Solution to Problem 543 | Floor Framing Jhun Vert Wed, 04/22/2020 - 05:56 pm

Problem 543
A portion of the floor plan of a building is shown in Fig. P-543. The total loading (including live and dead loads) in each bay is as shown. Select the lightest suitable W-shape if the allowable flexural stress is 120 MPa.
 

543-typical-floor-framing-plan.jpg

 

Solution to Problem 542 | Floor Framing Jhun Vert Wed, 04/22/2020 - 05:17 pm

Problem 542
Select the lightest W shape sections that can be used for the beams and girders in Illustrative Problem 537 of text book if the allowable flexural stress is 120 MPa. Neglect the weights of the members.
 

Floor framing plan

 

Solution to Problem 532 | Economic Sections Jhun Vert Wed, 04/22/2020 - 12:03 pm

Problem 532
A beam simply supported at the ends of a 25-ft span carries a uniformly distributed load of 1000 lb/ft over its entire length. Select the lightest S section that can be used if the allowable stress is 20 ksi. What is the actual maximum stress in the beam selected?

Solution to Problem 531 | Economic Sections Jhun Vert Wed, 04/22/2020 - 11:59 am

Problem 531
A 15-ft beam simply supported at the ends carries a concentrated load of 9000 lb at midspan. Select the lightest S section that can be employed using an allowable stress of 18 ksi. What is the actual maximum stress in the beam selected?
 

Solution to Problem 530 | Economic Sections Jhun Vert Wed, 04/22/2020 - 11:50 am

Problem 530
Repeat Prob. 529 if the distributed load is 12 kN/m and the length of the beam is 8 m.