分析结果表明：采用热管技术对解决冻土路基问题是一种很好的方案。
The result of analysis indicates that it is a superior solution for solving the problem of the sinking frozen earth railway roadbed by applying the heat pipe technology.
多年冻土路基温度场的公路空间效应包括路基尺度效应与路面结构效应。
The dimensional effect of temperature field in permafrost embankment was a general term for size effect of embankment and structural effect of pavement.
这些措施在一定程度上保持了冻土路基温度场的稳定解决了路基冻害问题。
These steps make the temperature field of roadbed stable and solve the problems of roadbed frozen disaster to some extent.
在多年冻土地区修建铁路，为确保冻土路基的稳定，应使路基长期处于冻结状态。
In permafrost regions, the construction of railway should keep the subgrade frozen permanently so as to maintain the stability of the frozen subgrade.
在冻土路基温度场模拟和稳定性分析中，冻土路基热物性参数的取值是至关重要的。
It's important to decide thermal parameters in simulating temperature field and analyzing stability of frozen soil roadbed.
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.
考虑多年冻土中水的相变，采用有限元进行热管保护多年冻土路基效果的三维数值分析。
Phase change of water in permafrost is considered and 3d finite element method is employed to study the cooling effect on the soil of embankments due to using thermosyphon technology.
计算结果表明，普通道碴路基的修建将使路基下冻土的温度升高，使冻土路基出现热不稳定。
The calculated results indicate that the common ballast embankment will raise permafrost temperature under the embankment base and make the permafrost embankment thermal unstable.
研究结果表明：青藏高寒铁路临界翻车风速随海拔升高而增大，而随冻土路基病害出现而降低的规律。
The result indicates that the critical wind speed of vehicle turnover increases with the elevation of the altitude and decreases with the appearance of roadbed disease at frozen soil area.
相反，在该地区年平均温度较高，路基高度也较大的情况下，冻土路基的变形较大，这也和监测结果相符合。
On the contrary, the larger railway embankment deformation will be brought if the railway embankment is high and the area has high average annual air temperature.
根据车载下冻土路基受力特征，应用虚拟裂纹的概念，并考虑了冻土特有的冰体胶结力作用，提出了路基稳定性的二维模型。
Based on the consideration of fictitious crack and the cementation force of ice in the frozen soil, the two dimensions model of frozen soil roadbed stability are proposed.
根据车载下冻土路基受力特征，应用虚拟裂纹的概念，并考虑了冻土特有的冰体胶结力作用，提出了路基稳定性的二维模型。
Based on the consideration of fictitious crack and the cementation force of ice in the frozen soil, the two dimensions model of frozen soil roadbed stability are proposed.
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