Situation 17: A 572 Grade 65 steel with Fy = 448 MPa is used as a simple beam to carry a concentrated load P at the center of its span on a 6m simply supported span. The beam is W 12 x 14 section having the given properties shown. Properties of W 12 x 14 Weight of beam = 204.76 N/m Area = 2658 mm² Depth (d)= 302.514 mm Flange Width (b) = 100.787 mm Flange Thickness (t) = 5.690 mm Web Thickness (tw) = 5.029 mm Section Modulus = 242 529 mm³ 14. Determine the allowable bending stress of the beam if the compression flange of the beam is fully supported against lateral movement. a. 289.90 MPa b. 264.50 MPa 15. What is the value of the concentrated load P that the beam could support safely? 76.19 KN 58.13 kN 16. Compute the allowable bending stress if the compression flange has lateral support only at the midspan. a. 105.15 MPa c. 52.28 MPa b. 77.41 MPa d. 145.16 MPa a. b. c. 245.00 MPa d. 236.40 MPa c. 46.26 kN d. 35.12 kN

Situation 17: A 572 Grade 65 steel with Fy = 448 MPa is used as a simple beam to carry a concentrated load P at the center of its span on a 6m simply supported span. The beam is W 12 x 14 section having the given properties shown. Properties of W 12 x 14 Weight of beam = 204.76 N/m Area = 2658 mm² Depth (d)= 302.514 mm Flange Width (b) = 100.787 mm Flange Thickness (t) = 5.690 mm Web Thickness (tw) = 5.029 mm Section Modulus = 242 529 mm³ 14. Determine the allowable bending stress of the beam if the compression flange of the beam is fully supported against lateral movement. a. 289.90 MPa b. 264.50 MPa 15. What is the value of the concentrated load P that the beam could support safely? 76.19 KN 58.13 kN 16. Compute the allowable bending stress if the compression flange has lateral support only at the midspan. a. 105.15 MPa c. 52.28 MPa b. 77.41 MPa d. 145.16 MPa a. b. c. 245.00 MPa d. 236.40 MPa c. 46.26 kN d. 35.12 kN

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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