| Title | Temperature predictions and adjustment factors for asphalt pavement |
|---|---|
| Record ID | 17072 |
| Personal Name Creator |
Lukanen, Erland O., 1944-; Stubstad, Richard; Briggs, Robert C. |
| Source | vi, 71 p. : ill. (some col.) |
| Corporate Creator | Braun Intertec |
| Corporate Contributor |
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development |
| Publisher | Turner-Fairbank Highway Research Center |
| Publication Date | 20000600 |
| Language | English |
| Abstract | |
| Public Note | 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 |
| Rosap ID | dot:15368 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/15368 |
| TRT Terms | Asphalt pavements; Asphalt tests; Deflection; Deflection tests; Temperature measurement; Stiffness |
| Classification | NTL - HIGHWAY/ROAD TRANSPORTATION - Pavement Management and Performance |
| Geographical Coverage |
United States |
| TRIS Online Accession No |
794709 |
| Contract Number | DTFH61-94-C00208 |
| Report Number | FHWA-RD-98-085; DBNX94822-D; NTIS-PB2000107444 |
| Resource type | Research Paper |
| URL | https://ntlrepository.blob.core.windows.net/lib/17000/17000/17072/PB2000107444.pdf |
| Alternative URL | http://www.fhwa.dot.gov/Pavement/pub_details.cfm?id=229 |
| Format | |
| Database | NTL Digital Repository |