NDLI: Performance based Displacement Limits for Reinforced Columns under Flexure Concrete Columns under Flexure Fragility of Shear Wall Buildings Concrete Columns under Flexure

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Performance based Displacement Limits for Reinforced Columns under Flexure Concrete Columns under Flexure Fragility of Shear Wall Buildings Concrete Columns under Flexure

Content Provider	Semantic Scholar
Author	Yakut, Ahmet Solmaz, Taylan
Copyright Year	2012
Abstract	Seismic performance of reinforced concrete frame buildings is dominated by columns which can be classified as primary members of these structures. In order to assess the performance of these columns under a given earthquake effect, performance based displacement limits are proposed by certain codes and/or guidelines. These limits are generally given for different damage and performance levels. Adequacy of the displacement limits given in the most common codes such as Eurocode 8, FEMA 356, ASCE41 as well as Turkish Earthquake Code (TDY) 2007 were evaluated by carrying out parametric studies for a set of flexure critical reinforced concrete columns. A total number of 144 flexure critical columns are generated in parametric studies to present the effects of various parameters such as column geometry, concrete strength, axial load ratio, transverse reinforcement ratio, and yielding strength of longitudinal reinforcement on performance based displacement limits. These columns are modeled in OPENSEES and their response is determined. Performance based displacement limits were obtained from analytical results for each performance level in terms of drift ratio. These limits were then compared with the code limits. Performance based displacement limits proposed by TEC (2007), FEMA 356 (2000), and Eurocode 8 (2003) are found very conservative compared to limits obtained from analytical behavior. Improvements on these limits are proposed in the form of expression representing the effect most important parameters.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.iitk.ac.in/nicee/wcee/article/WCEE2012_2801.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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