Models for Predicting Reflection Cracking of Hot-mix Asphalt OverlaysTRB's National Cooperative Highway Research Program (NCHRP) Report 669: Models for Predicting Reflection Cracking of Hot-Mix Asphalt Overlays explores mechanistic-based models for predicting the extent and severity of reflection cracking in hot-mix asphalt overlays. Appendices A through T to NCHRP Report 669 are available online-- |
Contents
Findings | 5 |
Prediction of Temperature in a HMA Overlay | 33 |
Healing Coefficients | 39 |
Copyright | |
2 other sections not shown
Common terms and phrases
albedo amount and severity analysis ANN algorithms ANN models Artificial Neural Network asphalt overlay asphalt pavement surface asphalt surface axle load distribution axle type calculated calibration coefficients climatic zones Complex Modulus computational crack growth crack length cracked asphalt pavement cracking data cumulative axle load Design Program Development of transverse EICM Engineering Equation extent and severity Falling Weight Deflectometer field data Figure finite element fracture mechanics geosynthetic HMA overlay interlayer L+M+H Length of Cracks LTPP section material properties model parameters modulus number of axles number of days observed output pavement structure provided in Appendix reflection cracking amount reflection cracking distress reflection cracking model scale parameter sets of calibration shear modulus shearing stress shows the predicted Stress Intensity Factor system identification Table test sections Texas Transportation Institute tire length tire patch length Total Length traffic category traffic loads transverse reflection cracking tridem values vehicle class viscoelastic