Finding moment for a beam that is fixed at both ends

In summary, the conversation discusses how to find the moment at both fully fixed ends of a beam, similar to a cantilever. The beam is 5m long and has two distributed loads with the same load of 3.27kN/m. The first load starts at 1.35m from the left and the second load starts at 3.35m from the left. The conversation also mentions a procedure for finding the moment using a specific link.
  • #1
zewei1988
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I am curious as to how to find the moment at both of the fully fixed end (something like cantilever) of a beam.

The details of the beam are as follow:
The beam is 5m long
It is fully fixed at both ends
The first distributed load starts at 1.35m from the left, and ends at 1.65m from the left. It has a distributed load of 3.27kN/m.
The second distributed load starts at 3.35m from the left, and ends at 3.65m from the left. It has the same distributed load.

I have been trying to understand how the program managed to get the moment at both ends of the beam, but to no avail.
 

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What is the definition of a moment for a beam?

A moment for a beam is a measure of the bending effect on the beam caused by an external force. It is a product of the force and the distance from the point of application of the force to the fixed end of the beam.

Why is it important to find the moment for a beam that is fixed at both ends?

Finding the moment for a beam that is fixed at both ends is important because it allows us to determine the maximum bending stress and deflection of the beam. This information is crucial in ensuring that the beam is able to support the intended load without failure.

What are the steps involved in finding the moment for a beam that is fixed at both ends?

The steps involved in finding the moment for a beam that is fixed at both ends include: 1. Identifying the external forces acting on the beam 2. Drawing a free body diagram of the beam 3. Applying the equations of equilibrium to solve for the reactions at the fixed ends 4. Using the bending moment equation to calculate the moment at any point along the beam 5. Determining the maximum moment and its location on the beam.

Can the moment for a beam that is fixed at both ends be negative?

Yes, the moment for a beam that is fixed at both ends can be negative. A negative moment indicates that the beam is experiencing a compressive bending stress, where the top of the beam is in compression and the bottom is in tension.

What factors can affect the moment for a beam that is fixed at both ends?

The factors that can affect the moment for a beam that is fixed at both ends include the magnitude and location of external forces, the length of the beam, the support conditions, and the beam's material properties such as its cross-sectional area and moment of inertia.

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