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1.3-1 A hollow circular post ABC (see figure) supports a load P₁ = 7.5 kN acting at the top. A second load P₂ is uni- formly distributed around the cap plate at B. The diame- ters and thicknesses of the upper and lower parts of the post are dAB 12 mm, dBc 57 mm, and BC to = BC = 32 mm, t AB 9 mm, respectively. =

1.3-1 A hollow circular post ABC (see figure) supports a load P₁ = 7.5 kN acting at the top. A second load P₂ is uni- formly distributed around the cap plate at B. The diame- ters and thicknesses of the upper and lower parts of the post are dAB 12 mm, dBc 57 mm, and BC to = BC = 32 mm, t AB 9 mm, respectively. =

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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1 1.3-1 A hollow circular post ABC (see figure) supports a load P₁ = 7.5 kN acting at the top. A second load P₂ is uni- formly distributed around the cap plate at B. The diame- ters and thicknesses of the upper and lower parts of the 12 mm, dBc 57 mm, and = AB post are dB = 32 mm, TAB tBC = 9 mm, respectively. = t (a) Calculate the normal stress AB in the upper part o of the post. (b) If it is desired that the lower part of the post have the same compressive stress as the upper part, what should be the magnitude of the load P₂?
Transcribed Image Text:1 1.3-1 A hollow circular post ABC (see figure) supports a load P₁ = 7.5 kN acting at the top. A second load P₂ is uni- formly distributed around the cap plate at B. The diame- ters and thicknesses of the upper and lower parts of the 12 mm, dBc 57 mm, and = AB post are dB = 32 mm, TAB tBC = 9 mm, respectively. = t (a) Calculate the normal stress AB in the upper part o of the post. (b) If it is desired that the lower part of the post have the same compressive stress as the upper part, what should be the magnitude of the load P₂?
(c) If P₁ remains at 7.5 kN and P₂ is now set at 10 kN, what new thickness of BC will result in the same compres- sive stress in both parts? PROB. 1.3-1 B C A P₁ TAB -dAB P₂ dBc tBC
Transcribed Image Text:(c) If P₁ remains at 7.5 kN and P₂ is now set at 10 kN, what new thickness of BC will result in the same compres- sive stress in both parts? PROB. 1.3-1 B C A P₁ TAB -dAB P₂ dBc tBC
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