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《Journal of Zhejiang University(Engineering Science)》 2009-01
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Application of characteristic polynomial roots of autoregression time-series model in analysis of dam observation data

LI Fu-qiang,QIAN Jing-lin(Department of Hydraulic and Ocean Engineering,Zhejiang University,Hangzhou 310058,China)  
The AR(p) model was applied to analyze the residual data produced by the regression analysis method based on the time series analysis method in order to define the dam safety monitoring index according to the analysis of dam observational data.The Levinson derivation method was used to estimate the AR(p) model parameters.The dam safety behavior trend was appraised according to the distance from the characteristic polynomial roots of AR(p) model to unit circle.An application example of practical deformation data on an arch dam was introduced.The effects of the dehiscence in arch dam and dam body grouting on the dam structure behavior accorded with the calculation results.The method can be effectively used in the safety evaluation of dam structure.
【Fund】: 国家自然科学基金资助项目(50509021)
【CateGory Index】: TV698.1
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【References】
Chinese Journal Full-text Database 4 Hits
1 HE Zhengxiang;ZHANG Huili;ZHAO Jian;WANG Pei;Northwest A & F University;;Fuzzy Clustering Analysis Applied to Dam Deformation Monitoring Data[J];水力发电;2013-11
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1 SHEN Xin-fang(Water Conservancy Bureau of Lishui,Lishui 323000 China);Analysis of Jinkeng Masonry Arch Dam deflection behaviour[J];浙江水利科技;2006-04
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【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 ZHAN Wan(School of Arts,Nantong University,Nantong 226007,Jiangsu);The Artic Features,Inheritance and Protection of Haimen Folk Songs[J];南通大学学报(社会科学版);2011-03
2 YANG Mei-juan(Department of Arts and Physical Education,Nantong Higher Normal Institute,Nantong 226006,Jiangsu,China);Thinking and Practices on Folk Music Teaching in Higher Normal College[J];江苏经贸职业技术学院学报;2009-06
3 ZHAN Wan(School of Arts,Nantong University,Nantong 226007,China);Artistic Style and Cultural Value of Hai’an Flower Drum[J];南通大学学报(社会科学版);2009-06
【Secondary References】
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1 ZHANG Fan;HU Wu-sheng;School of Surveying Engineering,Southeast University;;Application of neural network merging model to dam safety monitoring[J];测绘工程;2015-01
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1 ZHONG LinZHENG Dong-jianXIANG Yan (College of Water Conservancy and Hydropower Eng., Hohai Univ., Nanjing 210098, China);Determination of Horizontal Displacement Monitoring Index for Shuikou Dam Crest[J];水电能源科学;2004-03
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4 ZHENG Dong jian 1 GUO Hai qing 1 GU Chong shi 2 WU Zhong ru 3 XU Shi yuan 2 (1.Hydropower College of Hohai University,Nanjing 210098,China; 2.Gutian River Hydropower Plant,Gutian 352258,China);Study on the Safety Monitoring Index of Horizontal Displacement of Gutian River First Stage Dam[J];水电能源科学;2000-01
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