Cold regions cover 50% of the world's total land area. All transportation infrastructures in cold regions face great technical challenges due to ground freeze-thaw or permafrost degradation. New transportation infrastructure on embankments, such as high-speed railways on slab tracks or highways, requires high geometry standards. In China, the Qinghai-Tibet Railway has been in operation for more than 6 years but now faces issues due to permafrost degradation. More challenging technical problems will arise as more transportation infrastructure, such as highways, is being planned and/or constructed in Northwest and Northeastern China, Russia as well as the North America.
09月24日
2015
10月26日
2015
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2017年07月06日 中国 Guide,China
The 3rd International Symposium on Transportation Soil Engineering in Cold Regions2013年10月10日 中国 西宁市
第一届寒区路基工程国际研讨会
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