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Lattice Shear Reinforcement for Slab-Column Connections

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Authors
Park, Hong-gun; Ahn, Kyung-soo; Choi, Kyoung-kyu; Chung, Lan
Issue Date
2007-05
Publisher
American Concrete Institute (ACI)
Citation
ACI Structural Journal, V. 104, No. 3, May. 2007, pp.294-303
Keywords
columnductilitypunching shearshear reinforcementslab
Abstract
A slab-column connection is susceptible to brittle punching shear
failure, which may result in the necessity of shear reinforcement. In
the present study, a new type of shear reinforcement using lattice
bars was developed. To study the structural performance of the
lattice shear reinforcement, direct punching shear tests for four
specimens with the lattice shear reinforcement and four specimens
without the lattice shear reinforcement were performed. The test
results showed that the punching shear strength and deformation
capacity of the specimens with the lattice shear reinforcement were
improved up to 1.4 and 9.2 times those of the specimens without
the lattice shear reinforcement, respectively. Based on the test
results, a method for estimating the shear strengths of slab-column
connections with the lattice shear reinforcement was developed.
ISSN
0889-3241
Language
English
URI
http://www.concrete.org/PUBS/JOURNALS/OLJDetails.asp?ID=18619

http://hdl.handle.net/10371/7296
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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