Mechanical Behaviour and Properties
The mechanical behaviour of composite specimens made from two mechanically incompatible natural building stones is the subject of the present paper. Attention is focused on a particular case, namely the porous oolitic limestone of Kenchreae used in the erection of the monuments at the Epidaurean Asklepieion in northern Peloponnesus and one of its candidate substitutes, the Alfopetra of Crete. The study is carried out experimentally. It is concluded that the mechanical properties of the composite specimen, considered as a whole, are strongly affected by the inclination of the adhesion plane and the dependence can be described by a non-monotonous relation. In addition strong strain discontinuities are recorded in the vicinity of the adhesion plane, which are responsible for cracking initiation in either of the two materials.
KeywordsPermeability Porosity Anisotropy Epoxy Calcite
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