1. Theory of elastic stability;Timoshenko,1961
2. North American specification for the design of cold-formed steel structural members, 2007 Edition;AISI S100,2007
3. Behavior of web elements with openings subjected to bending, shear and the combination of bending and shear;Shan,1994
4. “innovative residential floor construction: structural evaluation of steel joists with pre-formed web openings”, Research Report H-21134CA;NAHB,1999
5. ABAQUS Version 6.4;ABAQUS,2003