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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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 Abstract
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.
 Keywords
Flat plate-column connections;punching shear;lattice bars;shear reinforcement;ductility;
 Language
Korean
 Cited by
1.
불균형모멘트를 받는 슬래브-기둥 접합부를 위한 래티스 전단 보강,박홍근;김유니;송진규;김선규;이철우;

한국콘크리트학회논문집, 2007. vol.19. 3, pp.301-312 crossref(new window)
2.
전단보강장치에 따른 플랫 플레이트 슬래브-기둥 내부접합부의 뚫림전단에 관한 실험적 연구,김성수;

대한건축학회논문집:구조계, 2010. vol.26. 12, pp.107-114
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