冰丘
- 网络Pingo;PINGOS;drumlin
冰丘-
冰椎、冰丘对铁路工程的危害及防治
Prevention of Railway Constructions from damages due to ice cone and ice dome in Permafrost Areas
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这一串又长又怪的选项菜单里包括布维岛，一个南大西洋上归属挪威的无人居住的冰丘；
The wide but rum selection includes Bouvet Island , an uninhabitable icy knoll belonging to Norway in the South Atlantic ;
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结果表明，移动冰丘能够产生11~-21MPa的轴向应力和15~-31MPa的主应力，在桥墩周围形成不同规模的应力集中区，导致桥墩发生显著偏移。
It is proved that expansion of migrating pingo can produce axis stress of 11 to-21 MPa , formed concentration of stresses and caused evident displacement and deviation of bridge pier .