Thạc Sĩ Fundamental characterization of louisiana hma mixtures

TABLE OF CONTENTS
DEDICATION II
ACKNOWLEDGEMENTS III
ABSTRACT VI
CHAPTER 1. INTRODUCTION . 1
1.1 Background 1
1.2 Problem Statement . 3
1.3 Objectives 4
1.4 Scope of Research 5
CHAPTER 2. LITERATURE REVIEW 7
2.1 Evolution of the 2002 M-E Design Guide . 7
2.1.1 Research Studies on the Evaluation of the 2002 M-E Design Guide 11
2.2 Dynamic Modulus |E*| 12
2.2.1 Theoretical Background of Dynamic Modulus |E*| 12
2.2.2 Research Studies on the Evaluation of Dynamic Modulus |E*| 13
2.2.3 Development of Master Curves . 17
2.2.4 Prediction Equations for the Dynamic Modulus |E*| 20
2.3 Simple Performance Tests . 22
2.3.1 Theoretical Background of Static Creep Test (Flow Time) 22
2.3.2 Theoretical Background of Repeated Load Test (Flow Number) . 25
2.3.3 Research Studies on the Evaluation of Flow Time and Flow Number . 27
CHAPTER 3. METHODOLOGY 29
3.1 Projects and Materials 29
3.1.1 Projects 29
3.1.2 Materials 31
3.2 Specimen Preparation 39
3.2.1 Specimen Preparation for Simple Performance Tests . 39
3.2.2 Specimen Preparation for Dynamic Modulus in Indirect Tension Mode 42
3.3 Laboratory Test Methods . 43
3.3.1 Dynamic Modulus Test (Axial) . 43
3.3.2 Flow Time/Static Creep Test . 45
3.3.3 Flow Number/ Repeated Loading Test 47
3.3.4 Dynamic Modulus |E* | in Indirect Tension Mode (IDT) . 50
3.3.5 Hamburg Wheel Tracking Device Test . 51
CHAPTER 4. TEST RESULTS AND ANALYSIS . 55
4.1 Dynamic Modulus |E*| Test Results 55
4.2 Phase Angle Results (δ) . 61
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4.3 Master Curves 63
4.4 Evaluation Methodology for Dynamic Modulus Predictive Equations . 67
4.4.1 Evaluation of Witczak Predictive Equation 69
4.4.2 Evaluation of Hirsch Model 72
4.5 Evaluation of Sensitivity of Rut Prediction from the 2002 Mechanistic-Empirical
Design Guide . 75
4.6 Flow Number Test Results (FN) 81
4.7 Flow Time (FT) Test Results . 85
4.8 Hamburg Wheel Tracker Test Results . 88
4.9 Discussion of Test Results . 90
4.10 Comparison of Dynamic Modulus Obtained from Axial and Indirect Tension 93
Mode (IDT) 93
4.11 Developing a Catalog for Dynamic Modulus |E*| Test Results 97
4.12 Permanent Deformation Analysis 104
4.12.1 Comparison of Ranks 104
4.12.2 Statistical Grouping of Similar Mixtures 107
4.12.3 Correlation with Hamburg Test Results 110
4.13 Summary and Conclusions 112
4.14 Recommendations 114
REFERENCES . 115
APPENDIX A: DYNAMIC MODULUS TEST RESULTS 119
APPENDIX B: PHASE ANGLE TEST RESULTS . 150
APPENDIX C: FLOW TIME TEST RESULTS 181
APPENDIX D: FLOW NUMBER TEST RESULTS 185
APPENDIX E: INPUTS FOR 2002 M-E DESIGN GUIDE 189
VITA . 213