In the same drainage conditions, the structure strength grows correspondingly with the time, faster in the early, later stabilized.

在同一排水条件下，随着时间的增长，结构强度相应增长，前期增速快，后期基本趋于稳定。

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Design recommendations are given for three aspects of a broad sleeper railroad. including structure, materials, and drainage.

从道床厚度、道床结构与材料、排水三方面论述了混凝土宽枕道床的设计；

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Lishi tunnel is the first loess multi-arch tunnel in China. The designs of the tunnel are briefly introduced, including lining structure, prevention drainage treatments and construction process.

离石隧道是我国第一座黄土连拱隧道，简要介绍了该隧道的衬砌结构、防排水处理、施工工序等的设计概况。

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