1. Fire-resistance tests-Elements of Building Construction-Part 1-General requirements;ISO-834,1999
2. Design guide for rectangular hollow section (RHS) joints under predominantly static loading;Packer,2009
3. EN 1993-1-8,2005
4. XV-1402-12 and IIW Doc. XV-E-12-433, Static Design Procedure for Welded Hollow Section Joints – Recommendations;IIW Doc,2012
5. Specification for Structural Steel Buildings. ANSI/AISC 360-16,2016