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Evaluation of the seismic performance of a three-story ordinary moment-resisting conc - TAFATNEB - 04-26-2014
Evaluation of the seismic performance of a three-story ordinary moment-resisting concrete frame
Author: Sang Whan Han ; ∗; † , Oh-Sung Kwon and Li-Hyung Lee | Size: 346 MB | Format: PDF | Quality: Unspecified | Publisher: EARTHQUAKE ENGINEERING AND STRUCTURAL DYNAMICS Earthquake Engng Struct. Dyn. 2004; 33:669–685 (DOI: 10.1002/eqe.367) | Year: 2004 | pages: 17
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This study focuses on the seismic performance of Ordinary Moment-Resisting Concrete Frames (OM- RCF) designed only for gravity loads. For this purpose, a 3-story OMRCF was designed in compliance with the minimum design requirements in the American Concrete Institute Building Code ACI 318
(1999). This model frame was a regular structure with exure-dominated response. A 1=3-scale 3-story model was constructed and tested under quasi-static reversed cyclic lateral loading. The overall behavior of the OMRCF was quite stable without abrupt strength degradation. The measured base shear strength was larger than the design base shear force for seismic zones 1, 2A and 2B calculated using UBC
1997. Moreover, this study used the capacity spectrum method to evaluate the seismic performance of the frame. The capacity curve was obtained from the experimental results for the specimen and the demand curve was established using the earthquake ground motions recorded at various stations with dierent soil conditions. Evaluation of the test results shows that the 3-story OMRCF can resist design seismic loads of zones 1, 2A, 2B, 3 and 4 with soil types SA and SB. For soil type SC, the specimen was satisfactory in seismic zones 1, 2A, 2B and 3. For soil type SD, the OMRCF was only satisfactory for seismic zones 1 and 2A.
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