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Probable collapse mechanisms in indefinite plates on an elastoplastic continuum

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Sommario

Con riferimento ad una teoria esposta in una nota precedente [2] sul comportamento allo stato limite delle piastre su mezzo elasto-plastico continuo soggette a carichi diffusi, si esaminano delle schematizzazioni di probabile collasso allo scopo di fornire soluzioni di più facile impiego nel campo della pratica tecnica.

Trattando quindi un caso di carattere generale, si mostra come i risultati ottenuti si prestano ad essere utilizzati per seguire la capacità portante della piastra ed il relativo meccanismo di collasso al variare della resistenza limite del suolo e della estensione del carico su di essa agente.

Alla fine, a chiarimento del procedimento applicativo, si sviluppano alcuni esempi.

Summary

With reference to a theory expounded in a previous note [2] on the limit state behaviour of plates resting on an elastoplastic continuum subject to distributed loads, probable collapse mechanisms are considered in order to supplying more tractable solutions for technical practice. As the case is a general one, it is shown that the results obtained are suitable for following the load carrying capacity of plates and the relative collapse mechanism as the limit resistance of the soil and the spread of the load acting on it vary.

Some examples are worked out to illustrate the applicational procedure.

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References

  1. S. Kaliszky,Load carrying capacity of plastic beams and plastic foundation, Archiwum inzynierii Ladowej, Tom VI-Z, Budapest, 1962.

  2. G. Zingone,The Limit state of indefinite plates on an elastoplastic continuum, J. Italian Association of Theoretical and Aplied Mechanics AIMETA, no. 3, Vol. 7, 1972.

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This work was supported by CNR (Italian Research Council).

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Zingone, G. Probable collapse mechanisms in indefinite plates on an elastoplastic continuum. Meccanica 7, 214–221 (1972). https://doi.org/10.1007/BF02128766

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  • DOI: https://doi.org/10.1007/BF02128766

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