[1]宋丹青,梁收运,王志强,等.九甸峡库区地质灾害发育分布及影响因素[J].山地学报,2016,(01):84-91.[doi:10.16089/j.cnki.1008-2786.000104]
　SONG Danqing,LIANG Shouyun,WANG Zhiqiang,et al.Development, Distribution and Influencing Factors of Geohazards in Jiudian Gorge Reservoir[J].Mountain Research,2016,(01):84-91.[doi:10.16089/j.cnki.1008-2786.000104]
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九甸峡库区地质灾害发育分布及影响因素()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2016年01期
页码:
84-91
栏目:
山地灾害
出版日期:
2016-02-01

文章信息/Info

Title:
Development, Distribution and Influencing Factors of Geohazards in Jiudian Gorge Reservoir
作者:
宋丹青1; 梁收运2; 王志强2; 3; 徐永福1*; 冯兴波1
1. 上海交通大学 船舶海洋与建筑工程学院，上海 200030； 2.兰州大学 土木工程与力学学院，甘肃 兰州 730000； 3.水利部 水利水电规划设计总院，北京 100081
Author(s):
SONG Danqing1; LIANG Shouyun2; WANG Zhiqiang2; 3; XU Yongfu1; FENG Xingbo1
1. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200030，China； 2. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000,Gansu,China； 3. General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources, Beijing 100081, China
关键词:
地质灾害; 分布; 发育; 影响因素; 库区
Keywords:
geohazards;  factors;  development and distribute;  reservoir
分类号:
P642.2，P694
DOI:
10.16089/j.cnki.1008-2786.000104
文献标志码:
A
摘要:
九甸峡水库蓄水后库区地质环境发生较大程度上的改变，地质灾害发育。通过对库区的多次实地调查，分析了地质灾害的发育、分布特性及其影响因素，系统地分析了库区地质灾害的主要类型。结果表明：河流对库区地质灾害的分布具有重要影响，地质灾害点的分布基本位于距离库岸3 km范围内，约有50％位于1 km范围内，随着与库岸的距离增加，表现为递减趋势；地质灾害的分布与地貌有密切的关系, 大多数地质灾害发生在高程 2 200～2 500 m，尤其是坡度30°～50°的范围内；地质灾害在流域内分布范围广、灾害点多、具有带状分布特征, 主要沿库区沿岸发生，多呈线性分布;不同的岸坡结构控制着地质灾害的发育、分布，地质灾害的类型、发育分布也与坡体结构、岩土体性质密切相关；库区滑坡和泥石流主要类型分为3类，分析了灾害形成机制，为库区地质灾害的防治提供可靠依据。
Abstract:
The geological environment had changed in large extent after the Jiudian Gorge Reservoir in Zhuoni County of Gansu Province, China impoundment with the development of geological disasters. According to the detailed field investigation for many times, this paper has analyzed properties of the development and distribution and influencing factors of geological disasters with the main types of the geological disasters was systematically analyzed at the same time. The results show that the river had influence on the distribution of the geological disasters , the distribution of geological disasters were located within the range of 3 km from river approximately fifty percent being located in the range of 1 km with showing the decreasing trend with the increasing distance of the bank. The distribution of geological disasters has close relation with topography and geomorphology, and most of the geological disaster occurred in 2 200~2 500 m, especially the slope 30°~50°. The geological disasters were widely distribution, large number, and had the characteristics of zonal distribution. The main geological disasters occurred along coast of reservoir and most of them were showed linear distribution. The different geological structure controlled the development and distribution of geological disasters of the type and distribution, and it was also closely related to the slope structure, geotechnical liquid property. The main types of landslides and debris flows in reservoir area are divided into 3 types, and the disaster formation mechanism was analyzed for providing reliable basis for the geological disaster prevention.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2015-08-31；改回日期(Accepted)：2015-09-09。 基金项目(Foundation item)：国家自然科学基金项目(41272318，41472251);国家重点基础研究发展计划(973计划)(2014CB744701)。[ The National Natural Science Foundation of China (41272318，41472251);The national key basic research and development program (2014CB744701).] 作者简介（Biography）：宋丹青(1989－)，男，博士研究生，主要从事岩土工程方面的研究工作。[Song Danqing(1989-), male, Ph D, born in Zhengzhou City，Henan Province. Mainly engaged in the research of geotechnical engineering.]
更新日期/Last Update: 1900-01-01