Transcription of INTERIM PAVEMENT DESIGN PROCEDURE - NCDOT
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NCDOT PAVEMENT DESIGN PROCEDURE AASHTO 1993 METHOD N. C. Department of Transportation Materials and Tests Unit PAVEMENT Section January 4, 2019 TABLE OF CONTENTS INTRODUCTION .. 1 PAVEMENT DESIGN EQUATIONS .. 1 TRAFFIC ESALS .. 3 TERMINAL SERVICEABILITY INDEX .. 4 RELIABILITY .. 5 LAYER COEFFICIENTS .. 6 LOADING LEVELS (SUPERPAVE MIX DESIGNS) .. 7 UNIT WEIGHTS; APPLICATION 7 ASPHALT cement PERCENTAGES .. 8 PAVEMENT LAYER DEPTHS .. 9 MINIMUM DEPTHS FOR PAVEMENT 10 PAVEMENT DESIGNS FOR DETOURS .. 10 THIN-DEPTH PAVED SHOULDER DESIGN .. 10 BRIDGE REPLACEMENT PAVEMENT DESIGNS .. 10 RECOMMENED LOW VOUME PAVEMENT DESIGNS .. 11 REHABILITATION DESIGNS .. 13 PAVEMENT DRAINAGE .. 15 UNIT COSTS .. 16 APPROVED LIFE CYCLE COST ANALYSIS .. 17 PAVEMENT TYPE 19 PRELIMINARY PAVEMENT DESIGNS .. 19 FINAL PAVEMENT 19 PAVEMENT REVIEW COMMITTEE.
Cement Treated Base Course (CTBC) 0.23 Cracked and Seated Concrete 0.28* Rubblized Concrete 0.28* Full Depth Reclaimed Asphalt 0.20* (for layer) 200 mm (8") Lime Stabilized Subgrade 1.0 -or- 175 mm (7") Cement Stabilized Subgrade 1.0
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