主要研究内容包括：(1)对国内外几种主要规范中钢筋混凝土圆管涵的内力计算方法进行了分析、比较、评价。
Several internal force computational methods of the reinforced concrete culvert pipe in the domestic and foreign main standards are compared, analyzed, Appraised.
埋设在高等级公路中的钢筋混凝土圆管涵属于上埋式管涵，作用于其上的竖向土压力影响因素繁多，分析极其复杂。
There are many factors to influence the vertical earth pressure on the reinforced concrete culvert, so it is very difficult for the analysis.
钢筋混凝土盖板涵、圆管涵和合金钢波管涵等都适应于多年冻土地区。
Rc slab culvert, circular culvert and alloy steel corrugated culvert are applicable to the secular frozen earth area.
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