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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 109
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON SOFT COMPUTING TECHNOLOGY IN CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING
Edited by: Y. Tsompanakis, J. Kruis and B.H.V. Topping
Paper 30

Stability Prediction of Asphaltic Concrete Mixes using Multiple Additive Regression Trees

M.A. Saif and M.S. Al-Bisy

Civil Engineering Department, Umm Alqura University, Makkah, Saudi Arabia

Full Bibliographic Reference for this paper
M.A. Saif, M.S. Al-Bisy, "Stability Prediction of Asphaltic Concrete Mixes using Multiple Additive Regression Trees", in Y. Tsompanakis, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Fourth International Conference on Soft Computing Technology in Civil, Structural and Environmental Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 30, 2015. doi:10.4203/ccp.109.30
Keywords: asphaltic concrete, Marshall stability, Marshall flow, multiple additive regression trees.

Summary
The Marshall stability of asphalt concrete is one of the important features for performance of asphalt pavement. This paper presents the design, implementation, and testing of a multiple additive regression trees (MART) and multilayer perceptron neural networks (MLP) models. This can serve as a modern innovative technological approach to the prediction of stability of asphaltic concrete mixes on the basis of experimental data, without reliance on a mathematical relationship. The results indicate that the MART method's prediction accuracy and avoidance of over-fitting were superior to those of the MLP method. Moreover, the results obtained in this investigation demonstrate that the MART model was more efficient and robust than the other. Finally, the analysis of the results suggests that MART-based modeling is effective in predicting stability of asphaltic concrete mixes. This paper shows that transportation and highway engineers can use the MART model to predict the stability of asphaltic concrete mixes without conducting costly and time consuming experimental tests.

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