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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

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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