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DIDACTIQUE

Pendant les dernières trios années, on a expérimenté une méthode éducative, couronnée par des cous dans les laboratoires de restauration du patrimoine architectural à l’Ecole Polytechnique de Milan.

Le coeur de ces cours était la connexion entre la figure du restaurateur et les autres professions, la dynamique du chantier de restauration et les modalités de fonctionnement d’une intervention conservative.

Le dialogue et la discussion avec les étudiants ont montré l’importance d’un débat entre tous les différents acteurs et la compréhension des aspects pratiques des différentes procédures qui constituent l’intervention de restauration conservative.

L’objectif de cette section est donc celui de fournir des matériels pédagogiques représentant les différents techniques d’intervention pour mieux comprendre les aspects liés à l’habileté manuelle, trait distinctif des restaurateurs et les modalités de fonctionnement, déterminant pour créer les connaissances nécessaires pour faire face à un intervention  fiable et réglementé.

Les vidéos montrent les différentes étapes comme décrit dans les instructions particuliers pour effectuer les opérations prévues  du manuel de la qualité.

DUOMO PULITURA A VAPORE

Intervention site: DUOMO Roman column in black serpentine marble
Technical intervention: cleaning by steam blasting
Description: after the treatment of the surfaces with a detergent based on ammonium carbonate and EDTA, the surfaces were steam-cleaned, facilitating the removal of previous wax-based treatments that covered the surfaces.

DUOMO PULITURA AD IMPACCO

Intervention site: DUOMO OF MILANO Bas-relief in Candoglia marble
Technical intervention: cleaning by wrapping with paper pulp
Description: the surfaces were treated by applying a gel-like mixture prepared by mixing Arbocell 1000 used for complexing a preparation of AB57. After removal of the complexing mixture, the surfaces were rinsed with distilled water.

DUOMO PULITURA
FORMULATO IN GEL

Intervention site: DUOMO OF MILANO Tombstone in Candoglia marble
Technical intervention: cleaning by GEL packing
Description: the surfaces have been treated by application of a AB57 based gel. After removal of the complexing agent, the surfaces have been rinsed with deionised water.

DUOMO PULITURA
MICROAEROABRASIONE

Intervention site: DUOMO OF MILAN bas-reliefs in Candoglia marble
Technical intervention: surface cleaning by a wet micro-air-abrasive process
Description: the surfaces with traces of epoxy crystallized were treated by cleaning with a machine that allows the mixing of water, air and a very fine inert material (150 mesh garnet), balancing the three elements to achieve the desired effect, acting on pressure, the amount of water and inert.

PULITURA SCULTURA
S. FRANCESCO DI PAOLA

Intervention site: SAN FRANCESCO DI PAOLA CHURCH - MILANO high relief
Technical intervention: cleaning by GEL pack
Description: the surfaces have been treated by application of a AB57 based gel. After the removal of the complexing agent, the surfaces have been rinsed with deionised water by using nylon brushes.

SAGGI PRE INTERVENTO
S.M. AL PARADISO MILANO

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Intervention site: SANTA MARIA AL PARADISO CHURCH - MILANO internal surfaces
Technical intervention: various– stratigraphic assays and cleaning tests
Description: before each intervention it is customary to investigate the surfaces searching for the different layers, repaintings and morphological aspects of the constituting materials in order to optimize the proposed intervention and to ensure a fair economical balance between the estimate and the final work. The preliminary tests constitute the optimal handbook approach to a conservative restoration.

STUCCATURA ELEMENTO IN PIETRA

Intervention site: SAN FRANCESCO DI PAOLA CHURCH - MILANO sandstone moldings
Technical intervention: grouting and reconstruction work
Description: the paste, made with marble powder and natural hydraulic lime, was prepared during the restoration work, until the desired plasticity was obtained. Finally acting with sponges and brushes it was blended in with the original context.

MICROAEROABRASIONE SCULTURA

Microaeroabrasione

Intervention site: SAN FRANCESCO DI PAOLA CHURCH - MILANO sculptures in limestone
Technical intervention: surface cleaning with a dry micro-air-abrasive process
Description: the surfaces which showed insoluble or difficult to reach black crusts have been treated by using a dry micro sandblasting machine, using very low pressures and a very fine inert material (aluminum oxide 200mesh).


STUCCATURA SUPERFICI PIANE

Intervention site: SAN FRANCESCO DI PAOLA CHURCH - MILANO bottom plane plaster
Technical intervention: gaps grouting
Description: the paste, made with marble powder and natural hydraulic lime, was prepared during the restoration work, until the desired plasticity was obtained. Finally acting with sponges and brushes it was blended in with the original context.

INTERVENTI CHIESA DI SAN VITO

Intervention site: SAN VITO CHURCH – CREMIA (CO)
Technical intervention: manual plaster removal, plaster removal with pulsing engraver, plaster consolidation by injection, pictorial integration, grouting of the painted surfaces, cleaning of the plaster by micro-air-abrasion
Description: the complex intervention involved all the internal surfaces of the church and the restoration of the Romanesque bell tower. The report shows some salient steps of the intervention focusing on the techniques used and the treated surfaces.

MICROAEROABRASIONE

Microaeroabrasione

Intervention site: LANDRIANI PALACE MILANO - MILANO Terracotta features
Technical intervention: surface cleaning with a dry micro-air-abrasive process
Description: the surfaces which showed insoluble or difficult to reach black crusts have been treated by using a dry micro sandblasting machine, using very low pressures and a very fine inert material (aluminum oxide 200mesh).

PULITURA MEDIANTE IMPACCO

Pulitura mediante impacco

Intervention site: LANDRIANI PALACE – MILANO – frescoed lunette
Technical intervention: cleaning by wrapping with paper pulp
Description: the surfaces were treated by applying a gel-like mixture prepared by mixing Arbocell 1000 used for complexing a preparation of AB57. After removal of the complexing mixture, the surfaces were rinsed with distilled water.

RICOSTRUZIONE ELEMENTI ARCHITETTONICI

Microaeroabrasione

Intervention site: Mezzano San Giuliano Milanese
Technical intervention: reconstruction of the vestibule, by using original techniques and materials.
Description: Preservation of the ossuary, at the beginning of the restoration the ossuary appeared devoid of the prothyrium, because of a collapse due to structural failure. During the excavation the bases of the columns that supported this element were recovered. The stone elements were recovered after the collapse and were reused for the current reconstruction.
Performed intervention: an excavation was carried out to highlight the foundations of the original structure, constituted by two stone bases. Over these the two granite columns were raised and subsequently, through an accurate measurement procedure, a wooden rib was prepared to be used as a template upon which to lay the bricks. Once the masonry structure was completed, it was possible to dismantle the rib and subsequently coating and finish the obtained surface.

 

© Restauratore Eros Zanotti - Iscrizione albo artigiani n°410910 - Att.ne SOA OS2A Classifica 2° n°10856AL/23/00