The Influence of High Temperature on the Petrographical, Gloss and Roughness Properties of Natural Stones

Yıl 2020, Cilt: 35 Sayı: 4, 937 - 948, 31.12.2020

Zehra Funda Türkmenoğlu Ali Özvan Elif Erdeve Özvan Mehmet Türkmenoğlu İsmail Akkaya Ogün Ozan Varol Mucip Tapan Esma Kahraman

https://doi.org/10.21605/cukurovaummfd.868785

Cited By: 1

Öz

Natural stones are generally used in buildings as building and covering stones. External factors such as fire cause irreversible damage to buildings both structurally and aesthetically. High temperatures can cause damage to the surface and microstructure of natural stone. It is important to know the degree of damage of natural stones in advance in terms of choosing the place of use. In this study, the effects of high temperature on the petrographical, gloss and roughness of natural stones were investigated. To this end, natural stone samples were heated between 100oC and 900oC temperatures and kept for 1 hour at these temperatures. Then, the petrographical, gloss and roughness properties of natural stone samples were determined. As a result, a decrease in the gloss values and an increase in the roughness values of the samples were observed due to the deterioration of the mineralogical structure of natural stones at 700oC and above temperatures.

Anahtar Kelimeler

Natural stones, High temperature, Petrographical properties, Gloss, Roughness

Yüksek Sıcaklığın Doğal Taşların Petrografik, Parlaklık ve Pürüzlülük Özelliklerine Etkisi

Öz

Doğal taşlar binalarda genellikle yapı ve kaplama taşı olarak kullanılmaktadırlar. Yangın gibi dış etkenler binalara hem yapısal hem de estetik açıdan geri dönüşü olmayan zararlar vermektedir. Yüksek sıcaklıklar doğal taşın yüzey ve içyapı özelliklerinde hasara neden olabilmektedirler. Doğal taşların bu hasardan etkilenme derecelerinin önceden bilinmesi kullanım yerinin seçilmesi açısından önemlidir. Bu çalışmada, yüksek sıcaklığın doğal taşların iç yapı, parlaklık ve pürüzlülük özelliklerine etkileri araştırılmıştır. Bu amaçla, doğal taş numuneleri 100oC ile 900oC arasındaki sıcaklıklara ısıtılarak bu sıcaklıklarda 1 saat bekletilmiştir. Daha sonra doğal taş numunelerinin petrografik, yüzey parlaklık ve yüzey pürüzlülük özellikleri belirlenmiştir. Sonuç olarak, yüksek sıcaklığın (700oC ve üzeri) doğal taşların mineralojik yapısında bozulmalara neden olmasından dolayı numunelerin parlaklık değerlerinde azalış ve pürüzlülük değerlerinde artış gözlenmiştir.

Anahtar Kelimeler

Doğal taşlar, Yüksek sıcaklık, Petrografik özellik, Parlaklık, Pürüzlülük

Kaynakça

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