Question

The frame below has wind load and dead as shown. Use w(Dead) = 6 kip/ft and w(Live) = 3 kip/ft, L = 30 ft and H = 15 ft. The beams and columns have modulus of elasticity E of 29000 ksi and moment of inertias I(beam) = 2000 in4 and I(column) = 800 in4. Similarly they have cross-sectional areas A(beam) = 20 in2 and A(column) = 25 in2. Consider that the wind can act in both horizontal directions.

Determine:

The maximum factored moment at the top of the columns. Consider that the wind can act in both horizontal directions but only on the left column.

The maximum factored moment at the midpoint of the beam.

The maximum factored axial force in the columns.

Use virtual work to determine the lateral deflection of the frame at the top of the column for just the unfactored (i.e., nominal) wind load considering only bending of the structural elements.

Use virtual work to determine the lateral deflection of the frame at the top of the column for just the unfactored (i.e., nominal) wind load considering only bending and axial deformation of the structural elements.
WDead WWind

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Wlead usad ะ 304t momenh beam jeam moment4 3neska Column Aolumn 25 1n 3846138 29000oD

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