Critical issues in the assesment of seismic vulnerability of historical masonry buildings: A study case

2016 ◽  
pp. 611-622 ◽  
Author(s):  
B. Calderoni ◽  
E.A. Cordasco ◽  
G. Pacella ◽  
V. Onotri
Keyword(s):  
Seismic Vulnerability ◽  
Masonry Buildings ◽  
Critical Issues ◽  
Historical Masonry ◽  
Study Case

Seismic Vulnerability of Italian Historical Towns: The Case of Borgo San Rocco

2021 ◽  
Vol 109 ◽  
pp. 1-7
Author(s):  
Valentina Cima ◽  
Valentina Tomei ◽  
Ernesto Grande ◽  
Maura Imbimbo
Keyword(s):  
Seismic Vulnerability ◽  
Fragility Curves ◽  
Masonry Buildings ◽  
Safety Level ◽  
Seismic Safety ◽  
Collapse Mechanisms ◽  
Complex Process ◽  
Out Of Plane ◽  
Historical Masonry ◽  
A Current

The assessment of the seismic safety level of masonry buildings is a current and important issue at the basis of the complex process of preservation of historical masonry buildings which constitute mostly the Italian and European towns. Nowadays, different approaches able to provide important information concerning the seismic safety level of masonry structures are available. Among these, fragility curves allow to have a prediction of potential damages during an earthquake of geographical areas characterized by similar construction typologies. The present paper concerns the derivation of fragility curves of masonry buildings, typical of Italian historical towns and mainly characterized by the possible occurrence of local out-of-plane collapse mechanisms. To this end, a real case is accounted in the study in order to consider specific parameters characterizing the constructions composing these territorial realities.

Rehabilitation of Masonry Buildings with Fibre Reinforced Mortar: Practical Design Considerations Concerning Seismic Resistance

2021 ◽  
Vol 898 ◽  
pp. 1-7
Author(s):  
Ingrid Boem ◽  
Natalino Gattesco
Keyword(s):  
Seismic Vulnerability ◽  
Seismic Resistance ◽  
Masonry Walls ◽  
Masonry Buildings ◽  
Historic Masonry ◽  
Collapse Mode ◽  
Practical Design ◽  
Out Of Plane ◽  
Historical Masonry

Historic masonry buildings experience a high seismic vulnerability: innovative intervention strategies for strengthening, based on the use of fibre-based composite materials are gradually spreading. In particular, the coupling of fibre-based materials with mortar layers (Fibre Reinforced Mortar technique - FRM) evidenced a good chemical and mechanical compatibility with the historical masonry and proved to be effective for the enhancement of both in-plane and out-of-plane performances of masonry, contrasting the opening of cracks and improving both resistance and ductility. The resistant mechanisms that arise in FRM strengthened masonry walls subjected to in-plane horizontal actions are analyzed in the paper and a practical design approach to evaluate their performances is illustrated, evidencing the dominant collapse mode at the varying of the masonry characteristics. Some masonry walls are analyzed numerically and analytically, as “case study”.

Seismic vulnerability of historical masonry buildings: A case study in Ferrara

2008 ◽  
Vol 30 (8) ◽  
pp. 2223-2241 ◽  
Author(s):  
Vincenzo Mallardo ◽  
Roberto Malvezzi ◽  
Enrico Milani ◽  
Gabriele Milani
Keyword(s):  
Seismic Vulnerability ◽  
Masonry Buildings ◽  
Historical Masonry

Seismic vulnerability assessment of historical masonry buildings located in Annaba city (Algeria) using non ad-hoc data survey

2014 ◽  
Vol 13 (8) ◽  
pp. 2283-2307 ◽  
Author(s):  
Alla Eddine Athmani ◽  
Abdelhacine Gouasmia ◽  
Tiago Miguel Ferreira ◽  
Romeu Vicente ◽  
Asma Khemis
Keyword(s):  
Vulnerability Assessment ◽  
Seismic Vulnerability ◽  
Ad Hoc ◽  
Masonry Buildings ◽  
Seismic Vulnerability Assessment ◽  
Data Survey ◽  
Historical Masonry

