With national construct of express highway quickly developing, it requires bridge structures higher and higher.
我国高速公路网的建设飞速进行，对桥梁结构的要求越来越高。
2
The highway engineer must determine the most suitable location, layout, and capacity of the new routes and structures.
公路工程师必须确定最合适的位置、布局和新线新结构的通行能力。
3
A substructure method for the analysis of a highway bridge, considering interaction of group piles-soil-spaced bridge structures, is discussed in detail.