Özet:
Conservation of built heritage is an important subject for both culturally and
scientifically. Stone, as the dominant component of the structures, has the major
importance among the materials. There has been a great interest and research on
stone conservation for decades. However, for being a natural resource, there
are hundreds of different stone types used in cultural heritage sites and each site
should have been treated individually because of that uniqueness.
In this study, different types of Turkish stones (Ankara, Bitlis, Mardin and Nevsehir)
have been investigated. They have been chosen for being not only important for
geoheritage of Anatolia, but also a construction material for valuable architectural
heritage.
In the first part of the study, manual weathering cycles (frost-thaw and thermal
degradation) have been applied. Thermal degradation experiment plan has been
created by using Design Expert 7.0 software. The results have been compared with
automated ageing cycles that took place in the weathering cabinet.
In the second part of the study, DAP (Diammonium Phosphate) treatment has been
applied on raw samples and effectiveness of the consolidant have been evaluated by
analyzing surface hardness, surface roughness, ultrasonic pulse velocity, drilling
resistance, color and hydric properties.
As the last part of the study, a soft capping (plant covering) simulation has been
performed on Mardin and Nevsehir stones. The data of temperature difference has been
collected and results have been analyzed by comparing the samples.
