This paper proposes a method to estimate the actual reaction loads in gimbal and hinged metal bellows expansion joints. Friction and some media pressure forces, which are not considered in current Expansion Joint Manufactures Association (EJMA) standard calculations, are added to bellows spring rate to estimate the expansion joint movement reaction moment. The proposed calculation method is based upon pressure and movement tests of large size expansion joints.
Determination of Gimbal and Hinged Expansion Joints Reaction Moments
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the Journal of Pressure Vessel Technology. Manuscript received February 20, 2011; final manuscript received May 14, 2012; published online September 16, 2013. Assoc. Editor: William J. Koves.
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Veiga, J. C., Kavanagh, N., Sousa, A. M. F., Medeiros, J., and Veiga, J. L. (September 16, 2013). "Determination of Gimbal and Hinged Expansion Joints Reaction Moments." ASME. J. Pressure Vessel Technol. October 2013; 135(5): 055001. https://doi.org/10.1115/1.4024435
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