02-04-2010, 03:34 PM
Seismic Assessment of Ancient Masonry Structures
The present work presents an investigation about the capabilities of limit analysis of rigid block assemblages in the structural assessment of ancient masonry constructions. A review about the basic concepts of limit analysis and previous works in the subject is made. A formulation of limit analysis for materials with non-associated flow rules is adopted in order to represent the non-dilatant friction failure mode in masonry. Two computer tools are developed for two and three dimensional models,respectively. The yield functions proposed are capable to take into account limited compressive stresses.
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