flexural stress

Solution to Problem 553 | Unsymmetrical Beams

Problem 553
Determine the maximum tensile and compressive bending stresses developed in the beam as shown in Fig. P-553.
 

Solution to Problem 552 | Unsymmetrical Beams

Problem 552
A cantilever beam carries the force and couple shown in Fig. P-552. Determine the maximum tensile and compressive bending stresses developed in the beam.
 

Solution to Problem 548 | Unsymmetrical Beams

Problem 548
The inverted T section of a 4-m simply supported beam has the properties shown in Fig. P-548. The beam carries a uniformly distributed load of intensity wo over its entire length. Determine wo if fbt ≤ 40 MPa and fbc ≤ 80 MPa.
 

Solution to Problem 541 | Floor Framing

Problem 541
The 18-ft long floor beams in a building are simply supported at their ends and carry a floor load of 0.6 lb/in2. If the beams have W10 × 30 sections, determine the center-line spacing using an allowable flexural stress of 18 ksi.
 

Solution to Problem 536 | Economic Sections

Problem 536
A simply supported beam 10 m long carries a uniformly distributed load of 20 kN/m over its entire length and a concentrated load of 40 kN at midspan. If the allowable stress is 120 MPa, determine the lightest W shape beam that can be used.
 

Solution to Problem 535 | Economic Sections

Problem 535
A simply supported beam 24 ft long carries a uniformly distributed load of 2000 lb/ft over its entire length and a concentrated load of 12 kips at 8 ft from left end. If the allowable stress is 18 ksi, select the lightest suitable W shape. What is the actual maximum stress in the selected beam?
 

Solution to Problem 534 | Economic Sections

Problem 534
Repeat Prob. 533 if the uniformly distributed load is changed to 5000 lb/ft.
 

Solution to Problem 533 | Economic Sections

Problem 533
A beam simply supported on a 36-ft span carries a uniformly distributed load of 2000 lb/ft over the middle 18 ft. Using an allowable stress of 20 ksi, determine the lightest suitable W shape beam. What is the actual maximum stress in the selected beam?
 

Solution to Problem 532 | Economic Sections

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

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?

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