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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ice jacking ： ウィキペディア英語版 Ice jacking Ice jacking occurs when water invades a confined space in a structural support, or geologic formation, and upon freezing causes structural fracture as the ice expands. The phenomenon has been blamed for the failure of a ski gondola lift in the Canadian ski resort of Whistler, B.C.〔(Whistler reopens as officials blame ice damage for collapsed tower )〕 == Geologic engineering == Rock slope failures can occur due to the presence of water; ice jacking occurs when water between joint or fissure surfaces freezes and expands. This type of failure is progressive, resulting in incremental weakening over time, often requiring several cycles before failure.〔Xanthakos, Petros P.; Abramson, Lee W.; Bruce, Donald A. Ground Control and Improvement. (pp. 737). John Wiley & Sons.〕 This is one form of rock erosion. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ice jacking」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.