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I agree that once I know the distance between the contact points I can calculate the forces required to resist the moment. I guess the biggest issue I am struggling with is not the capacity of the members themselves, but rather the localized stresses caused by the contact of the two pipes...

Thanks for the replies so far. To better clarify,let's assume a loose fit between the pipes and the moment is transferred by contact of the end of each pipe into the wall of the other pipe. An easy fix would be to use two bolts and check the appropriate AISC formulas for shear, bearing...

I am trying to determine the moment capacity of a nested pipe connection. For example,a 3" schedule pipe fitting inside a 3.5" schedule pipe. I would put a single bolt through both pipes to resists any axial loads. If you have ever used a cheater bar you know that there is some moment capacity...

Quite often all you would need is a steel sheet pile wall. The wall can act as both temporary shoring and a permanent wall. A non-structural seal weld is applied over the interlocks to make the wall completely water tight. This will allow you to stay within the property line. I have seen...

Sheet piles have been used throughout Europe for over 30 years as permanent basement walls. It is becoming more common in the US. What most people don't realize is that the sheet piles walls typically have plenty of excess capacity to support vertical loads. A distrbuted wall load of 20k/ft...