Modeling the Joint Behavior of PCC Kansas Pavements Via Dynamic ANN Approach
Publication: Recent Advances in Materials Characterization and Modeling of Pavement Systems
Abstract
Joint Deterioration of PCC pavement is a process that is controlled by a variety of quantifiable and other non-easily quantifiable parameters. In this study, artificial neural network (ANN) approach was used to correlate the time-dependent joint deterioration behavior with quantifiable experimentally-based aggregate durability parameters such as durability factor, percent expansion and freeze-thaw index. To achieve this objective, the historical Kansas pavement management system database, along with corresponding aggregate and core durability reports for a number of PCC sections, were combined to produce the needed time-dependent joint deterioration database. The resulting database was split into training, testing and validation sub-bases. Upon a number of ANN training, testing and validation processes, a time-dependent ANN-based joint deterioration model was developed. The developed dynamic model utilizes a number of aggregate durability factors to project the time-dependent joint deterioration behavior for up to 20 years after construction. Accordingly, model predictions for year n are sequentially used as inputs for predictions for year n+1. Overall, model predictions are noted to be logical and in good agreement with field observations.
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© 2004 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Artificial intelligence and machine learning
- Computer programming
- Computing in civil engineering
- Concrete pavements
- Deterioration
- Dynamic models
- Engineering fundamentals
- Gravels
- Infrastructure
- Joints
- Materials characterization
- Materials engineering
- Measurement (by type)
- Models (by type)
- Neural networks
- Pavement condition
- Pavements
- Structural behavior
- Structural engineering
- Structural members
- Structural systems
- Time dependence
- Transportation engineering
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