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.
圆管或方管内填充另一种工程材料构成的组合截面构件(如钢管混凝土)在工程结构中得到了广泛的应用。
Combined section columns which are made of a circular or a square tube filled with another material are used widely in engineering structures, such as concrete filled tube.
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.
分析了液态混凝土压强对钢管结构的作用，指出了哑铃形钢管拱先圆管后腹腔灌注顺序的合理性，提出了缀板采用对拉杆加固的方案，并分析了对拉杆间距、直径、材质等对缀板位移和应力的影响。
The schemes of reinforcing batten plates by tie bars are put forward and the effects of the space, diameter and types of tie bar on displacement and stress of batten plates are analyzed.
分析了液态混凝土压强对钢管结构的作用，指出了哑铃形钢管拱先圆管后腹腔灌注顺序的合理性，提出了缀板采用对拉杆加固的方案，并分析了对拉杆间距、直径、材质等对缀板位移和应力的影响。
The schemes of reinforcing batten plates by tie bars are put forward and the effects of the space, diameter and types of tie bar on displacement and stress of batten plates are analyzed.
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