box beam

Solution to Problem 564 | Unsymmetrical Beams

Problem 564
Repeat Prob. 563 using 2-in. by 10-in. pieces.
 

Solution to Problem 563 | Unsymmetrical Beams

Problem 563
A box beam is made from 2-in. by 6-in. pieces screwed together as shown in Fig. P-563. If the maximum flexure stress is 1200 psi, compute the force acting on the shaded portion and the moment of this force about the NA. Hint: Use the results of Prob. 562.
 

Solution to Problem 523 | Flexure Formula

Problem 523
Solve Prob. 522 if wo = 600 lb/ft.
 

Box beam

 

Solution to Problem 522 | Flexure Formula

Problem 522
A box beam is composed of four planks, each 2 inches by 8 inches, securely spiked together to form the section shown in Fig. P-522. Show that INA = 981.3 in4. If wo = 300 lb/ft, find P to cause a maximum flexural stress of 1400 psi.
 

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