Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment

Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Takashi OHNO [verfasserIn] Nobuyuki KOBAYASHI [verfasserIn] Osamu FURUYA [verfasserIn] Kenji OYAMADA [verfasserIn]

Format:	E-Artikel
Sprache:	Japanisch

Erschienen:	2015

Schlagwörter:	spherical tank seismic performance pipe brace shaking test fem analysis

Übergeordnetes Werk:	In: Nihon Kikai Gakkai ronbunshu - The Japan Society of Mechanical Engineers, 2022, 82(2015), 833, Seite 15-00486-15-00486
Übergeordnetes Werk:	volume:82 ; year:2015 ; number:833 ; pages:15-00486-15-00486

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1299/transjsme.15-00486

Katalog-ID:	DOAJ085960802

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allfields	10.1299/transjsme.15-00486 doi (DE-627)DOAJ085960802 (DE-599)DOAJ598b704eeac443e89752417e7bed044a DE-627 ger DE-627 rakwb jpn TJ1-1570 TA213-215 Takashi OHNO verfasserin aut Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely. spherical tank seismic performance pipe brace shaking test fem analysis Mechanical engineering and machinery Engineering machinery, tools, and implements Nobuyuki KOBAYASHI verfasserin aut Osamu FURUYA verfasserin aut Kenji OYAMADA verfasserin aut In Nihon Kikai Gakkai ronbunshu The Japan Society of Mechanical Engineers, 2022 82(2015), 833, Seite 15-00486-15-00486 (DE-627)1028882408 21879761 nnns volume:82 year:2015 number:833 pages:15-00486-15-00486 https://doi.org/10.1299/transjsme.15-00486 kostenfrei https://doaj.org/article/598b704eeac443e89752417e7bed044a kostenfrei https://www.jstage.jst.go.jp/article/transjsme/82/833/82_15-00486/_pdf/-char/en kostenfrei https://doaj.org/toc/2187-9761 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 82 2015 833 15-00486-15-00486
spelling	10.1299/transjsme.15-00486 doi (DE-627)DOAJ085960802 (DE-599)DOAJ598b704eeac443e89752417e7bed044a DE-627 ger DE-627 rakwb jpn TJ1-1570 TA213-215 Takashi OHNO verfasserin aut Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely. spherical tank seismic performance pipe brace shaking test fem analysis Mechanical engineering and machinery Engineering machinery, tools, and implements Nobuyuki KOBAYASHI verfasserin aut Osamu FURUYA verfasserin aut Kenji OYAMADA verfasserin aut In Nihon Kikai Gakkai ronbunshu The Japan Society of Mechanical Engineers, 2022 82(2015), 833, Seite 15-00486-15-00486 (DE-627)1028882408 21879761 nnns volume:82 year:2015 number:833 pages:15-00486-15-00486 https://doi.org/10.1299/transjsme.15-00486 kostenfrei https://doaj.org/article/598b704eeac443e89752417e7bed044a kostenfrei https://www.jstage.jst.go.jp/article/transjsme/82/833/82_15-00486/_pdf/-char/en kostenfrei https://doaj.org/toc/2187-9761 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 82 2015 833 15-00486-15-00486
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allfieldsSound	10.1299/transjsme.15-00486 doi (DE-627)DOAJ085960802 (DE-599)DOAJ598b704eeac443e89752417e7bed044a DE-627 ger DE-627 rakwb jpn TJ1-1570 TA213-215 Takashi OHNO verfasserin aut Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely. spherical tank seismic performance pipe brace shaking test fem analysis Mechanical engineering and machinery Engineering machinery, tools, and implements Nobuyuki KOBAYASHI verfasserin aut Osamu FURUYA verfasserin aut Kenji OYAMADA verfasserin aut In Nihon Kikai Gakkai ronbunshu The Japan Society of Mechanical Engineers, 2022 82(2015), 833, Seite 15-00486-15-00486 (DE-627)1028882408 21879761 nnns volume:82 year:2015 number:833 pages:15-00486-15-00486 https://doi.org/10.1299/transjsme.15-00486 kostenfrei https://doaj.org/article/598b704eeac443e89752417e7bed044a kostenfrei https://www.jstage.jst.go.jp/article/transjsme/82/833/82_15-00486/_pdf/-char/en kostenfrei https://doaj.org/toc/2187-9761 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 82 2015 833 15-00486-15-00486
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topic_title	TJ1-1570 TA213-215 Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment spherical tank seismic performance pipe brace shaking test fem analysis
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title	Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment
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title_full	Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment
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author_browse	Takashi OHNO Nobuyuki KOBAYASHI Osamu FURUYA Kenji OYAMADA
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title_sort	evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment
callnumber	TJ1-1570
title_auth	Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment
abstract	Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely.
abstractGer	Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely.
abstract_unstemmed	Significant fire and explosion accident on spherical tanks for Liquefied Petroleum Gas (LPG) storage was induced by the strong ground motion of the 2011 Great East Japan Earthquake. Steel pipe braces were broken due to the strong seismic inertia force, and then buckling of support legs occurred. To prevent recurrence, reinforcing the intersection of braces was needed. Currently, in the Japanese seismic resistance design standard for high pressure equipment including spherical tanks for storage, when subjected to a large earthquake, it is allowed to occur a certain degree of plastic deformation, witch way not lead to release high pressure gases. When receiving a high-level seismic motion, seismic response of high pressure equipment could be non-linear due to plastic deformation and the mechanical damping could be increased as well. On the other hand, a vibration test for spherical tank has not conducted in the past. Deformation behavior of the spherical tank and pipe braces was not clear against real ground motion. In addition, there are not many precedent studies done on the effectiveness of the reinforcement of pipe braced supporting frame against high-level ground motion. In this study, we conducted vibration tests using small models of spherical tank and examined non-linear response characteristics and failure mode due to plastic deformation. From the test results, it was concluded the effectiveness of reinforcement and the response characteristic of the pipe braced supporting frame of a spherical tank as follows; (1) The natural frequency indicates substantially the same value with or without reinforcement, because a large difference in the response characteristics of the whole structure was not observed. (2) In a case of brace intersection was reinforced, the maximum response acceleration increased at collapse. (3) In a case of brace intersection was reinforced there is no reinforcement to brace intersection, structural strength indicated the lowest at the load direction acting tensile force on long brace, cross section of long brace were deformed largely.
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title_short	Evaluation of seismic resistance capacity on pipe braced supporting frame of spherical tank by shaking experiment
url	https://doi.org/10.1299/transjsme.15-00486 https://doaj.org/article/598b704eeac443e89752417e7bed044a https://www.jstage.jst.go.jp/article/transjsme/82/833/82_15-00486/_pdf/-char/en https://doaj.org/toc/2187-9761
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author2	Nobuyuki KOBAYASHI Osamu FURUYA Kenji OYAMADA
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