@article {3027,
	title = {Modelling the compressive mechanical behaviour of granite and sandstone historical building stones},
	journal = {Construction and Building Materials},
	volume = {28},
	number = {1},
	year = {2012},
	note = {<p>n/a</p>
},
	pages = {372-381},
	abstract = {<p>Building stones, particularly sandstone and granite, are very important in the building elements of Portugal{\textquoteright}s historical and cultural heritage. Experimental research, based on uniaxial compressive tests, was carried out on selected representative samples of lithotypes of rocks used in historic built heritage, with a view to evaluating the compressive mechanical behaviour of different building stones. The results showed that porosity plays a central role in the compressive behaviour of granites and sandstones. As porosity can be evaluated in field conditions with non-destructive tests it was decided to derive an analytical model to predict compressive behaviour based on the knowledge of porosity of the building stones. A cubic polynomial function was adopted to describe the pre-peak regime under compression to implement the model. Furthermore, a statistical correlation between mechanical and porosity data had to be defined. Good agreement between experimental and analytical compressive stress{\textendash}strain diagrams, from which the mechanical properties like compressive strength and modulus of elasticity can be derived, was achieved.</p>
},
	keywords = {Analytical, Compression, Experimental, Non-destructive, Porosity, Properties, Stone},
	isbn = {0950-0618},
	url = {http://www.sciencedirect.com/science/article/pii/S0950061811005162},
	author = {Ludovico-Marques, Marco and Chastre, Carlos and Vasconcelos, Gra{\c c}a}
}
