Analysis of the failure mechanisms of the basilica of Santa Maria di Collemaggio during 2009 L’Aquila earthquake

Arcidiacono, Vincenzo; Cimellaro, Gian Paolo; Ochsendorf, John

doi:10.1016/j.engstruct.2015.04.051

Cited by 15 publications

(1 citation statement)

References 17 publications

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“…The next sections start with a brief description of the seismic and the structural history of the Basilica. Then, an analytical model based on the work of Arcidiacono et al (2015) is described to show the trends in the structural seismic response. The numerical results of the model and the conclusions are discussed in the last two sections of the paper.…”

Section: Introductionmentioning

confidence: 99%

The Dynamic Behavior of the Basilica of San Francesco in Assisi Using Simplified Analytical Models

Arcidiacono

Cimellaro

Piermarini

et al. 2016

International Journal of Architectural Heritage

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The Basilica of San Francesco in Assisi endured stronger earthquakes for centuries before 1997 earthquake, which generated the collapse of the two vaults. Experts blame as possible reasons of collapse the damage cumulated from previous earthquakes and/or the retrofitting made to the structure over its lifetime. In this paper is presented the history of the retrofit interventions of the Basilica through the centuries, focusing mainly on the roof, which has been subjected to three major restorations through its life. It is shown using simple analytical models that the cumulative effects of the changes made to the roof of the Basilica affected the structure's dynamic behavior in a negative manner, increasing the seismic loads on the existing structural members. In particular, the numerical results show that the 1958 roof intervention has stiffened the structure,

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Section: Introductionmentioning

confidence: 99%

The Dynamic Behavior of the Basilica of San Francesco in Assisi Using Simplified Analytical Models

Arcidiacono

Cimellaro

Piermarini

et al. 2016

International Journal of Architectural Heritage

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Long-term structural monitoring of the damaged Basilica S. Maria di Collemaggio through a low-cost wireless sensor network

Potenza

Federici

Lepidi

et al. 2015

J Civil Struct Health Monit

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The work presents the inter-disciplinary multi-year project focused on the permanent seismic monitoring of a historical structure, the Basilica S. Maria di Collemaggio, by means of an advanced wireless sensor network. Considered among the architectural masterpieces of the Italian Romanesque, the structural behaviour of the monumental masonry church is strongly debated after the heavy damages and the partial collapse that occurred during the 2009 L’Aquila earthquake. From the perspective of information technology, critical issues in the wireless data acquisition and communication are analysed. The sensor network design, deployment and performance are discussed with respect to the high-demanding service requirements—as well as the non-negligible management costs—specifically related to the long-term monitoring of a monumental masonry structure in a seismic area. From the perspective of experimental signal analysis, the acceleration data collected during a 3-year period of seismic monitoring are analysed in the frequency and time domains. The results allow the clear detection of complex interactions between the masonry structures and some of the temporary protective installations. Stochastic subspace identification procedures are applied, with critical analysis of their effectiveness in the assessment of reliable modal models from the building response to real seismic events. Finally, the robustness of the modal identification obtained from the structural responses to different near- and far-field micro-earthquakes is discussed, with the aid of numerical models of the damaged and protected church configuration

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Structural analysis of stone masonry columns of the Basilica S. Maria di Collemaggio

Crespi

Franchi

Giordano

et al. 2016

Engineering Structures

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Analysis of the failure mechanisms of the basilica of Santa Maria di Collemaggio during 2009 L’Aquila earthquake

Cited by 15 publications

References 17 publications

The Dynamic Behavior of the Basilica of San Francesco in Assisi Using Simplified Analytical Models

The Dynamic Behavior of the Basilica of San Francesco in Assisi Using Simplified Analytical Models

Long-term structural monitoring of the damaged Basilica S. Maria di Collemaggio through a low-cost wireless sensor network

Structural analysis of stone masonry columns of the Basilica S. Maria di Collemaggio

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