Each module under tension, about 30m diameter - filled with 3700 cubic meters of air - develops in space with an arch-like form.
每个模块在充气状态下直径30米，充满3700立方米的空气，呈拱状。
2
The problem of the effect on the initial stress to the bearing capacity of the concrete-filled steel tube (CFST)arch bridge are constantly concerned by bridge engineers.
钢管初应力对钢管砼拱桥承载力影响一直是工程界关注的问题。
3
A method is presented to analyze the behavior of concrete-filled steel tubular (CFST) arch, which considers the material and geometric nonlinear property, and a finite element program.