大跨度钢桥

Lage Steel Bridge

简要介绍我国大跨度钢桥的发展情况 ,钢桥的特点和采用的材料及设计理论 ,并将我国焊接桥在发展过程中的主要疲劳研究成果作了概述 。

This paper contains a brief introduction of the development of large steel bridges in China.It also introduces the characteristis of structure as well as the material and design theory used in large bridges.The recent results of investigation on the fatigue design of steel railway bridges given in this paper can be used as reference to all experts of the kind.