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Description:

Our research group has been developing 1,700 MPa class ultra-high-strength bolts and will try to rationalize bolted connections with the bolts. This study conducted mass production of 1,700 MPa class bolts and confirmed the tensile resistance experimentally. The slip behaviour of friction type bolted joints with them was also investigated. The mass-produced bolts demonstrated the stable tensile resistance derived from the used material. Slip test results of double-lap joints coated with inorganic zinc-rich paint found that the slip coefficient evaluated by the bolt tension before the test was larger than 0.45, and the bolt tension reduction through the slippage became less than about 3 percent.

Rights:

• In Copyright
  

Keyword: Ultra-high-strength bolts, friction type bolted joints, slip coefficient, tensile resistance

Date published:

Publisher: 一般社団法人 日本鋼構造協会

Journal:

• 鋼構造論文集 vol. 30 issue. 120 p. 120115-120127

Funding:

• 日本学術振興会、JSPS 20246105 (科学研究補助金基盤研究 A)
• 日本学術振興会、JSPS 19H02468 (科学研究補助金基盤研究B)

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.11273/jssc.30.120_115

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Other identifier(s):

Contact agent: 木村勇次 (National Institute for Materials Science) Kimura.Yuuji@nims.go.jp

Updated at: 2024-08-26 12:30:37 +0900

Published on MDR: 2024-08-26 12:30:37 +0900