Abstract
The aim of this study is to investigate the effect of high temperature and identify important changes that occur when selected building stones (six french limestones and a sandstone) are laboratory-heated. Tests under high temperature such as thermogravimetric analysis, differential scanning calorimetry measurements but also thermal linear expansion tests were conducted in order to establish the thermo-chemical–mechanical behaviour of these materials when subjected to high temperature. Furthermore, these stones were exposed to four different heating–cooling cycles (200, 400, 600, 800 °C). Then, mechanical tests were performed to determine the evolution of compressive strength, tensile strength and dynamic elastic modulus.
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