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Structural health monitoring of an arch dam from static deformation

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Abstract

This paper presents an investigation of using long-term static deformation measurements for structural health monitoring (SHM) of Fei-Tsui dam, which is located in a very active seismic zone of Taiwan. A modeling technique is developed to characterize the measured static deformation, which is described as a function of the measured physical parameters, where the water level and temperature are the two most important variables affecting dam deformation. The developed modeling method integrates a linear least-squares technique and a nonlinear least-squares process to identify a model by minimizing the residual error between the identified model and the measured static deformation. The proposed modeling technique can also be used for the prediction of the long-term deformation based on the measured water level and temperature for SHM.

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Correspondence to Jiann-Shiun Lew.

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Lew, JS., Loh, CH. Structural health monitoring of an arch dam from static deformation. J Civil Struct Health Monit 4, 245–253 (2014). https://doi.org/10.1007/s13349-014-0084-5

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  • DOI: https://doi.org/10.1007/s13349-014-0084-5

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