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简要介绍了青藏铁路清水河试验段拼装式钢筋混凝土矩形涵洞、圆形涵洞的施工过程 ,以及一个冻融周期后的涵洞情况 ,对所存在的问题进行了分析 ,并提出了高原多年冻土地区拼装涵洞的一些施工方法。
This paper briefly introduces the construction process of the rectangular and culverts of reinforced concrete in the Qingshuihe test section of the Qinghai-Tibet Railway and the culverts after a freeze-thaw cycle. The existing problems are analyzed, and the permafrost regions Some methods of constructing culverts.