Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 11    No. 2    April 2001

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Dynamic model for landsliding monitoring under
rigid body assumption
ZHU Jian-jun(朱建军)1, DING Xiao-li(丁晓利)2, CHEN Yong-qi(陈永奇)2

1. Department of Surveying Engineering, Central South University,
Changsha 410083, P.R.China;
2. Department of Land Surveying and GeoInformatics,
Hong Kong Polytechnic University, Kowloon, Hong Kong

Abstract:Based on the assumption that the slope bodies are rigid, the dynamic model of the landsiding (forward model) was put forward. According to the dynamic model, the system equations of Kalman filter were constituted. The mechanical status of a slope was hence combined with the monitoring data by Kalman filter. The model uncertainties or model errors could also be considered through some fictitious observation equations. Different from existed methods, the presented method can make use for not only the statistic information contained in the data but also the information provided by the mechanical and geological aspect of slopes. At last a numerical example was given out to show the feasibility of the method.


Key words: dynamic model; Kalman filter; rigid body; landslide monitoring

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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