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Ufficio del Commissario Delegato per le attività post sisma, Regione Molise
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- PublicationOpen AccessSisma Molise 2002: pericolosità sismica e variazione dei costi di intervento per gli edifici danneggiati nella provincia di Campobasso(2007-06-10)
; ; ; ; ; ; ;Cifani, G.; CNR, ITC, L'Aquila ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Lemme, A.; Regione Molise, Struttura del Commissario Delegato per la Ricostruzione in Molise, Campobasso ;Miozzi, C.; Regione Molise, Struttura del Commissario Delegato per la Ricostruzione in Molise, Campobasso ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Podestà, S.; Università di Genova, DICAT, Genova; ; ; ; ; The goal of our research has been to estimate the economic impact of the seismic hazard studies on the reconstruction phase after the 2002 Molise earthquake. The study has been carried out adopting the vulnerability model, connected to the GNDT II level form, on a sample of existing masonry buildings of Campobasso province. A procedure has been provided to recover the necessary parameters for the vulnerability evaluation, using the AeDES 05/2000 forms, which are the basic support for the safety assessment in the post-earthquake phases. Assuming a set of structural seismic upgrading intervantions, a correlation between the cost of ret-rofitting interventions and different limit state has been evaluated, taking into account the litologi-cal site characteristics, according to the recent studies of seismic microzonation of the earthquake epicentral area. The results show a substantial difference of the seismic upgrading costs, varying the hazard (PGA) and the litological site characteristics, particularly in the 1st and 2nd Zones of the Italian Seismic Classification (OPCM 3519/06). These considerations put in evidence once again the necessity to invest important economic re-sources in the building national heritage knowledge and in the seismic microzonation of the urban areas; only in this way an effective preventive planning of risk reduction can be perfomed.154 302 - PublicationOpen AccessSIMPLIFIED PARAMETERS FOR THE EVALUATION OF SITE EFFECTS IN THE(2006-09-03)
; ; ; ; ; ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, via Nizza 128, 00198 ROMA, Italy ;Curti, E.; Dipartimento di Ingegneria Strutturale e Geotecnica, Università degli Studi di Genova, via Montallegro 1, 16145 GENOVA, Italy ;Lemme, A.; Freelance, S.S. n. 17 - km 178, 86170 ISERNIA, Italy ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, via Nizza 128, 00198 ROMA, Italy ;Podestà, S.; Dipartimento di Ingegneria Strutturale e Geotecnica, Università degli Studi di Genova, via Montallegro 1, 16145 GENOVA, Italy; ; ; ; After the 2002 earthquakes, that struck the southern Italy provinces of Campobasso (Molise) and Foggia (Apulia), the safety assessment of buildings has allowed to evaluate, for different building typologies, the damage level caused by the seismic event; in particular, the survey of the damaged cultural heritage was carried out by the Task Cultural Heritage of the Mixed Operating Centre (COM) in Larino (a village in the epicentral area), coordinated by the “Working Group for the Safeguard of the Cultural Heritage from Natural Risks” (Italy’s Gazzetta Ufficiale n. 116, 21 May 2001 - PCM-DPC Decree, 3 May 2001)”. For this survey activity, the churches were investigated with a specific form proposed by the same Working Group (Ministerial Decree n. 133, 23th January 2001), adopting different forms for other kinds of buildings. The surveyors were organized in teams, called NOPSA (Nuclei Operativi Patrimonio Storico Artistico), composed by officials of the Regional board of the Ministry of Cultural Heritage and Environmental Conservation (architects and art historians), an engineer and a Fire Brigade technician. The first phase of the safety assessment has been developed on the basis of the warnings received by the Larino COM, and most of the surveyed buildings were churches. The damage assessment of public or private buildings began, initially, near the earthquake epicentre (area 1 - IMCS between 6 and 8.5) and subsequently was carried out for all the villages from which inspection requests arrived. At the same time a vulnerability survey was carried out for the churches, using the II level form (Lagomarsino et al., 2004) proposed in the SAVE Project (“Updated Tools for the Seismic Vulnerability Evaluation of the Italian Real Estate and of Urban Systems” – http://gndt.ingv.it). The damage and vulnerability survey has allowed to verify and optimize the procedures for damage assessment immediately after a seismic event (emergency phase) and to obtain useful indications for the reconstruction phase. On the whole 379 monumental buildings in 101 Molise villages and 207 monumental buildings in 44 Apulia villages were investigated. Figure 1 shows the number of monumental buildings surveyed after the earthquakes for each Molise village, subdividing the region according to the seismic classification proposed by the recent Italian Seismic Code (OPCM n. 3274, 2003 – http://zonesismiche.mi.ingv.it).259 1039 - PublicationOpen AccessDanni al patrimonio monumentale ed effetti di amplificazione sismica per cause topografiche(2007-06-10)
