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TECHNICAL PAPERS

On the Nonlinear Response of Piping to Seismic Loads

[+] Author and Article Information
Luciano Lazzeri

TEA, 16137 Genova, Italye-mail: gvcknl@tin.it

J. Pressure Vessel Technol 123(3), 324-331 (Feb 28, 2001) (8 pages) doi:10.1115/1.1376124 History: Received April 27, 2000; Revised February 28, 2001
Copyright © 2001 by ASME
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References

Lazzeri,  L., 1987, “The Design of Piping in Plastic Conditions Under Dynamic Load,” Int. J. Pressure Vessels Piping, 30, pp. 351–365.
Lazzeri, L., 1988, “Effects of Plasticity on Dynamic Response of Piping Structures,” ASME J. Pressure Vessel Technol., 110 .
Lazzeri,  L., and Scala,  M., 1989, “Equivalent Damping in Piping due to Local Vielding,” ASME J. Pressure Vessel Technol., 111, pp. 337–342.
Lazzeri, L., 1999, “Piping Analysis with MATHCAD PAM,” Ansaldo doc TR9801 rev 3.10, mar.
Lazzeri, L., 1999, “Some Considerations About the Seismic Analysis of Piping Under Extreme Loading Conditions—Part III: Design,” ASME PVP Conference, Boston, MA.
Iwan, W. D., 1980, “Estimate Inelastic Response Spectra From Elastic Spectra,” Earthquake Eng. Struct. Dyn., 8 .
Slagis,  G., 1998, “Experimental Data on Seismic Response of Piping Components,” ASME J. Pressure Vessel Technol., 120, Nov.
Slagis, G., 1999, “Piping Seismic Margins,” ASME PVP-Vol. 387.
Jaquay, K., 1998 ‘Results and findings of the NRC Seismic Analysis of piping program’ ASME PVP Conference, San Diego, CA.
Beaney, E. M., 1987, “The Response of Pipes to Seismic Loading” Trans. 9 SMIRT Conf., Lausanne, Switzerland, p. 805.
Slagis, G., 1997, “Evaluation of Seismic Response Data for Piping,” Weld. Res. Counc. Bull., 423 .
Clough, R., and Penzien, J., 1993 Dynamics of Structures 2nd Edition, McGraw-Hill, New York, NY, p. 232.
Timoshenko, S. P., and Goodier, J. N. 1987, Theory of Elasticity McGraw-Hill Reissue as Classical Textbook, pp. 284,288.
Kussmaul, K., Diem, H., and Blind, D., 1987, “Investigation of the Plastic Behavior of Pipe Bends,” ASME PVP 127, p. 55.

Figures

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Beaney’s test; response acceleration
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Influence of weight and strain-hardening coefficient
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(a) Influence of input frequency on acceleration; (b) influence of input frequency on ductility
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Configuration of EPRI tests on elbows
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EPRI test 1: effect of input frequency and amplitude
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Accelaration amplification: calculations and experiments
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System F: configuration
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System F: effect of input amplitude and frequency on ductility
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System F: effect of input amplitude and frequency on response acceleration
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EPRI system 2 experimental results
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EPRI system 2 magnification factor
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EPRI system 2: calculated ductility requirements
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All EPRI data: magnification factor versus normalized input. (Note 1: the experimental Y load is unknown; an upper-bound value is used.)
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Ductility requirements versus L factor
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Moment curvature correlation

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