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工程科学与技术:2013,45(6):51-57
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地下洞室施工期围岩力学参数反演与力学响应超前预测自动化系统开发
(河海大学 水利水电学院)
Development of Automatic System for Inversion of Mechanical Parameters and Advanced Prediction of Mechanical Response of Surrounding Rock of Underground Cavern in the Period of Construction
(College of Water Conservancy and Hydropower Eng.,Hohai Univ.)
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投稿时间:2013-06-28    修订日期:2013-09-10
中文摘要: 围岩力学参数反演、围岩与支护结构力学响应的超前预测以及依据超前预测结果开展反馈设计是地下洞室工程信息化设计与施工中的关键技术环节。现阶段,参数反演效率较低,以及数值建模、参数反演与超前预测这一过程无法实现自动化,在很大程度上制约着信息化设计与施工的深入应用。为此,作者提出将优化效率更高的异步粒子群优化算法(APSO算法)应用于围岩力学参数反演,进而构建了地下洞室施工期围岩力学参数优化反演模型;提出文件分块与信息分组及顺序编码技术,实现了有限元正演分析数据文件的参数化自动生成与更新。在上述基础上,给出了地下洞室施工期围岩力学参数反演与力学响应超前预测的实现流程,开发了集数值建模、参数反演与超前预测于一体的自动化系统。算例分析验证了所提出方法与所开发系统的可行性与实用性。
Abstract:In order to treat the problem of low efficiency of the inversion of mechanical parameters of surrounding rock, an asynchronous particle swarm optimization method with high efficiency was proposed to the parameters inversion of surrounding rock, and a mathematical inversion model was established. Based on the file partition, information grouping and sequence encoding, the parametric auto-generation and update of FEM calculation file were realized. Then the realization process of inversion of mechanical parameters and advanced prediction of mechanical response of surrounding rock was given, and automatic system was developed. The example results showed that the proposed method and the developed system are feasible and practical.
文章编号:201300680     中图分类号:    文献标志码:
基金项目:国家自然科学基金青年科学基金资助项目(51109067);国家自然科学基金重点项目(11132003);国家自然科学基金面上项目(51079045);国家财政部施工新技术研究与开发立项资助项目(财企[2011]149号)
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徐磊,张太俊.地下洞室施工期围岩力学参数反演与力学响应超前预测自动化系统开发[J].工程科学与技术,2013,45(6):51-57.
Xu Lei,Zhang Taijun.Development of Automatic System for Inversion of Mechanical Parameters and Advanced Prediction of Mechanical Response of Surrounding Rock of Underground Cavern in the Period of Construction[J].Advanced Engineering Sciences,2013,45(6):51-57.