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Nonlinear pushover analysis of infilled concrete frames |
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| Authors: | |
| Institution: | 1. Department of Civil Engineering, Taipei University of Technology, Chinese Taipei 2. Department of Construction, Tamkang University, Chinese Taipei 3. Tien Shiang Structural and Civil Association, Chinese Taipei |
| Abstract: | Six reinforced concrete frames with or without masonry infills were constructed and tested under horizontal cyclic loads. All six frames had identical details in which the transverse reinforcement in columns was provided by rectangular hoops that did not meet current ACI specifications for ductile frames. For comparison purposes, the columns in three of these frames were jacketed by carbon-fiber-reinforced-polymer (CFRP) sheets to avoid possible shear failure. A nonlinear pushover analysis, in which the force-deformation relationships of individual elements were developed based on ACI 318, FEMA 356, and Chen’s model, was carried out for these frames and compared to test results. Both the failure mechanisms and impact of infills on the behaviors of these frames were examined in the study. Conclusions from the present analysis provide structural engineers with valuable information for evaluation and design of infilled concrete frame building structures. Supported by: Science Council of Chinese Taipei Under Grant No. SC-92-2625-Z-027-003 |
| Keywords: | pushover analysis FEMA 356 infilled concrete frames infill masonry panels fiber-reinforced-polymer |
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