[1]邓睿,崔建宏,梅万波,等.都四山地轨道交通项目滑坡稳定性分析及防治对策[J].高速铁路技术,2022,13(06):101-105.[doi:10.12098/j.issn.1674-8247.2022.06.019 ]
　DENG Rui,CUI Jianhong,MEI Wanbo,et al.Stability Analysis and Countermeasures of the Landslide on the Dujiangyan-Siguniangshan Mountain Rail Transit[J].HIGH SPEED RAILWAY TECHNOLOGY,2022,13(06):101-105.[doi:10.12098/j.issn.1674-8247.2022.06.019 ]
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都四山地轨道交通项目滑坡稳定性分析及防治对策()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
13卷
期数:
2022年06期
页码:
101-105
栏目:
勘察设计
出版日期:
2022-12-20

文章信息/Info

Title:
Stability Analysis and Countermeasures of the Landslide on the Dujiangyan-Siguniangshan Mountain Rail Transit
文章编号:
1674—8247 （2022） 06—0101—05
作者:
邓睿; 崔建宏; 梅万波; 唐伟华
中铁二院工程集团有限责任公司，成都610031
Author(s):
DENG Rui; CUI Jianhong; MEI Wanbo; TANG Weihua
China Railway Eryuan Engineering Group Co. ，Ltd. ，Chengdu? 610031 ，China
关键词:
滑坡;  极限平衡法;  稳定性;  抗滑桩;  防治对策
Keywords:
landslide; limit equilibrium method; stability; anti-slide pile; prevention and control countermeasures
分类号:
U212.22
DOI:
10.12098/j.issn.1674-8247.2022.06.019
文献标志码:
A
摘要:
都江堰至四姑娘山山地轨道交通项目位于汶川地震强烈影响带内，区内震后次生重力不良地质极其发育，线路方案受其功能定位等众多因素影响难以完全绕避。本文以菜园子滑坡为例，在野外调查掌握滑坡基本地质条件的基础上，结合钻探成果对滑坡体工程地质特征及成因进行了综合分析，并通过极限平衡法对滑坡稳定性进行检算。结果表明：（1）菜园子滑坡为大型中深层牵引式滑坡，地形、岩性及堆积层物质结构特征是滑坡形成的内部因素，降雨是主要诱发因素；（2）滑坡整体处于基本稳定状态，表层局部可能发生变形失稳，结合稳定性检算成果，应先对滑坡进行加固防护处理后再施工；（3）拟采用“排水廊道+抗滑桩+监测桩”的方案对滑坡进行加固防治，以确保工程安全。
Abstract:
The Dujiangyan-Siguniangshan Mountain Rail Transit Project is located in the strong impact zone of the Wenchuan Earthquake. The unfavorable geology of secondary gravity is extremely developed after the earthquake in the area，and the alignment scheme is difficult to completely avoid due to many factors such as its functional orientation. With a case study of the landslide in Caiyuanzi，this paper comprehensively analyzes the engineering geological characteristics and causes of the landslide mass based on the basic geological conditions of the landslide and the drilling results and checks the stability of the landslide by the limit equilibrium method. The results show that：（1）Caiyuanzi landslide is a large-scale medium-deep traction landslide. The topography，lithology，and material structure characteristics of the accumulation layer are the internal factors of landslide formation，and rainfall is the main inducing factor.（2）The landslide is basically stable as a whole，and deformation and instability may occur locally on the surface layer. Combined with the stability calculation results，the landslide shall be reinforced and protected before construction.（3）It is proposed to adopt the scheme of "drainage gallery + anti - slide pile + monitoring pile" to reinforce and prevent landslides to ensure the safety of the project.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2021-09-17
作者简介：邓睿（1983-），男，高级工程师。
更新日期/Last Update: 2022-12-20