Rzeźba św. Jana Nepomucena z Placu Trzech Krzyży w Warszawie : interpretacja zmian wietrzeniowych na podstawie poszerzonych badań konserwatorskich

• Authors: Procyk Wiesław

Title variants

EN

The Statue of St. John Nepomucen in Trzech Krzyży Square in Warsaw — an Interpretation of Weathering Changes upon the Basis of Expanded Conservation Studies

• Languages of publication: PL EN

Abstracts

EN

The presented article focuses interest on analyses and an attempted interpretation of changes observed within an eighteenth-century statue made of domestic sandstone. This material could serve as a basis for a scheme of conservation documentation. The intention of the author is to illustrate and explain certain phenomena occurring in the course of work on the object. Scanning and analyses of thin cuts disclosed the specificity of the location and origin of airtight build-up complexes. Computer analysis and a comparison of diagrams of spectra contained in diffraction patterns, which could cast light on eventual differences between the composition, indicated an identical shape of the “peaks”, i. e. similar mineral composition. A rare granular disintegration of quartz grains was discovered in the course of examining the weathered structures of the statue in Trzech Krzyży Square in polarised light. This factor could have exerted an impact on, i. a. considerable effective porosity and increased absorptivity, also recognised in the context. As a consequence, the range was expanded by including the effects of conservation. In the current situation, when financial funds suffice only for intervention, research remains limited. The packet of studies applied in the course of work, constrained in a routine- like manner, will never explain all the problems. The possibility of a macroscopic observation of the outcome of the phenomena, which cannot be interpreted to the very end, provides mistaken results in the assessment of the progress made by destructive processes. The conclusions are obvious.

Keywords

PL

św. Jan Nepomucen; Plac Trzech Krzyży w Warszawie; konserwacja; analiza dyfraktometryczna; porowatość kamienia; wietrzenie kamienia

• Publisher: Narodowy Instytut Dziedzictwa
• Journal: Ochrona Zabytków
• Year: 2000
• Issue: 2
• Pages: 142-152

Dates

published

2000

Contributors

author

Procyk Wiesław

References

• M. Kwiatkowski, Plac Trzech Krzyży, „Rocznik Warszawski” XXI, 1990, s. 47.
• Przewodnik do ćwiczeń z geologii dynamicznej, pod red. W. Jaroszewskiego, Warszawa 1969, s. 146.
• G. Niemczynow, J. Burchart, Mały słownik geologiczny, Warszawa 1966, s. 196.
• W. Ryka, A. Maliszewska, Słownik petrograficzny, Warszawa 1991, s. 256.

Identifiers

ISSN

0029-8247