3D survey and 3D modelling for seismic vulnerability assessment of historical masonry buildings

2018 ◽  
Vol 10 (4) ◽  
pp. 473-484 ◽  
Author(s):  
C. Balletti ◽  
M. Ballarin ◽  
P. Faccio ◽  
F. Guerra ◽  
A. Saetta ◽  
...  
Keyword(s):  
Vulnerability Assessment ◽  
Seismic Vulnerability ◽  
3D Modelling ◽  
Masonry Buildings ◽  
Seismic Vulnerability Assessment ◽  
Historical Masonry

scholarly journals Fragility curves for Italian URM buildings based on a hybrid method

2021 ◽  
Author(s):  
A. Sandoli ◽  
G. P. Lignola ◽  
B. Calderoni ◽  
A. Prota
Keyword(s):  
Seismic Vulnerability ◽  
Fragility Curves ◽  
Limit State ◽  
Ultimate Limit State ◽  
Masonry Building ◽  
Masonry Buildings ◽  
Seismic Behaviour ◽  
Building Stock ◽  
Ground Acceleration ◽  
Damage Scenario

AbstractA hybrid seismic fragility model for territorial-scale seismic vulnerability assessment of masonry buildings is developed and presented in this paper. The method combines expert-judgment and mechanical approaches to derive typological fragility curves for Italian residential masonry building stock. The first classifies Italian masonry buildings in five different typological classes as function of age of construction, structural typology, and seismic behaviour and damaging of buildings observed following the most severe earthquakes occurred in Italy. The second, based on numerical analyses results conducted on building prototypes, provides all the parameters necessary for developing fragility functions. Peak-Ground Acceleration (PGA) at Ultimate Limit State attainable by each building’s class has been chosen as an Intensity Measure to represent fragility curves: three types of curve have been developed, each referred to mean, maximum and minimum value of PGAs defined for each building class. To represent the expected damage scenario for increasing earthquake intensities, a correlation between PGAs and Mercalli-Cancani-Sieber macroseismic intensity scale has been used and the corresponding fragility curves developed. Results show that the proposed building’s classes are representative of the Italian masonry building stock and that fragility curves are effective for predicting both seismic vulnerability and expected damage scenarios for seismic-prone areas. Finally, the fragility curves have been compared with empirical curves obtained through a macroseismic approach on Italian masonry buildings available in literature, underlining the differences between the methods.

Seismic Risk Mitigation of Historical Masonry Towers by Means of Prestressing Devices

2010 ◽  
Vol 133-134 ◽  
pp. 843-848 ◽  
Author(s):  
Adolfo Preciado Quiroz ◽  
Silvio T. Sperbeck ◽  
Harald Budelmann ◽  
Gianni Bartoli ◽  
Elham Bazrafshan
Keyword(s):  
Seismic Risk ◽  
Seismic Vulnerability ◽  
Risk Mitigation ◽  
Numerical Models ◽  
Failure Mechanisms ◽  
Masonry Towers ◽  
Seismic Risk Mitigation ◽  
Historical Masonry ◽  
Observed Damage ◽  
And Behavior

This work presents the investigation of the efficiency of different prestressing devices as a rehabilitation measure for the seismic risk mitigation of historical masonry towers. As a first phase, the seismic vulnerability of theoretical masonry towers was assessed by means of numerical models validated with information from the literature, observed damage and behavior of these structures due to passed earthquakes (crack pattern and failure mechanisms), and mainly taking into account the engineering experience. Afterwards, the validated models were rehabilitated with different prestressing devices; analyzing the results and concluding which device or the combination of them improved in a better way the seismic performance of the masonry towers. Finally, the methodology will be applied in two historical masonry towers located in seismic areas; the medieval tower “Torre Grossa” of San Gimignano, Italy, and one of the bell towers of the Cathedral of Colima, Mexico.

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