"Steel Structure Connections and Joints (Part I)" is based on engineering design habits, Code for Design of Steel Structures (GB500 17-2003) and Technical Specification for Steel Structures of Light-duty Houses with Portal Frames (CECS102: 2002), with reference to Manual for Design of Steel Structure Connections and Manual for Steel Structure Design. 1 Steel Structure Connections and Joints (I) is a book published by People's Communications Publishing House in 20 12. The author is China Steel Structure Forum.