This paper briefly introduces the grading of Qingshuihe Test Section on Qinghai-Xizang Railway and the diseases of the subgrade occurred after one freeze-thaw cycle, makes primary analysis on existing problems, and puts forward some methods for the grading in the permafrost zones on continental plateau.

  • 简要介绍了青藏铁路试验段路基的施工过程,及一个冻融周期后路基所出现的病害,对所存在的问题进行了初步分析,并提出了高原冻土地区路基施工的一些方法。

  • 互联网摘选 2025-01-20 12:57:51

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