在拱桥拱圈上设置小拱，横墙或支柱来支撑桥面系，从而减轻桥梁恒载并增大桥梁泻水面积者称为空腹拱桥。
利用这组方程，就几类典型的空腹拱桥，分析了桥面系对拱的振动的影响，并提出一种实用的工程计算方法。
Using this set of equations, the internal forces of the complicated multi-paneled arch bridge induced by earthquake can be determined by the proposed practical method.
福州市尤溪洲闽江大桥是国内首座在拱肋（圈）上不设立柱和斜撑的空腹式刚架拱桥。
Youxizhou Mingjiang Bridge of Fuzhou is the first open-spandrel rigid-frame arch bridge without vertical columns and oblique supports.
空腹式拱桥是指主拱圈和主梁之间用立柱支撑，在主拱圈以上设有腹拱的拱桥。
Empty arch bridge is the arch bridge that USES sign pillar to prop up between the main arch and main beam, and has inner-arch on the main arch.
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