|本期目录/Table of Contents|

[1]刘悦,黄强兵.模拟堆载作用的黄土边坡土体变形机理试验[J].地球科学与环境学报,2007,29(02):183-187.
 LIU Yue,HUANG Qiang-bing.Test Study for Simulating Soil Deformation Mechanism of Loess Slope Under Load Condition[J].Journal of Earth Sciences and Environment,2007,29(02):183-187.
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模拟堆载作用的黄土边坡土体变形机理试验(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第29卷
期数:
2007年第02期
页码:
183-187
栏目:
水资源与地质工程
出版日期:
2007-06-15

文章信息/Info

Title:
Test Study for Simulating Soil Deformation Mechanism of Loess Slope Under Load Condition
作者:
刘悦1黄强兵2
1.长安大学环境科学与工程学院,陕西西安710054;2.长安大学地质工程与测绘学院,陕西西安710054
Author(s):
LIU Yue1HUANG Qiang-bing2
1. School of Environmental Sciences and Engineering, Changan University, Xian 710054, Shaanxi, China; 2. School of Geological Engineering and Surveying, Changan University, Xian 710054, Shaanxi, China
关键词:
黄土边坡变形机理堆载三轴试验
Keywords:
loess slope deformation mechanism load triaxial test
分类号:
P642.2
DOI:
-
文献标志码:
A
摘要:
通过固结不排水剪试验,研究了堆载作用下不同深度、含水量和围压的原状黄土的变形和破坏特征,并从 黄土的微观结构角度分析了产生这一现象的原因,结合黄土边坡特殊的工程地质条件,分析了堆载作用下黄土 边坡土体的变形破坏过程。试验结果表明,不同深度、含水量和围压的原状黄土的应力应变曲线和抗剪强度具 有不同的特征;特殊的工程地质条件,使黄土坡体的某些部位形成了堆载作用下不利于黄土材料强度保持的含 水量和围压的组合,导致了这些部位黄土的变形破坏,进而诱发坡体的变形破坏。
Abstract:
By means of triaxial compression test, the characteristics of deformation and failure of the natural loess which is sampled from the different depth of slope and has different confining pressure and moisture content are researched, and the reasons are analyzed according to the microstructure of loess samples. According to the above results, the process of deformation and failure of the loess slope under load condition are explained. The test results show that the natural loess which is sampled from the different depth of slope and has different confining pressure and moisture content have the different characteristics of stress-stain curves and the shear strength. The special conditions of engineering geology of loess slope result in the combination of moisture content and confining pressure that is adverse to maintain the strength of loess, this can result in the failure of loess and loess slope.

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备注/Memo

备注/Memo:
收稿日期:2006-11-17 基金项目:交通部重点科技项目(95-05-05-13);长安大学科学基金项目(06Q15) 作者简介:刘悦(1973-),女,陕西西安人,讲师,博士,从事环境科学与地质灾害防治研究。E-mail:liuyuehqb@163.com
更新日期/Last Update: 1900-01-01