Special-shaped tied-arch bridge, which was brought forward firstly in China, is a novel bridge type whose reasonable arch axis is dissymmetric curve as all cables are inclined to a certain slope.

• 异型系杆拱桥是我国学者提出的一种新型桥梁结构体系,其吊杆全部按一定斜率斜向布置,形成偏态的拱轴线。