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Application of simplified Sage-Husa adaptive filtering algorithm in bridge construction pre-camber analysis
Author(s): 
Pages: 64-67
Year: Issue:  11
Journal: Geotechnical Investigation & Surveying

Keyword:  自适应滤波 连续梁桥 预拱度 施工控制;
Abstract: 连续梁桥施工控制的核心任务是对各种误差进行分析、识别和调整,并对结构未来状态作出预测。为了准确地预测下一未浇筑梁段的预拱度,采用简化的Sage-Husa自适应滤波算法建立预拱度预测模型,对德天铁路跨线大桥主桥施工预拱度进行分析,比较施工阶段各梁段箱梁底实测标高与理论预计标高,监控结果显示两者误差控制在15mm内。简化的Sage-Husa自适应滤波算法在连续梁桥施工控制中的应用是有效的,且易于工程实现,可推广应用于其他类型桥梁的施工控制中。
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