This paper deals with the evaluation of aseismic reliability of actual boiler plant structures in conjunction with seismic ties, installed between the boiler and the support structures. Proof tests were conducted with a coupled model using a large-scale shake table which verified that the ties acted as energy-absorbing devices against severe earthquakes. Since recent boiler structures are designed based on dynamic response analysis considering the boiler-structure interaction and the effect of energy dissipation of the ties, it is necessary to verify the accuracy of simulation methods. In view of this, the numerical models of the ties are discussed in post analysis. As a result of the post analysis, it is confirmed that (1) seismic ties of existing boiler plants designed by dynamic analysis provide sufficient durability, and (2) the support structures designed by conventional methods have enough aseismic reliability.
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e-mail: aida-k@krl.bhk.co.jp
e-mail: owa-y@kure.bhk.co.jp
e-mail: k-suzuki@ecomp.metro-u.ac.jp
e-mail: sfujita@cck.dendai.ac.jp
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February 2004
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
Kiyoshi Aida,
e-mail: aida-k@krl.bhk.co.jp
Kiyoshi Aida
Materials Research Department, Kure Research Laboratory, Babcock Hitachi K.K. 3-36, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan
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Yasuyuki Owa,
e-mail: owa-y@kure.bhk.co.jp
Yasuyuki Owa
Structural Design Department, Kure Division, Babcock Hitachi K.K. 6-9, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan
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Kohei Suzuki,
e-mail: k-suzuki@ecomp.metro-u.ac.jp
Kohei Suzuki
Tokyo Metropolitan University, 1-1, Minamiosawa, Hachioji-shi, Tokyo, 192-0093, Japan
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Satoshi Fujita
e-mail: sfujita@cck.dendai.ac.jp
Satoshi Fujita
Tokyo Denki University, 2-2, Kandanishiki-cho, Chiyoda-ku, Tokyo, 101-8457, Japan
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Kiyoshi Aida
Materials Research Department, Kure Research Laboratory, Babcock Hitachi K.K. 3-36, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan
e-mail: aida-k@krl.bhk.co.jp
Yasuyuki Owa
Structural Design Department, Kure Division, Babcock Hitachi K.K. 6-9, Takara-machi, Kure-shi, Hiroshima-ken, 737-8508, Japan
e-mail: owa-y@kure.bhk.co.jp
Kohei Suzuki
Tokyo Metropolitan University, 1-1, Minamiosawa, Hachioji-shi, Tokyo, 192-0093, Japan
e-mail: k-suzuki@ecomp.metro-u.ac.jp
Satoshi Fujita
Tokyo Denki University, 2-2, Kandanishiki-cho, Chiyoda-ku, Tokyo, 101-8457, Japan
e-mail: sfujita@cck.dendai.ac.jp
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division December 16, 2002; revision received June 4, 2003. Associate Editor: G. C. Slagis.
J. Pressure Vessel Technol. Feb 2004, 126(1): 46-52 (7 pages)
Published Online: February 26, 2004
Article history
Received:
December 16, 2002
Revised:
June 4, 2003
Online:
February 26, 2004
Citation
Aida, K., Owa, Y., Suzuki, K., and Fujita, S. (February 26, 2004). "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 ." ASME. J. Pressure Vessel Technol. February 2004; 126(1): 46–52. https://doi.org/10.1115/1.1637645
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