Structural Engineering and Mechanics
Volume 12, Number 4, 2001, pages 429-448
DOI: 10.12989/sem.2001.12.4.429
Seismic shear behavior of rectangular hollow bridge columns
Y.L. Mo , Chyuan-Hwan Jeng(U.S.A.) , S.F. Perng(Taiwan)
Abstract
An analytical model incorporating bending and shear behavior is presented to predict thelateral loading characteristic for rectangular hollow columns. The moment-curvature relationship for therectangular hollow sections of a column is firstly determined. Then the nonlinear lateral load-displacementrelationship for the hollow column can be obtained accordingly. In this model, thirteen constitutive lawsfor confined concrete and five approaches to estimate the shear capacity are used. A series of tests on 12model hollow columns aimed at the seismic shear behavior are reported, and the test data are compared tothe analytical results. It is found that the analytical model reflects the experimental results rather closely.
Key Words
hollow bridge column; shear behavior; seismic behavior; confined concrete; ductility factor; load-displacement relationship.
Address
Y. L . Mo and Chyuan-Hwan Jeng, Department of Civil and Environmental Engineering, University of Houston, Houston, Texas, U.S.A.S.F. Perng, Department of Civil Engineering, National Kaohsiung Institute of Technology, Kaohsiung, Taiwan
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