Investigation of thermal and mechanical behavıors of construction materials obtained from some natural stone waste

Yıl 2018, Cilt: 157 Sayı: 157, 185 - 190, 15.12.2018

Gökhan Erol , Devrim Pekdemir

https://doi.org/10.19111/bulletinofmre.428318

Cited By: 1

Öz

In this study, thermal and mechanical behaviours of composite building materials obtained from different kinds of natural stone wastes were investigated. First of all, XRD, chemical and grain size distribution analyses were carried out to identify the natural stone wastes to be used. 60% granite (magmatic), 35% recrystallized limestone (metamorphic) and 5% pure aluminium oxide (Al2O3) materials were used in the prepared mixture. The prepared mixture was shaped in a steel mould 75x20x50 mm in size by adding 7% shaping water and fired at 1140 ° C, 1150 ° C and 1160 ° C. Following that XRD analyses, colour determination, water absorption coefficient, bending strength, Young’s Modulus, bulk density, apparent density and open porosity tests were performed on the samples. According to the XRD analyses results gehlenite, anorthite and wollastonite phases were detected. In accordance with the results of other experiments and analysis, it was found that bending strength, Young’s Modulus and mass density values have increased, but on the other hand water absorption coefficient, apparent density and open porosity values had decreased after the firing process.

Anahtar Kelimeler

Natural Stone, Granite, Limestone, Thermal-Mechanical Behaviour, Waste

Kaynakça

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