Structural Analysis, Seventh Edition Russell C. Hibbeler.

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Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler Copyright © 2009 Pearson Prentice Hall Inc.

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler Enclosed building, Agricultural. Outside Chicago Flat terrain. Find design wind pressure

Structural Analysis, Seventh Edition Russell C. Hibbeler Velocity Pressure q z = K z K zt K d V 2 I  V =  I =  K zt =  K d =  K z =

Structural Analysis, Seventh Edition Russell C. Hibbeler Z (ft)KzKz

Structural Analysis, Seventh Edition Russell C. Hibbeler Linear interpolation We need to use linear interpolation to find K z Our height is the midpoint of the roof  31.6 feet

Structural Analysis, Seventh Edition Russell C. Hibbeler We know 30’ and 40’, but we need 31.6’. If it is on a line, we can create an equation and plug in our x value. y = mx + b m = (y 2 – y 1 )/(x 2 -x 1 ) The same slope must apply for our new point, (x*,y*) m = (y 2 – y*)/(x 2 -x*) m = (1.04 – 0.98)/(40-30) = (1.04 – y*)/( ) y* = K z = 0.99

Structural Analysis, Seventh Edition Russell C. Hibbeler Copyright © 2009 Pearson Prentice Hall Inc.

Structural Analysis, Seventh Edition Russell C. Hibbeler Copyright © 2009 Pearson Prentice Hall Inc.

Structural Analysis, Seventh Edition Russell C. Hibbeler Copyright © 2009 Pearson Prentice Hall Inc.

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

Structural Analysis, Seventh Edition Russell C. Hibbeler

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