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。
2.
To solve horizontal thrust at arch feet and rheological change in soft soil is the first problem for arch bridge construction on soft soil ground 在软土地基上建造拱桥首先要解决拱脚处的水平推力以及软土地基的流变问题。
