Physical and Mechanical Properties of Marble at Kao Sawang Arom, Phran Kratai District, Kamphaeng Phet Province

Abstract

Study of thermal and physical properties of marble at Kao Sawang Arom, Phran Kratai District, Kamphaeng Phet Province found that the thermal conductivity of pink marble and gray marble are 0.428 W/m×K and 0.418 W/m×K respectively. When testing the ability to absorb pressure it found out that the modulus of rupture of pink marble and gray marble are 1,543.55 ± 211.35 kg/cm² and 1,811.35 ± 442.64 kg/cm² respectively. The analysis of the oxide compounds in pink and gray marble with x – ray fluorescence technique (XRF) revealed that the pink marble contained the oxide compounds with percentage by weight sort by descending order as follows; CaO 56.277 wt%, SiO₂ 0.192 wt%, P₂O₅ 0.157 wt%, Al₂O₃ 0.052 wt% and other oxide elements. The pink marble had a loss on ignition with 43.25%. The gray marble contained the oxide compounds with percentage by weight sort by descending order as follows; CaO 56.246 wt%, P₂O₅ 0.152 wt%, SiO₂ 0.139 wt%, MgO 0.091 wt% and other oxide elements. The gray marble had a loss on ignition with 43.29%.