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 , 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 108 kN/m2 and hte co-efficient of expansion = 6 x 10-6 per degree F. The M.I. at crown is 1.25 × 10-2 mt.

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 , 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 108 kN/m2 and hte co-efficient of expansion = 6 x 10-6 per degree F. The M.I. at crown is 1.25 × 10-2 mt.

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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