For thick walled cylinders, the bending stress can not be neglected in comparison with the average tensile load. This yields an increased loading and different stresses at the internal and external fiber. Furthermore, warming or cooling processes produce thermal stress.
The module B10 determines the required wall thickness of thick walled cylinders. Furthermore, it calculates the equivalent stress produced by internal pressure and the thermal stress at the internal and external fiber.
AD 2000 Merkblaetter