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。