Abstract
This study defines the assemblage, materials, and mechanical parameter of the XIV century Bargello Palace at Florence (Italy). For this purpose, according to the rule in force, NDT and LDT had been performed on the Bargello walls, namely: direct observations, georadar, ultrasonic, thermic, DAC-test, and endoscopy. The results outline that the Bargello masonries are well done, as use in Florence in the XIV–XV centuries; they are solid walls, made in tightly sealed flat quoins, with external facing and internal plastering, and with a percentage of stones to mortar equal to about 70%. The results allow assigning of the Bargello’s masonry to one of the categories provided by the rules in force, with the relative mechanical parameter values for the need of a seismic verification assessment.
Highlights
In 1574, the Palace became prisons and the law Court, under the chair of the Bargello, which was the name of the chief of the City Guards, from which the present historical name
According to the Bargello Museum Administration and under the supervision of the Opificio delle Pietre Dure staff (OPD, a technical Institute of the Ministry of Culture for conservation works), non-destructive investigation techniques (NDT) and low destructive direct (LDT) had been performed on the external walls of the back yard curtain, and inside the Magdalena Chapel, in order to define materials, assemblages, and technical properties of the masonry; descaling of plasters, essays, small trenches, and flat-jack had been not permitted by the local authority
For the investigation of the Bargello’s masonry, many techniques had been applied: Ground Penetrating Radar (GPR), thermography, ultrasonic, DAC-test, endoscopy, and the result located in a full HBIM 3D model for a better understanding
Summary
The conservation of historical, cultural buildings is fundamental for ensuring the prolongation of their life and cultural witness of ancient culture and construction techniques; their conservation deserves special attention, because they are symbols of a culture and represent the local community as a whole. They are under local, country, and UNESCO patronage and cannot be subject of invasive investigation. Conservation of heritage buildings must preserve “Integrity” and “Authenticity” of the building, and “Vulnerability” must be reduced.
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