为探索透壁通风管在青藏铁路路基中的实际作用效果而进行了青藏铁路透壁通风管路基初步试验。
In order to study the roadbed cooling effect of the perforated ventilation pipes, a comparative experiment has been conducted with both ordinary and perforated ventilation pipes.
基于青藏铁路北麓河试验段两个监测断面的地温监测资料，分析了修筑高路基后下伏土层的热状况变化特征。
Based on observed data of two monitoring sections in Beiluhe test site of Qing-Zang Railway, the characteristics of underlying ground thermal regime after constructing high embankment are analyzed.
然而青藏铁路仍有大量路段未采用任何工程措施，因此修筑普通路基后冻土变化也是普遍关心的问题。
However, not all measures can be taken in many sections of the Qinghai-Tibet Railway; therefore, the variation of permafrost under an ordinary embankment must be paid attention to after construction.
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