A simply supported steel beam has a span of 6m and is subjected to a uniformly distributed load of 96kN/m which exclude the beam weight. The beam is laterally supported only at its supports. The material is A36 with Fy=248MPa. Which of the following steel beam will give the most economic (lightest) section: a. W 27 x 84 b. W 24 X 68 c. W 21 X 62 d. W 18 X 76 e. None of the sections are adequate

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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.