Overhead catenary system portal structure is used on railway especially on multi-railway of station yard. It is also called portal frame system or portal girder system.
接触网硬横跨体系是近两年在铁路上尤其在铁路站场多股道上广泛应用的一种接触网结构体系形式,又称为门型架空刚性接触网或硬横梁体系。
参考来源 - 地震作用下接触网硬横跨动力响应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
在此基础上，考虑结构体系的协同工作，建立了接触网硬横跨结构—索整体分析模型。
On this basis, considering the structural system work together on catenary hard across the structure-the whole cable model.
本文针对接触网硬横跨结构及列车运行的特点，探讨了列车风风速理论及设计方法，提出了适用于硬横跨结构的列车风风载计算公式。
For the catenary structure and train hard across the characteristics of the wind speed train theory and design method, was proposed for the structure of hard across the train air damper set formula.
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