Calculate the internal resultant forces in each member of the Pratt truss by hand for a given load of F = 1000 lbs. Since the problem is linear, doubling the load will double all the internal resultant forces, halving the load will halve the internal resultant forces and so on. Figure out what is the load, F, and the internal resultant forces in each of the members when one of the members is at 500,000 lbs.

Calculate the internal resultant forces in each member of the Pratt truss by hand for a given load of F = 1000 lbs. Since the problem is linear, doubling the load will double all the internal resultant forces, halving the load will halve the internal resultant forces and so on. Figure out what is the load, F, and the internal resultant forces in each of the members when one of the members is at 500,000 lbs.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter5: Beams

Section: Chapter Questions

Problem 5.5.11P

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Pratt Truss

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Step 1: Introduce the problem statement

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Step 2: Simplify the loading and support reactions on truss

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Step 3: Determine the member forces

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Step 4: Determine the member forces

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Step 5: Determine the member forces

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Step 6: Forces corresponding to F=1 kips

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Step 7: Determine the member more susceptible to break

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Step 8: Determine member forces when a member fails and maximum F

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