The steel pipe is supported on the circular base plate and concrete pedestal. If the normal failure stress for the steel is (oraila = 350 MPa, determine the minimum thicknesst of the pipe if it supports the force of 500 kN. Use a factor of safety against failure of 1.5. Also, find the minimum radius r of the base plate so that the minimum factor of safety against failure of the concrete due to bearing is 2.5. The failure bearing stress for concrete is (a)oon = 25 MPa. s00 kN 100 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The steel pipe is supported on the circular base plate and concrete pedestal. If the normal failure
stress for the steel is (Oraila = 350 MPa, determine the minimum thickness t of the pipe if it
supports the force of 500 kN. Use a factor of safety against failure of 1.5. Also, find the minimum
radius rof the base plate so that the minimum factor of safety against failure of the concrete due
to bearing is 2.5. The failure bearing stress for concrete is (alon = 25 MPa.
s00 KN
100 mm
Transcribed Image Text:The steel pipe is supported on the circular base plate and concrete pedestal. If the normal failure stress for the steel is (Oraila = 350 MPa, determine the minimum thickness t of the pipe if it supports the force of 500 kN. Use a factor of safety against failure of 1.5. Also, find the minimum radius rof the base plate so that the minimum factor of safety against failure of the concrete due to bearing is 2.5. The failure bearing stress for concrete is (alon = 25 MPa. s00 KN 100 mm
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