25 KN III a a ASTEEL ACOPPER STEEL 2.8 m 3.6 m hree vertical rods of equal distance, each has a diameter of 20mm and supports a load of 25 kN as shown in the figure. Initially, all the rods are adjusted so that they share equal tresses. Neglecting any chance of buckling, and taking Es = 205 GPa and Ec = 100 GPa, determine the final stress in the steel when a further load of 20 KN is added.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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ASTEEL
ܢܢܝܝܘ ܗ
25 KN
ACOPPER
a
STEEL
2.8 m
3.6 m
Three vertical rods of equal distance, each has a diameter of 20mm and supports a load of 25 KN as shown in the figure. Initially, all the rods are adjusted so that they share equal
stresses. Neglecting any chance of buckling, and taking Es = 205 GPa and Ec = 100 GPa, determine the final stress in the steel when a further load of 20 KN is added.
Transcribed Image Text:ASTEEL ܢܢܝܝܘ ܗ 25 KN ACOPPER a STEEL 2.8 m 3.6 m Three vertical rods of equal distance, each has a diameter of 20mm and supports a load of 25 KN as shown in the figure. Initially, all the rods are adjusted so that they share equal stresses. Neglecting any chance of buckling, and taking Es = 205 GPa and Ec = 100 GPa, determine the final stress in the steel when a further load of 20 KN is added.
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