Civil Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 1 (Q.No. 9)
9.
The shape of the bending moment diagram over the length of a beam, having no external load, is always
Discussion:
36 comments Page 1 of 4.
Gul panra said:
4 years ago
In case of structural analysis we ignore the self weight of beam only analysis on external load. While in designing of beam we take the self weight.
(2)
Sryadav said:
7 years ago
Tell me one thing please when you neglect self-weight than without external loading which type of load acting on the beam so bending moment in the beam is linear?
So, the correct answer is parabolic.
So, the correct answer is parabolic.
(2)
Sivanarayana said:
1 year ago
The answer is parabola, why because in any beam i.e. SS beam, the cantilever beam self-weight of the beam is UDL only.
In that case, BMD is parabola. Note that in any design calculations, we are taking dead weight into account for calculations in fixing size steel calculations and other parameters.
In that case, BMD is parabola. Note that in any design calculations, we are taking dead weight into account for calculations in fixing size steel calculations and other parameters.
(1)
Navin said:
3 years ago
dM/dX = F.
dF/dX = w =0, shear variation is rectangle shape x^0.
So, BMD Varn is linear.
dF/dX = w =0, shear variation is rectangle shape x^0.
So, BMD Varn is linear.
(1)
Uzair ahmed said:
5 years ago
No, the external load doesn't mean that beam is resting with weightlessness and levitating in the air, indeed, the dead load will be considered as UDL, and for UDL BMD is definitely parabola.
(1)
SK akbar said:
7 years ago
It is Parabolic.
(1)
Chandu said:
8 years ago
Yes, linear is the correct answer.
Dhruba said:
8 years ago
Yes, linear is the correct answer since there is no point or UDLload acting on the beam and the self-weight of the beam is neglected.
Tailam mahesh said:
8 years ago
Yes. You people first read the question. All of said linear is satisfactory if without consider dead loads. If it considers parabola is correct.
Belkeri shivakumar said:
8 years ago
Linear is correct. No any load sfd is rectangular than bm is linear.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers