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Dive into the research topics where Filippo Lorenzoni is active.

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Featured researches published by Filippo Lorenzoni.


6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering | 2017

Finite element micro-modelling for the characterization of inclined head joints archaeological masonry: the case of Villa Diomede in Pompeii

Matteo Salvalaggio; Pedro Roca Fabregat; Maria Rosa Valluzzi; Filippo Lorenzoni

Villa Diomede is a great roman building located on the western corner of the modern archaeological site of Pompeii, built during III century BC and discovered between 1771 and 1774 during archaeological excavations. The system is composed by three levels: the road level, the garden level, which hosts the portico structure, and the underground level. The building includes diverse types of masonry with a wide range of unit shapes, dimensions and materials (i.e. tuff, limestone, volcanic stone, clay brick etc.). Besides, an unconventional tuff masonry type was observed on some structures of the garden; it reveals inclined head joints, whose structural function is still unknown. The paper reports the numerical micro-modeling of this particular texture of masonry, where the constitutive materials (tuff units and mortar) are discretized. The main goal of the work is the assessment of inclined masonry joints as an aseismic detail compared with widespread traditional tuff running bond masonry. Micro models of masonry wallettes were created assigning a non-linear constitutive behavior, i.e. total strain crack model (with a parabolic behavior in compression and an exponential softening behavior in tension, whereas damage due to tensile cracking was modeled adopting a rotating crack model). Moreover, brittle 2D interfaces were modeled between mortar and units at inclined joints surfaces. The paper focuses on numerical prediction of compressive response of masonry models subjected to uniaxial compressive tests.


5th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering | 2015

STRUCTURAL HEALTH MONITORING AND DIAGNOSTIC INVESTIGATIONS OF THE SCROVEGNI CHAPEL, ITALY

Claudio Modena; Filippo Lorenzoni; Mauro Caldon; Maria Rosa Valluzzi

The Scrovegni Chapel represents without doubt a masterpiece in the history of painting in Italy and Europe in the 14th century and it is considered the most complete series of frescos executed by Giotto in his mature age. Given the crucial importance of the building from a cultural point of view, in 1995 a systematic research campaign started, including the execution of studies on the structural health state of the Chapel. The final aim is to guarantee optimal preservation conditions on the occasion, and in direct continuation, of the restoration of the Giotto’s frescoes performed in 2001-2002. The investigation plan, based on nondestructive techniques, includes punctual tests, periodically repeated, and continuous monitoring, direct measurements and indirect identifications (back-analysis) of relevant structural parameters. Although the structural layout of the chapel is apparently simple, the protection of the monument is strongly connected to the fact that its historic and artistic value cannot be separated from the structure itself and the effects of strengthening interventions carried out in the last 150 years need to be carefully evaluated. In this framework a structural health monitoring system has been recently installed by the authors. A network of static and dynamic sensors controls the relevant parameters related to the structural safety of the monument and the protection of the artistic content. The paper describes the diagnostic investigations carried out, including ambient vibration tests, crack pattern survey and identification of possible ongoing degradation phenomena. Then the installed monitoring equipment is presented focusing on the algorithms developed and implemented into a processing software to perform the online automatic analysis of static data and the identification of modal parameters. Relevant features extracted from monitoring data are then used as inputs for the application of damage detection algorithms and the numerical calibration of a finite element model of the structure.


Advanced Materials Research | 2010

Settlement Induced Damage Modelling of Historical Buildings: The Bell Tower of the “Basilica dei Frari” in Venice

Filippo Lorenzoni; Maria Rosa Valluzzi; Claudio Modena; Elena Simonato; Filippo Casarin; A. Lionello

The paper presents the case study of the “Basilica dei Frari” in Venice for which a non linear numerical analysis has been recently performed in order to assess its structural conditions. In fact, from the end of its construction, in the XIV century, the building suffered from structural deteriorations mainly due to settlements affecting the bell-tower. A main structural intervention was carried out at the beginning of the XX century, aimed at stopping the outward tilting process of the tower. The intervention was so effective that it induced an opposite effect on the tower, which started to rotate towards the cathedral. Several studies were carried out since then to evaluate the interaction between tower and church, including in recent years structural monitoring and numerical modelling, besides a strengthening intervention consisting in soil micro-fracturing. A non linear numerical model of the church-tower complex was implemented and compared to the outcomes of the available experimental data (monitoring, investigations), also considering the historical process leading to the present day conditions. To gain reliable settlement damage predictions it was necessary to adopt tensile-softening crack models in the numerical studies and perform non linear analyses able to trace the complete response of the structure. The aim of the modeling was also, besides the assessment of the structural conditions of the complex, to predict the structural effects of the physical “separation” between tower and cathedral.


Bulletin of Earthquake Engineering | 2011

Emergency actions and investigations on cultural heritage after the L’Aquila earthquake: the case of the Spanish Fortress

L. Binda; Claudio Modena; Filippo Casarin; Filippo Lorenzoni; L Cantini; S. Munda


Mechanical Systems and Signal Processing | 2016

Uncertainty quantification in structural health monitoring: Applications on cultural heritage buildings

Filippo Lorenzoni; Filippo Casarin; Mauro Caldon; Kleidi Islami; Claudio Modena


Journal of Civil Structural Health Monitoring | 2013

Structural health monitoring of the Roman Arena of Verona, Italy

Filippo Lorenzoni; Filippo Casarin; Claudio Modena; Mauro Caldon; Kleidi Islami; Francesca da Porto


Journal of Civil Structural Health Monitoring | 2016

Structural health monitoring: a tool for managing risks in sub-standard conditions

Claudio Modena; Filippo Lorenzoni; Mauro Caldon; Francesca da Porto


Journal of Civil Structural Health Monitoring | 2018

Post-earthquake controls and damage detection through structural health monitoring: applications in l’Aquila

Filippo Lorenzoni; Mauro Caldon; Francesca da Porto; Claudio Modena; Takayoshi Aoki


16th International Brick & Block Masonry Conference | 2016

Knowledge-based data warehouse of interventions for the protection of masonry historical heritage

Maria Rosa Valluzzi; F. da Porto; G. Giacometti; Filippo Lorenzoni; Claudio Modena


STRUCTURAL ANALYSIS OF HISTORICAL CONSTRUCTIONS - SAHC 2012 | 2012

CREATION OF A STRUCTURED CATALOGUE

Lorenzo Cantini; F. da Porto; G. Giacometti; Filippo Lorenzoni; Antonella Saisi; Maria Rosa Valluzzi

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