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최현기(Choi Hyun-Ki),김준서(Kim Jun-Seo),최윤철(Choi Yun-Cheul),백영수(Back Young-Soo),진언식(Jin Eon-Sik),최창식(Choi Chang-Sik) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.8
There are many in utilizing the flat plate structure in reinforced concrete building. This structure has drawbacks as well because the structure is vulnerable to a punching shear failure at the column connections. This research is an experimental study on full-scale interior slab-column connections of flat-plate. Three types of shear reinforcements were proposed to prevent brittle punching shear failure that could result in collapse of whole flat plate structures. A series of four flat plate specimens including a specimen without shear reinforcement and three specimens with the reinforcements was tested. The dimension of the slabs was 2620*2725* 180㎜ and the specimens had a 600*800㎜ square column at the center of the slabs. The slabs were tested up to failure using monotonic vertical shear forces. The presences of the shear reinforcements substantially increased punching shear capacity and ductility of the interior slab-column connections.