Structural Analysis Test 1 Key, Spring 20179 March 2017

1) Solve the problem provided in the figure below: (Nash 77)

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2) Solve the problem provided in the figures below: (Nash 78)

3) Find the reactions necessary to keep the structure shown, below, in equilibrium. (Newnan2-3)

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4) Find the bar force in member CB using the method of joints. (Newnan 2-6)

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5) Solve the problem described below:

A pedestrian foot bridge has two suspension cables and a flexible floor weighing 28 lbf/ft. The span of thebridge is 100 ft. When the bridge is empty, the tension at point C is 1500 lbf. Assuming a parabolic shape,what is the maximum cable sag, S? (Lindeburg 41-18)

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6) Draw the shear and moment diagrams for the beam. (Hibbeler 161)

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7) Cable ABCD supports the loading shown in the figure below. Determine the maximumtension in the cable and the sage of point B. (Hibbeler 190)

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Works Cited

Edited by Donald G. Newnan, Ph.D., P.E., EIT Civil Review, Second Edition, Austin, Texas: EngineeringPress, 1998, page 2-3, 2-6.Michael R. Lindeburg, PE, Civil Engineering Reference Manual for the PE Exam, Thirteenth Edition,Belmont, California: Professional Publications, Inc., 2012, page 41-18.Russell C. Hibbeler, Structural Analysis, Eighth Edition, New York: Pearson, 2012, pages 161, 190.William A. Nash, Ph.D., Schaum’s Outline of Theory and Problems of Statics and Mechanics of Materials,New York City, New York: McGraw-Hill, 1992, pages 77-78.

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