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Modeling of Rutting Prediction for Flexible Pavements in Zambia

摘要第4-5页
Abstract第5-6页
TABLE OF CONTENTS第7-10页
CHAPTER 1 INTRODUCTION第10-19页
    1.1 RESEARCH BACKGROUND第10-13页
    1.2 PROBLEM STATEMENT第13-15页
    1.3 RESEARCH OBJECTIVES AND SCOPE第15页
    1.4 METHODOLOGY第15-16页
    1.5 ORGANIZATION OF THE THESIS第16-19页
CHAPTER 2 LITERATURE REVIEW第19-38页
    2.1 THE RUTTING PROBLEMS IN FLEXIBLE PAVEMENTS第19-25页
        2.1.1 Causes of Rutting in Flexible Pavements第20-23页
        2.1.2 Rutting Propagation and Mechanism第23-25页
    2.2 RUTTING MITIGATION第25-34页
        2.2.1 Effects of Asphalt Concrete Constituent Elements on Rut Mitigation第32页
        2.2.2 Rutting Mitigation in Zambia第32-34页
    2.3 RUTTING PREDICTION第34-38页
CHAPTER 3 RUT MODELING第38-74页
    3.1 RUT MODELS PREDICTION METHODS第38-66页
        3.1.1 Application of Viscoelasticity Theory to Rut Modeling第39-48页
        3.1.2 Mechanical Model Representing Linear Viscoelastic Behaviour第48-50页
        3.1.3 Maxwell Model第50-52页
        3.1.4 Kelvin Model第52-54页
        3.1.5 Burgers Model第54-56页
        3.1.6 Generalised Maxwell and Kelvin Models第56-61页
        3.1.7 Physical Representation of Visco Elasto Plasticity Asphalt Concrete Modeling第61-63页
        3.1.8 Plasticity Models in Asphalt Concrete第63-66页
    3.2 OTHER PAVEMENT RUTTING MODELS CRITERIA第66-72页
        3.2.1 Drucker Prager Model Formulation for Base and Subbase Layers第68-72页
    3.3 RESEARCH FLOW CHART FOR RUT MODELING第72-74页
        3.3.1 Rut Prediction Model Methodology第73-74页
CHAPTER 4 EXPERIMENTAL第74-189页
    4.1 FALLING WEIGHT DEFLECTION TESTING AND ANALYSIS第74-121页
        4.1.1 Falling Weight Deflection Data Analysis Back Calculation第93-102页
        4.1.2 Modulus Calculation第102-104页
        4.1.3 Structural Adequacy第104-105页
        4.1.4 Sensitivity Analysis of Modulus Values第105-121页
    4.2 ASPHALT MIXTURE CONSTITUENT MATERIALS DESIGN AND TESTING第121-131页
        4.2.1 Laboratory Tests on Aggregate Materials第122-124页
        4.2.2 Gradation Analysis AASHTO T27第124-125页
        4.2.3 Fine Aggregate Angularity (FAA)第125-126页
        4.2.4 Loss Angeles Abrasion Test (LAA) ASTM C131第126页
        4.2.5 Flat and Elongated Particles ASTM D4791第126-127页
        4.2.6 Fractured Particles ASTM D5821第127-128页
        4.2.7 Test on Asphalt Binders – Dynamic Shear Test第128-131页
    4.3 LABORATORY TESTS ON ASPHALT MIXES第131-181页
        4.3.1 Dynamic Modulus Test第133-138页
        4.3.2 Dynamic Modulus Raw Data第138-139页
        4.3.3 Data Variables第139-140页
        4.3.4 Raw Data Plots第140-141页
        4.3.5 Method of Data Analysis第141-145页
        4.3.6 Analysis of Dynamic Modulus Test Data and Results第145-159页
        4.3.7 Master Curves第159-163页
        4.3.8 Polynomial Power Function Procedure第163-164页
        4.3.9 Sigmoidal Function Procedure第164-168页
        4.3.10 Master Curves Developed From Test Data第168-175页
        4.3.11 Predictive Equations第175-181页
    4.4 ACCELERATED PAVEMENT TESTING第181-189页
        4.4.1 Model Mobile Load Simulator (MMLS3)第182-184页
        4.4.2 Test Protocol第184-186页
        4.4.3 Rut Measurements and Analysis第186-189页
CHAPTER 5 EXPERIMENTAL RESULTS AND DISCUSSION第189-218页
    5.1 ESTIMATION OF PAVEMENT MATERIAL PARAMETERS FOR RUTTING PREDICTION MODELS第189-194页
    5.2 ASPHALT MIXTURE DYNAMIC MODULI(E*) AND PHASE ANGLE((?))ESTIMATION第194-218页
        5.2.1 Creep Model Parameters Estimation第196-197页
        5.2.2 Mathematical Modeling of Creep第197-198页
        5.2.3 Creep Rate Laws and the Hardening Formulations第198-203页
        5.2.4 Repeated load test第203-208页
        5.2.5 Repeated Load Triaxial Compressive Strength Test第208-212页
        5.2.6 Uniaxial (Unconfined) Strength Test at Five Strain Rates第212页
        5.2.7 Determination of Visco Plastic Parameters第212-218页
CHAPTER 6 FINITE ELEMENT MODELING AND RESULTS第218-274页
    6.1 FINITE ELEMENT METHOD AND IDEALIZATION第218-230页
        6.1.1 Pavement Structures and Material Models第224-230页
    6.2 RESULTS FROM CREEP MODEL IN ABAQUS/CAE第230-243页
    6.3 VISCOELASTIC MODEL第243-246页
    6.4 ELASTO VISCO PLASTIC MODEL第246-255页
        6.4.1 Elasto Visco Plastic Model Results第248-255页
    6.5 PROPOSED ANALYTIC METHOD USING PRONY SERIES第255-265页
        6.5.1 Hereditary Integrals for Linear Viscoelasticity第257-261页
        6.5.2 Hereditary Integrals for a Multiple Loading Process第261-263页
        6.5.3 Weighted Nonlinear Regression第263-265页
    6.6 EVALUATION OF PERMANENT DEFORMATION MODELS第265-274页
        6.6.1 Mobile Load Simulator (MLS)第266页
        6.6.2 Evaluation of Results From ABAQUS Models第266-274页
CHAPTER 7 CONCLUSIONS AND RECOMMENDATIONS第274-279页
REFERENCES第279-290页
APPENDIX A: PRONY TERMS SIMULATION第290-294页
APPENDIX B: LIST OF PUBLICATIONS第294-296页
ACKNOWLEDGEMENTS第296页

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