系杆拱桥中承受拱端水平推力的拉杆称为系杆。它使拱端支座不产生水平推力，成为无推力拱，按照系杆与拱肋刚度的比较，可分为刚性系杆和柔性系杆。刚性系杆既受拉力也受压力，柔性系杆只受拉。
Another problem is that the side arch need burden after tensing the flexible tied bar.
同时由于柔性系杆的张拉，在边拱存在压重的问题。
参考来源 - “飞燕式”钢管混凝土拱桥主拱与端横梁受力分析·2,447,543篇论文数据，部分数据来源于NoteExpress
二是建议按“撑系杆体系”进行分析和设计。
Pile caps are analyzed and designed according to "strut-tie system".
浙江江山市迎宾大桥是一座三跨上承式系杆葵拱拱桥。
Yingbin bridge, located in Jiangshan, Zhejiang, is a three - span deck arch bridge spandrel arch.
系杆拱桥中吊杆索长均较短，对于短索索力的计算存在相当的难度。
The suspender cables in tie bar arch bridge are short, so it is rather difficult to calculate the short cable tension.
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