长大干线桥渡方案选择

对沿线地质、自然、人文、环境进行了分析，从结构受力、经济、景观、施工方式等方面进行了论述，提出了长大干线桥式选择的比较方法，尤其对方案的可行性进行了研究，达到了预期的效果，解决了长大干线桥式选择的问题。

On scheme selection for bridge crossing of main railway line

The paper analyzes the geology, the natural, the humanity and eavironment along the lines, illustrates from the structural stress, the economy, the landscape, and engineering ways, points out some comparing methods for the scheme selection of the main railway line bridges, and researches on the feasibility for the scheme, so as to achieve the expected effect and to solve the problems in chocking the main railway line bridge.