The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.
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2. 简要介绍了洪家渡水电站混凝土面板堆石坝面板接缝止水的结构形式、施工方法及施工工艺。
A brief introduction is made on the structure of slab joint seal for the concrete slab rockfill dam of Hongjiadu hydropower plant.
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3. 洪家渡面板堆石坝处于高山峡谷岩溶地区，左岸边坡陡峻。
The concrete face rockfill dam of Hongjiadu Hydropower Station located in deep mountain gorge of karst district, its left bank is high bluff side.
The type of concrete face rockfill dam has been more and more used in the hydro project, but the large flow flood discharge still needs to improve and resolve for the dam type.
The type of concrete face rockfill dam has been more and more used in the hydro project, but the large flow flood discharge still needs to improve and resolve for the dam type.
