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《Petroleum Asphalt》 2020-03
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Study on the Pavement Performance of DOA/SBS Compound Modified Asphalt and Its Mixture

Zhang Feng;Liu Pan;Li Kai;Sheng Xingyue;Li Lu;Chongqing Zhixiang Paving Technology Engineering Co.,Ltd.;Chongqing Jiaotong University;  
The relationship between DOA performance and compound modified asphalt performance is investigated.The feasibility of using DOA/SBS compound modified asphalt as GA and SMA is studied,and then the comprehensive performance of steel deck pavement composite structure"GA+SMA" is evaluated.The results showed that DOA performance directly effect compound modified asphalt performance.The wax content and composition distribution of DOA had a great effect on the performance of compound modified asphalt.DOA/SBS compound modified asphalt GA10 and SMA has better road performance,and the pavement composite structure has good comprehensive performance.The application of DOA to steel bridge deck pavement is feasible both technically and economically.
【Fund】: 重慶市重點產業共性關鍵技術創新專項重點研發項目(cstc2017zdcy-zdyf0297);; 重慶交通大學研究生科研創新項目(2019S0146)
【CateGory Index】: U414
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