| 张志军,王希贤,伍玲玲,章求才,贺桂成,喻清.湖南省湘西州某红层边坡稳定性分析及加固措施[J].南华大学学报(自然科学版),2022,(1):1~6.[ZHANG Zhijun,WANG Xixian,WU Lingling,ZHANG Qiucai,HE Guicheng,YU Qing.Stability Analysis and Reinforcement Measures of a Red Bed Slope in Xiangxi Prefecture, Hunan Province[J].Journal of University of South China(Science and Technology),2022,(1):1~6.] |
| 湖南省湘西州某红层边坡稳定性分析及加固措施 |
| Stability Analysis and Reinforcement Measures of a Red Bed Slope in Xiangxi Prefecture, Hunan Province |
| 投稿时间：2021-10-11 |
| DOI：10.19431/j.cnki.1673-0062.2022.01.001 |
| 中文关键词: 体积应变 稳定性分析 安全系数 加固措施 |
| 英文关键词:volumetric strain stability analysis safety factor reinforcement measures |
| 基金项目:国家自然科学基金资助项目(51774187;51804164;51974163);湖南省自然科学基金项目(2019JJ50498);湖南省高新技术产业科技创新引领计划项目(2020SK2024);湖南省教育厅科研基金项目(18B276) |
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| 中文摘要: |
| 为了研究泸溪县兴隆场镇总管村2组都岚山红层滑坡稳定性,采用Geo-Studio软件对其安全系数和内部应力应变情况进行分析。分析结果如下:利用Sigma/W模块发现该红层边坡在坡脚和坡顶中下部存在水平应力集中现象,水平应变分布则是两端大中间小,体积应变表现为边坡上缘应变较大而下缘较小;将Sigma/W分析结果导入Slope/W,得到更加符合实际边坡的安全系数为1.137,由此可以判断该边坡整体暂时处于稳定状态;将水平应力分布、水平位移分布、水平应变分布、体积应变和安全系数结合起来分析,精确地判断该红层边坡处于整体稳定,坡度较高区域局部可能浅层牵引滑塌,弥补了单纯依靠极限平衡法或者有限单元法的不足。 |
| 英文摘要: |
| In order to study the stability of dulanshan red bed landslide in group 2, Zongguan village, Xinglongchang Town, Luxi County, Geo-Studio software is used to analyze its safety factor and internal stress-strain. The analysis results are as follows:using Sigma/W module, it is found that there is horizontal stress concentration in the middle and lower part of the slope toe and slope top, the distribution of horizontal strain and horizontal displacement is large at both ends and small in the middle, and the volumetric strain is large at the upper edge of the slope and small at the lower edge; By importing the Sigma/W analysis results into Slope/W, it is more in line with the actual slope, and the safety factor is 1.137, therefore, it can be judged that the slope is temporarily stable; The horizontal stress distribution, horizontal displacement distribution, horizontal strain distribution, volumetric strain and safety factor are combined to accurately judge that the red bed slope is in overall stability, and shallow traction collapse may occur in some areas with high slope, which makes up for the deficiency of relying solely on limit equilibrium method or finite element method. |
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