怎样从分子结构设计路面材料?研究热固性聚氨酯(PU)与沥青的聚合过程和相互作用机制;改变 PU 的硬段含量和软段分子量,分析改性沥青的高低温性能、水稳定性和疲劳性能;以分子结构、掺量和固化温度为变量,研究施工容留时间。材料面向钢桥面铺装和薄层罩面。
方法:流变试验、分子层面表征、计算化学;
依托:国家自然科学基金面上项目(2022–2025)。
02研究成果
机场道面病害轻量化识别
轻量化 YOLOv5 识别机场道面病害,模型内存降低约 90%
代表论文
Enhancing Quality Assurance of Modified Asphalt Based on Infrared Spectral Entropy Similarity. Journal of Materials in Civil Engineering, 2025. doi:10.1061/jmcee7.mteng-20918
Low carbon polymer modified pavement asphalt originated from Diels-Alder type polyurethane. Road Materials and Pavement Design, 2024. doi:10.1080/14680629.2024.2433179
Investigating influence of hard segment content on rheological behavior of thermosetting PU modified asphalt. Construction and Building Materials, 2024. doi:10.1016/j.conbuildmat.2024.135129
Automated detection of airfield pavement damages: an efficient light-weight algorithm. International Journal of Pavement Engineering, 2023. 轻量化模型使内存占用降低约 90%。doi:10.1080/10298436.2023.2247135
Detecting temperature segregation in asphalt pavement construction using infrared imaging and deep learning. International Journal of Pavement Engineering, 2023. doi:10.1080/10298436.2023.2258438
Fracture Performance of Asphalt Concrete under Long-Term Vapor Exposure. Journal of Materials in Civil Engineering, 2023. doi:10.1061/JMCEE7.MTENG-15256
A simplified solving method for Fickian diffusion model and its application in simulating moisture distribution in asphalt concrete. International Journal of Pavement Engineering, 2023. doi:10.1080/10298436.2023.2185240
Investigating on polymerization process and interaction mechanism of thermosetting polyurethane modified asphalt. Construction and Building Materials, 2022. doi:10.1016/j.conbuildmat.2022.127261
Study on preparation and performance of a thermosetting polyurethane modified asphalt binder for bridge deck pavements. Construction and Building Materials, 2022. doi:10.1016/j.conbuildmat.2022.126784
Laboratory investigation on the cracking performance of paving polyurethane mixtures. Construction and Building Materials, 2022. doi:10.1016/j.conbuildmat.2022.127795
Accelerated stochastic damage modeling of the long-term moisture effect on hot-mix asphalt. Construction and Building Materials, 2021. doi:10.1016/j.conbuildmat.2021.123692
Experimental investigation on performance deterioration of asphalt mixture under freeze–thaw cycles. International Journal of Transportation Science and Technology, 2020. doi:10.1016/j.ijtst.2020.04.004
The use of polyurethane for asphalt pavement engineering applications: A state-of-the-art review. Construction and Building Materials, 2019. doi:10.1016/j.conbuildmat.2019.07.213
国家自然科学基金
四个项目连成一条线:从界面开裂机理到水汽损伤,再到材料设计和道面检测。
面上项目:基于高光谱成像的机场沥青道面剥落损害快速识别与 FOD 安全预警研究(2026–2029,在研);