NDLI: The effect of damage and creep interaction on the behaviour of masonry columns including interface debonding and cracking

Content Provider	Springer Nature Link
Author	Kim, Jung J. Fan, Tai Reda Taha, Mahmoud M. Shrive, Nigel G.
Copyright Year	2011
Abstract	Creep can produce significant effects on the structural behaviour of composite quasi-brittle systems, such as masonry, by altering the stress distribution between and within structural elements. The failure of a masonry element can be accelerated through damage incurred by weathering or degradation from creep effects. In this study, a three-dimensional finite element model of a grouted masonry column is used to evaluate the significance of the interaction of creep and damage on the structural behaviour of the column. The effects of Poisson’s ratio in producing differential out-of-plane constraint stresses can be simulated using this model. By utilizing a cracking criterion and incorporating a cohesive zone material (CZM) model for the brickwork-grout interface, the sequence and the patterns of cracking of the masonry column, debonding of the interface and local failure are examined. It is shown that debonding of the brickwork-grout interface occurs prior to cracking of the outer shell of brickwork. Case studies are presented to demonstrate the significance of the interaction of creep and damage on local failure, cracking and debonding. It is shown that cracking and debonding can result in a stability failure of a masonry column that was originally in a stable condition. Further work on local buckling and post-buckling analysis seems crucial to explain composite masonry behaviour.
Starting Page	15
Ending Page	29
Page Count	15
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	45
Issue Number	1-2
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-06-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Masonry Creep Damage Cracking Debonding Stability Buckling Finite element modeling Operating Procedures, Materials Treatment Structural Mechanics Civil Engineering Materials Science Building Materials Theoretical and Applied Mechanics
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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