Welcome to the aboveground storage tank forum, a bulletin board dedicated
to tanks, fuel tanks, plastic tanks, fuel storage tanks, and above ground storage
tanks (AST) API650, API653 & UL142
aboveground storage tanks (AST) and chemical plastic tanks. Remember the forum
is made up of volunteers from experts to beginners. Unfortunately, we cannot allow free commercialism that promotes products, services, or sites.
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Re: FIXED ROOF TANK - Saturday, March 24, 2012 - DavidR@Fast.net [39]
Since API 650 limits you to 1/2 thick steel roofs and a maximum height minimum radius you can easily calculate the maximum diameter based on the loading for a self supported cone, dome or umbrella roof. However, if you consider any roof that does not have vertical columns as self supported then you are pretty much unlimited in size since you can build a 3D space frame and cover it with thin steel. If you are not stuck with steel then aluminum clear span roofs have been made up to 450 feet in diameter.
AIS Metallurgical Testing and Laboratory from failure analysis to impact testing.
Pressure Vessel Safety Awareness Training Tutorial is sponsored by Industrial Training School and AIS Forensic Testing Laboratory.
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ETANK2000: The #1 CAE tool for aboveground storage tank design / re-rating / inspection evaluation to API-650, API-620, API-653, & UL-142
AMETank (comming soon): All of the ETANK2000 engineering / code calculations plus Bill of Materials, Fabrication Drawings, and (soon) Estimating.
4611 Broad River Road, Suite I
Forum 
What is the maximum size of tank that can be constructed with self supported roof?
Since API 650 limits you to 1/2 thick steel roofs and a maximum height minimum radius you can easily calculate the maximum diameter based on the loading for a self supported cone, dome or umbrella roof. However, if you consider any roof that does not have vertical columns as self supported then you are pretty much unlimited in size since you can build a 3D space frame and cover it with thin steel. If you are not stuck with steel then aluminum clear span roofs have been made up to 450 feet in diameter.
Industrial Training School and AIS Forensic Testing Laboratory.
