Foundation for Horizontal Aboveground Storage Tanks

• Apr 21, 2025

• #2

jhnblgr

Civil/Environmental

Jan 11, 2014

322

US

Place mat foundation below frost grade and use concrete walls to support the saddles.
Alternatively you could go high load insulation shallow foundation design method but really isn’t advisable. I always would recommend removing any soil in the frost line with clean crushed stone without fines, if the soil has moisture it’s going to heave frost wall or not.

 

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• Apr 21, 2025

• Thread starter
• #3

jim57

Structural

May 20, 2002

62

US

Thank you. Do we need walls at the saddle or can we just add more rebar in the mat? Do you have a sketch?

 

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• Apr 21, 2025

• #4

JStephen

Mechanical

Aug 25, 2004

8,729

US

Most of the cases I've seen, they had separate supports (footing + rectangular pier) under each saddle.

 

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• Apr 21, 2025

• #5

HTURKAK

Structural

Jul 22, 2017

3,334

The foundation depth should be selected as per geotech report and normally the depth should justify at least frost depth and allowable soil pressure .
Common practice is the set up described by JSTEPHEN . I will suggest you to look Process Industry Practices, Structural PIP STE03360
Heat Exchanger and Horizontal Vessel Foundation Design Guide.
There are worked examples for practicing engineers.

 

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