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桥梁建筑物包括桥孔主体工程,桥头引道和必要的调治构造物,它们的布设与桥位河段的水文、地质、地形特点密切相关。桥梁建筑物既要满足宣泄洪水,保证公路运输畅通的要求;又要符合工程省、造价低的原则。笔者现分析泾河、渭河流域几座桥梁的水毁事故,并就变迁性河段桥梁修建与管养应注意的问题,粗浅地谈点个人认识。
The bridge structures include the main body of bridge openings, bridge approach roads and necessary control structures. Their layout is closely related to the hydrological, geological and topographical features of the bridge sections. Bridge building not only to meet the catharsis flood, to ensure smooth road transport requirements; but also in line with the project province, the principle of low cost. The author now analyzes the Jinghe, Weihe River Basin bridges several water damage accident, and the transition of the river bridge construction and management should pay attention to the problem, to talk briefly about personal understanding.