Not welded Stiffening ring according UG29

[farzam]

Dear All,
Please let me know, if UG29/30 are applicable to design the stiffening ring that is not welded or brazed to shell.(The ring is included 2same piece that attached to gether by bolts)

Thanks in Advance

 

[roca]

In my copy of ASME VIII Div 1 UG30 a). states that stiffening rings can be placed on the inside or outside of a vessel and SHALL be attached to the shell by welding or brazing.

So the answer is no.