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Earthquakes and Structures Volume 10, Number 3, March 2016 , pages 539-562 DOI: https://doi.org/10.12989/eas.2016.10.3.539 |
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The effect of infill walls on the seismic behavior of boundary columns in RC frames |
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Aksel Fenerci, Baris Binici, Pourang Ezzatfar, Erdem Canbay
and Guney Ozcebe
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| Abstract | ||
| The seismic behavior of a 1/2 scaled, three-story three-bay RC frame with masonry infill walls was studied experimentally and numerically. Pseudo-dynamic test results showed that despite following the column design provisions of modern seismic codes and neglecting the presence of infill walls, shear induced damage is unavoidable in the boundary columns. A finite element model was validated by using the results of available one-story one-bay frame tests in the literature. Simulations of the examined test frame demonstrated that boundary columns are subjected to shear demands in excess of their shear capacity. Seismic assessment of the test frame was conducted by using ASCE/SEI 41-06 (2006) guidelines and the obtained results were compared with the damage observed during experiment. ASCE/SEI 41-06 method for the assessment of boundary columns was found unsatisfactory in estimating the observed damage. Damage estimations were improved when the strain limits were used within the plastic hinge zone instead of column full height. | ||
| Key Words | ||
| pseudo-dynamic testing; masonry infill wall; finite element method; seismic assessment | ||
| Address | ||
| Aksel Fenerci: Department of Structural Engineering, Norwegian Univ. of Science and Tech., 7491, Trondheim, Norway Baris Binici, Erdem Canbay: Department of Civil Engineering, Middle East Technical University, 06800 Ankara, Turkey Pourang Ezzatfar, Guney Ozcebe: Department of Civil Engineering, TED University, 06420 Ankara, Turkey | ||