Temperature predictions and adjustment factors for asphalt pavement

Details

• Creators:
  Lukanen, Erland O., 1944- ; Stubstad, Richard ; Briggs, Robert C.
• Corporate Creators:
  Braun Intertec
• Corporate Contributors:
  United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development
• Subject/TRT Terms:
  • Asphalt pavements
  • Asphalt tests
  • Deflection
  • Deflection tests
  • Temperature measurement
  • Stiffness
• Publication/ Report Number:
  FHWA-RD-98-085 ; DBNX94822-D ; NTIS-PB2000107444
• Resource Type:
  Research Paper
• Geographical Coverage:
  United States
• Edition:
  Final Report
• Contracting Officer:
  Cheryl Richter
• Corporate Publisher:
  Turner-Fairbank Highway Research Center
• Content Notes:
  CHAPTER 1. INTRODUCTION . . . . 1 ; BACKGROUND .. . 1 ; PROJECT SCOPE. . . . . . 1 ; REPORT ORGANIZATION. . . . . . . 1 ; CHAPTER 2. DATA SOURCE. . . . . . . . . . . 3 ; CHAPTER 3. DATA DEVELOPMENT FOR ANALYSIS .. . . 7 ; DATA COLLECTION .. . . . . . . 7 ; Temperature Data . . . . . .. . . 7 ; Temperature Depth Data . . .. . . 10 ; DATA PROCESSING FOR ANALYSIS . . .. . . 10 ; Thermistor Data . . .. . 11 ; Manual Temperatures . .. 11 ; Surface Temperatures . . . . . . . . . . . . .. . . 11 ; Creating the Data Analysis Files . . .. . . . . 11 ; Comparison of Resulting Temperatures . . .. . . . . . 13 ; Stability of the Manual Temperatures . . .. . . . . . . 14 ; Infrared Sensor Calibrations . .. . . . . . . 14 ; CHAPTER 4. TEMPERATURE PREDICTION MODELS . . . . . . . . 21 ; PREDICTION MODELS . . . . . . . 21 ; BELLS Model . . .. . . . . . . . . . . . . 21 ; Development of BELLS2 . . .. . . . . . . . . . 22 ; Shading Effect on Infrared Measurements . .. . . . . 25 ; BELLS2 for Production Testing . .. . . . . . . . . 26 ; Validation of the BELLS Models . .. . . . . . . . . 26 ; Recommended BELLS Models, Round 1 and Round 2 Combined .. . . 27 ; CHAPTER 5. TEMPERATURE ADJUSTMENTS FOR BACKCALCULATED ; ASPHALT MODULI . .. . . . 29 ; BACKCALCULATED ASPHALT MODULI .. . . 29 ; Backcalculation Results . . . . . . 30 ; Analysis Approach .. . . . . . . 30 ; TEMPERATURE ADJUSTMENT OF BACKCALCULATED ASPHALT MODULI . . . . . . 37 ; VALIDATION OF THE TEMPERATURE ADJUSTMENT MODEL . . . . . . . . . . . . . . . . . . 38 ; CHAPTER 6. TEMPERATURE ADJUSTMENT FOR BASIN SHAPE FACTORS . . . . . . . . . . . . . . 43 ; BASIN SHAPE FACTOR DEFINITIONS . . .. . . . . . . . . 43 ; AREA Shape Factor . . .. . . . . . . . . . 43 ; F-1 Shape Factor . . . 43 ; Deflection Basin Delta Shape Factors . . . . . . 44 ; Deflection Basin Ratio Factors . . . . . 44 ; TEMPERATURE RELATIONSHIPS . . . . . 44 ; Analysis Discussion . . . . . . . . . . 44 ; Development of the Regression Models . . . .. . . . . . . . 45 ; Basin Shape Models . . . . . 47 ; MODEL VALIDATION . . . 49 ; Comparison of Round 1 and Round 2 Data .. . . . . . . . . . . . 49 ; TEMPERATURE ADJUSTMENTS .. . . . . . . . . . . . . . . . 51 ; Temperature Adjustment for Deflection Under the Load Plate .. . . . 51 ; Temperature Adjustments for Basin Shape Factors .. . . . . . . . . 54 ; CHAPTER 7. CONCLUSIONS AND RECOMMENDATIONS .. . . . . 57 ; CONCLUSIONS . . . .. . . . . . . . . 57 ; RECOMMENDATIONS . . .. . . . . . . . . . 57 ; Temperature Prediction With the BELLS Models . .. . . . 57 ; APPENDIX. DRAFT STANDARDS . . . . .. . . . . . . . . . . . . . 59 ; REFERENCES . .. . . . . . . . . . . . 71
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• Format:
  PDF
• Funding:
  DTFH61-94-C00208
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/15368/dot_15368_DS1.pdf
• File Type:
  [PDF - 1.69 MB]
• Collection(s):
  Federal Highway Administration ; US Transportation Collection
• Main Document Checksum:
  urn:sha-512:c25adba8f9db899295c3d1504542ac98939e347e5f72bf881bb536d86cdb2c2d0c7e59f8af8cdc68be5c587c1e6e4e5beb22926cd5caaf3dce64a30511ce5c5e