|本期目录/Table of Contents|

[1]何永波,李青,张宁,等.RBF神经网络可靠度分析方法在边坡稳定性研究中的应用[J].中国安全生产科学技术,2019,15(7):130-136.[doi:10.11731/j.issn.1673-193x.2019.07.021]
　HE Yongbo,LI Qing,ZHANG Ning,et al.Application of RBF neural network reliability analysis method in slope stability research[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(7):130-136.[doi:10.11731/j.issn.1673-193x.2019.07.021]
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RBF神经网络可靠度分析方法在边坡稳定性研究中的应用
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年7期
页码:
130-136
栏目:
职业安全卫生管理与技术
出版日期:
2019-07-31

文章信息/Info

Title:
Application of RBF neural network reliability analysis method in slope stability research
文章编号:
1673-193X(2019)-07-0130-07
作者:
何永波; 李青; 张宁; 李闯将
(中国计量大学 灾害监测技术与仪器国家地方联合工程实验室，浙江 杭州 310018)
Author(s):
HE Yongbo;  LI Qing;  ZHANG Ning;  LI Chuangjiang
(National and Local Joint Engineering Laboratories for Disaster Monitoring Technologies and Instruments, China Jiliang University, Hangzhou Zhejiang 310018, China)
关键词:
边坡可靠度; 径向基函数神经网络; 粒子群; 强度折减法; 蒙特卡罗; 失稳概率
Keywords:
slope reliability;  radial basis function (RBF) neural network;  particle swarm;  strength reduction method;  Monte Carlo;  instability probability
分类号:
TP183
DOI:
10.11731/j.issn.1673-193x.2019.07.021
文献标志码:
A
摘要:
针对边坡稳定性可靠度分析，当状态函数无法显式表达且传统计算方法求解复杂问题困难时，提出一种基于ABAQUS和粒子群优化径向基函数神经网络的可靠度分析方法。基于ABAQUS的强度折减方法计算所选随机变量对应的安全系数，利用径向基函数神经网络的数据拟合功能，建立模型并映射出安全系数和随机变量之间的关系，构造响应面功能函数；利用蒙特卡罗生成的大量随机样本代入功能函数得到相应的安全系数，进而计算边坡的失稳概率和可靠度指标来反映边坡稳定性。研究结果表明：相对于传统方法，本文方法计算效率更高、误差更小，适合实际工程应用。
Abstract:
For the reliability analysis of slope stability, when the state function cannot be explicitly expressed and the traditional calculation method is difficult to solve complex problems, a reliability analysis method based on ABAQUS and particle swarm optimization radial basis function (RBF) neural network was proposed. The strength reduction method based on ABAQUS was used to calculate the safety coefficient corresponding to the selected random variable. The data fitting function of the RBF neural network was used to establish the model and map the relationship between the safety coefficient and the random variable, so as to construct the response performance function. The large number of random samples generated by Monte Carlo were substituted into the performance function to obtain the corresponding safety coefficient, and then the instability probability and reliability index of the slope were calculated to reflect the slope stability. The results showed that compared with the traditional methods, this method was more efficient and less errororiented, which is suitable for the practical engineering application.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2019-03-26
* 基金项目： 国家重点研发计划课题项目（2017YFC0804604）；浙江省重点研发计划项目（2018C03040）；国家质量监督检验检疫总局科技计划项目（2017QK053）
作者简介： 何永波，硕士研究生，主要研究方向为边坡稳定性及滑坡风险评价。
通信作者： 李青，本科，教授，主要研究方向为传感技术、灾害监测。
更新日期/Last Update: 2019-08-07