摘要
研制了一个具有四大功能的边坡稳定可靠度分析系统。可以对基本随机变量异常值进行剔除和从7种常用的分布函数中选出最优的拟合函数。介绍了验算点计算过程,研究了基于稳定性系数计算式为隐函数的边坡滑动模式的响应面可靠度计算方法。将各模块功能集成系统后,对系统分析结果的准确性进行了验证。作为系统部分功能的展示,分析了某边坡工程最终可靠度对基本参数的变异性和相关性的敏感性。研究结果表明,本系统具有工程实用价值和理论意义。
A stability reliability analysis system of slope was studied, and it has four functions. It can deal with parameters and do statistic analysis. The system can eliminate exceptional data in random variables and pick out the most suitable distributing function from 7 functions in common use. Calculation process of checking point was introduced. Calculation way for response surface method of reliability degree, based on sliding model of slope which stability coeffi- cient is an implicit function, was researched. The above - mentioned functions were implemented in the system and simplified flowchart of one function block was given. Accuracy of analyzed result by the system was verified. As a show of function for the system, sensitivity of reliability index to variability and pertinence of basic parameters for one slope engineering were researched. The analyzed results show that the system has engineering and theoretical meaning.
出处
《铁道科学与工程学报》
CAS
CSCD
北大核心
2008年第5期41-45,共5页
Journal of Railway Science and Engineering
基金
湖南省交通厅项目(200503)
国家自然科学基金资助项目(50378036)
关键词
边坡稳定
可靠度
程序系统
敏感性
slope stability
reliability degree
program system
sensitivity
