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How to apply soil back-fill pressure to a pipe?

Question asked by Sam Zhang on Dec 16, 2018

Hi,

 

I have a case of simulating a GRP Pipe in a trench, with soil back-filled upon it, 1m deep from ground surface to top to pipe.

 

My problem is, I am going to apply pressure (caused by soil) to outside surface of pipe, but I don't know the equation of this non-linear pressure. or , is there better way to apply soil pressure upon a cylinder surface?

 

Thank you for any idea or advice

 

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