A 10-m beam simply supported at the ends carries a uniformly distributed load of 16 kN/m over its entire length. What is the lightest W shape beam that will not exceed a flexural stress of 120 MPa? The only available W Shapes: W 460 x 89; S = 1,770 x 10³ mm³ --- W 410 x 100; --- S = 1,920 x 10³ mm3 W 360 x 101; S = 1,690 x 10³ mm³ --- W 310 x 118; S = 1,750 x 10³ mm³ --- W 250 x 149; S = 1,840 x 10³ mm³ --- O W 410 x 100 O W 360 x 101 O W 460 x 89 O W 310 x 118

A 10-m beam simply supported at the ends carries a uniformly distributed load of 16 kN/m over its entire length. What is the lightest W shape beam that will not exceed a flexural stress of 120 MPa? The only available W Shapes: W 460 x 89; S = 1,770 x 10³ mm³ --- W 410 x 100; --- S = 1,920 x 10³ mm3 W 360 x 101; S = 1,690 x 10³ mm³ --- W 310 x 118; S = 1,750 x 10³ mm³ --- W 250 x 149; S = 1,840 x 10³ mm³ --- O W 410 x 100 O W 360 x 101 O W 460 x 89 O W 310 x 118

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.2.13P: A simply supported wooden I-beam with a 12-ft span supports a distributed load of intensity q = 90...

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