Conservazione e resilienza nell'esperienza di Palazzo Carli a L'Aquila. Riflessioni su un approccio metodologico per edifici storici in contesti post-catastrofe

The paper presents a methodological approach for increasing resilience in the recovery and restoration process of historic buildings in post-disaster contexts. That approach is based on the use of consolidated practices in the field of recovery of historic buildings paired with methodological phases aimed at buildings that after a traumatic event are highly damaged. To evolve and specialize such models four analysis phases have been implemented: analysis on the congruity and efficiency of construction techniques and materials; analysis for the management of the incongruous bearing elements; analysis for the management of the provisional systems put in piece on the building; bioclimatic analysis. Bach of the new phases will concur in the definition of strategies geared toward informing a design compatible in a functional and constructive sense to the historical, environmental, architectural ad constructive values present in the building. The paper then moves on in illustrating a case study relative to the complex of Palazzo Carli in L'Aquila, a piece of urban fabric vastly damaged after the 2009 earthquake. The case study shows how the presence of severe damage on the building can be used to determine some constructive aspects of the building; how the incongruous bearing elements can be identified and evaluated for their future management; what information can be derived from the provisional measures set in place after the earthquake; and how the bioclimatic behaviour has been studied to inform the strategies. After the analysis the resulting strategies have been described, highlighting those regarding the most damaged portion of the building. The authors conclude that while starting from a severely damaged status can surely be considered a challenge the use of a methodological approach tailored towards buildings in post-disaster context could make the situation advantageous in terms of increasing the resilience of the building with the recovery process.