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TECHNICAL PAPERS

Evaluation of Aseismic Reliability of Actual Boiler Structures and a Study on Design of Seismic Ties Based on Proof Tests Using a Large Scaled Shaking Table

[+] Author and Article Information
Kiyoshi Aida

Materials Research Department, Kure Research Laboratory, Babcock Hitachi K.K. 3-36, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan

Yasuyuki Owa

Structural Design Department, Kure Division, Babcock Hitachi K.K. 6-9, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan

Kohei Suzuki

Tokyo Metropolitan University, 1-1, Minamiosawa, Hachioji-shi, Tokyo, 192-0093, Japan

Satoshi Fujita

Tokyo Denki University, 2-2, Kandanishiki-cho, Chiyoda-ku, Tokyo, 101-8457, Japan

J. Pressure Vessel Technol 126(1), 46-52 (Feb 26, 2004) (7 pages) doi:10.1115/1.1637645 History: Received December 16, 2002; Revised June 04, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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References

Nishida, E., Suzuki, K., Yasuda, T., and Owa, Y., 1992, “Optimum Design of Connecting Elements in Complex Structures and Its Application to Aseismic Design of Boiler Plant Structures,” ASME-PVP Vol. 237-1, pp. 109–114.
Nishida,  E., Suzuki,  K., Yasuda,  T., and Owa,  Y., 1996, “Aseismic Optimization of Nonlinear Joint Elements in Boiler Plant Structures Based on Substructure Synthesis Method,” JSME Series C , 39(1), pp. 130–136.
Yasuda, T., Nishida, E., and Suzuki, K., 1994, “Development of Energy Absorbing Seismic Ties for Aseismic Design of Boiler Plant Structures,” ASME-PVP Vol. 275-2, pp. 99–103.
Electrical Code Investigation Committee, 1991, “Guidelines for Aseismic Design of Thermal Power Station,” JEAG 3605, Japan Electric Association.
Ministry of Construction, 1980, “The Building Standard Law Construction.”
Nagamatsu, A., and Okuma, M., 1991, Substructure Synthesis Method (in Japanese), published by Baihu-kan in Japan.
Shibata, A., and Sozen, M. A., 1976, “Substitute Structure Method for Seismic Design in R/C,” ASCE Vol. 102.

Figures

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Side view of boiler plant
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Link type elasto-plastic designed tie(A1)
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Link type elastic designed tie(A2)
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Inserted type elasto-plastic designed tie(B1)
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Inserted type elastic designed tie(B2)
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Method of dual-mass approximation
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Frequency response function of support structure displacement: (a) multi-mass model; and (b) dual-mass model.
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Frequency response function of relative displacement between boiler and support structure: (a) multi-mass model; and (b) dual-mass model.
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Design flow of test model
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Overview and specification of test model
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Shake table acceleration versus support structure
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Force-displacement relation of seismic tie
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Influence of input level for various second slopes of structures
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Skeleton curves by various parameters
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Comparison of ductility ratio (Taft EW 50 cm/s)
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Comparison of story deflection ratio
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Comparison of story deflection ratio

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