• Front Matter R1-R10

• Summary 1-2

• Purpose 3-3

• Scope 4-4

• Definitions 5-6

• Falling Weight Deflectometer Types and Configurations 7-7

• Falling Weight Deflectometer Manufacturers 8-9

• Maintenance Practices 10-11

• Calibration Procedures 12-12

• Calibration Requirements 13-13

• Calibration Centers 14-14

• Data Collection Guidelines 15-19

• Data Storage 20-20

• Data Analysis Methods 21-21

• Data Analysis Software 22-22

• Analysis Output File Types 23-23

• Qualifications 24-24

• Additional Training Opportunities 25-26

• Outsourcing Requirements 27-28

• Case 2. Pavement Rehabilitation and Overlay 29-29

• Case 4. Pavement Management Systems 30-30

• Case 7. Spring Load Restrictions 31-31

• Case 11. Project Acceptance and Evaluation 32-32

• Case 12. Conversion of Data from Other Nondestructive Testing Devices 33-33

• Case 13. International Practices 34-34

• Portable Falling Weight Deflectometer 35-35

• Mechanistic-Empirical Pavement Design 36-36

• CHAPTER TEN - Conclusions 37-38

• References 39-42

• Bibliography 43-43

• Abbreviations 44-44

• APPENDIX A - Survey Questionnaire 45-67

• Part 1: Background Information 68-68

• Part 2: FWD Equipment Types 69-69

• Part 3: FWD Equipment Maintenance 70-73

• Part 4: FWD Equipment Calibration 74-79

• Part 5: GeneraL FWD Testing Procedures 80-83

• Part 6: FWD Field Testing - Flexible Pavements 84-92

• Part 7: FWD Field Testing - Rigid Pavements 93-102

• Part 8: FWD Computers 103-104

• Part 9: Data Analysis 105-107

• Part 10: Data Management and Storage 108-109

• Part 11: Personnel Training 110-115

• Part 12: FWD Program Administration - Part 1 of 2 116-117

• Part 13: FWD Program Administration - Part 2 of 2 118-126

Alavi, Sirous, Tavares, Michael P, LeCates, Jeffrey F, Transportation Research Board " Part 6: FWD Field Testing - Flexible Pavements ." NCHRP Synthesis 381: Falling Weight Deflectometer Usage . Washington, DC: The National Academies Press, 2008 .

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