Pipe stiffness is likely the most commonly referenced and least understood performance parameter in the pipe industry.When most people think of pipes or try to

WHICH VEHICLE IS OF GREATER CONCERN TO THE INSTALLED PIPE? A highway truck weighing 72,000 lbs or a heavy-duty modular trailer weighing 600,000 lbs? If you

They all convey water from point A to point B, they all have a level of structural capacity, and they all can be buried.  So, all pipes must be equal, right? 

Culverts and buried bridge structures rely on a number of practical design and installation criteria to ensure they function structurally, hydraulically and

Dear Tech Abby,What does 46 psi pipe stiffness really mean?  Do all pipes meet or need 46 psi?  Can you help?-          John Q. CivilJ.Q., you are not alone.