### Possible Answer

Maximum allowable compressive stress: F b: Maximum allowable bending stress: F bx: Maximum allowable strong axis bending stress: F by: ... Only equation (F1-8) is used for channels. None of these equations apply to tees in compression, thus such tees are not considered. - read more

Buried plastic pipe wall crushing calculator solving for allowable long term compressive stress given thrust in pipe wall and required wall cross sectional area - read more

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