Applications of grid subdivision to estimate asphalt microstructure responses

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

This paper proposes a simple method to establish an equivalency between two-dimensional (2D) microstructures of Asphalt Concrete (AC), and subdivided computational specimens with ‘discretized’ properties, i.e., no microstructure. A rough estimate of the behaviour of the AC micro-structure is obtained by (1) determining the aggregate area per subdivision of the 2D microstructure using a grid, and then (2) estimating the mechanical properties of the subdivisions using exponential interpolation between the properties of the Fine Aggregate Matrix (FAM) and the aggregates. Results are presented after following this subdivision procedure for two AC microstructures generated at random, using a range of 1 to 50 subdivisions. A criterion is suggested for selecting an optimal number of subdivisions to reasonably approximate the overall mechanical response of the microstructure.
Original languageEnglish
Title of host publicationAdvances in Materials and Pavement Performance Prediction
Subtitle of host publicationPapers from the International Conference on Advances in Materials and Pavement Performance Prediction (AM3P 2018), April 16-18, 2018, Doha, Qatar
Pages367-372
ISBN (Electronic)9780429855801
Publication statusPublished - 11 Jul 2018
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Advances in Materials and Pavement Performance Prediction - Doha, Qatar
Duration: 16 Apr 201818 Apr 2018

Conference

ConferenceInternational Conference on Advances in Materials and Pavement Performance Prediction
Abbreviated titleAM3P
CountryQatar
CityDoha
Period16/04/201818/04/2018

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