A case study of reinforced concrete short column under earthquake using experimental and theoretical investigations

Chen-Yuan Chen , Kuo-Chiang Liu , Yuh-Wehn Liu , Wehn-Jiunn Huang

Abstract

The purpose of this paper is to carry out both experimental and theoretical investigations of R.C. short column subjected to horizontal forces under constant compressive loading. Eight specimens with section of 40 cm x 40 cm, height 40 cm and 50 cm and different type hoop were used of the steel cage to detect the seismic behavior of reinforced concrete short columns. Hoop spacing of column, strength of concrete, and the axial load of experiments were the three main parameters in this test. A series of equations were derived to reveal the theory could be used on analysis short column, too. Through test failure model of R.C short column being established, the type of hoop affects the behavior R.C short column in ductility rather than in strength. And the effect of analysis by Truss Model is evident and reliable in shear failure model of short column.

Key Words

short column; reinforced concrete; truss model.

Address

Chen-Yuan Chen — Department of Computer Science, National Pingtung University of Education, No. 4-18, Ming Shen Rd., Pingtung 90003, Taiwan; Doctoral Program in Management, National Kaohsiung First University of Science and Technology, Kaohsiung 811, Taiwan
Kuo-Chiang Liu — Department of Architectural Engineering, Yung-Ta Institute of Technology & Commerce, 316, Chung Shan Rd. Linlo, Pingtung 909, Taiwan
Yuh-Wehn Liu — Department of Industrial Safety and Hygiene, Chia-Nan University of Pharmacy and Science, Tainan, Taiwan
Wehn-Jiunn Huang — Department of Architecture, National Cheng-Kung University, Tainan 701, Taiwan

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