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RESEARCH PAPERS

Experimental Study on Seismic Responses of Piping Systems With Friction—Part 1: Large-Scale Shaking Table Vibration Test

[+] Author and Article Information
K. Suzuki, T. Watanabe, T. Mitsumori

Department of Mechanical Engineering, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-03, Japan

N. Shimizu

Department of Mechanical Engineering, Iwaki Meisei University, Iwaki-shi, Fukushima 970, Japan

H. Kobayashi

Nuclear Power Division, Ishikawajima-Harima Heavy Industries Co., Ltd., Isogo-ku, Yokohama 235, Japan

N. Ogawa

National Research Institute for Earth Science and Disaster Prevention, Tsukuba-shi, Ibaraki 305, Japan

J. Pressure Vessel Technol 117(3), 245-249 (Aug 01, 1995) (5 pages) doi:10.1115/1.2842118 History: Received January 04, 1993; Revised November 08, 1994; Online February 11, 2008

Abstract

This report deals with the experimental study of seismic response behavior of piping systems in industrial facilities such as petrochemical, oil refinery, and nuclear plants. Special attention is focused on the nonlinear dynamic response of piping systems due to frictional vibration appearing in piping and supporting devices. A three-dimensional mock-up piping and supporting structure model wherein piping is of 30-m length and 200-mm diameter is excited by a large-scale (15 m × 15 m) shaking table belonging to the National Research Institute for Earth Science and Disaster Prevention in Tsukuba, Ibaraki. Power spectra of the response vibration and the loading-response relationship in the form of a hysteresis loop under several loading conditions are obtained. The response reduction effect caused by frictional vibration is evaluated and demonstrated in terms of “response reduction factor.”

Copyright © 1995 by The American Society of Mechanical Engineers
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