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.

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。

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This kind of difference in thermal state may result in asymmetric thermal regime in embankment, and underlying soil as well. As a result, possible unevenly transverse deformation may appear.

路基阴阳坡面热状况的差异会导致路基下伏土层温度场的不对称性，由此可能引起路基横向的不均匀变形。

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