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Heber Rodríguez on Maximum or Minimum height / Diameter ratio in AST API tanks

By: Heber Rodríguez [699] 2 Stars
Date: Wednesday, February 16, 2011
Time: 10:36:34 AM

Hello dear experts.

I would like if there is some rule or statement in API 650 or 620 or empiric rule that mention the maximun or minimun H / D ratio for AST tanks, regard less the acorage requirement or minimum shell thikness, the main worry is how slender could be a tank regarding the sismic issues.

I am designing a tank with the following dimensions:

diameter: 3.7 m
Height: 9.8 m

I read API 650 app. A table A-1a typical sizes for small tanks, and I found the folowing:

for a 3 m diameter tanks there is an avaible height of 10.8 m.

That means my tank is within the size average, but I woul be more clear about this relation H/D, I wold like read more about this.

Like always it would be hightly apreciate your help, ThANKS in advance.

Heber Rodriguez

hrodriguez.afca@gmail.com


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