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Knowing that the average normal stress in member EG of the Pratt bridge truss shown must not exceed 21.34 ksi for the given loading, determine the cross- sectional area (in sq. in) of this member that will yield the most economical and safe design if h = 15.4 ft and P = 80.51 kips. Round off the final answer to five decimal places. В D F C E G 6- 9 ft 9 ft→+9 ft→ 9 ft- - 6- P P

Knowing that the average normal stress in member EG of the Pratt bridge truss shown must not exceed 21.34 ksi for the given loading, determine the cross- sectional area (in sq. in) of this member that will yield the most economical and safe design if h = 15.4 ft and P = 80.51 kips. Round off the final answer to five decimal places. В D F C E G 6- 9 ft 9 ft→+9 ft→ 9 ft- - 6- P P

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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Knowing that the average normal stress in member EG of the Pratt bridge truss shown must not exceed 21.34 ksi for the given loading, determine the cross- sectional area (in sq. in) of this member that will yield the most economical and safe design if h = 15.4 ft and P = 80.51 kips. Round off the final answer to five decimal places. D F E G -on- Y6- - 9 ft 9 ft- +9 ft→9 ft→| P P B.
Transcribed Image Text:Knowing that the average normal stress in member EG of the Pratt bridge truss shown must not exceed 21.34 ksi for the given loading, determine the cross- sectional area (in sq. in) of this member that will yield the most economical and safe design if h = 15.4 ft and P = 80.51 kips. Round off the final answer to five decimal places. D F E G -on- Y6- - 9 ft 9 ft- +9 ft→9 ft→| P P B.
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