| 九甸峡水库区地质构造特征与库岸稳定性关系 |
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| 引用本文： | 张海元. 九甸峡水库区地质构造特征与库岸稳定性关系[J]. 甘肃地质, 2001, 10(1): 90-95 |
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| 作者姓名： | 张海元 |
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| 作者单位： | 甘肃省水利水电勘测设计研究院第三总队,甘肃,陇西,748000 |
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| 摘 要： | 九甸峡水库区滑坡、滑塌、卸荷变形现象分布很普遍。它的发生是地形地貌、岩性与地质构造、水文地质条件及水文、气象等综合作用的结果 ,尤其与地质构造之间有着密切的关系。以地质构造为主要表征的岸坡地质结构是库岸稳定与否的决定因素 ,暴雨、洪水、地下水及蓄水后的库水浮托力、河水位的骤然消涨等是库岸失稳的诱发因素 ,查清库区地质构造的发育分布特征 ,对于准确评价库岸稳定 ,合理估价水库效益有重要的实际意义。
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| 关 键 词： | 九甸峡水库 库岸稳定性 影响因素 地质构造 |
THE RELATION BETWEEN GEOLOGY STRUCTURE CHARACTERISTICS AND STABILITY OF RESERVOIR BANK IN JIUDIANXIA |
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| ZHANG Hai yuan. THE RELATION BETWEEN GEOLOGY STRUCTURE CHARACTERISTICS AND STABILITY OF RESERVOIR BANK IN JIUDIANXIA[J]. Acta Geologica Gansu, 2001, 10(1): 90-95 |
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| Authors: | ZHANG Hai yuan |
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| Affiliation: | ZHANG Hai yuan (The 3rd Party of Hydroelectric Scheme Institute of Gansu Province,Longxi,748000,China) |
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| Abstract: | Landslip,slump and stress-release deformation are very widespread in jiudianxia reservoir area.Its take place is a comprehensive result of landform,lithology,geological structure,hydrogeologic setling,meteorology and so on.Especially,it has a close relation with geologic structure.It is a decisive factor that geological structure determine that the reservoir bank is stable or not,and it is a induced factor that rainstorm,flood,underground water and buoyancy after reservoir water storage,and its growth and decline of water table.To make a thorogh investigation of the characteristics of geological structure and its developmend and distribution in reservoir area,it has a very important significance for eraluating the stability of reservoir bank and the benefit of it. |
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| Keywords: | Jiudianxia reservoir Stability of reservoir bank Influence factor Geological structure |
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