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Evaluating the Consistency between Prescriptive and Performance-Based Seismic Design Approaches for Reinforced Concrete Moment Frames: ASCE 7 versus ASCE 41

Published

Author(s)

Siamak Sattar

Abstract

The anticipated performance of 4- and 8-story reinforced concrete (RC) buildings designed in accordance with ASCE/SEI 7-10, is assessed using ASCE/SEI 41. Engineering practitioners are increasingly using ASCE/SEI 41, as the guideline to implement the performance-based seismic design, to justify the adequacy of the seismic performance of new buildings. However, ASCE/SEI 41 was developed to assess the structural performance of existing buildings. On the other hand, ASCE 7 is a prescriptive standard that has been used in design of new buildings for several decades. The correlation between the target performance of the ASCE/SEI 41- and ASCE 7-code compliant buildings is unknown. Differences in the performance levels targeted by various standards used in design can potentially impact the resiliency of buildings in the same building community. In order to compare the anticipated structural performance between ASCE/SEI 7 and ASCE/SEI 41, the seismic performance of 4- and 8-story ASCE/SEI 7 code-compliant special reinforced concrete moment frame buildings is assessed based on the four evaluation methodologies defined in the Tier 3 analysis of ASCE/SEI 41 for the collapse prevention and life safety performance levels. The evaluation results show that depending on the employed evaluation approach, the buildings designed per ASCE/SEI 7 may not meet the expected performance in ASCE/SEI 41.
Citation
Engineering Structures

Citation

Sattar, S. (2018), Evaluating the Consistency between Prescriptive and Performance-Based Seismic Design Approaches for Reinforced Concrete Moment Frames: ASCE 7 versus ASCE 41, Engineering Structures, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=922045 (Accessed April 19, 2024)
Created July 25, 2018, Updated January 27, 2020