淤地坝淤积高度对斜坡稳定性影响的定量评估
为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统（GIS）的斜坡稳定性模型（SINMAP）,根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝淤积至不同高度时的斜坡稳定性。研究发现,随着流域淤地坝系淤积高度的增加,流域极不稳定区域逐渐减少,而极稳定性区域逐渐增加。随着淤积高度的增加,陡坡区域（坡度〉45°）所占比例逐步减少,且与极不稳定性区域的减少呈线性相关。该文总结了淤地坝淤积过程中的＂淹没效应＂,泥沙的淤积,不仅改变了流域坡度组成、缩短了坡长,而且改变了流域的土地利用等因子。该研究可为淤地坝建设提供参考。...
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| Published in | 农业工程学报 Vol. 28; no. 16; pp. 127 - 132 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安理工大学西北水资源与环境生态教育部重点实验室,西安710048%西安理工大学西北水资源与环境生态教育部重点实验室,西安,710048%水利部黄河水利委员会黄河上中游管理局,西安,710021
2012
中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌,712100%中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌712100 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2012.16.020 |
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| Abstract | 为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统（GIS）的斜坡稳定性模型（SINMAP）,根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝淤积至不同高度时的斜坡稳定性。研究发现,随着流域淤地坝系淤积高度的增加,流域极不稳定区域逐渐减少,而极稳定性区域逐渐增加。随着淤积高度的增加,陡坡区域（坡度〉45°）所占比例逐步减少,且与极不稳定性区域的减少呈线性相关。该文总结了淤地坝淤积过程中的＂淹没效应＂,泥沙的淤积,不仅改变了流域坡度组成、缩短了坡长,而且改变了流域的土地利用等因子。该研究可为淤地坝建设提供参考。 |
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| AbstractList | S157.1; 为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统(GIS)的斜坡稳定性模型(SINMAP),根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝淤积至不同高度时的斜坡稳定性.研究发现,随着流域淤地坝系淤积高度的增加,流域极不稳定区域逐渐减少,而极稳定性区域逐渐增加.随着淤积高度的增加,陡坡区域(坡度＞45°)所占比例逐步减少,且与极不稳定性区域的减少呈线性相关.该文总结了淤地坝淤积过程中的“淹没效应”,泥沙的淤积,不仅改变了流域坡度组成、缩短了坡长,而且改变了流域的土地利用等因子.该研究可为淤地坝建设提供参考. 为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统（GIS）的斜坡稳定性模型（SINMAP）,根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝淤积至不同高度时的斜坡稳定性。研究发现,随着流域淤地坝系淤积高度的增加,流域极不稳定区域逐渐减少,而极稳定性区域逐渐增加。随着淤积高度的增加,陡坡区域（坡度〉45°）所占比例逐步减少,且与极不稳定性区域的减少呈线性相关。该文总结了淤地坝淤积过程中的＂淹没效应＂,泥沙的淤积,不仅改变了流域坡度组成、缩短了坡长,而且改变了流域的土地利用等因子。该研究可为淤地坝建设提供参考。 |
| Author | 高海东 李占斌 李鹏 贾莲莲 |
| AuthorAffiliation | 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌712100 西安理工大学西北水资源与环境生态教育部重点实验室,西安710048 水利部黄河水利委员会黄河上中游管理局,西安710021 |
| AuthorAffiliation_xml | – name: 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌,712100%中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌712100;西安理工大学西北水资源与环境生态教育部重点实验室,西安710048%西安理工大学西北水资源与环境生态教育部重点实验室,西安,710048%水利部黄河水利委员会黄河上中游管理局,西安,710021 |
| Author_FL | Gao Haidong Jia Lianlian Li Zhanbin Li Peng |
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| ClassificationCodes | S157.1 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1002-6819.2012.16.020 |
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| DocumentTitleAlternate | Quantitative evaluation of slope stability on check-dams at different siltation heights |
| DocumentTitle_FL | Quantitative evaluation of slope stability on check-dams at different siltation heights |
| EndPage | 132 |
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| Keywords | 斜坡稳定性 流域 坝 重力侵蚀 SINMAP |
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| Notes | 11-2047/S watersheds, slope stability, dams, SINMAP model, gravitational erosion Gao Haidong, Li Zhanbin, Li Peng,Jia Lianlian （1. State Key Laboratory of Soil Erosion and Dry/and Agriculture on Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, China; 2. Key Lab of Northwest Water Resources and Environment Ecology of Ministry, Education at Xi＇an University of Technology, Xi ＇an 710048, China; 3. Upper and Middle Yellow River Bureau, Yellow River Conservancy Commission, Ministry of Water Resources, Xi＇an 710021, China） To evaluate the effects of check dams on slope stability, slope stability model based on GIS was adopted in this study. According to the measured soil mechanics parameters and the data of field survey to landslide sites, the slope stability with the check dam deposited to different siltation heights were analyzed. The results showed that the defended slope zone was decreased and the stable slope zone was increased |
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| PublicationTitle | 农业工程学报 |
| PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
| PublicationTitle_FL | Transactions of the Chinese Society of Agricultural Engineering |
| PublicationYear | 2012 |
| Publisher | 西安理工大学西北水资源与环境生态教育部重点实验室,西安710048%西安理工大学西北水资源与环境生态教育部重点实验室,西安,710048%水利部黄河水利委员会黄河上中游管理局,西安,710021 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌,712100%中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌712100 |
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| Snippet | 为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统（GIS）的斜坡稳定性模型（SINMAP）,根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝淤积... S157.1; 为了评估淤地坝建设对流域斜坡稳定性的影响,该文基于地理信息系统(GIS)的斜坡稳定性模型(SINMAP),根据实测的土力学参数和野外滑坡与崩塌分布点调查,分析了淤地坝... |
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| SubjectTerms | SINMAP 坝 斜坡稳定性 流域 重力侵蚀 |
| Title | 淤地坝淤积高度对斜坡稳定性影响的定量评估 |
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