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Suggested Citation:"Table of Contents." Transportation Research Board. 1997. NCHRP Web Doc 14 Laboratory Determination of Resilient Modulus for Flexible Pavement Design: Final Report. Washington, DC: The National Academies Press. doi: 10.17226/6353.
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Suggested Citation:"Table of Contents." Transportation Research Board. 1997. NCHRP Web Doc 14 Laboratory Determination of Resilient Modulus for Flexible Pavement Design: Final Report. Washington, DC: The National Academies Press. doi: 10.17226/6353.
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Suggested Citation:"Table of Contents." Transportation Research Board. 1997. NCHRP Web Doc 14 Laboratory Determination of Resilient Modulus for Flexible Pavement Design: Final Report. Washington, DC: The National Academies Press. doi: 10.17226/6353.
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TABLE OF CONTENTS ACKNOWLEDGMENTS ABSTRACT EXECUTIVE SUMMARY CHAPTER I - INTRODUCTION AND RESEARCH APPROACH BACKGROUND BASIC CONCEPTS FOR REPEATED LOAD TESTING OBJECTIVES OF RESEARCH RESEARCH APPROACH REPORT ORGANIZATION CHAPTER 2 - RESILIENT MODULUS TESTING OF ASPHALT CONCRETE Page 1V V V1 2 6 7 8 10 INTRODUCTION 10 METHODS FOR DETERMINATION OF MODULUS OF ASPHALT CONCRETE 10 DIAMETRAL RESILIENT MODULUS TESTING DEVICES AND MEASUREMENT SYSTEMS USED IN EXPERIMENT INDIRECT TENSION TEST ANALYSIS METHODS FOR DETERMINATION OF RESILIENT MODULUS PRELIMINARY RESILIENT MODULUS EVALUATION WITH FIELD CORES EVALUATION OF RESILIENT MODULUS TESTING DEVICES USING SYNTHETIC SPECIMENS EVALUATION OF GAGE-POINT-MOUNTED LVDT SYSTEM EVALUATION OF A PROPOSED DEFORMATION MEASURING SYSTEM (EXSUM) INVESTIGATION OF EFFECT OF TEST VARIABLES MULTI-LAB VALIDATION STUDY COMPARISON OF LABORATORY AND BACKCALCULATED RESILIENT MODULI SUMMARY AND CONCLUSIONS CHAPIER 3 - RESILIENT MODULUS EVALUATION OF AGGREGATE BASE AND SUBGRADE MATERIALS INTRODUCTION RESILIENT MODULUS CONCEPT RESILIENT MODULUS LABORATORY TESTING METHODS GRANULAR MATERIAL RESILIENT MODULUS MODELS i 20 30 32 38 59 65 78 93 93 94 97 97 97 98 105

TABLE OF CONTENTS (CONTINUED) COHESIVE SUBGRADE SOIL RESILIENT MODULUS MODELS REPEATED LOAD TRIAXIAL TEST GRANULAR BASE EXPERIMENTAL STUDY AND FINDINGS SUBGRADE EXPERIMENTAL STUDY COHESIVE SUBGRADE FINDINGS STRESS SEQUENCE EFFECT AND FAILURE STRESS RATIOS GRANULAR MATERIALS SYSTEM COMPLIANCE LOAD ALIGNMENT AXIAL DEFORMATION MEASUREMENT SPECIMEN DRAINAGE SPECIMEN END FRICTION MOISTURE SENSITIVITY RESILIENT MODULUS AND PERMANENT DEFORMATION MODELS FOR COMPACTED COHESIVE SOILS SUMMARY AND CONCLUSIONS CHAPTER 4 - SIGNIFICANT GENERAL FINDINGS INTRODUCTION OPTIMUM RESILIENT MODULUS TESTING SYSTEM TESTING SYSTEM CALIBRATION SET-UP AND OPERATION OF NEW TESTING SYSTEM RESILIENT MODULUS TESTING METHODS AND PROCEDURES ENVIRONMENTAL MOISTURE CYCLE EFFECT OF LABORATORY TESTING VARIABILITY ON - PAVEMENT THICKNESS EMPIRICAL RESILIENT MODULUS RELATIONSHIPS PERMANENT DEFORMATION RESILIENT MODULI FOR DESIGN CHAPTER 5 - SUMMARY, CONCLUSIONS AND GENERAL RECOMMENDATIONS OPIIMUM RESILIENT MODULUS TESTING SYSTEM TESTING SYSTEM SET-UP AND CALIBRATION ASPHALT CONCRETE RESILIENT MODULUS TESTING METHODS AND PROCEDURES BASE AND SUBGRADE RESILIENT MODULUS TESTING METHODS AND PROCEDURES ENVIRONMENTAL MOISTURE CYCLE EMPIRICAL RESILIENT MODULUS RELATIONSHIPS FOR USE IN DESIGN PERMANENT DEFORMATION SUGGESTED ADDITIONAL RESEARCH REFERENCES @ @ 11 109 112 114 177 192 212 214 215 218 227 228 231 232 247 251 251 251 254 255 256 263 265 271 273 273 278 278 278 279 282 283 284 284 285 286

TABLE OF CONTENTS (CONTINUEI)) APPENDIX A - DIAMETRAL TEST EQUIPMENT AND EQUATIONS FOR DATA REDUCTION APPENDIX B - ASPHALT CONCRETE SPECIMEN PREPARATION APPENDIX C - DIAMETRAL TEST PROCEDURE FOR RESILIENT MODULUS OF ASPHALT CONCRETE APPENDIX D - REPEATED LOAD TEST SYSTEM CALIBRATION APPENDIX E - TEST PROCEDURE FOR RESILIENT MODULUS OF UNSTABILIZED AGGREGATE BASE AND SUBGRADE MATERIALS APPENDIX F - EFFECT OF LABORATORY TESTING VARIABILITY ON PAVEMENT THICKNESS APPENDIX G - SPECIMEN PREPARATION OF COHESIVE SOIL APPENDIX H - MULTI-LAB VALIDATION STUDY APPENDIX I - COMPARISON OF LABORATORY AND BACKCALCULATED RESILIENT MODULI APPENDIX 1 - EFFECT OF DIAMETRAL TEST VARIABLES iii A-1 B-1 C-1 D-1 E-1 F-1 G-1 H-1 I-1 J-1

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