题名: |
Artificial Neural Network-Based
Methodologies for Rational Assessment of
Remaining Life of Existing Pavements |
作者: |
C.Ferregut, I. Abdallah. O. Melchor, and S. Nazarian |
关键词: |
Pavement Performance, Remaining Life, Artificial
Neural Networks. Rutting, Fatigue Cracking,
Flexible Pavements, Probability |
摘要: |
Most mechanistic-empirical methods for determining the remaining life of an existing pavement rely on the use of deflection-based non-destructive evaluation (NDE) devices. This report describes a methodology based on Artificial Neural Networks (ANN) techniques to estimate the remaining life of flexible pavements given the occurrence of two possible failure modes: rutting and fatigue cracking. The ANN techniques are also used to develop models that predict the critical strains at the interfaces of the pavement. The inputs to all the models are the best estimates of the thickness of each layer and the surface deflections obtained from a Falling Weight Deflectometer test. Uncertainty in these variables is accounted for by the proposed methodology. The report also describes an approach to the production of pavement performance curves using the results of the ANN models |
报告类型: |
科技报告 |