The last National Risk Assessment NRA for Italy was developed at the end of 2018 by the Department of Civil Protection (DPC) in response to the specific requirement of the Sendai Framework for Disaster Risk Reduction 2015–2030 to periodically adjourn the assessment of disaster risk. The methodology adopted to perform seismic risk assessment and build national seismic risk maps was specifically developed to comply with the recent Code for Civil Protection, issuing that, in addition to a solid scientific base, risk assessment should be characterized by a wide consensus of the scientific community. As a result, six research units belonging to two Centers of Competence of the DPC, namely ReLUIS (Network of university laboratories for seismic engineering) and EUCENTRE (European Centre for Training and Research in Earthquake Engineering), collaborated under the guidance and coordination of DPC to produce the recent updating of national seismic risk maps for the residential building stock. This paper describes the methodology adopted to develop the consensus-based national seismic risk assessment and presents the main results in terms of expected damage and impact measures (unusable buildings, homeless, casualties, direct economic losses).
The reconstruction process of residential buildings severely damaged by the 06 April 2009 L’Aquila earthquake, the so called “heavy damage” reconstruction, started after the “light damage” reconstruction process. The “heavy damage” reconstruction involved buildings outside the historical centres assessed as unusable due to high structural and/or non-structural risk. The costs of repair and strengthening of both the “light damage” and the “heavy damage” were directly funded by the State. The procedures to deal with funding applications made by private owners were similar to those related to the “light damage” reconstruction, but specific regulations were issued to regulate the public contributions of severely damaged buildings in L’Aquila and other municipalities. The paper describes such regulations and the data collected during the approval process of funding applications. In particular, the discussion focuses on: the time for the approval of funding applications; the types and costs of the different repair and strengthening interventions designed by practitioners to attain the usability recovery of buildings; the State funding for repair works, strengthening works, tests on material for their mechanical characterization, energy efficiency upgrading, and, in several cases, for demolition and reconstruction; the correlation between structural types of buildings and costs. The process of assessment and State funding of repairs and upgrading of residential buildings outside historical centres that were damaged by the L’Aquila earthquake took less time than past Italian earthquakes with similar or even lower impacts. The data presented may help, inform and encourage decision makers to establish priorities and reconstruction policies for use in the aftermath of future earthquakes. Being prepared for destructive earthquake impacts requires identification of the procedures and tools required to quickly start the reconstruction phase. © 2016 Springer Science+Business Media Dordrech
Assessment of the seismic damage and usability of the building stock started a few days after the L’Aquila earthquake in order to evaluate the safety conditions of the buildings concerned. Several ordinances of the Prime Minister were issued to regulate the reconstruction process. In particular, based also on damage level, the procedures for repair, strengthening or demolition/reconstruction of residential buildings were established with the definition of relevant state funding. For each damaged building, practitioners engaged by property owners designed repair and strengthening interventions and then computed the corresponding costs. These projects were the technical basis for funding applications that owners submitted to the government. Technical and financial information collected during the approval procedure of such applications allowed compilation of a database regarding 5775 residential buildings damaged by the L’Aquila earthquake. The present study examines the restoration policy and the procedures regulating the reconstruction process of residential property outside city centres. In particular, the data related to the first phase of the reconstruction process (the so-called “light damage” reconstruction) to recover the usability of slightly damaged buildings are illustrated. The discussion focuses on the time-to-approval of funding applications and on the public contributions granted for repair and local strengthening works. © 2016 Springer Science+Business Media Dordrech
The ISTIMES project, funded by the European Commission in the frame of a joint Call “ICT and Security” of the Seventh Framework Programme, is presented and preliminary research results are discussed. The main objective of the ISTIMES project is to design, assess and promote an Information and Communication Technologies (ICT)-based system, exploiting distributed and local sensors, for non-destructive electromagnetic monitoring of critical transport infrastructures. The integration of electromagnetic technologies with new ICT information and telecommunications systems enables remotely controlled monitoring and surveillance and real time data imaging of the critical transport infrastructures. The project exploits different non-invasive imaging technologies based on electromagnetic sensing (optic fiber sensors, Synthetic Aperture Radar satellite platform based, hyperspectral spectroscopy, Infrared thermography, Ground Penetrating Radar-, low-frequency geophysical techniques, Ground based systems for displacement monitoring). In this paper, we show the preliminary results arising from the GPR and infrared thermographic measurements carried out on the Musmeci bridge in Potenza, located in a highly seismic area of the Apennine chain (Southern Italy) and representing one of the test beds of the project.
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