder 19
Air Temperarure Selection 21
Pavement Temperature Selection 22
Binder Grade Selection Based on Pavement Temperatures 23
Adjusting Binder Grade Selection for Traffic Speed and Loading 24
Mineral Aggregate 25
Consensus Aggregate Properties 26
Source Aggregate Properties 29
Gradation 30
Chapter 4: Asphalt Mixture Volumetrics 35
Introduction 35
Definitions 35
Analyzing a Compacted Paving Mixture 38
Chapter 5: Superpave Mix Design 45
Introduction 45
Superpave Gyratory Compactor 45
Test Equipment 46
Additional Test Equipment 49
Design Aggregate Structure 49
Specimen Preparation and Compaction 50
Data Analysis and Presentation 55
Design Asphalt Binder Content 60
Moisture Sensitivity 61
Chapter 6: Superpave Mix Design Example 63
Introduction 63
Material Selection 64
Binder Selection 64
Aggregate Selection 66
Select Design Aggregate Structure 69
Select Trial Asphalt Binder Cantent 71
Evaluate Trial Blends 78
Select Design Asphalt Content 82
N-max Verification 88
Evaluate Moisture Sensitivity 89
Appendix A: Superpave Aggregate Gradation Control Points 91
Appendix B: Boundaries of Aggregate Restricted Zone 93
Appendix C: Superpave Mix Design - Procedural Outline 95
Member Companies of the Asphalt Institute 97
List of Figures
Figure 1.1 Shear Loading Behavior of Agregate 4
Figure 1.2 Aggregate Stone Skeleton 5
Figure 1.3 Rutting from Weak Subgrade 6
Figure 1.4 Rutting from Weak Mixture 7
Figure 1.5 Fatigue Cracking 8
Figure 1.6 Low Temperarure Cracking 9
Figure 2.1 Variations of Three Viscosity-Graded Asphalts 12
Figure 3.1 Design Temperature Reliability 21
Figure 3.2 Example Air Temperarure Variations 22
Figure 3.3 Example Pavement Temperature Variations 22
Figure 3.4 Superpave Binder Grade Selections for Cleveland 24
Figure 3.5 Fine Aggregate Angularity Apparatus 27
Figure 3.6 Measuring Flat and Elongated Particles 28
Figure 3.7 Sand Equivalent Test 29
Figure 3.8 Basis for 0.45 Power Chart 31
Figure 3.9 Maximum Density Gradation for 19 mm Maximum Size 31
Figure 3.10 Superpave Gradation Limits 33
Figure 4.2 Component Diagram of Compacted Sample of HMA 37
Figure 5.1 Superpave Gyratory Compactor 46
Figure 5.2 SCG Mold Configuration 47
Figure 5.3 Mixture Compaction Characteristics from the SGC 47
Figure 5.4 Temperature-Viscosity Relationship 51
Figure 5.5 Specimen Preparation and Compaction 53
Figure 6.1 Temperature-Viscosity Relationship for PG 58-34 Binder 65
Figure 6.2 Interstate 43 Trial Blends 70
Figure 6.3 Densification Curves for Trial Blend 1 75
Figure 6.4 Densification Curves for Trial Blend 2 76
Figure 6.5 Densification Curves for Trial Blend 3 77
Figure 6.6 Average Densification Curves for Blend 3 85
List of Tables
Table 2.1 Superpave Binder Test Equipment 14
Table 3.1 Binder Selection on the Basis of Traffic Speed and Traffic Level 25
Table 3.2 Superpave Aggregate Consensus Property Requirements 26
Table 3.3 Superpave Mixture Gradation Designations 33
Table 4.1 Basic Data for Sample of Paving Mixture 39
Table 5.1 Superpave Design Gyratory Compactive Effort 48
Table 5.2 Superpave Volumetric Mixture Design Requirement 59
Table 6.1 Project Environmental Conditions and Binder Grades 64
Table 6.2 Binder Test Results 65
Table 6.3 Aggregate Specific Gravities 66
Table 6.4 Coarse Aggregate Angularity Test Results 67
Table 6.5 Fine Aggregate Angularity 68
Table 6.6 Flat and Elongated Particles 68
Table 6.7 Clay Content 68
Table 6.8 Gradation Criteria for 19-mm Nominal Mixture 69
Table 6.9 IH-43 Trial Gradations 70
Table 6.10 Estirnated Aggregate Blend Properties 71
Table 6.11 Superpave Design Gyratory Compactive Effort 74
Table 6.13 Compaction Summary of Trial Blends 79
Table 6.14 Dust Proportion of Trial Blends 81
Table 6.16 Estimated Mixture Compaction Properties 82
Table 6.21 Mix Compaction Properties - Blend 3 86
Table 6.25 Moisture Sensitivity Data for Blend 3 90
9781934154175
PAVIMENTOS DE ASFALTO
MORTERO ASFALTICO-MEZCLA
MORTERO ASFALTICO-FALLAS
MORTERO ASFALTICO-METODOS DE PRUEBA
MORTERO ASFALTICO.-APLICACIONES ESPECIALES
625.85 AS65s
Ver: www.asphaltinstitute.org
CONTENIDO
Chapter 1: Background 1
Introduction 1
Asphalt Mixtures 2
Asphalt Binder Behavior 2
Mineral Aggregate Behavior 3
Asphalt Mixture Behavior 5
Chapter 2: Mix Design Practices 11
Asphalt Specifications 11
