Creep Failure Of Ancient Masonry: Experimental
Investigation And Numerical Modeling
Author(s)
E. Papa, A. Taliercio & L. Binda
Abstract
Creep failure of ancient masonry: experimental
investigation and numerical modeling
E. Papa, A. Taliercio & L. Binda
Dept. of Structural Engineering, Politecnico of Milan, Italy
Abstract
The recent collapse of some ancient massive buildings has raised attention on the
creep behaviour of masonry. An extensive experimental and theoretical research
program is being carried out on this topic at the Politecnico of Milan. The results
are presented of accelerated creep tests to failure on brick masonry samples taken
from a building (the Cathedral of Monza, Italy) that shows signs of serious dam-
age. Then, a recently developed theoretical model is proposed to simulate the
experimental results. It is based on the theory of viscoelasticity coupled with two
anisotropic damage variables, allowing, respectively, for damage induced by
monotonically increasing stresses and by sustained stresses. The numerical
simulations performed so far are quite encouraging, so that the applicability o
Keywords
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