Thickness of supporting ceilng required

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Calculating the required thickness of a PVC false ceiling to prevent plastic deformation under distributed point loads involves assessing the ceiling's dimensions, the yield strength of the PVC, and the specific weights and locations of the loads. However, discussions surrounding safety in construction projects are sensitive and require expert knowledge. It is advised to seek guidance from a local mentor rather than relying on online forums for such critical information. Engaging with a mentor ensures that the project is completed safely and provides valuable learning for future endeavors. The thread has been closed for moderation due to these concerns.
jer300
A false ceiling made of PVC is fixed around the edges. The ceiling has several point loads distributed on it. Given the ceiling dimensions, yield strength of PVC and the weights and locations of the loads, how do I calculate the required thickness of the ceiling to prevent it deforming plastically? (ignore thermal creep)
See attached sketch.
 

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This type of thread is problematical because it involves the safety of the people who are standing under the ceiling, and because we cannot know everything about the situation. In general, if you have to ask these types of questions on the Internet, you probably should not be doing the project.

It is much better to find a local Mentor who can help you learn how to design and build such structures. They will be able to help you do the project safely, and learn how to do it on your own the next time.

Thread will remain closed.
 
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