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头屯河水库除险加固工程人行交通桥标准跨度40m,上部结构为钢结构,下部结构初步设计为高桥墩和混凝土扩大基础,施工图阶段基础优化为混凝土灌注桩基础,同时对桥墩体型进行优化。文章介绍了交通桥下部结构优化方案的主要设计情况和计算方法并与初步设计方案进行经济对比。
Totunhe reservoir reinforcement project pedestrian crossing traffic standard bridge span of 40m, the upper structure of steel, the lower part of the initial design for the high piers and concrete to expand the foundation, the foundation of the construction phase diagram optimization of concrete piles foundation, while the pier body shape optimization . The article introduces the main design and calculation methods of the optimization scheme of the traffic bridge lower structure and economic comparison with the preliminary design scheme.