PROBLEM 01: Considering a W24x104 section for the beam Properties of the W24 x 104 section shown, check whether this member satisfies the appropriate AISC interaction equation. Assume the beam section to be d = 611.12 mm compact and use A36 steel. The horizontal beam-column is tw = 12.70 mm subjected to a service live load P=125 kN and Q = 800 kN. bị = 323.85 mm Consider the weight of the beam. The member is laterally = 19.05 mm braced at its end and the bending is along it major axis. k = 1290 x 10° mm Lateral supports are provided at the X marks. Use LRFD and ly = 108 x 10 mm4 AISC specifications Ag = 19742 mm2 Sx = 4228 x 103 mm Sy = 667 x 10° mm Zx = 4736 x 10° mm3 Zy = 1023 x 103 mm3 nominal weight = 155 kg/m Q 2m FICA 4m

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Types and properties of steel

Steel is an alloy of iron. It is formed by heating iron and combining carbon (0.1-1.7%) with it and minor amounts of other elements such sulfur,  chromium, manganese, nickel, etc. Thousands of steel grades have been published, registered, or regulated around the world, each with its chemical composition, and special numbering systems have been devised in various countries to classify the vast number of alloys.