Civil Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 1 (Q.No. 6)
6.
The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is
Discussion:
18 comments Page 2 of 2.
SPG said:
3 years ago
Elongation in conical bar = AL/3AE.
Elongation in a Prismatic bar = PL/AE,
The ratio will be =1:3.
Elongation in a Prismatic bar = PL/AE,
The ratio will be =1:3.
(10)
Azzu said:
7 years ago
For conical bar = γ l^2/(6E).
Prismatic bar=γ l^2/(2E),
Ratio of above values =1/3.
Prismatic bar=γ l^2/(2E),
Ratio of above values =1/3.
Sourabh said:
8 years ago
@Durgesh.
Weight of conical bar is 1/3πrrh unit.
Weight of prismatic bar πrrh.
Weight of conical bar is 1/3πrrh unit.
Weight of prismatic bar πrrh.
Munish said:
9 years ago
The solution for both beams when prismatic one carry additional load w with weight w.
Vicky said:
7 years ago
Isn't there any difference between Y (γ) and W (weight)?
Raj said:
4 years ago
So which bar is more elongation? Please explain.
Monika said:
7 years ago
Y is weight density.
That is w = Y * volume.
That is w = Y * volume.
(1)
Pritish said:
7 years ago
(WL^2/6E)/(WL^2/2E) = 1/3.
(1)
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