Predicting Marshall Flow and Marshall Stability of Asphalt Pavements Using Multi Expression Programming

Author:

Awan Hamad Hassan,Hussain ArshadORCID,Javed Muhammad Faisal,Qiu Yanjun,Alrowais RaidORCID,Mohamed Abdeliazim MustafaORCID,Fathi Dina,Alzahrani Abdullah Mossa

Abstract

The traditional method to obtain optimum bitumen content and the relevant parameters of asphalt pavements entails time-consuming, complicated and expensive laboratory procedures and requires skilled personnel. This research study uses innovative and advanced machine learning techniques, i.e., Multi-Expression Programming (MEP), to develop empirical predictive models for the Marshall parameters, i.e., Marshall Stability (MS) and Marshall Flow (MF) for Asphalt Base Course (ABC) and Asphalt Wearing Course (AWC) of flexible pavements. A comprehensive, reliable and wide range of datasets from various road projects in Pakistan were produced. The collected datasets contain 253 and 343 results for ABC and AWC, respectively. Eight input parameters were considered for modeling MS and MF. The overall performance of the developed models was assessed using various statistical measures in conjunction with external validation. The relationship between input and output parameters was determined by performing parametric analysis, and the results of trends were found to be consistent with earlier research findings stating that the developed predicted models are well trained. The results revealed that developed models are superior and efficient in terms of prediction and generalization capability for output parameters, as evident by the correlation coefficient (R) (in this case >0.90) for both ABC and AWC.

Publisher

MDPI AG

Subject

Building and Construction,Civil and Structural Engineering,Architecture

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