Gradient boosting decision trees to study laboratory and field performance in pavement management
Mohammadjavad Berangi (TU Delft - Pavement Engineering)
Bernardo Mota Lontra (TNO)
Kumar Anupam (TU Delft - Pavement Engineering)
Sandra Erkens (TU Delft - Pavement Engineering)
Dave Van Vliet (TNO)
Almar Snippe (TNO)
Mahesh Moenielal (TNO)
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Abstract
Inconsistencies between performance data from laboratory-prepared and field samples have been widely reported. These inconsistencies often result in inaccurate condition prediction, which leads to inefficient maintenance planning. Traditional pavement management systems (PMS) do not have the appropriate means (e.g., mechanistic solutions, extensive data handling facilities, etc.) to consider these data inconsistencies. With the growing demand for sustainable materials, there is a need for more self-learning systems that could quickly transfer laboratory-based information to field-based information inside the PMS. The article aims to present a future-ready machine learning-based framework for analyzing the differences between laboratory and field-prepared samples. Developed on the basis of data obtained from field and laboratory data, the gradient-boosting decision trees-based framework was able to establish a good relationship between laboratory performance and field performance (R2test > 80 for all models). At the same time, the framework could also show more complex relationships that are often not considered in practice.
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