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RESTORATION OF A MEDIOEVAL CHAPEL
RESTORATION OF A MEDIOEVAL CHAPEL
Lemie, Italy
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Other Projects by Luigi Rajneri
RESTORATION OF A MEDIOEVAL CHAPEL
Lemie, Italy
Firm
STATUS
Built
YEAR
2014
SIZE
0 sqft - 1000 sqft
BUDGET
$100K - 500K
The restoration of the chapel of San Giulio. 2010-2014.
Luigi Rajneri
Designer and project manager work
"Man can live without science,
can live without bread,
but only without beauty he could no longer live,
because there would be nothing left to do in the world.
The whole secret is here, the whole story is here "
F. M. Dostoevsky
The chapel of St. Giulio is founded on a rock above the road that connects Forno to Lemie. The building consists of two volumes in stone built at different times. Body building apse is dated around the fifteenth century; the other artifact has been added in the '700.
The fifteenth part consists of three walls in regular courses of stone, topped by a barrel vault of which were directly supported the stone roof. Probably the front open and in front of the old path was protected by a gate. The portion added in the eighteenth century is mixed masonry, both size and quality and origin of the stone blocks; the irregularity of the course suggests that in ancient times was plastered.
The project aims to safeguard the precious frescoes attributed to the school jaqueriana and aims to enhance the scenically valuable building.
The first batch of interventions took place between 2010 and 2011, the second batch started in 2013 and ended in 2014.
The operations were performed by the company Airoc, and I used the experience of Professor Giorgio Nicola Siniscalco for static analysis. The restorer credited that oversees the most delicate operations is Dr. Enrico Salvatico.
The first inspections were carried out by the writer in 2009, and immediately appeared evident several critical issues that were likely to affect the keeping frescoes.
The stones over time had become highly hygroscopic, the mortars were broken in some places the water was stagnant at the foot of the chapel infiltrating inside, cover, covered with mosses, did not guarantee sufficient protection. The walls (60 cm thick.) Inside, on rainy days, were visibly wet, and struggled to dry despite opposing openings, given the humidity and exposure of the chapel.
In the first round of speeches they were made and put in place for safety of all critical issues that threatened to undermine the frescoes.
In the first place it has been removed stone roof coverage volume oldest and cleaned up the topsail of time. It then formed a new support surface formed by timber substrate treated on which is placed a cloth tarred "drip" to prevent infiltration. The stone roof were then repositioned and secured with grappling hooks into place.
The second phase of the work was concentrated on the external walls. They have been removed all the mortar joints, loose now, up to the base (the rocky spur). The new joints were reconstituted with pozzolanic mortars and in correspondence of cracks was used pozzolanic mortar with glass fibers to give solidity and consistency. The joints of the volume oldest were "brushed" to leave out the regular courses of the stone, while for the volume eighteenth courses irregular and different sizes of the blocks have required the coupling a satin, opaque where the core walls was composed from comminuted pieces.
In the basement, consolidating pozzolanic mortars injections have restored consistency also the inner layers of the wall. Additional injections of anti capillarity, the drainage on the outer perimeter (hidden by the inclined lose) and the impregnation of the stones with siloxane products, have guaranteed a return to a proper functioning of the volume, thus avoiding infiltrations.
The first phase ended with the restoration of the door and the positioning of props under the vault of the body eighteenth century, heavily damaged and in danger of collapse.
Work on completion of the second batch began in autumn 2013.
The timing of procedure, prior to the actual start of work, had a rather long gestation period because of the complexity of the work involved. The constructive dialogue with the Department and its officials has led to the design of static recovery techniques recently acquired, although well established.
In the second session of work was expected, by the writer, one phase of work on the building and a phase of redevelopment of the landscape in which it is the chapel.
The first surgery was performed on the cover dell'avancorpo. It, with its own weight, the undersizing of the ridge beam and accidental loads impending winter, was the main cause of the static flow volume and especially the vault.
The ridge beam has been reinforced, the struts ammalorati replaced, and the system beam / struts was made integral dall'assito in wood. The lose were relocated on the drape drip and fixed with grappling hooks steel.
The most delicate phase of the work is to restore the static time. The characteristic pattern of injuries indicates and confirms the dynamic that generated the failure. The thrust of the coverage and the degradation of the mortars have caused rotation towards the outside of the perimeter walls, and consequently the bulging downwards of time.
The inability to consolidate the artifact from above (both for the lack of space, both for an unwary attempt of consolidation occurred some decades ago), has made it necessary, as mentioned, the adoption of techniques of recent acquisition, but of proven effectiveness. The same professor. Siniscalco was among the first to experience, and to apply in many projects, and to standardize, such techniques. It was, therefore, made to apply the carbon fibers bidirectional intrados glued with two-component resins. The fibers, as is known, have significantly higher tensile strengths to steel, although limited in their thickness, and allow, following their pose, to reinstate the plasters were removed, remaining totally concealed. The seams so made are capable of restoring solidity and compactness to a volume that was left untied because of degradation of the materials through the passage of time, thus reconstituting the unique structural old.
Following the consolidation we are able to remove the struts starting work on the floor. The floor was visibly uneven, and almost all the stones that form it were unglued and unstable was then made an accurate survey to catalog the exact location of the stone slabs to remove them, make the bed laying with devices that isolate the 'internal infiltration, Route piping of the electrical system to light the frescoes and finally place them back in their original position. It was also planned to install a transparent barrier, which prevents' getting too close to the frescoes of the visitors; the central part of the barrier of safety glass is openable to allow access to the altar officiant. The positioning of two metal halide headlights to illuminate the frescoes concludes the cycle of machining operations inside the article.
The final phase of the work relates to the landscaping and enhancement of the site.
