Are the reinforcing ribs on the outside of the cylinder, which bear the negative pressure in the jacket, required to be welded continuously?
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I have a question for the experts: must the reinforcement ribs of pressure vessels be welded continuously, or can they be welded in sections? The reinforcement ribs on the outside of the cylinder handle the negative pressure in the jacket
Continuous or intermittent welding can be used between the reinforcement ring and the cylinder body; when the reinforcement ring is located on the outside of the container, the total length of the intermittent welds on each side of the reinforcement ring should be at least 1/2 of the outer circumference of the cylinder.
Continuous welding is not required on the outer side. Intermittent welding
It is best to use intermittent welding, with intermittent welding on both sides
If design requirements are specified, follow those; if no such requirements exist, follow GB150.3