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Advantages of Steel As a structural Material
-The most versatile structural material -strong material -light weight -ease of fabrication TERM 2
High Strength
DEFINITION 2 The high strength of steel per unit of weight means that the weight of structures will be small. TERM 3
Uniformity
DEFINITION 3 THe properties of stell do not change appreciably with time, as do those of reinforced-concrete structures. TERM 4
Elasticity
DEFINITION 4 Steel Behaves closer to design assumptions that most materials because it follows Hooke's law up to fairly high stresses. The moments of inertia of steel structure can be accurately calculated, while the calues obtained for a reinforced-concrete structure are rather indefinite. TERM 5
Permanence
DEFINITION 5 Steel frames that are properly maintained will last indefinitely. Research on some of the newer steels indicates that under certain conditions no painting maintenance whatsoever will be required.
Ductility
The property of a material by which it can withstand extensive deformation without failure under high tensile stresses TERM 7
Toughness
DEFINITION 7 The ability of a material to absorb energy in large amounts TERM 8
Corrosion
DEFINITION 8 Is susceptible to corrosion when freely exposed to air and water, and must be painted periodically TERM 9
Fireproofing Costs
DEFINITION 9 strength is greatly reduced when steel reaches high temperatures. The steel also generates a large amount of heat and can help spread the fire to objects touching it TERM 10
Buckling
DEFINITION 10 The longer and more slend the steel is the more it is susceptibal to buckling additional steel may be used to prevent this
HP
Bearing Pile TERM 17
M
DEFINITION 17 Miscellaneous Section TERM 18
C
DEFINITION 18 Channel TERM 19
MC
DEFINITION 19 Miscelaneous Channel TERM 20
HSS
DEFINITION 20 Rectangular Hollow structural section
L
Equal Leg Angel TERM 22
WT
DEFINITION 22 TEE shape beam obtain by splitting a W shape beam TERM 23
Cold-Formed Light-gage Steel shapes
DEFINITION 23 These shapes are made by dending thin sheets of carbon or low alloy steels into almost any deried cross section.
