dual girder 中文意思是什麼

dual girder 解釋
雙梁
  • dual : adj. 二的；二重的；二體的；二元的。 dual personality 雙重人格。n. 【語法】雙數；【數學】對偶。 the D- Monarchy 雙重君主國〈指第一次世界大戰前的奧匈帝國〉。
  • girder : n. 【建築】縱梁，大樑，撐柱，撐桿，大型工字梁。 a framed girder構桁。adj. -less
  1. This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge

    摘要介紹了拉薩河特大橋主橋結構設計情況，對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系桿截面形式等設計中的關鍵性問題進行了深入的研究，給出了主橋連續梁系桿的剛度和應力情況、鋼管混凝土拱的應力情況。
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