遂道洞口施工弹塑性数值自动监测方法研究  

Study on elastoplastic numerical automatic monitoring method for tunnel entrance construction

作　　者：王德俊 WANG Dejun(Zhurrtadian Lutong Engineering Supervision Consulting Co.,Ltd.,Zhumadian Henan 463000,China)

机构地区：[1]驻马店路通工程监理咨询有限公司

出　　处：《自动化与仪器仪表》2020年第1期200-203,共4页Automation & Instrumentation

基　　金：国家电网公司科技项目(No.PD72-17-006)

摘　　要：为了提高遂道洞口施工弹塑性数值自动监测能力,提出基于结构参数和荷载识别的遂道洞口施工弹塑性数值自动监测方法。构建遂道洞口施工弹塑性数值监测模型,采用线性和非线性结构的参数联合辨识方法进行遂道洞口施工弹塑性应力参数测试,提取遂道洞口的损伤参数和力矩参数,分析遂道洞口的荷载-变形模式,计算遂道洞口施工弹塑性数值的薄膜效应阶段荷载-位移特征量,采用结构参数和荷载识别方法进行遂道洞口施工弹塑性数值自动监测。仿真结果表明,采用该方法进行遂道洞口施工弹塑性数值自动监测的准确性较高,实时监测能力较好,提高了遂道洞口施工弹塑性数值分析能力。In order to improve the elastic-plastic numerical automatic monitoring ability of tunnel entrance construction,an elastic-plastic numerical automatic monitoring method based on structural parameters and load identification is proposed.The elastic-plastic numerical monitoring model of tunnel entrance construction is constructed,and the elastic-plastic stress parameters of tunnel entrance construction are tested by using the joint identification method of linear and nonlinear structure parameters,and the damage parameters and moment parameters of tunnel entrance are extracted.The load-deformation mode of the tunnel entrance is analyzed,and the load-displacement characteristic quantity of the elastic-plastic effect stage of the tunnel entrance construction is calculated.The structural parameters and load identification method are used to automatically monitor the elastic-plastic numerical value of the tunnel entrance construction.The simulation results show that the accuracy of elastic-plastic numerical automatic monitoring of tunnel entrance construction is high,the real-time monitoring ability is better,and the elastic-plastic numerical analysis ability of tunnel entrance construction is improved.

关 键 词：弹塑性数值 自动监测 测试模型 信息融合 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]