Restrained / unrestrained beam

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In summary, a restrained beam is fixed or anchored at its supports while an unrestrained beam is free to move and rotate. Restraint can cause additional stresses and deflections in a beam, as well as changes in its natural frequency and mode shapes. Temperature changes can also affect a restrained beam by causing thermal expansion or contraction, potentially leading to failure. The restraint condition of a beam can be determined by examining its support conditions and analyzing its behavior under load. Common examples of restrained and unrestrained beams include building frames and simple supported bridges.
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dss975599
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What are the advantages or purpose of restrained steel beam compared to restrained steel beam ?
 
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dss975599 said:
What are the advantages or purpose of restrained steel beam compared to restrained steel beam ?
I assume one of those "restrained" was supposed to be "unrestrained".

What has your research shown so far?
 

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