离石高架桥初步设计

Primary design of Lishi viaduct

以离石高架桥为例,简要介绍了该桥的主要技术标准,综合考虑影响桥跨布置的各种因素,对离石高架桥提出的三种桥跨、五种桥型方案进行了分析比选,最终设计推荐双塔矮塔斜拉桥方案为该桥的实施方案。

Taking Lishi viaduct works as example major technical indexes of this viaduct are briefly introduced. Various factors influencing the setting of span are comprehensively taken in considerations. Three spans and five bridge shapes are comparatively analyzed and selected. In the end scheme of dwarf double-tower cable-stayed bridge is recommended for practice.