Probabilistic seismic assessment of a high-rise URM building

Seismic and energy integrated retrofit of buildings: A critical review

“…Having in mind that more than 40% of all structures in Europe were constructed before the 1960s, possessing limited seismic and energy efficiency regulations, some questions about their structural safety and energy performance should arise. In the last decades, various researchers have investigated the vulnerability of existing buildings, many times motivated by catastrophic seismic events (Donaire-Avila et al, 2012;Indirli et al, 2013;Fiorentino et al, 2017;De Luca et al, 2018;Chieffo and Formisano, 2019;Ademović et al, 2020;Chieffo and Formisano, 2020;Ademovic et al, 2022;Aguilar-Meléndez et al, 2022;Avila-Haro et al, 2022).…”

Methodology for seismic vulnerability assessment of existing masonry buildings in urban centres. Application to the Eixample district in Barcelona

“…The typical urban block was originally composed of predominantly URM buildings arranged in large aggregates, even though it can be frequently found a more recent concrete building built between two masonry ones, or even, a steel construction (Moreno González and Bairán García, 2012). According to many previous studies, despite the low to moderate seismic hazard in this area, these existing unreinforced masonry typologies are especially vulnerable to horizontal actions (Barbat et al, 2006); (Avila-Haro et al, 2012); (González and Bairán, 2015).…”

“…In contrast to the previous research studies, in this one the typical Eixample buildings were considered as individual and as a group by forming an aggregate (Pujades et al, 2012). Standard pushover analyses by using the TreMuri software lead to evaluate their seismic performance by means of capacity and fragility curves (Avila-Haro et al, 2012). Additionally, a Capacity Spectrum Method was employed to study the seismic behaviour of the existing masonry buildings by considering two earthquake scenarios (deterministic and probabilistic).…”

“…CHAPTER 3 -CASE STUDY -THE EIXAMPLE DISTRICT OF BARCELONA 87 than the Y direction (perpendicular to the façade) (Moreno- González and Bairán, 2011), and the capacity of band buildings appears to increase when they are included in an aggregate (Pujades et al, 2012). Due to the increased degree of irregularity, corner buildings are reported to have lower seismic capacity (Avila-Haro et al, 2012;Pujades et al, 2012).…”

“….78 Figure 3.51 -Representation of the ELC system together with the vulnerability index (VI) for a street located in the Eixample district (a) and percentage of buildings with a given VI (Cara et al, 2018) Figure 3.52 -Demand Spectra with bilinear capacity spectra for unreinforced masonry buildings for two different seismic scenarios deterministic (left) and probabilistic (right) (Barbat et al, 2008) (Barbat et al, 2008)...................82 Figure 3.55 -Schemes of the building modelled in previous studies. a) (Bonett Diáz, 2003); b) (Moreno- González and Bairán, 2011); c) (Pujades et al, 2012); d) (Avila-Haro et al, 2012); e) (Jiménez-Pacheco et al, 2020) Figure 3.58 -Interior masonry wall to be tested from an existing Eixample building (left) and in-situ core drilling (right) (Segura et al, 2019). ................................................................................89 Figure 3.59 -Compressive stress-strain curves from an experimental campaign in a residential building located in the Eixample district: a) 150 mm cylinder core samples; b) 90 mm cylinder core samples (Segura et al, 2019) Figure 5.16 -Plan configuration of the reference model with the vertical extensions added in the models type A, B, and C (represented in blue, green and yellow, respectively).…”