To determine the natural trend of the geometric imperfections and categorize it
Formulate the trend of the geometric imperfection in the form of mathematical expression
AISI (American Iron and Steel Institute) (2015). “North American standard for cold-formed steel structural farming.” AISI S240-2015. Washington, DC.
Various slenderness of the cold-formed steel members (various length and cross-section dimensions)
Three-dimensional scanning | Development of mathematical expression to predicting the geometric imperfection technique
Total number of CFS specimens scanned : 188
1. Geometric Imperfection Measurements and Validations on Cold-Formed Steel Channels Using 3D Noncontact Laser Scanner.
Sivaganesh Selvaraj and Madhavan, M., (2018). Journal of Structural Engineering (ASCE), 144(3), 04018010. Link