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Large Tolerance Seals
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Source：Internet Author：Unknow Pubdate：2008-03-24
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Ussuri (Civil/Environme)
4 Mar 08 3:04
I have an application where I need to seal between a steel superstructure and a concrete base. The seal would be required to retain 8 bar water pressure.
Here is the problem. The width of the gap that needs sealed ranges from 25mm to 150mm (1" to 6") due to a large variation in level across the concrete. Grouts, epoxy resin etc are not feasible due to other constraints (the application is subsea).
Any suggestions?
graybeach (Structural)
4 Mar 08 15:50
Would grout filled flat jacks work?
Ussuri (Civil/Environme)
5 Mar 08 3:58
Please elaborate, I have not come across the term 'Flat Jacks' before?
graybeach (Structural)
5 Mar 08 8:03
字串8
Flat jacks are flat round bags that can be inserted into a narrow space and then pumped up with hydraulic fluid for temporary or grout for permanent installation. Here is a link that illustrates them:
http://www.wbequipment.com/flatjacks.htm
（Click：）
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