Advancements and Applications of Polyurethane Curing Technology in Railway Track Bed Construction in China

作     者：Yizhe Li 

作者机构：Northwest Normal UniversityLanzhou 730070Gansu ProvinceChina 

出 版 物：《Journal of World Architecture》 (世界建筑（百图）)

年 卷 期：2024年第8卷第1期

页      面：12-17页

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 

主　　题：Polyurethane curing Railway track bed Infrastructure optimization Prefabricated construction 

摘      要：This paper examines the application of polyurethane curing technology in the construction of railway track beds,with a specific focus on its implementation in China’s rapidly developing railway *** study begins by identifying the limitations of traditional ballasted track beds,especially under the demands of high-speed and heavyload *** then methodically analyzes the advantages of polyurethane-cured track beds,highlighting their improved mechanical properties,including enhanced stability and *** paper further explores the benefits of transitioning to prefabricated polyurethane track beds,emphasizing significant cost reductions,better construction quality,and enhanced *** a detailed review of experimental data and practical applications,the paper demonstrates the efficacy of polyurethane track beds in various railway settings.A critical part of the research involves optimizing the structural parameters of polyurethane track beds to achieve the best balance of mechanical and damping *** conclusion of the paper underscores the potential of polyurethane curing technology as a transformative approach to railway track bed construction,offering a solution to the challenges posed by traditional methods and aligning with the evolving needs of modern railways.