Compressive Characteristics of Box Columns Repaired by Heating and Pressing

Hirohata, Mikihito; Kim, You-Chul

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タイトル	Compressive Characteristics of Box Columns Repaired by Heating and Pressing
著者	Hirohata, Mikihito Hirohata, Mikihito
著者	Kim, You-Chul Kim, You-Chul
キーワード等	Correction by Heating and Pressing
	Buckling
	Ultimate Strength
	Box Column
抄録	Correction by heating and pressing is used as a method of repair for steel structures damaged by local buckling, but the effect of correction by heating and pressing on mechanical behavior of steel members is not elucidated sufficiently. So to examine the compressive characteristics of box columns corrected by heating and pressing, a series of experiments was carried out. Local buckling was generated in the virgin column by compressive loads and it was corrected by heating below the A1 transformation temperature and then pressing. A compressive experiment for the corrected columns was performed and the results of the experiment were compared with that in the virgin situation. The stiffness in the axial direction of the corrected column decreased and the out-of-plane displacement at the ultimate situation increased compared to those in the virgin situation. This was because of the irregularity of the column’s height due to correction of the panels. In the case that the irregularity was leveled by lathing, they were controlled and kept as those of the virgin columns. In any case the ultimate strength of the box column corrected by heating and pressing was not lower than that in the virgin situation.
公開者	大阪大学接合科学研究所
公開者の別表記	Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)	オオサカダイガクセツゴウカガクケンキュウジョ
掲載誌名	Transactions of JWRI
巻	36
号	1
開始ページ	91
終了ページ	96
刊行年月	2007-07
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/3696
言語	英語

著者版フラグ	publisher
NII資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Transactions of JWRI.36(1) P.91-P.96
DC.title	Compressive Characteristics of Box Columns Repaired by Heating and Pressing
DC.creator	Hirohata, Mikihito
DC.creator	Kim, You-Chul
DC.publisher	大阪大学接合科学研究所
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2007-07
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/3696
DC.subject	Correction by Heating and Pressing
	Buckling
	Ultimate Strength
	Box Column
DCTERMS.abstract	Correction by heating and pressing is used as a method of repair for steel structures damaged by local buckling, but the effect of correction by heating and pressing on mechanical behavior of steel members is not elucidated sufficiently. So to examine the compressive characteristics of box columns corrected by heating and pressing, a series of experiments was carried out. Local buckling was generated in the virgin column by compressive loads and it was corrected by heating below the A1 transformation temperature and then pressing. A compressive experiment for the corrected columns was performed and the results of the experiment were compared with that in the virgin situation. The stiffness in the axial direction of the corrected column decreased and the out-of-plane displacement at the ultimate situation increased compared to those in the virgin situation. This was because of the irregularity of the column’s height due to correction of the panels. In the case that the irregularity was leveled by lathing, they were controlled and kept as those of the virgin columns. In any case the ultimate strength of the box column corrected by heating and pressing was not lower than that in the virgin situation.
citation_title	Compressive Characteristics of Box Columns Repaired by Heating and Pressing
citation_author	Hirohata, Mikihito
citation_author	Kim, You-Chul
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2007-07
citation_journal_title	Transactions of JWRI
citation_volume	36
citation_issue	1
citation_firstpage	91
citation_lastpage	96
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/3696
citation_keywords	Correction by Heating and Pressing
	Buckling
	Ultimate Strength
	Box Column

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