C. Anselmi1 and E. De Rosa2 and L. Fino3
- Associate Professor, Dipartimento di Costruzioni e Metodi Matematici in Architettura, Università Federico II, Naples, Italy, anselmi@unina.it
- Assistent Professor, Dipartimento di Costruzioni e Metodi Matematici in Architettura, Università Federico II, Naples, Italy, derosa@unina.it
- Assistent Professor, Dipartimento di Costruzioni e Metodi Matematici in Architettura, Università Federico II, Naples, Italy, lucio.fino@libero.it
ABSTRACT
The authors take again a very simple formulation for determining the load collapse multiplier for masonry structures, by a linear formulation founded on classical limit analysis theorems. To draw the model as close as possible to the real collapse mechanism, it is now supposed that failure lines can also form along the diagonals of macroblocks, so introducing even triangular elements into the discretization process. Moreover, to underline the influence that the modality of the texture of bricks or stones has on the behaviour of a panel, the friction coefficient tgφo used for the horizontal interfaces is suitably increased along the diagonal and vertical interfaces of the macroblocks.
KEYWORDS: limit analysis, macroblocks, triangular elements, friction coefficients
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