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NCHRP Synthesis 381:

Falling Weight Deflectometer Usage
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Status: Not for Sale

Size: 136 pages, 8.5 x 11

Publication Year:2008
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Authors:
Sirous Alavi; Michael P Tavares; Jeffrey F LeCates; Transportation Research Board
Authoring Organizations

Description:
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 381: Falling Weight Deflectometer Usage examines usage by state departments of transport of the falling weight deflectometer (FWD) to measure pavement deflections in response to a stationary dynamic load, similar to a ...
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Table of Contents
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Front Matter i-x  
Summary 1-2 (skim)
Purpose 3-3 (skim)
Scope 4-4 (skim)
Definitions 5-6 (skim)
Falling Weight Deflectometer Types and Configurations 7-7 (skim)
Falling Weight Deflectometer Manufacturers 8-9 (skim)
Maintenance Practices 10-11 (skim)
Calibration Procedures 12-12 (skim)
Calibration Requirements 13-13 (skim)
Calibration Centers 14-14 (skim)
Data Collection Guidelines 15-19 (skim)
Data Storage 20-20 (skim)
Data Analysis Methods 21-21 (skim)
Data Analysis Software 22-22 (skim)
Analysis Output File Types 23-23 (skim)
Qualifications 24-24 (skim)
Additional Training Opportunities 25-26 (skim)
Outsourcing Requirements 27-28 (skim)
Case 2. Pavement Rehabilitation and Overlay 29-29 (skim)
Case 4. Pavement Management Systems 30-30 (skim)
Case 7. Spring Load Restrictions 31-31 (skim)
Case 11. Project Acceptance and Evaluation 32-32 (skim)
Case 12. Conversion of Data from Other Nondestructive Testing Devices 33-33 (skim)
Case 13. International Practices 34-34 (skim)
Portable Falling Weight Deflectometer 35-35 (skim)
Mechanistic-Empirical Pavement Design 36-36 (skim)
CHAPTER TEN - Conclusions 37-38 (skim)
References 39-42 (skim)
Bibliography 43-43 (skim)
Abbreviations 44-44 (skim)
APPENDIX A - Survey Questionnaire 45-67 (skim)
Part 1: Background Information 68-68 (skim)
Part 2: FWD Equipment Types 69-69 (skim)
Part 3: FWD Equipment Maintenance 70-73 (skim)
Part 4: FWD Equipment Calibration 74-79 (skim)
Part 5: GeneraL FWD Testing Procedures 80-83 (skim)
Part 6: FWD Field Testing - Flexible Pavements 84-92 (skim)
Part 7: FWD Field Testing - Rigid Pavements 93-102 (skim)
Part 8: FWD Computers 103-104 (skim)
Part 9: Data Analysis 105-107 (skim)
Part 10: Data Management and Storage 108-109 (skim)
Part 11: Personnel Training 110-115 (skim)
Part 12: FWD Program Administration - Part 1 of 2 116-117 (skim)
Part 13: FWD Program Administration - Part 2 of 2 118-126 (skim)
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Description

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 381: Falling Weight Deflectometer Usage examines usage by state departments of transport of the falling weight deflectometer (FWD) to measure pavement deflections in response to a stationary dynamic load, similar to a passing wheel load.

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