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Pavement construction sector is exploring the possibilities of using bitumen-stabilized material (BSM) due to its environmental benefits, cost-effectiveness, and convenience of application. Based on laboratory investigations, this study analyzes the effect of aggregate temperature (AT) and bitumen emulsion content (BEC) on the performance of BSM. The mix design parameters, including BEC and AT, were optimized using a central composite design (CCD) using the response surface methodology (RSM). Furthermore, additional experiments were performed to validate the optimum solution given by the model. The results indicate that the effect of AT on the mechanical and volumetric properties of BSM is more significant at lower BEC. Validation of the optimum design method showed that RSM optimization is a successful method for BSM mix design.

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Optimization of Factors Influencing Performance Properties of Bitumen Stabilized Materials Using Design of Experiment

  • 会议论文

  • 发表日期：

    2025年

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  • Rahul Kumar,
  • Shivang Pandey,
  • Umesh Chandra Sahoo

摘要

Pavement construction sector is exploring the possibilities of using bitumen-stabilized material (BSM) due to its environmental benefits, cost-effectiveness, and convenience of application. Based on laboratory investigations, this study analyzes the effect of aggregate temperature (AT) and bitumen emulsion content (BEC) on the performance of BSM. The mix design parameters, including BEC and AT, were optimized using a central composite design (CCD) using the response surface methodology (RSM). Furthermore, additional experiments were performed to validate the optimum solution given by the model. The results indicate that the effect of AT on the mechanical and volumetric properties of BSM is more significant at lower BEC. Validation of the optimum design method showed that RSM optimization is a successful method for BSM mix design.