The recovery of the old mule track, his enlightenment, the enlargement of the area in front of the chapel to make it a resting place and not passing, positioning a seat in stone, the flooring of the churchyard with local materials and techniques and finally the creation Parking in smolleri aboard the provincial, complete the work and enhance a site of great historical and artistic.
Luigi Rajneri
Designer and project manager work
"Man can live without science,
can live without bread,
but only without beauty he could no longer live,
because there would be nothing left to do in the world.
The whole secret is here, the whole story is here "
F. M. Dostoevsky
The chapel of St. Giulio is founded on a rock above the road that connects Forno to Lemie. The building consists of two volumes in stone built at different times. Body building apse is dated around the fifteenth century; the other artifact has been added in the '700.
The fifteenth part consists of three walls in regular courses of stone, topped by a barrel vault of which were directly supported the stone roof. Probably the front open and in front of the old path was protected by a gate. The portion added in the eighteenth century is mixed masonry, both size and quality and origin of the stone blocks; the irregularity of the course suggests that in ancient times was plastered.
The project aims to safeguard the precious frescoes attributed to the school jaqueriana and aims to enhance the scenically valuable building.
The first batch of interventions took place between 2010 and 2011, the second batch started in 2013 and ended in 2014.
The operations were performed by the company Airoc, and I used the experience of Professor Giorgio Nicola Siniscalco for static analysis. The restorer credited that oversees the most delicate operations is Dr. Enrico Salvatico.
The first inspections were carried out by the writer in 2009, and immediately appeared evident several critical issues that were likely to affect the keeping frescoes.
The stones over time had become highly hygroscopic, the mortars were broken in some places the water was stagnant at the foot of the chapel infiltrating inside, cover, covered with mosses, did not guarantee sufficient protection. The walls (60 cm thick.) Inside, on rainy days, were visibly wet, and struggled to dry despite opposing openings, given the humidity and exposure of the chapel.
In the first round of speeches they were made and put in place for safety of all critical issues that threatened to undermine the frescoes.
In the first place it has been removed stone roof coverage volume oldest and cleaned up the topsail of time. It then formed a new support surface formed by timber substrate treated on which is placed a cloth tarred "drip" to prevent infiltration. The stone roof were then repositioned and secured with grappling hooks into place.
The second phase of the work was concentrated on the external walls. They have been removed all the mortar joints, loose now, up to the base (the rocky spur). The new joints were reconstituted with pozzolanic mortars and in correspondence of cracks was used pozzolanic mortar with glass fibers to give solidity and consistency. The joints of the volume oldest were "brushed" to leave out the regular courses of the stone, while for the volume eighteenth courses irregular and different sizes of the blocks have required the coupling a satin, opaque where the core walls was composed from comminuted pieces.
In the basement, consolidating pozzolanic mortars injections have restored consistency also the inner layers of the wall. Additional injections of anti capillarity, the drainage on the outer perimeter (hidden by the inclined lose) and the impregnation of the stones with siloxane products, have guaranteed a return to a proper functioning of the volume, thus avoiding infiltrations.
The first phase ended with the restoration of the door and the positioning of props under the vault of the body eighteenth century, heavily damaged and in danger of collapse.
Work on completion of the second batch began in autumn 2013.
The timing of procedure, prior to the actual start of work, had a rather long gestation period because of the complexity of the work involved. The constructive dialogue with the Department and its officials has led to the design of static recovery techniques recently acquired, although well established.
In the second session of work was expected, by the writer, one phase of work on the building and a phase of redevelopment of the landscape in which it is the chapel.
The first surgery was performed on the cover dell'avancorpo. It, with its own weight, the undersizing of the ridge beam and accidental loads impending winter, was the main cause of the static flow volume and especially the vault.
The ridge beam has been reinforced, the struts ammalorati replaced, and the system beam / struts was made integral dall'assito in wood. The lose were relocated on the drape drip and fixed with grappling hooks steel.
The most delicate phase of the work is to restore the static time. The characteristic pattern of injuries indicates and confirms the dynamic that generated the failure. The thrust of the coverage and the degradation of the mortars have caused rotation towards the outside of the perimeter walls, and consequently the bulging downwards of time.
The inability to consolidate the artifact from above (both for the lack of space, both for an unwary attempt of consolidation occurred some decades ago), has made it necessary, as mentioned, the adoption of techniques of recent acquisition, but of proven effectiveness. The same professor. Siniscalco was among the first to experience, and to apply in many projects, and to standardize, such techniques. It was, therefore, made to apply the carbon fibers bidirectional intrados glued with two-component resins. The fibers, as is known, have significantly higher tensile strengths to steel, although limited in their thickness, and allow, following their pose, to reinstate the plasters were removed, remaining totally concealed. The seams so made are capable of restoring solidity and compactness to a volume that was left untied because of degradation of the materials through the passage of time, thus reconstituting the unique structural old.
Following the consolidation we are able to remove the struts starting work on the floor. The floor was visibly uneven, and almost all the stones that form it were unglued and unstable was then made an accurate survey to catalog the exact location of the stone slabs to remove them, make the bed laying with devices that isolate the 'internal infiltration, Route piping of the electrical system to light the frescoes and finally place them back in their original position. It was also planned to install a transparent barrier, which prevents' getting too close to the frescoes of the visitors; the central part of the barrier of safety glass is openable to allow access to the altar officiant. The positioning of two metal halide headlights to illuminate the frescoes concludes the cycle of machining operations inside the article.
The final phase of the work relates to the landscaping and enhancement of the site.
The recovery of the old mule track, his enlightenment, the enlargement of the area in front of the chapel to make it a resting place and not passing, positioning a seat in stone, the flooring of the churchyard with local materials and techniques and finally the creation Parking in smolleri aboard the provincial, complete the work and enhance a site of great historical and artistic.
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