1 A six-meter high stand-alone column, with fixed support at the bottom and pinned support at the top, is made of ASTM A992 steel rolled into W21x57 section. The said column is braced on its weak/minor axis at equally spaced intervals such that the slenderness ratio at its minor axis is equal to that of the major axis. (a) Determine the required minimum spacing of the bracing that satisfies the condition stated above. Express the answer in whole numbers rounded to the nearest 50 mm. (b) is the column section compact or slender? Does this column section satisfy the conditions for Section 505.3 of 2015 NSCP Vol. 1 to be used? (c) Determine the design capacity of the column. Use LRFD specifications. (d) Considering that LL/DL = 3.0, determine the maximum permissible total service load that should be applied to the column for it not to fail. Type your final answer/s in the text box below.
1 A six-meter high stand-alone column, with fixed support at the bottom and pinned support at the top, is made of ASTM A992 steel rolled into W21x57 section. The said column is braced on its weak/minor axis at equally spaced intervals such that the slenderness ratio at its minor axis is equal to that of the major axis. (a) Determine the required minimum spacing of the bracing that satisfies the condition stated above. Express the answer in whole numbers rounded to the nearest 50 mm. (b) is the column section compact or slender? Does this column section satisfy the conditions for Section 505.3 of 2015 NSCP Vol. 1 to be used? (c) Determine the design capacity of the column. Use LRFD specifications. (d) Considering that LL/DL = 3.0, determine the maximum permissible total service load that should be applied to the column for it not to fail. Type your final answer/s in the text box below.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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SITUATION 1 A six-meter high stand-alone column, with fixed support at the bottom and pinned support at the top, is made of ASTM A992 steel rolled into W21x57 section. The said column is braced on its weak/minor axis at equally spaced intervals such that the slenderness ratio at its minor axis is equal to that of the major axis. (a) Determine the required minimum spacing of the bracing that satisfies the condition stated above. Express the answer in whole numbers rounded to the nearest 50 mm. (b) is the column section compact or slender? Does this column section satisfy the conditions for Section 505.3 of 2015 NSCP Vol. 1 to be used? (c) Determine the design capacity of the column. Use LRFD specifications. (d) Considering that LL/DL = 3.0, determine the maximum permissible total service load that should be applied to the column for it not to fail. Type your final answer/s in the text box below.
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