How to find support reactions in frames

Thread starter karimullah
Start date Apr 2, 2013
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Frames Reactions Support Support reactions

In summary, the number of support reactions in a frame is equal to the number of unknown forces acting on the frame. There are three types of support reactions that can occur in a frame: fixed, roller, and pinned. To determine support reactions, one can draw a free body diagram and apply the equilibrium equations. The method of joints is not suitable for finding support reactions, but there are software programs available to assist. It is important to have a basic understanding of structural mechanics and equilibrium equations to interpret the results from these programs.

Apr 2, 2013

karimullah

how to find support reactions in frames

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Apr 2, 2013

karimullah

reactions support in frames

how to find support reactions in frames

Apr 2, 2013

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1. How do I determine the number of support reactions in a frame?

The number of support reactions in a frame is equal to the number of unknown forces acting on the frame. These unknown forces can be determined by analyzing the equilibrium equations for the frame.

2. What are the types of support reactions that can occur in a frame?

The types of support reactions that can occur in a frame are fixed support, roller support, and pinned support. Fixed support prevents any movement in the frame, roller support allows for movement in one direction, and pinned support allows for movement in two directions.

3. How do I draw a free body diagram to find support reactions in a frame?

To draw a free body diagram, start by identifying all the external forces acting on the frame, including any applied loads and the reactions at the supports. Then, draw a simplified diagram of the frame, showing all the forces acting on each member. Finally, apply the equilibrium equations to solve for the unknown support reactions.

4. Can I use the method of joints to find support reactions in a frame?

No, the method of joints is used to find the internal forces in each member of a frame, not the support reactions. To find the support reactions, you will need to use the equilibrium equations and possibly the method of sections.

5. Are there any software programs that can help me find support reactions in frames?

Yes, there are many structural analysis software programs available that can assist in finding support reactions in frames. Some popular programs include SAP2000, ETABS, and STAAD.Pro. However, it is important to have a basic understanding of structural mechanics and the equilibrium equations in order to interpret the results from these programs.