Evaluation of Influence of Nano Kaolin on Temperature Sensitivity of Asphalt Pavement Based on Analytic Hierarchy Process
DOI:
https://doi.org/10.54097/ajst.v7i1.11305Keywords:
Nano-kaolin modified asphalt mixture, Thermal conductivity, Temperature sensitivity, Analytic hierarchy process.Abstract
In order to further explore the five different dosage of nano kaolin sensitivity to the temperature of the modified asphalt concrete, combined with constant temperature heating heating experiment and stir yogurt machine constant temperature cooling experiment of these two kinds of innovative experiment of heat exchange data, based on the analytic hierarchy process (ahp) innovative obtains the temperature win min optimum dosage of nano kaolin, The influence of different nano-kaolin content on the temperature sensitivity of modified asphalt was evaluated as a whole. The experimental results show that when the content of nano-kaolin is 7%, the temperature sensitivity of asphalt mixture is the best at 10 different temperatures compared with the other four mixtures. With the increase of nano-kaolin content, the temperature sensitivity of asphalt mixture is first superior and then inferior.
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