Browsing by Author "Deniz K."

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Archaeometric Analyses of the Building Materials for the Karabük Ovacik Çukur Mosque
(2021-01-01) Eroğlu M.; Bilgen M.; Yetiş E.; Kadıoğlu Y.K.; Deniz K.
This study aims to determine the conservation status of Karabük Ovacık Çukur Mosque building materials using analytical methods. Çukur Mosque is connected to the Ovacık district of Karabük and is 12 km away from the district center. The distance between Karabük and Ovacık is 48 km. Originally, the wooden roofed building consisted of a harim. Stone, mortar, rendering, and paint samples of the mosque were examined due to their architectural properties, dated to the end of the 19th and beginning of the 20th century. Analytical methods were used to determine the physical, chemical, and petrographic properties of building materials, including raw material samples. The following techniques were used for performing the analysis: Silicate aggregate/binder analysis, granulometric sieve analysis-particle size distribution, X-Ray Fluorescence analysis, Confocal Raman Spectroscopy analysis, Fourier Transform Infrared Spectroscopy analysis, and petrographic examinations. Material samples were photographed, documented, and coded for laboratory studies within the scope of the study. The results showed the identification of aggregate-binder properties in mortars and renderings and cement in some samples. Conversely, various pigments of mineral origin and organic properties were identified in paints.
Investigations of Painting Techniques: Edirne Süleyman Pasha Mosque Wall Paintings
(2022-01-01) Yetiş E.; Eroğlu M.; Eskici B.; Gür M.; Deniz K.; Kadıoğlu Y.K.
Decorative wall paintings created in the Ottoman era are called kalem işi, and they are generally created using various pigments and binding media on dry rendering, or via lime-paint technique. However, detection of some decorative wall paintings that were applied on wet plaster in Süleyman Pasha Mosque located in Edirne, Turkey, has led to a more detailed analytical examination. Our study aims to research the techniques used on some painting fragments which were found while removing cement renderings during the restoration of the Mosque. The fragments were revealed in 2019 and were taken under protection as these were stylistically different from the existing paintings of the Mosque. The original location of the fragments on the wall could not be located and in situ conservation is not possible, but research continues. Initially, traces of preparatory drawing, which is thought to be the incising technique, were found on the paintings drawn on the rendering fragments. Then, SEM-EDX, FTIR spectroscopy, confocal Raman spectroscopy, and PED-XRF analyses were carried out along with examinations by optical microscopy. Following these results, experimental reconstructions of the paintings were made on test materials and a story about the painting techniques was revealed, indicating that these paintings were drawn on wet rendering (fresco). Therefore, it is considered that there may be different wall painting techniques in Ottoman architecture and that research in this direction should be increased.