Abstract
In order to study the effect of a new TPS high viscosity modifier on the performance of its modified asphalt, a new type of TPS high viscosity modified asphalt with 3%, 8%, 13% and 18% content will be prepared, SBS modified asphalt and Japanese TPS modified asphalt were selected for comparison, high temperature and low temperature indexes were tested respectively, and the modification effect of the new TPS high viscosity modifier was verified through comparative analysis, and the more suitable dosage was determined. The results show that with the increase of the new TPS content, the performance of asphalt has been improved. When the content of the new TPS reaches 13%, the indicators of high-viscosity asphalt have fully met the requirements of the specification; By comparing the performance of each high-viscosity asphalt, and combining the requirements of high-viscosity asphalt and Japanese TPS. For the comparison between high-viscosity modifiers, the recommended dosage of this new TPS is between 13% and 18%.
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