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Effect of Salt Crystallization on Microfracture Properties of the Basalts Used in Diyarbakir City Walls, Turkey
Date
2018-10-08
Author
Dursun, Felat
Topal, Tamer
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The Diyarbakır City Walls, which were recently added to UNESCO’s World Heritage List, are among the most impressive surviving structures from ancient times. Basalt is the principal construction material employed in the City Walls. Like many other historical structures, the Diyarbakır City Walls are also suffering from stone deterioration. It is known that weathering is strongly related to the type, amount, dimension, orientation and density of cracks. The extending of cracks, for instance, increases stone's surface area and consequently leads to physical, chemical and biological weathering. This makes it important to conduct microfracture studies of rock materials. In this study, it is aimed to understand how salt crystallization affects the microfractures properties of the basalts used in Diyarbakır City Walls. The studies confirmed that olivine and pyroxene are the most vulnerable minerals with the highest number of microcracks.
URI
https://hdl.handle.net/11511/86336
Conference Name
XII. International Conference of ASMOSIA (Association for the Study of Marble Other Stones in Antiquity), 8 - 14 Ekim 2018
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Department of Geological Engineering, Conference / Seminar
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Investigation on deterioration mechanisms on the basalts used in the Diyarbakır city walls
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The Diyarbakır City Walls (DCW), which were recently added to UNESCO’s World Heritage List, are among the largest and most impressive monuments from ancient times. Basalts having such different textural properties as massive and vesicular were employed as the principal material in the construction of the DCW. Like many other historical structures, the DCW are suffering from stone deterioration. A large variety of weathering forms can be observed on the basalts used in different sections of the DCW. This dis...
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The Diyarbakr City Walls (DCW), which were recently added to UNESCO's World Heritage List, are among the largest and one of the most impressive monuments from ancient times. The history of the DCW stretches back more than 4000 years, therefore making the extant City Walls a combination and reflection of influences of the various civilizations that settled in the region. Basalts having such different textural properties as massive and vesicular were employed as the principal material in the construction of t...
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Stone monuments are the most visible and essential structures of our cultural heritage; however, many of the historical structures around the world are now suffering from stone deterioration. Diyarbakır City Walls, which were acknowledged the status of World Heritage Site by UNESCO, are among the most extensive surviving structures from ancient times. The City Walls have also some deterioration related problems. Basalts having such different textural properties as massive and vesicular were employed as the ...
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The Hasankeyf Antique City located in southeastern Anatolia (Turkey) includes several historical heritages and man-made caves. It is mainly located in dolomitic limestone. The city will be partly under water after reservoir impounding of the Ilisu dam, and the limestone will be subjected to cyclic processes such as wetting-drying and freezing-thawing. Although a new town is formed and part of the city is transported to a nearby area, this cannot be done for many existing historical and cultural values at th...
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F. Dursun and T. Topal, “Effect of Salt Crystallization on Microfracture Properties of the Basalts Used in Diyarbakir City Walls, Turkey,” presented at the XII. International Conference of ASMOSIA (Association for the Study of Marble Other Stones in Antiquity), 8 - 14 Ekim 2018, İzmir, Türkiye, 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/86336.
