n Journal of the South African Institution of Civil Engineering = Joernaal van die Suid-Afrikaanse Instituut van Siviele Ingenieurswese - Failure criterion of unreinforced masonry under biaxial pseudo dynamic loading : technical paper

Volume 46, Issue 4
  • ISSN : 1021-2019



Experimental tests on scaled unreinforced calcium silicate brick masonry (URM) panels subjected to pseudo dynamic biaxial compression were conducted for five principal stress ratios. Envelope curves, common point curves and stability point curves were established. The peak stresses of these curves were used to obtain a family of failure interaction curves. A general expression for the failure interaction curves is proposed in terms of principal stress invariants. The stability point failure interaction curve provides a rational design tool in defining the permissible stress levels of calcium silicate brick masonry under in-plane pseudo dynamic loading.

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