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

Binda, L.; Modena, Claudio; Casarin, Filippo; Lorenzoni, Filippo; Cantini, Lorenzo; Munda, Stefano

doi:10.1007/s10518-010-9217-3

Cited by 39 publications

(23 citation statements)

References 4 publications

(5 reference statements)

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“…The results can be compared with the results obtained by the surveys carried out by the Protezione Civile in collaboration with the Ministry of Cultural Heritage for selected mansions (Modello B-DP PCM-DPC, Protezione Civile 2006), or with the AeDes survey for ordinary buildings (Baggio et al 2000), to obtain a more complete picture. Some of these results are discussed in other papers within this special issue (Tertulliani et al 2010, Binda et al 2010.…”

Section: Description Of Damagementioning

confidence: 83%

Assessment and analysis of damage in L’Aquila historic city centre after 6th April 2009

D’Ayala

Paganoni

2010

Bull Earthquake Eng

299

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The paper describes the output of a survey carried out in the district of L'Aquila, Italy, in May 2009 after the April earthquake and later in January 2010, and the consequent vulnerability assessment completed by the authors. Observations collected on site regard masonry buildings of the historic centre of L'Aquila and the towns of Paganica and Onna; particular focus was given to a number of buildings of interest, which better represent two locally recurrent building typologies: the mansion and the common dwelling. A description of the main structural features and their influence on damage mechanism is provided, stressing the importance of elements such as wall lay-out, quality of masonry and strengthening interventions. The gathered information is used as input for the application of the FaMIVE method (D'Ayala and Speranza in Earthq Spectra 19 (3): 2003), whereby feasible collapse mechanisms and the associate failure load factors can be identified. The procedure is briefly outlined and results are discussed from the point of view of the performance point: push-over curves produced by statistical elaboration of FaMIVE's output are compared both with the demand spectra obtained from EC8 and the response spectrum for the main shock as recorded by the closest station to the town. Conclusions are drawn on the reliability of the FaMIVE method with respect to its capability of predicting the damage mechanism identified on site.

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Section: Description Of Damagementioning

confidence: 83%

Assessment and analysis of damage in L’Aquila historic city centre after 6th April 2009

D’Ayala

Paganoni

2010

Bull Earthquake Eng

299

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“…Immediately after the earthquake a series of non destructive (NDT) and minor destructive (MDT) testing were performed in the Spanish Fortress [8]. Later on a dynamic monitoring system has been installed on the South-East wing of the fortress.…”

Section: Spanish Fortress and Civic Tower (L'aquila)mentioning

confidence: 99%

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

Modena

Lorenzoni

Caldon

et al. 2016

J Civil Struct Health Monit

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In the last decade the number of structural health monitoring (SHM) systems designed and implemented on historic structures increased exponentially. Monitoring perfectly meets principles and guidelines of the recently issued Italian and European seismic codes as it is considered a strategic activity in the knowledge process of historic buildings, in order to understand their structural behavior and have a deeper insight on their health conditions. Thanks to SHM it is possible to intervene on buildings with more confidence (and only when necessary), but also to prevent the execution of intrusive strengthening interventions, in full compliance with the minimum intervention principle, so important in the restoration field. The object of monitoring is to identify, locate and classify type and severity of damages induced by external actions or degradation phenomena and to assess their effects on the structural performance. In this way it is possible to take appropriate measures to reduce the danger of collapse and, when necessary, perform strengthening interventions to improve the structural and seismic capacity. Motivated by the above reasons, the paper provide a contribution to the application of integrated methodologies and techniques, based on SHM, for the assessment and protection of cultural heritage (CH) buildings and existing structures. Selected case studies, equipped with distributed sensors and acquisition systems, allowed the definition and successive validation of SHM as a knowledge-based assessment tool, implemented to: (1) avoid the execution of unnecessary interventions and assess structural vulnerabilities; (2) evaluate intervention needs, following an incremental approach during their execution; (3) control the damage states of buildings in a post- seismic scenario. Monitoring data, automatically processed through dedicated software for static monitoring and automated algorithms for modal parameters extraction, are then used for the assessment of the health conditions and the identification of active damaging processes based on numerical simulations and robust statistical models

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“…Earthquakes, landslides, floods, and volcanic eruptions are the most relevant processes that potentially can damage or increase the risk of human beings, properties or environment itself (Alcantara-Ayala 2002; Binda et al 2011;Lotti et al 2015;Morelli et al 2014, andDel Soldato et al 2016). They are usually classified as geohazards (Doornkamp 1989), and also could involve the interaction of human activities (McCall 1992;Lekkas 2000, andMorelli et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Monitoring of the vibration induced on the Arno masonry embankment wall by the conservation works after the May 25, 2016 riverbank landslide

Pazzi

Lotti

Chiara

et al. 2017

Geoenviron Disasters

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Background: The concepts of disaster risk reduction and disaster risk management involve the development, improvement, and application of policies, strategies, and practices to minimize disaster risks throughout society. Nowadays, preserving architectural heritage and ancient monuments from disasters is an important issue in the cultural life of modern societies. The "health" of a building/structure may be evaluate by its deterioration or damage level: monitor the aging and promptly detect relevant damages, play a central role, and structure dynamic characterization and microtremor analysis are considered powerful techniques in this field. A wide bibliography about structures/ buildings seismic dynamic characterization is counterpoised to a missing one about their seismic response during conservation/safety works. This paper focus on the seismic response and monitoring of a historical masonry embankment wall during the conservation works carried out after a riverbank landslide that seriously damaged it. Results: The H/V results of the acquired traces show that main resonance frequency of the masonry embankment wall is between 4 Hz and 15 Hz, in agreement with the frequency range of roughly 10-meters-high, squat and monolithic structure. The whole monitoring period can be divided into three intervals corresponding to three different kind of workings: i) piling work; ii) parapet breakdown, excavation, embankment arrangement and foot wall consolidation; iii) backfill and restoring of the original condition, ordinary construction activities. The maximum peak component particle velocity substantial increase during the second period. All the stations have a higher energy content in the 10-20 Hz frequency range, but the spectra analysis clearly shows that the NS component, perpendicular to the wall, is the most stressed one. Moreover, despite the considerable distance from the August 24 Central Italy earthquake epicentre, the earthquake waveform is clearly recognizable at each station. In fact, the energy is focused around 2 Hz and the signals show directivity neither for the spectrum nor for the H/V. Conclusion: This work may contribute to characterize the vibrations induced by piling work at close range, and help to define the maximum acceptable vibration pattern for such structures, since literature is missing of such case studies. The maximum peak component particle velocity values clearly showed the work advancement. This paper also shows how the H/V technique is a valuable method to estimate the resonant frequency not only of buildings, but also of a squat and monolithic structure like the Lungarno Torrigiani masonry embankment wall.

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

Cited by 39 publications

References 4 publications

Assessment and analysis of damage in L’Aquila historic city centre after 6th April 2009

Assessment and analysis of damage in L’Aquila historic city centre after 6th April 2009

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

Monitoring of the vibration induced on the Arno masonry embankment wall by the conservation works after the May 25, 2016 riverbank landslide

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