; ; ; ; ; ; ; ;Compagnoni, M.; Politecnico di Milano, DIS, Milano ;Curti, E.; Università di Genova, DICAT, Genova ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Lemme, A.; Regione Molise, Struttura del Commissario Delegato per la Ricostruzione in Molise, Campobasso ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pergalani, F.; Politecnico di Milano, DIS, Milano ;Podestà, S.; Università di Genova, DICAT, Genova; ; ; ; ; ; After the 2002 Molise earthquake, a wide survey of the damage and the seismic vulnerability of the churches was carried out, using specific forms extensively tested and recently acknowledged at a national scale (G.U. 07/03/2006). This approach has allowed one to compare the observed and the expected medium damage, calculated through vulnerability curves correlated to the specific form used. This comparison has enabled to evaluate inhomogeneous values in some cases, pointing out how the surveyed damage could not be put down just to a structural lack of the building. Studying the sites morphology for the churches located on the ridges, it was observed a damage level always greater than expected. To study the influence of the local amplification phenomena due to the topography, it has been analyzed some churches damaged by the Appennino Abruzzese (1984) and Molise (2002) earthquakes. These churches are located on the ridges top, with slope in-clination alfa≥15°, height H≥30m and characterized by homogeneous lithological subsoil, almost to consider it having an elastic behavior under dynamical stress. Taking into account this hazard increase inside a vulnerability analyses (based on a macroseismic or a mechanical approach), it has been proposed a double approach, validated through local seismic response (RSL) modeling of the ground (estimation of amplification factors and of elastic response spectra) and through the seismic response of the macroelements, damaged by the reference earth-quake (linear and not-linear kinematic analysis). Through the vulnerability analysis based of the macroseismic approach, the influence of the site morphology on the building behavior has been preliminary defined by a vulnerability modifier (deltaVml), that represents an additional parameter to reach the equivalent value between the surveyed and the expected damage. The study of the amplification effects has been performed using the BEM numerical analysis; the results are represented by the amplification factors (Fa), defined as the ratio between the spectral intensity of output and input, considering the range period of 0.1s-0.5s, and the corresponding elas-tic response spectra: they confirm the results of the macroseismic approach. Considering the mechanical approach, two churches have been examined in detail (S Pietro in Vincoli at Castellino del Biferno and S. Michele Arcangelo at Campolieto): the kinematic analyses have been performed applied the calculated amplified and not-amplified response spectra (considering the earthquake 2002) and the design response spectrum. The analyses show that the results obtained applying the calculated amplified response spectrum are better correlated to the surveyed damage of the churches than the results obtained applying the not-amplified response spectrum.191 661 - PublicationOpen AccessCorrelation between local amplification effects and damage mechanisms for monumental buildings(2007-06-25)
; ; ; ; ; ; ; ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Compagnoni, M.; Politecnico di Milano, DIS, Milano ;Curti, E.; Università di Genova, DICAT, Genova ;Lemme, A.; Freelance, Isernia ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pergalani, F.; Politecnico di Milano, DIS, Milano ;Podestà, S.; Università di Genova, DICAT, Genova; ; ; ; ; ; ; ; ;Pitilakis, K.; University of ThessalonikiThe damage and vulnerability survey of the monumental buildings, damaged by the 2002 earthquake in the Molise Region, has allowed singling out of a correlation between the observed damage of the churches and their morphological site conditions. The vulnerability model connected to the survey methodology provides an evaluation of the expected mean damage. Comparison with the observed damage determined the introduction of a local morphological behaviour modifier, able to take into account the vulnerability increase due to the site effects. In order to validate the previous results, a numerical 2-D analysis of the seismic local response has been performed. In particular, a numerical code, working with boundary elements, has been applied to the analyzed situations. The results, in terms of pseudo-acceleration response spectra and amplification factors, allow one to compare the numerical and the observed analyses. This comparison shows good agreement and allows one to find some correlations between the geometric characteristics of the sites, the values of the amplification coefficients and the damage mechanism activated.131 156 - PublicationOpen AccessCorrelation between local amplification effects and damage mechanism for monumental buildings(2007-06-25)
; ; ; ; ; ; ; ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Compagnoni, M.; Politecnico di Milano, DIS, Milano ;Curti, E.; Università di Genova, DISEG, Genova ;Lemme, A.; Freelance, Isernia ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pergalani, F.; Politecnico di Milano, DIS, Milano ;Podestà, S.; Università di Genova, DISEG, Genova; ; ; ; ; ; ; ; ;Pitilakis, K.; University of Thessaloniki, GreeceThe damage and vulnerability survey of the monumental buildings, damaged by the 2002 earthquake in the Molise Region, has allowed singling out of a correlation between the observed damage of the churches and their morphological site conditions. The vulnerability model connected to the survey methodology provides an evaluation of the expected mean damage. Comparison with the observed damage determined the introduction of a local morphological behaviour modifier, able to take into account the vulnerability increase due to the site effects. In order to validate the previous results, a numerical 2-D analysis of the seismic local response has been performed. In particular, a numerical code, working with boundary elements, has been applied to the analyzed situations. The results, in terms of pseudo-acceleration response spectra and amplification factors, allow one to compare the numerical and the observed analyses. This comparison shows good agreement and allows one to find some correlations between the geometric characteristics of the sites, the values of the amplification coefficients and the damage mechanism activated.199 380 - PublicationOpen AccessSisma Molise 2002: il percorso della ricostruzione(2007-06-10)
; ; ; ; ; ; ; ; ; ; ; ; ; ; ;Di Grezia, V.; Regione Molise, Struttura del Commissario delegato per la Ricostruzione Post-Sisma 2002, Campobasso ;Baranello, S.; Regione Molise, Struttura del Commissario delegato per la Ricostruzione Post-Sisma 2002, Campobasso ;Lemme, A.; Regione Molise, Struttura del Commissario delegato per la Ricostruzione Post-Sisma 2002, Campobasso ;Pasquale, C.; Regione Molise, Struttura del Commissario delegato per la Ricostruzione Post-Sisma 2002, Campobasso ;Dolce, M.; Dipartimento della Protezione Civile, Ufficio Valutazione, prevenzione e mitigazione del rischio sismico e attività ed opere post-emergenza, Roma ;Di Pasquale, G.; Dipartimento della Protezione Civile, Ufficio Valutazione, prevenzione e mitigazione del rischio sismico e attività ed opere post-emergenza, Roma ;Pizza, A. G.; Dipartimento della Protezione Civile, Ufficio Valutazione, prevenzione e mitigazione del rischio sismico e attività ed opere post-emergenza, Roma ;Eva, C.; Università di Genova, DIPTERIS, Genova ;Lagomarsino, S.; Università di Genova, DICAT, Genova ;Podestà, S.; Università di Genova, DICAT, Genova ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Cifani, G.; CNR, ITC, L'Aquila ;Martinelli, A.; CNR, ITC, L'Aquila; ; ; ; ; ; ; ; ; ; ; ; ; The job illustrates the activities, the normative and procedural dispositions of the reconstruction in Molise that has been on its way after the 2002 earthquake. The individualized run has been characterized by numerous technical innovations, consequent to the emanation of the new seismic code (OPCM n. 3274/2003). The President of the Region, Delegated Commissioner for the reconstruction after-earthquake 2002, has programmed and coordinated all the activities, using structures of consultation, of address and of technical support. Particularly, the Scientific Technical Committee (CTS) has taken care of the containing directives, the criterions and the general norms for the trial of the reconstruction, emanate through the Ordinance of the Delegated Commissioner n. 13/2003. The Committee for the Microzonation (CMS) has predisposed indications and guidelines, while the CNR Institute for the Technologies of the Construction, in collaboration with the University of Basilicata and Dicat-University of Genoa, has up the guidelines for the investigations of vulnerability and for the interventions on the scholastic buildings, on the churches and on the monumental buildings. Finally, the Delegated Commissioner has ordered that the Local Corporate Bodies were made themselves responsible for the reconstruction realization. In the Campobasso province , with exception of the S.Giuliano diPuglia common, have been compiled about 16.200 preliminary projects (PPS). It is esteemed a general economic requirement of about 1.800 million of Euros for the residential buildings and of about 900 million of Euros for the public works. The reconstruction is in advanced realization and involves the buildings affected by an evacuation measure (Priority A).207 766 - PublicationOpen AccessEffetti di amplificazione topografica osservati sul patrimonio monumentale(2009-04-01)
; ; ; ; ; ; ; ;Compagnoni, M.; Dipartimento di Ingegneria Strutturale, Politecnico di Milano ;Curti, E.; Dipartimento di Ingegneria delle Costruzioni, dell’Ambiente e del Territorio, Università degli Studi di Genova ;Di Capua, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia ;Lemme, A.; Ufficio del Commissario Delegato per le attività post sisma, Regione Molise ;Peppoloni, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pergalani, F.; Dipartimento di Ingegneria Strutturale, Politecnico di Milano ;Podestà, S.; Dipartimento di Ingegneria delle Costruzioni, dell’Ambiente e del Territorio, Università degli Studi di Genova; ; ; ; ; ; La ricerca ha avuto l’obiettivo di indagare gli effetti di amplificazione sismica, per cause topografiche, che possono aver interessato le chiese danneggiate da alcuni terremoti storici italiani. La novità di questo studio consiste nell’aver messo a punto una metodologia di analisi che, partendo dall’osservazione degli effetti del terremoto sull’edificio, confronta il danno osservato ed il danno atteso, calcolato attraverso modelli basati su dati statisticamente affidabili, prevede una fase di rilevo delle caratteristiche geologiche, geomorfologiche, geotecniche e geofisiche dei siti di ubicazione delle chiese, arriva a quantificare, anche attraverso modellazioni numeriche della risposta sismica locale, l’influenza che la morfologia di questi siti può aver avuto nel determinare l’incremento dell’input sismico e conseguentemente del danno osservato.144 131