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Ligament calculation as per ASME section VIII Div 1

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Waqas-999

Waqas-999

Mechanical
May 18, 2023
5
ligament calculations are given as per UG-53 in section viii division 1. My question is can this calculation be used to calculated ligament efficiency for multiple holes in ellipsoidal head.
 
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UG-42 addresses reinforcement for multiple openings. UG-42(e) permits the use of the UG-53 ligament rules only for cylindrical and conical shells.
 
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Be careful. Sometimes it is convenient to increase the thickness of the head and avoid pads.

Regards
 
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@r6155. yes i agree, welding pads for multiple holes on dish end is quiet tricky.
 
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