scholarly journals Seismic Vulnerability Assessment of a Monumental Masonry Building

2020 ◽  
Vol 5 (11) ◽  
pp. 93
Author(s):  
Alessandra De Angelis ◽  
Giuseppe Maddaloni ◽  
Maria Rosaria Pecce
Keyword(s):  
Seismic Behavior ◽  
Seismic Vulnerability ◽  
Nonlinear Static Analysis ◽  
Seismic Events ◽  
Masonry Building ◽  
Singular Case ◽  
Seismic Vulnerability Assessment ◽  
Shell Elements ◽  
Linear Dynamic ◽  
Nonlinear Static

Recent seismic events that hit the central part of Italy have highlighted again the high vulnerability of the historical and architectonical heritage of Italy and the importance of preserving it. However, the seismic assessment of monumental buildings is particularly complex because each historical construction is a singular case realized by specific techniques. Therefore, the first step should be the knowledge of the building even if it is a difficult task. In the present paper, the seismic behavior of an important nineteenth century astronomical observatory, constructed between 1816 and 1819, was investigated. The building, located in Naples, in the southern part of Italy, and classified by the Italian code as an area of medium seismic hazard, was analyzed in the elastic and inelastic range under seismic actions. In this study, the results of two different models were proposed and critically compared. The first one was implemented by shell elements for walls and vaults developing a linear dynamic analysis, while the second one simulates the building through “equivalent frames” applying a nonlinear static analysis.

scholarly journals Seismic vulnerability of structures: application to the Civil Protection building in Andorra

2020 ◽  
Vol 21 (5) ◽  
pp. 514
Author(s):  
Matthias Barus ◽  
Olivier Dalverny ◽  
Hélène Welemane ◽  
Jean-Pierre Faye ◽  
Carmen Martin
Keyword(s):  
Seismic Event ◽  
Seismic Vulnerability ◽  
Natural Frequencies ◽  
Computation Method ◽  
Seismic Events ◽  
Civil Protection ◽  
Structural Behaviour ◽  
Linear Dynamic ◽  
Dynamic Computation ◽  
Interesting Approach

This works deals with the seismic vulnerability of buildings in the Pyrenees mountains region where almost a thousand earthquakes are recorded each year in the border area. The challenge is twofold: first to detect the damage due to seismic events and then to localize it inside studied buildings. Operational Modal Analysis (OMA) coupled with numerical modelling by Finite Element (FE) constitutes an interesting approach to address these issues. Here we intend to apply such methodology on a strategic building located in Andorre-la-Vieille whose structure is complex, irregular and heterogeneous. The structural behaviour of the building is studied through frequency computation method in order to identify its undamaged behaviour. A seismic event is next simulated by a non-linear dynamic computation method which creates damage within the structure. Numerical results (natural frequencies, modal shapes and damage location) allow highlighting damaged zones induced by the earthquake and quantify degradation level in these areas. Accordingly, some guidelines may be given in view of the future instrumentation of the building (accelerometers and RAR).

Development of an index assignment procedure compatible with the regional seismicity in the province of Quebec for the rapid visual screening of existing buildings

2008 ◽  
Vol 35 (9) ◽  
pp. 925-937 ◽  
Author(s):  
Amin Karbassi ◽  
Marie-José Nollet
Keyword(s):  
Seismic Vulnerability ◽  
Seismic Analysis ◽  
Nonlinear Static Analysis ◽  
Seismic Evaluation ◽  
Regional Seismicity ◽  
Rapid Visual Screening ◽  
Assignment Method ◽  
Nonlinear Static ◽  
Visual Screening ◽  
Index Assignment

In the context of the seismic vulnerability evaluation of buildings, the score assignment method can be used as the first step of a multiphase procedure aimed at identifying hazardous buildings that must then be analysed in greater detail. Because the existing Canadian rapid visual screening procedure has not been updated since 1992, a new procedure is proposed based on a set of vulnerability indices for different cities in the province of Quebec. A seismicity level (low, moderate, or high) is attributed to each city using the spectral acceleration response values included in the 2005 edition of National building code of Canada (NBCC) and the criteria proposed in FEMA 310 Handbook for the seismic evaluation of buildings - a prestandard. The structural vulnerability indices (SVIs) are calculated using the recently improved nonlinear static analysis procedure in FEMA 440, Improvement of nonlinear static seismic analysis procedures for each seismicity level. The NBCC 2005 reference soil class C is considered in the calculation of the SVIs, and index modifiers for the building height, irregularities, and design and construction year. The application of these indices to the estimation of the probable damage distribution in building inventories is discussed at the end.

scholarly journals Seismic Vulnerability Assessment for Masonry Churches: An Overview on Existing Methodologies

Buildings ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 588
Author(s):  
Mattia Zizi ◽  
Jafar Rouhi ◽  
Corrado Chisari ◽  
Daniela Cacace ◽  
Gianfranco De Matteis
Keyword(s):  
Vulnerability Assessment ◽  
Seismic Vulnerability ◽  
Management Policy ◽  
Seismic Events ◽  
Seismic Vulnerability Assessment ◽  
The Past ◽  
Fundamental Process ◽  
Historical Heritage ◽  
Definition Of ◽  
Masonry Churches

The present manuscript deals with the seismic vulnerability assessment of existing masonry churches, which is a fundamental process for risk and consequent prioritization analyses, as well as application of effective retrofitting strategies. In the past, different approaches with various levels of accuracy and application ranges have been developed to assess the vulnerability to damage of such structures in case of seismic events. Based on the classification provided in the Italian Guidelines for the Cultural Heritage, in this paper a review of seismic vulnerability assessment methodologies for existing masonry churches is presented. The main goal of the current study is to provide a critical comparative overview about these procedures, highlighting the main issues related to the application of each detail level. Moreover, particular attention is focused on the applications present in literature, allowing for the definition of a potential systematic procedure for smart management policy aimed at preserving cultural, architectural and historical heritage.

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