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Wybrane zagadnienia wzmocnienia konstrukcji zabytkowego pałacu w Dobrzycy

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Minch M., Trochanowski A.

Ochrona Zabytków

1997

issue 1

24-29

The authors present select technical possibilities o f performing the reinforcement, repair and reconstruction o f the building. The characteristic feature o f the prepared complex programme and timetable for reinforcing the palace is a preventive stabilisation o f the solid by means o f balancing the inner stress. For conservation reasons, reinforcement could be carried out only in the inner-ceiling areas of the building, with a considerably complicated carrying system, which created difficulties in placing suitably rigid construction systems. In those areas, use was made o f bracing steel bowstrings. An additional rigidity o f the solid on the level o f the ceiling over the ground floor was obtained with the help o f a prestressed trim, combined with steel bowstrings and a reinforced concrete ring on the level o f the crown of the walls. A number o f reinforcements and local repairs of the construction was conducted inside the building. The reinforcement considerably increased the spatial rigidity of the building, protecting it against the recurrence o f construction damage. In this way, it was feasible to achieve the possibility o f further stable reconstruction as well as the conservation of the historical palace interiors and the elevation o f the building.

Rewaloryzacja pałacu w Dobrzycy : opis wybranych badań i prac konstrukcyjnych

100%

Rapp P., Wawrzyniak P.

Ochrona Zabytków

1997

issue 1

30-38

The article presents a report from architectonic-archaeological reserch and construction work conducted in the palace at the turn o f 1993. Two groups o f studies and work are described: the construction of new foundations under the wall next to the main staircase and the reinforcement of the foundations and protection o f the columns o f the portico. N ew foundations and wall supports next to the main staircase were built owning to their shallow foundation on weak soil, without combined footing, which led to a considerable settlement and deformation o f the walls and ceilings o f the upper storeys. The reinforcement o f the walls was carried out by means o f steel beams placed in grooves above floor level. The new foundation under the walls was made o f steel grade, in concrete and based on existing combined footing and four additionally made wells. The reinforcement o f the portico foundations and the protection o f the portico columns was performed by a partial rebuilding of the brick foundation with injections of epoxide resins and the reinforcement o f the basis with injections o f mortar on a cement base. The work was carried out under archaeological-architectonic supervision. On the site discoveries were made of brick-stone constructions and remnants o f foundations from the eighteenth-century expansion o f the palace. The 1 9 8 9— 1991 studies of the whole object were supplemented. The investigation results point to the fifteenth-century origin of the object and make it possible to follow the consecutive phases o f its expansion.

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2 Ochrona Zabytków

1 Minch M.

1 Rapp P.

1 Trochanowski A.

1 Wawrzyniak P.

2 1997

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Wybrane zagadnienia wzmocnienia konstrukcji zabytkowego pałacu w Dobrzycy

Rewaloryzacja pałacu w Dobrzycy : opis wybranych badań i prac konstrukcyjnych