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[
TECHNICAL BULLETIN ]
 Bellows
Expansion Joint: Pressure Loads, Anchors & Guides
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=
Intermediate
Anchors,
Pipe Guides and Pipe Buckling =
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some cases, a straight line system of axial bellows anchors
and guides is not practical or desired; or there is no reasonable
way or place to anchor the bellows thrust loads. In such
cases self restrained bellows assemblies may be used, such
as the double hinge restrained bellows shown below. Thermal
expansion (or contraction) in the long pipe is absorbed
by an offset deflection of the double hinge assembly. |
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Bellows
thrust load is carried by hinge bars, gimbals, tie rods or
other such devices; hence normal tension is maintained in
the pipe system and main anchors and full lateral restraint
guides are unnecessary. See Reference1
for more information.
Reference2:
W. Flügge, "Stresses in Shells", p 434-436,
Springer-Verlag, Berlin/Göttingen/Heidelberg, 1962
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