A W 21 x 48 beam is simply supported on a span 7 m. The beam is laterally supported at its ends and subjected to a uniform service dead load of 7 kN/m (including the weight of the beam) and a service live load of 3.1 kN/m, respectively. If Fy = 345 MPa, determine the available strength for LRFD and ASD. Properties of W 21 x 48 523 mm 207 mm 8.89 mm tw= 10.9 mm d = b₁ = t₁ = Z, = 244 (10³) mm³ J = 334 (10³) mm* ho = 513 mm Cw=1060 (109) mm* 4 Ix = 399 (106) mm* y = 16.1 (106) mmª S₂ = 1520 (10³) mm³ S, = 156 (10³) mm³ ry = 42.2 mm Its = 52.1 mm 2x=1750 x 10² mm ²³

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Members with compression and bending

Compression members are structural elements that carry compressive axial force. They are the vertical members of a building that support beams and their design, which is governed by buckling and strength. Columns are known as struct or compression members, which are subjected to compressive forces. These members provide stiffness to the building and avoid any imperfection regarding the transfer of axial load. For instance, webs in a truss, braces in a framed structure, tiers, and so on.