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 Stiffness Temperature Measurement
• Publication/ Report Number:
  FHWA-RD-98-085;DBNX94822-D;NTIS-PB2000107444
• Resource Type:
  Research Paper
• 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
  
  
• Format:
  PDF
• Funding:
  DTFH61-94-C00208
• Collection(s):
  Federal Highway Administration US Transportation Collection
• Main Document Checksum:
  urn:sha-512:c25adba8f9db899295c3d1504542ac98939e347e5f72bf881bb536d86cdb2c2d0c7e59f8af8cdc68be5c587c1e6e4e5beb22926cd5caaf3dce64a30511ce5c5e
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/15368/dot_15368_DS1.pdf
• File Type:
  [PDF - 1.69 MB ]