Effect of Slab Shear Reinforcement on the Performance of the Shear Wall–Floor Slab Connection
Publication: Journal of Performance of Constructed Facilities
Volume 27, Issue 4
Abstract
The floor slabs and shear walls together act as a rigid jointed frame in resisting gravity loads and lateral forces caused by wind and earthquake. The junction between the wall and slab is a key force-resisting element that is subjected to severe stress concentration. The performance of the connection can influence the pattern and distribution of lateral forces among the vertical elements of the structure. In the current study, two different reinforcement detailing adopted, such as (1) conventional joint with the provision of U hooks connecting shear wall and slab and (2) slab bars bent 90° at the core region along with the provision of shear reinforcement in the slab. Analytical investigations were carried out to study the performance of the shear wall–slab connection with these detailings. The RC model consists of a material model to predict the failure of brittle materials, applied to a three-dimensional solid element in which reinforcing bars may be included. Good energy dissipation capacities were observed with the provision of shear reinforcement for an effective width of the slab compared with a conventional joint. The experimental results were compared with analytical results carried out using the finite-element software ANSYS, and it was found that the experimental results are in good agreement with the analytical result.
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Acknowledgments
The authors thank the technical staff of the Laboratories in Structural Engineering Division, Anna University Chennai, for the assistance provided in conducting the experimental studies. The research sponsorship from University Grants Commission, Government of India, under the Major Research Scheme is greatly acknowledged.
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Information
Published In
Journal of Performance of Constructed Facilities
Volume 27 • Issue 4 • August 2013
Pages: 391 - 401
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jul 21, 2011
Accepted: Dec 15, 2011
Published online: Dec 20, 2011
Published in print: Aug 1, 2013
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