Penetration and Viscosity Graded Specifications 11
Superpave Performance Graded Asphalt Binder Specification 12
Asphalt Mixture Design Procedures 14
Marshall and Hveem Methods 14
Superpave Asphalt Mixture Design Procedures 15
Chapter 3: Materials selection 19
Asphalt Binder 19
Air Temperarure Selection 21
Pavement Temperature Selection 22
Binder Grade Selection Based on Pavement Temperatures 23
Adjusting Binder Grade Selection for Traffic Speed and Loading 24
Mineral Aggregate 25
Consensus Aggregate Properties 26
Source Aggregate Properties 29
Gradation 30
Chapter 4: Asphalt Mixture Volumetrics 35
Introduction 35
Definitions 35
Analyzing a Compacted Paving Mixture 38
Chapter 5: Superpave Mix Design 45
Introduction 45
Superpave Gyratory Compactor 45
Test Equipment 46
Additional Test Equipment 49
Design Aggregate Structure 49
Specimen Preparation and Compaction 50
Data Analysis and Presentation 55
Design Asphalt Binder Content 60
Moisture Sensitivity 61
Chapter 6: Superpave Mix Design Example 63
Introduction 63
Material Selection 64
Binder Selection 64
Aggregate Selection 66
Select Design Aggregate Structure 69
Select Trial Asphalt Binder Cantent 71
Evaluate Trial Blends 78
Select Design Asphalt Content 82
N-max Verification 88
Evaluate Moisture Sensitivity 89
Appendix A: Superpave Aggregate Gradation Control Points 91
Appendix B: Boundaries of Aggregate Restricted Zone 93
Appendix C: Superpave Mix Design - Procedural Outline 95
Member Companies of the Asphalt Institute 97
List of Figures
Figure 1.1 Shear Loading Behavior of Agregate 4
Figure 1.2 Aggregate Stone Skeleton 5
Figure 1.3 Rutting from Weak Subgrade 6
Figure 1.4 Rutting from Weak Mixture 7
Figure 1.5 Fatigue Cracking 8
Figure 1.6 Low Temperarure Cracking 9
Figure 2.1 Variations of Three Viscosity-Graded Asphalts 12
Figure 3.1 Design Temperature Reliability 21
Figure 3.2 Example Air Temperarure Variations 22
Figure 3.3 Example Pavement Temperature Variations 22
Figure 3.4 Superpave Binder Grade Selections for Cleveland 24
Figure 3.5 Fine Aggregate Angularity Apparatus 27
Figure 3.6 Measuring Flat and Elongated Particles 28
Figure 3.7 Sand Equivalent Test 29
Figure 3.8 Basis for 0.45 Power Chart 31
Figure 3.9 Maximum Density Gradation for 19 mm Maximum Size 31
Figure 3.10 Superpave Gradation Limits 33
Figure 4.2 Component Diagram of Compacted Sample of HMA 37
Figure 5.1 Superpave Gyratory Compactor 46
Figure 5.2 SCG Mold Configuration 47
Figure 5.3 Mixture Compaction Characteristics from the SGC 47
Figure 5.4 Temperature-Viscosity Relationship 51
Figure 5.5 Specimen Preparation and Compaction 53
Figure 6.1 Temperature-Viscosity Relationship for PG 58-34 Binder 65
Figure 6.2 Interstate 43 Trial Blends 70
Figure 6.3 Densification Curves for Trial Blend 1 75
Figure 6.4 Densification Curves for Trial Blend 2 76
Figure 6.5 Densification Curves for Trial Blend 3 77
Figure 6.6 Average Densification Curves for Blend 3 85
List of Tables
Table 2.1 Superpave Binder Test Equipment 14
Table 3.1 Binder Selection on the Basis of Traffic Speed and Traffic Level 25
Table 3.2 Superpave Aggregate Consensus Property Requirements 26
Table 3.3 Superpave Mixture Gradation Designations 33
Table 4.1 Basic Data for Sample of Paving Mixture 39
Table 5.1 Superpave Design Gyratory Compactive Effort 48
Table 5.2 Superpave Volumetric Mixture Design Requirement 59
Table 6.1 Project Environmental Conditions and Binder Grades 64
Table 6.2 Binder Test Results 65
Table 6.3 Aggregate Specific Gravities 66
Table 6.4 Coarse Aggregate Angularity Test Results 67
Table 6.5 Fine Aggregate Angularity 68
Table 6.6 Flat and Elongated Particles 68
Table 6.7 Clay Content 68
Table 6.8 Gradation Criteria for 19-mm Nominal Mixture 69
Table 6.9 IH-43 Trial Gradations 70
Table 6.10 Estirnated Aggregate Blend Properties 71
Table 6.11 Superpave Design Gyratory Compactive Effort 74
Table 6.13 Compaction Summary of Trial Blends 79
Table 6.14 Dust Proportion of Trial Blends 81
Table 6.16 Estimated Mixture Compaction Properties 82
Table 6.21 Mix Compaction Properties - Blend 3 86
Table 6.25 Moisture Sensitivity Data for Blend 3 90
9781934154175
PAVIMENTOS DE ASFALTO
MORTERO ASFALTICO-MEZCLA
MORTERO ASFALTICO-FALLAS
MORTERO ASFALTICO-METODOS DE PRUEBA
MORTERO ASFALTICO.-APLICACIONES ESPECIALES
625.85 AS65s