Built in 1474, the Convent was completely transformed into Baroque style in the second half of 1600. The complex, which developed on two floors and was characterized by the main walls made in stone and brick, was in a poor condition of conservation. The worst damage, in addition to the damages to the openings, was the one discovered on the barrel vault of the church hall, caused by the concentrated load of the roof’s wooden framework on the small brick pillars of the roof.
The pre-existing situation brought to the decision to proceed with a complete replacement of the roof trusses, main roof beams and roof purlins. In addition, the main roof frame and the secondary one in steel, and wood and magnesite panels were built, adding waterproof sheets made of a water repellent breathable fabric, supported by steel connecting roof curbs.
The strengthening of the vaults was accomplished by the insertion of metal wedges in the mortar joints, and the subsequent pointing with hydraulic mortars and control of shrinkage. The anti-seismic improvement of the same was achieved by applying a 20 cm wide bi-directional carbon fiber, anchored by means of reinforced perforations on epoxy concrete support. Sometimes, the barrel vaults of the first level were reinforced using metal bands that follow the contour of the vaults themselves, made up of 6 mm metal sheets connected to the masonry by stainless steel threaded rods in perforations and solidified with epoxy resin pastes.
SCHEDA LAVORO
