PRINCIPLES OF STRUCTURAL DESIGN Book
Structural steel is a construction material that possesses attributes such as strength, stiffness, toughness, and ductility that are desirable in modern constructions. Strength is the ability of a material to resist stress. It is measured in terms of the material’s yield strength Fy and ultimate or tensile strength Fu. Steel used in ordinary constructions normally have values of Fy and Fu that range from 36 to 50 ksi (248 to 345 MPa) and from 58 to 70 ksi (400 to 483 MPa), respectively, although higher-strength steels are becoming more common. Stiffness is the ability of a material to resist deformation. It is measured in terms of the modulus of elasticity E and modulus of rigidity G. download
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