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How does PVC hold up when buried at great depths?

April 26, 2017depths great hold PVC

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How does PVC hold up when buried at great depths?

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According to the M. G. Spangler study, “flexible pipes may provide little inherent strength in comparison to rigid pipes, but when buried, have significant ability to support vertical loads due to passive pressures that develop as the sides of the pipe move outward against the earth.” (PVC Pipe News v. 29 number 3.) http://www.uni-bell.org/news/2006_winter.