Non-Linear Identification of the Seismic Damage in a Masonry Building from Dynamic Response Records

Lenticchia, Erica; Miraglia, Gaetano; Marcello, Morgantini; Pecorelli, MARICA LEONARDA; Surace, Cecilia; Ceravolo, Rosario; Raimondo, Betti

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The identification of hysteretic degrading systems exposed to nonstationary loading is a paramount research topic, especially in the case of structures subjected to ground motion excitations. In this paper, the data recorded by a masonry building are used to assess its seismic damage. To better assess the mechanical characterization of the damage, a parametric non-linear identification is performed. To this aim, a Bouc-Wen type multiple oscillator model is adopted. Starting from the results of the calibration process a damage index based on the degrading stiffness matrix is defined.

Titolo:	Non-Linear Identification of the Seismic Damage in a Masonry Building from Dynamic Response Records
Autori:	LENTICCHIA, ERICA MIRAGLIA, GAETANO Marcello Morgantini PECORELLI, MARICA LEONARDA SURACE, CECILIA CERAVOLO, Rosario Raimondo Betti mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2019
Abstract:	The identification of hysteretic degrading systems exposed to nonstationary loading is a paramoun...t research topic, especially in the case of structures subjected to ground motion excitations. In this paper, the data recorded by a masonry building are used to assess its seismic damage. To better assess the mechanical characterization of the damage, a parametric non-linear identification is performed. To this aim, a Bouc-Wen type multiple oscillator model is adopted. Starting from the results of the calibration process a damage index based on the degrading stiffness matrix is defined.
Appare nelle tipologie:	4.1 Contributo in Atti di convegno

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