Experimental study on the determination of strength of masonry walls


The results of a research project carried out on masonry panels obtained from structures struck by the Umbria-Marchigiano earthquake of 1997-1998 are presented.  The project consisted of laboratory tests and in-situ tests to determine the correct parameters describing masonry behaviour.  Several compression tests were performed on cylindrical stone samples, obtained from the panels on which  in-situ tests had been previously carried out.  Depending on  the three types of in-situ tests carried out (compression test, diagonal compression test, shear-compression test), different panel dimensions were used using an appropriate cutting technique in order to leave the panels undisturbed.   The shear strength and the Young's and shear elastic modulus  were measured.  These results were compared with the values suggested by different standards.  The experimental research  made it possible to characterise the mechanical properties of some typical masonry walls in old buildings of Umbria.  These results are reported, together with an analysis of the  masonry textures and sections.  10 refs.

Primary author(s): Corradi M; Borri A; Vignoli A

                            Perugia,University; Florence,University

Source: Constr.Build.Mater.


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