I'll see if I can answer these all in one go. I probably shouldn't have included the question alluding to a pipeline virtual anchor. The pipe would be wrapped and would have cathodic protection. By direct buried I just meant that it would not be insulated or installed with a secondary...
I'm working on the design of a buried hydrogen pipeline (API-5L X60) that is several miles long. I'm using Caesar II software to evaluate it and have access to ASME B31.1, B31.3, and B31.12. I'm assuming an ambient temperature of 70F (should probably consider using 50F) and the design...
