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Seismic Performance Evaluation of Small-size Pilloti-type Reinforced Concrete Buildings using Nonlinear Dynamic Analysis
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 Title & Authors
Seismic Performance Evaluation of Small-size Pilloti-type Reinforced Concrete Buildings using Nonlinear Dynamic Analysis
Yoo, Changhwan; Kim, Taewan; Chu, Yurim;
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Piloti-type building is one of typical vertical atypical buildings. These buildings can fail by weak-story or flexible-story mechanism on the first story. They should be designed by taking into account the special seismic load, but those less than six stories are not required to confirm the seismic performance from structural engineers in Korea. For this reason, small-size pilloti-type RC buildings need to be checked for seismic performance. Based on this background, this study performed nonlinear dynamic analysis using the PERFORM-3D for small-size pilloti-type RC buildings and assessed their seismic performance. Examples are two through four story buildings with and without walls in the first story. The walls and columns in the first story satisfied the target performance in the basic of flexural behavior due to quite a large size and reinforcement. However, wall shear demands exceed shear strength in some buildings. When designed for KBC2009, wall shear strength exceed shear demand in some buildings, but still does not in others. Consequently, wall shear must be carefully checked in both existing and new small-size pilloti-type RC buildings.
Pilloti-type;Small-size building;Reinforced concrete;Nonlinear dynamic analysis;Seismic performance evaluation;
 Cited by
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