Research Article | Open Access | Download Full Text
Volume 3 | Issue 3 | Year 2024 | Article Id: DST-V3I3P101 DOI: https://doi.org/10.59232/DST-V3I3P101
Implementation of an Advisory Expert System for Evaluating the Quality of Asphalt Concrete
Saad Issa Sarsam
| Received | Revised | Accepted | Published |
|---|---|---|---|
| 11 Jul 2024 | 01 Aug 2024 | 22 Aug 2024 | 28 Sep 2024 |
Citation
Saad Issa Sarsam. “Implementation of an Advisory Expert System for Evaluating the Quality of Asphalt Concrete.” DS Journal of Digital Science and Technology, vol. 3, no. 3, pp. 1-8, 2024.
Abstract
The construction of asphalt concrete pavement requires string control on its quality in the field. The percentages of each ingredient of the asphalt concrete mixture, including (various sizes of aggregates, filler, and asphalt cement binder) must be within the limits of laboratory mix design so that the final mixture will provide the required mechanical properties. Such control may not be achieved in the field due to expected variation in the gradation of aggregates and in providing the proper binder requirement. A statistical tolerance is accepted for such variation according to the specification, which is usually followed by a significant amount of engineering judgement for the decision of whether to accept or decline such deviations, verify its influence on the quality of asphalt concrete, and suggest the exact remedy to be taken and the penalty to be decided. In the present investigation, an advisory expert system is developed and presented. The knowledge base of the system contains heuristic rules extracted from the literature survey. It was felt that such an advisory system could meet the practical demand of road construction and quality control and assist in the decision on the suitability of the executed pavement according to the design requirements. A systematic process was developed to assess the decision maker in rejecting, accepting, or accepting the executed pavement with a discount in the cost (penalty).
Keywords
Advisory expert system, Asphalt concrete, Deviation, Specification, Mix design.
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