主拱 meaning in English
main arch
principal arch
Examples
- The zhaozhou bridge built in the daye period ( 605a.d.-618a.d. ) of the sui dynasty ( 581a.d.- 618a.d. ) , with a clear span of 37 metres and small arches within the main arch , was the earliest spandrel arch bridge and also the longest stone arch bridge in the world .
中国隋朝大业年间（公元605-618年）建成的赵州桥，净跨37米，主拱圈上敷设小拱，是世界上最早的空腹拱桥，也是当时世界上跨度最大的石拱桥。 - Ultimate load - carrying capacity of steel - tube truss rib arch bridge
空钢管桁肋式拱桥主拱部分极限承载力分析 - Optimum design of a rigidity over line arch bridge main circle construction project
跨线刚拱桥主拱圈施工方案优化设计 - Construction of main arch ribs in half - through reinforced concrete tied arch bridge
中承式钢筋混凝土系杆拱桥主拱肋施工 - Arch rib is the key point during the process of the long - span concrete - filled steel tube arch bridge construction
主拱肋施工是大跨度钢管混凝土拱桥施工的关键环节。