PART III Design of Compression Members: 4. The figure below shows the floor framing plan for an office building. The roo

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Part Iii Design Of Compression Members 4 The Figure Below Shows The Floor Framing Plan For An Office Building The Roo 1 (49.48 KiB) Viewed 96 times

PART III Design of Compression Members: 4. The figure below shows the floor framing plan for an office building. The roof has the same framing plan as the floor Select a W12 section for the exterior column Cl in the first floor and assume the same column will be used for the column C2 in the second floor Floor loads (applied on the 2nd floor): dead fond of 200 pef and live load of 300 psf Roof loads (applied on the roof); dead toad of 100 psf and roof live load of 50 paf Use LRFD design method. Use load combination 2 (1.20+1.6146.5L.) for this design, ignore the live load reduction Select a lightest w12 section that satisfies the required load, P. Assume K-1.0 for selecting a W12 column initially, Must use the alignment chart to determine K after a column is selected. Make sure that the major-axis buckling strength is sufficient for the required load. Use ASTM A992 steel Column C1 17 B Roof " 18 C2 c2 18 W21:48 *** 2 floor 18 CI 18 CI 7777 77 40 30 30 Section A-A Section B-B