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The Qinghai–Tibet Highway (QTH) in China has been experiencing a serious embankment settlement/heave for more than half a century. The settlement/heave is resulted from several mechanical processes taking place in different soil layers. In this paper, four typical settlement/heave patterns of road embankments in permafrost regions, namely “steady-low rate”, “fluctuate”, “down step” and “steady-high...
Ground temperature and settlement at different soil layers are monitored at four typical sections of the Qinghai–Tibet Highway (QTH) and one section of a newly built test road (NBTR) in Beilu River basin, for the purpose of extensive investigation on the rather complicated mechanism of embankment settlement owing to several physical and mechanical processes (i.e., settlement sources) taking place...
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