| 基于ARMA模型的桥梁施工监控时间序列分析 |
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| 引用本文： | 卫文哲,陈彦江,闫维明,杨小森.基于ARMA模型的桥梁施工监控时间序列分析[J].工业建筑,2011(Z1). |
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| 作者姓名： | 卫文哲 陈彦江 闫维明 杨小森 |
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| 作者单位： | 北京工业大学工程抗震与结构诊治北京市重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(90715032、50978009); 北京市教育委员委员会科技计划重点项目(KZ200910005002) |
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| 摘 要： | 桥梁施工中主梁线形的监测和控制,对确保大桥顺利合龙起到了至关重要的作用。在与有限元模型模拟计算方法分析比较的基础上,寻求一种具有参数估计简便、估计精度高和预报可靠等特点的ARMA模型方法。最后以某大跨度连续刚构桥为例进行了分析计算。通过对实测数据的预处理、平稳性分析、模型识别、模型检验等,得到合适的ARMA模型并结合该模型计算出预测结果。通过两种模型与实测结果差值的比较,结果表明时间序列模型的预测值与实测值吻合较好,证明了该方法的实用性。
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| 关 键 词： | 大跨度连续刚构 施工监控 时间序列分析 ARMA模型 |
TIME SERIES ANALYSIS OF BRIDGE CONSTRUCTION MONITORING BASED ON ARMA MODEL |
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| Wei Wenzhe Chen Yanjiang Yan Weiming Yang Xiaosen.TIME SERIES ANALYSIS OF BRIDGE CONSTRUCTION MONITORING BASED ON ARMA MODEL[J].Industrial Construction,2011(Z1). |
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| Authors: | Wei Wenzhe Chen Yanjiang Yan Weiming Yang Xiaosen |
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| Affiliation: | Wei Wenzhe Chen Yanjiang Yan Weiming Yang Xiaosen(Beijing Laboratory of Earthquake Engineering and Structural Retrofit,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | The bridge construction middle girder linear monitoring and control play a crucial role in ensuring a bridge's successful closure.It is sought ARMA model method of simple estimate of parameter,high precision and reliable forecast based on comparison of FE model simulation and analysis.Finally calculation and analysis are done by taking a long span continuous rigid frame for example.Through in-situ data pretreatment,stability analysis and model identification and model test etc.,suitable ARMA model is found ... |
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| Keywords: | long-span continuous rigid-framed construction monitoring time series analysis ARMA model |
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