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研究目的:磁悬浮列车在轨道上悬浮运行,具有快捷、安全、舒适、低噪声、无轮轨摩擦、无污染等优点,发展前景十分美好,必将成为21世纪的一种重要的交通工具。本文对常导磁悬浮车辆支墩结构的设计理论进行了探讨。研究方法:上部支承结构计算按门式框架结构进行分析。底梁设计时沿线路纵向取1米宽底梁作为计算单元,按弹性地基梁理论进行内力和变形分析。研究结果:结合磁悬浮工程,对其主要结构———车辆支墩结构设计,从设计荷载、计算模型、计算图式及结构计算方法、结构构造设计等方面进行了较为详尽的说明。其设计理论及结构设计方法已经用于多项工程实验。研究结论:常导磁悬浮车辆支承墩的设计理论及结构设计方法,经工程实验及四年多的运营实践,证明设计合理、结构安全可靠,满足悬浮运行的要求,具有一定的推广价值。
Research purposes: Maglev train running in orbit, with fast, safe, comfortable, low noise, no wheel and rail friction, pollution-free and so on, the development prospects are very good, is bound to become an important transport in the 21st century. In this paper, the design theory of the support pier structure of the permanent magnetism levitation vehicle is discussed. Research Methods: The calculation of the upper support structure is based on the portal frame structure analysis. Bottom beam design along the length of the road to take a 1 m wide bottom beam as a computing unit, according to the elastic foundation beam theory and internal forces and deformation analysis. Research results: In combination with the engineering of maglev, the main structure of the vehicle, such as the design of vehicle support pier, is described in detail from the aspects of design load, calculation model, calculation pattern, structure calculation method and structure design. Its design theory and structural design methods have been used in a number of engineering experiments. CONCLUSIONS: The design theory and structure design method of the bearing for the conventional magnetic levitation vehicle have proved that the design is reasonable, the structure is safe and reliable, and meets the requirements of the suspension operation, which has some promotion value through engineering experiments and more than four years of operation practice.