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Communication Dans Un Congrès Année : 2011

Optimization of inspection and monitoring of structures in case of spatial fields of deterioration/properties

Résumé

The localization of weak properties or bad behavior of a structure is still a very challenging task that concentrates the improvement of Non Destructive Testing (NDT) toolson more efficiency and higher structural coverage. In case of random loading or material properties, this challenge is arduous because of the limited number of measures and the quasi-infinite potential positions of local failures. The paper shows that the stationary property is useful to find the minimum quantity of NDT measurements and their position for a given quality assessment. Atwo stagesprocedure allows us (i) to quantifythe properties of the ergodic, stationary field (ii) to assess the distribution of the characteristics. The paper focuses on optimization of sensor geo-positioning to reach (i): the criterion relies on the width of the confidence interval. The concept of critical upperbound spatial correlation is introduced.
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hal-01008633 , version 1 (16-06-2020)

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Franck Schoefs, Trung-Viet Tran, Emilio Bastidas-Arteaga. Optimization of inspection and monitoring of structures in case of spatial fields of deterioration/properties. 11th International Conference on Applications of Statistics and Probability in Civil Engineering, ICAPS 11, 2011, Zurich, Switzerland. pp.675-677, ⟨10.1201/b11332⟩. ⟨hal-01008633⟩
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