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Abstract
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In this part of the paper, the dynamic out-of-plane behavior of a unidirectional
strengthened masonry wall is studied experimentally. The experimental phase focuses
on shake-table testing of a full-scale masonry wall strengthened with carbon fiber
reinforced composite strips. The tested wall is subjected to different combinations of
in-plane compression and out-of-plane excitation. The dynamic behavior of the wall
is monitored with emphasis on the global out-of-plane displacements and
accelerations as well as on the localized displacements and strains near the mortar
joints. The experimental results are also used for the assessment of the finite
element model developed in part I of the paper. The experimental results, the
numerical analysis, and the comparison between the two throw light on
the global and local aspects of the dynamic response. The numerical model
allows for further study of local-scale results, which cannot be monitored
experimentally. In particular, the dynamics of the shear and peeling stresses at the
adhesive layers are examined. The comparison of the experimental results
with ones obtained for the same wall before strengthening demonstrate the
potential of the method and its impact on the dynamics of the masonry
wall.
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Keywords
masonry wall, composite material, dynamic behavior, shake
table experiments, strengthening
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Milestones
Received: 29 August 2010
Revised: 9 February 2011
Accepted: 10 February 2011
Published: 28 March 2012
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