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Shear Reinforcement for Flat Plate-Column Connections Using Lattice Bars
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 Title & Authors
Shear Reinforcement for Flat Plate-Column Connections Using Lattice Bars
Ahn Kyung-Soo; Park Hong-Gun;
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Flat plate-column connections are susceptible to brittle punching shear failure, which may result in collapse of the overall structure. In the present study, a new shear reinforcement for the plate-column connection, the lattice shear reinforcement was developed. Experimental study for the lattice shear reinforcement was performed. Shear strength and ductility of the specimens reinforced with the lattice bars were compared with those of unreinforced specimens. The test results showed that the strength and ductility of the specimens with the lattice shear reinforcement were improved by 1.37 and 9.16 times those of the unreinforced specimens, respectively. These results indicates that the lattice shear reinforcement is superior in ductility to the shear stud-rail which is popular in U.S. Based on the test results, the design method for the lattice shear reinforcement was developed.
Flat plate-column connections;punching shear;lattice bars;shear reinforcement;ductility;
 Cited by
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