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.
计算结果表明，青藏铁路临界翻车风速随海拔升高而增大，随冻土路基病害出现而降低。
The result indicates that the critical vehicle turnover wind speed increases with the rise of elevation and decreases with the appearance of roadbed disease of frozen area.
结合青藏铁路基础和墩石施工，阐述耐久性混凝土的施工要点。
A description is given of key points for construction of durable concrete for fo undations and bridge piers.
建设中的青藏铁路将穿越大片高温、富冰多年冻土地段，因此面临严峻的路基稳定问题。
Qinghai-Tibetan Railway roadbed being building will go through large area of the high-temperature and ice-rich permafrost, so the problem of roadbed stability will be an austerity challenge.
建设中的青藏铁路将穿越大片高温、富冰多年冻土地段，因此面临严峻的路基稳定问题。
Qinghai-Tibetan Railway roadbed being building will go through large area of the high-temperature and ice-rich permafrost, so the problem of roadbed stability will be an austerity challenge.
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