Find Bending Moment at x= 0.9m w/ SFD & BMD

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In summary, to find the bending moment at x=0.9m, you will need to refer to the bending moment diagram and locate the point of interest on the x-axis. Then, you can read off the corresponding bending moment value. However, if the diagram is not to scale, you will need to calculate the force at that point using the equation bending moment = force x distance. The full question may provide more information or help in understanding the diagram.
  • #1
aifa89
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how to find bending moment?
information given : distance= 0.9m
with SFD and BMD diagram...and the cross section
but the moment equation is not given...so how to find the bending moment at x= 0.9m?
 
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  • #2
If you're given the bending moment diagram, it's just a case of going to 0.9m on the x-axis and reading off the corresponding bending moment.
 
  • #3
the problem is...the graph is not in scale...
it is just a sketch.
 
  • #4
Hmmmmm, well, the bending moment is force x distance so you need to find the force at the point of interest...can you post the full question?
 
  • #5
it is just a sketch.

Of course it is. It is probably to help or test your understanding of BM diagrams.

Don't forget that the 'sketch' will be a straight line or a parabola and that you can locate exactly the break and zero points. Once you have these you can calculate what happens at other points.
 

What is a bending moment?

A bending moment is a measure of the internal force or stress that is applied to a structural element, such as a beam or column, when a load is applied to it.

What is x=0.9m in relation to the bending moment?

x=0.9m refers to a specific location along the structural element at which the bending moment is being calculated. It is often used to determine the maximum or minimum bending moment at a specific point.

What is SFD?

SFD stands for Shear Force Diagram. It is a graphical representation of the forces acting on a structural element, such as a beam, at different points along its length.

What is BMD?

BMD stands for Bending Moment Diagram. It is a graphical representation of the bending moments at different points along a structural element, such as a beam.

How do you find the bending moment at x=0.9m with SFD and BMD?

To find the bending moment at x=0.9m using SFD and BMD, you would first locate the point on the SFD that corresponds to x=0.9m. Then, you would draw a vertical line down from that point on the SFD to the BMD. The value of the bending moment at x=0.9m can be read from the BMD at the point where the vertical line intersects it.

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