How can we define cyclic stiffness degradation in Perform 3d?
For infill walls, I need to model pinching behavior but as per my knowledge perform 3d gives options for energy degradation factor which accounts for stiffness degradation .
"In perform-3d, pinching cannot be modeled... "
Refer: Burak, B. and Unal, M., 2012. Analytical Evaluation of the Cyclic Response of Reinforced Concrete Beam-to-Column Connections. In Proceedings of the 15th World Conference on Earthquake Engng, Lisbon.
"it has some limitations, such as not being able to define pinching"
Refer: ANALYTICAL MODELING OF REINFORCED CONCRETE BEAM-TO-COLUMN CONNECTIONS - 2010
Link: https://etd.lib.metu.edu.tr/upload/12612230/index.pdf
For cyclic loading in Perform software, appropriate explanations are provided in the following article:
"Implementing post-tensioned connections only in some floors of steel moment frames"
Structures, Volume 31, June 2021, Pages 98-110
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