The paper analyzes the factors causing the cracks happened during highway culvert pipe precasting, and brings forward the control measures accordingly.
分析了公路涵管预制裂缝产生的因素，提出了相关的控制措施。
The stress state of the circular culvert pipe under soil pressure at rest is analysed with the photoelastic simulated test of the epoxy resin model frozn.
利用环氧树脂模型进行光弹性冻结试验，模拟受填土压力作用时的土坝坝下圆型涵管的受力状态。
Several internal force computational methods of the reinforced concrete culvert pipe in the domestic and foreign main standards are compared, analyzed, Appraised.
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。
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