4.7 Article

Statistical approach to damage diagnosis of concrete dams by radar monitoring: Formulation and a pseudo-experimental test

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ENGINEERING STRUCTURES
卷 28, 期 14, 页码 2036-2045

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ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2006.04.001

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damage diagnosis; concrete dams; radar monitoring; inverse analysis; Monte Carlo simulation

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This paper deals with the investigation of a diagnostic procedure especially suited for large concrete dams. The main features of such methodology are as follows: static excitation of the dam; displacement monitoring by radar device; identification of the unknown Young moduli in pre-defined homogeneous zones through a batch least square method. The uncertainty of the identified parameters is assessed by means of a thorough statistical processing. The numerical validation of the proposed method is carried out on the basis of pseudo-experimental data. The most important results, summarized in the paper together with some computational remarks, are critically examined. (c) 2006 Elsevier Ltd. All rights reserved.

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