Explain briefly Example 18.9: A two hinged parabolic arch has a span 30 m and a rise of 7.5 m. The M.I. of archsection is proportional to sec 0, where 0 is the slope of the arch axis at any pont with the horizontal.Calculate the horizontal thrust caused in the arch due to rise of temperature 25°F. The value of E = 2x 10$ kN/m2 and hte co-efficient of expansion10 m.6 x 10-6per degree F. The M.I. at crown is 1.25 x

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Engineering

Mechanical Engineering

briefly

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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Question

Explain briefly

Example 18.9: A two hinged parabolic arch has a span 30 m and a rise of 7.5 m. The M.I. of arch
section is proportional to sec 0, where 0 is the slope of the arch axis at any pont with the horizontal.
Calculate the horizontal thrust caused in the arch due to rise of temperature 25°F. The value of E = 2
x 10$ kN/m2 and hte co-efficient of expansion
10 m.
6 x 10-6
per degree F. The M.I. at crown is 1.25 x

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