| 黄土高边坡稳定性影响因素分析 ——以宝鸡峡引水工程为例 |
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| 引用本文： | 王俊卿,李靖,李琦,陈立.黄土高边坡稳定性影响因素分析 ——以宝鸡峡引水工程为例[J].岩土力学,2009,30(7):2114-2118. |
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| 作者姓名： | 王俊卿 李靖 李琦 陈立 |
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| 作者单位： | 西北农林科技大学,水利与建筑工程学院,陕西,杨凌,712100 |
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| 摘 要： | 黄土高边坡稳定性受多种因素影响，对高边坡稳定性影响因素进行敏感性分析非常必要。通过建立合理的计算模型，采用灰色关联度法，对影响宝鸡峡引水工程黄土高边坡稳定性的主要因素进行了分析。结果表明，土体的内摩擦角和黏聚力对其稳定性影响最大；采用正交实验分析可知，除土体的内摩擦角、黏聚力和坡高外，地震作用对黄土高边坡稳定性的影响也较大。以上分析表明，抗剪强度指标是影响黄土高边坡稳定的主要敏感性因素，提出了在黄土高边坡稳定性分析时应尽量使抗剪强度指标的选取准确、合理，同时也应考虑边坡高度和地震的影响，进而为黄土高边坡类的工程设计和运行管理提供重要参考。
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| 关 键 词： | 黄土高边坡 灰色关联度 正交实验 |
| 收稿时间： | 2007-12-04 |
Analysis of influence factors of high slope stability of loess: Taking the Baojixia Water Division Project for example |
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| WANG Jun-qing,LI Jing,LI Qi,CHEN Li.Analysis of influence factors of high slope stability of loess: Taking the Baojixia Water Division Project for example[J].Rock and Soil Mechanics,2009,30(7):2114-2118. |
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| Authors: | WANG Jun-qing LI Jing LI Qi CHEN Li |
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| Institution: | College of Water Resources & Architectural Engineering, Northwest A & F University, Yangling 712100, China |
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| Abstract: | stability is influnced by many factors.It is necessary to study the sensitivity of influence factors of slope stability. By using reasonable computational model, and grey correlation grade method to analyze the main influence factors of the high loess slope stability in Baojixia Water Division Project. The results indicate that the angle of internal friction and cohesion are the principal factors influencing the slope stability; and by the method of orthogonal test, the results indicate that the influence of earthquake is also significant on the slope stability. All the results show that the angle of internal friction and cohesion are the principal factors influencing the slope stability; on the basis of which shearing strength should be correctly and reasonably selected. And the influence of slope height and earthquake also should be considered. Therefore, the study can provide reference for high slope of loess design, operation and management. |
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| Keywords: | high loess slope grey correlation grade orthogonal test |
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