| 高寒地区隧道的冻害机理综述 |
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| 作者单位： | 石家庄铁路职业技术学院 河北石家庄050041(王海彦，周敏娟)，张家口市宣化区交通局 河北张家口075100(冯雪芹) |
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| 摘 要： | 简述衬砌混凝土的冰冻破坏、局部存水冻胀破坏、冻胀性围岩冻胀破坏以及既有裂缝裂隙水的冻胀破坏等因素对高寒地区隧道的冻害机理。
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| 关 键 词： | 隧道 围岩 高寒地区 冻害机理 |
On the Frost Action Mechanism of Tunnels in Severe Cold Districts |
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| Wang Haiyan) Zhou Minjuan) Feng Xueqin). On the Frost Action Mechanism of Tunnels in Severe Cold Districts[J]. , 2007, 0(2) |
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| Authors: | Wang Haiyan) Zhou Minjuan) Feng Xueqin) |
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| Affiliation: | Shijiazhuang Institute of Railway Technology1) Shijiazhuang Hebei 050041 Xuanhua Traffic Bureau of Zhangjiakou2) Zhangjiakou Hebei 075100 China) |
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| Abstract: | This paper mainly analyses some factors such as frost damage on lining concrete, frost heaving damage caused by partial accumulated water, frost heaving damage on surrounding rock and frost heaving damage caused by existing fissure water on the frost action mechanism of tunnels in severe cold districts. |
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| Keywords: | tunnel surrounding rock severe cold district frost action mechanism |
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