4. General Introduction,Cont1
• Advantages of Steel
• High strength per unit weight.
• High elasticity.
• Performance.
• Ductility.
• Toughness.
• Disadvantages of Steel
• Corrosion.
• Fireproofing cost.
• Susceptibility to buckling.
• Fatigue.
7. Structural Steel Standards
•What are the standards in general?
• Definition.
• Purposes of standards.
• The organizations of setting standards.
• The standards of structural steel in US and Europe.
9. Purposes
• Codes are guide to architects, engineers, constructors.
• Codes determine the safety of structures and protect the public health.
10. •The organizations that set standards
• In US ( international )
American society of testing and materials (ASTM).
• In Europe ( international )
European Committee for standardization (CEN).
Structural Steel Standards Cont.2
11. •In US
• The formula
• Examples.
•In Europe
• The formula
• Examples.
Structural Steel Standards Cont.3
12. Structural Steel Standards in US
•Structural steel standards:
• Example:
A514 (Quenched and tempered alloy steel)
13. Structural Steel Standards in Europe
•Structural steel standards:
• Example:
S275J2 (Quenched and tempered alloy steel)
27. Types of connection
A welded beam to
column flange
A seated beam-to-column-
web connection
A welded beam-to-column-web
moment
28. Types of connection
A welded/bolted end plate
beam–column connection
A coped beam–girder connection
A bolted column – column
Connection for columns That are the
same size