珠海大道前山大桥段拓宽改造方案剖析

Analysis of Widening & Reforming Scheme of Qianshan Bridge Section of Zhuhai Avenue

珠海大道是贯穿珠海东西向的重要通道。前山大桥位于珠海大道的入城段,其拓宽改造涉及前山大桥以及接线路基段。通过对前山大桥拓宽改造的总体规模以及前山大桥段的拓宽方案剖析,涉及接线段及桥梁拓宽规模、通航标准选择、桥梁结构形式、建成后驾乘感受等内容。经分析比较,推荐现行条件下合理的设计方案。为涉及通航的老桥拓宽改造项目提供参考。

Zhuhai Ave. is an important passage through the east-west direction of Zhuhai.Qianshan Bridge is located in the entrance section of Zhuhai Ave. to the city. The widening & reforming of is covering Qianshan Bridge and its connecting road subgrade section. Through the analysis of the overall scale of the reconstruction of Qianshan Bridge and the widening scheme of Qianshan Bridge section, it involves such aspects as the connecting section and the bridge widening scale, the selection of navigable standards, and the type of the bridge structure and the feeling of driving after its completion. After analysis & comparison, the appropriate design under the current conditions is recommended, which can provide references for the old bridge widening & reforming project involving the navigation problem.