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1. A uniformly distributed load of 68 lb/f carried by a simply supported beam span. The beam is a hollow rectangula section, having a width, b = 10.1 inches height, h = 16.8 inches and constant wa thickness of 1.7 inches. Determine the

1. A uniformly distributed load of 68 lb/f carried by a simply supported beam span. The beam is a hollow rectangula section, having a width, b = 10.1 inches height, h = 16.8 inches and constant wa thickness of 1.7 inches. Determine the

Structural Analysis
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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1. A uniformly distributed load of 68 lb/ft is carried by a simply supported beam span. The beam is a hollow rectangular section, having a width, b = 10.1 inches, height, h = 16.8 inches and constant wall thickness of 1.7 inches. Determine the first moment of area, Q of the beam in mm^3 at the point of maximum shearing stress. 2. A uniformly distributed load of 54 Ib/ft is carried by a simply supported beam span. The beam is a hollow rectangular section, having a width, b = 10.5 inches, hei 11.2 inches and constant wall thickness of 0.9 inches. Determine the maximum length of the beam in feet if the shearing stress is limited to 82 psi. Assume the load acts over the entire length of the beam. h = 3. Floor joists 62.5 mm wide by 196 mm high, simply supported on a 6.1 m span, carry a floor loaded at 4.9 kPa. Compute the center-line spacing between joists in meters to develop a bending stress of 11 MPа. 4. Floor joists 95 mm wide by 114 mm high, simply supported on a 4 m span, carry a floor loaded at 3.7 kPa. What safe floor load in kPa could be carried on a center- line spacing of 0.3 meters if the allowable bending stress is 6.1 MPa?
Transcribed Image Text:1. A uniformly distributed load of 68 lb/ft is carried by a simply supported beam span. The beam is a hollow rectangular section, having a width, b = 10.1 inches, height, h = 16.8 inches and constant wall thickness of 1.7 inches. Determine the first moment of area, Q of the beam in mm^3 at the point of maximum shearing stress. 2. A uniformly distributed load of 54 Ib/ft is carried by a simply supported beam span. The beam is a hollow rectangular section, having a width, b = 10.5 inches, hei 11.2 inches and constant wall thickness of 0.9 inches. Determine the maximum length of the beam in feet if the shearing stress is limited to 82 psi. Assume the load acts over the entire length of the beam. h = 3. Floor joists 62.5 mm wide by 196 mm high, simply supported on a 6.1 m span, carry a floor loaded at 4.9 kPa. Compute the center-line spacing between joists in meters to develop a bending stress of 11 MPа. 4. Floor joists 95 mm wide by 114 mm high, simply supported on a 4 m span, carry a floor loaded at 3.7 kPa. What safe floor load in kPa could be carried on a center- line spacing of 0.3 meters if the allowable bending stress is 6.1 MPa?
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