By using the methods of theoretic analysis, model experiment and spot test, the mechanical condition of tunnel bed, the mechanism of tunnel bed disease and the treatment measures are studied.
运用理论分析及模型试验和现场试验的方法，对铁路隧道基底结构的受力状态、病害产生的机理以及病害的整治措施进行研究。
The paper studies the change of tideland after the century inning by method of "artificial transformation" forecast and moveable bed model based on the analysis of the bed evolution data.
文章在河床演变资料分析的基础上，采取“人工变形”预测与大范围动床模型试验预测等手段研究了世纪丘围涂工程实施后堤外高滩的变化。
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