Assessing Equivalent Viscous Damping Using Piping System test Results

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The specification of damping for nuclear piping systems subject to seismic-induced motions has been the subject of many studies and much controversy. Damping estimation based on test data can be influenced by numerous factors, consequently leading to considerable scatter in damping estimates in the literature. At present, nuclear industry recommendations and nuclear regulatory guidance are not consistent on the treatment of damping for analysis of nuclear piping systems. Therefore, there is still a need to develop a more complete and consistent technical basis for specification of appropriate damping values for use in design and analysis. This paper summarizes the results ... continued below

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Nie, J. & Morante, R. July 18, 2010.

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The specification of damping for nuclear piping systems subject to seismic-induced motions has been the subject of many studies and much controversy. Damping estimation based on test data can be influenced by numerous factors, consequently leading to considerable scatter in damping estimates in the literature. At present, nuclear industry recommendations and nuclear regulatory guidance are not consistent on the treatment of damping for analysis of nuclear piping systems. Therefore, there is still a need to develop a more complete and consistent technical basis for specification of appropriate damping values for use in design and analysis. This paper summarizes the results of recent damping studies conducted at Brookhaven National Laboratory.

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  • ASME 2010 Pressure Vessels & Piping Conference; Bellevue, WA; 20100718 through 20100722

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  • Report No.: BNL--91314-2010-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 1013472
  • Archival Resource Key: ark:/67531/metadc843541

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  • July 18, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • July 21, 2016, 6:42 p.m.

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Nie, J. & Morante, R. Assessing Equivalent Viscous Damping Using Piping System test Results, article, July 18, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc843541/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.