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75 kN 0.45 m -1.5 m- W 75 kN 0.45 m 300 mm The reaction of the ballast on the railway ties can be assumed uniformly distributed over its length. a) The wood has an allowable bending stress of allow= 10.5 MPa, determine the required minimum thickness t of the rectangular cross-sectional area of the tie.

75 kN 0.45 m -1.5 m- W 75 kN 0.45 m 300 mm The reaction of the ballast on the railway ties can be assumed uniformly distributed over its length. a) The wood has an allowable bending stress of allow= 10.5 MPa, determine the required minimum thickness t of the rectangular cross-sectional area of the tie.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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75 kN 0.45 m -1.5 m- W 75 kN 0.45 m 300 mm The reaction of the ballast on the railway ties can be assumed uniformly distributed over its length. a) The wood has an allowable bending stress of allow= 10.5 MPa, determine the required minimum thickness t of the rectangular cross-sectional area of the tie.
Transcribed Image Text:75 kN 0.45 m -1.5 m- W 75 kN 0.45 m 300 mm The reaction of the ballast on the railway ties can be assumed uniformly distributed over its length. a) The wood has an allowable bending stress of allow= 10.5 MPa, determine the required minimum thickness t of the rectangular cross-sectional area of the tie.
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