八车道高架桥上下部结构选型分析

Type selection analysis of superstructure and substructure of eight-lane viaduct

某高速公路全线采用双向八车道,穿越城镇路段采用高架桥设计方案。综合考虑受力特点、施工工艺、交通影响、经济指标、景观要求等因素,对上部结构和下部结构进行综合比选,确定合理的结构型式。

The whole line of an expressway adopts two-way eight lanes,and the crossing of the town section adopts the viaduct design scheme.Considering the characteristics of stress,construction technology,traffic influence,economic indicators,landscape requirements and other factors,the superstructure and substructure are comprehensively compared to determine a reasonable structural type.