The Influence of Support Hardware and Piping System Seismic Response on Snubber Support Damping-Reference-Cited by-同舟云学术

The Influence of Support Hardware and Piping System Seismic Response on Snubber Support Damping

Published:1997-11-01 Issue:4 Volume:119 Page:451-456
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Lay C.¹,Abu-Yasein O. A.¹,Pickett M. A.¹,Madia J.²,Sinha S. K.²

Affiliation:

1. Department of Civil Engineering, College of Engineering, University of Toledo 2801 W. Bancroft Street, Toledo, OH 43606-3390

2. Consolidated Edison, New York, New York

Abstract

The damping coefficients and ratios of piping system snubber supports were found to vary logarithmically with pipe support nodal displacement. For piping systems with fundamental frequencies in the range of 0.6 to 6.6 Hz, the support damping ratio for snubber supports was found to increase with increasing fundamental frequency. For 3-kip snubbers, damping coefficient and damping ratio decreased logarithmically with nodal displacement, indicating that the 3-kip snubbers studied behaved essentially as coulomb dampers; while for the 10-kip snubbers studied, damping coefficient and damping ratio increased logarithmically with nodal displacement.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/119/4/451/5584049/451_1.pdf

Reference25 articles.

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4. Chiba, T., Kobayashi, H., Kitamura, K., Ando, K., and Koyanagi, R., 1983, “An Experimental Study on Damping Characteristics of Mechanical Snubbers for Nuclear Power Plant Piping Systems,” Transactions of the 7th International Conference on Structural Mechanics in Reactor Technology, Vol. K, pp. 311–318.

5. Chiba T. , and KobayashiH., 1985, “An Experimental Study on Damping Characteristics of Thermal Insulation,” Seismic and Dynamic Qualification Methods, ASME PVP-Vol. 100, pp. 17–23.

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