本文已被:浏览 859次 下载 832次 |
|
|
基于边坡锚固荷载监测数据的反分析 |
赵明阶1,谢鑫2,汪魁1
|
1. 重庆交通大学,河海学院,重庆,400074 2. 江西省峡江水利枢纽工程管理局,江西,吉安,343000
|
|
摘要: |
对于施加锚固作用的边坡处治工程,其监测数据主要是以锚固荷载为主,通常的位移监测只是针对边坡表面结构,不能客观反映边坡内部岩土体的力学效应.故基于锚固荷载监测数据的反分析方法将成为位移反分析方法的有益补充.通过分析预应力锚杆的力学效应,将锚固荷载转化为锚杆轴力,利用ANSYS参数化设计语言(APDL)对边坡锚固荷载进行优化反分析.根据反演获得的岩土体力学参数可用于边坡稳定性分析.实例计算结果表明,基于锚固监测数据建立反分析的途径是可行的. |
关键词: 反分析 预应力锚杆 锚固荷载 ANSYS参数化设计语言 |
DOI: |
分类号:TU457 |
基金项目:教育部重点科技项目(03113) |
|
Back analysis based on slope anchor load monitoring data |
ZHAO Ming-jie1,XIE Xing2,WANG Kui1
|
ZHAO Ming-jie1,XIE Xing2,WANG Kui1(1.Department of River & Sea,Chongqing Jiaotong University,Chongqing 400074,China,2.Jiangxi Xiajiang Hydro Project Authority,Ji'an 343000,China)
|
Abstract: |
For the slope with the anchor,the anchor load is the main monitoring data,and usually displacement monitoring is only for the slope surface structure,which can not objectively reflect mechanical effects of rock and soil in the slope.Therefore,the back analysis method based on anchor load monitoring data will become a useful supplement against the displacement back analysis method.In this paper,by analyzing the mechanical effect of prestressed anchor and by expressing the anchor load as the axial force,the o... |
Key words: back analysis prestressed anchor anchor load ANSYS parametric design language |