AN EXPERIMENTAL STUDY ON SLIP COEFFICIENTS AND RELAXATION CHARACTERISTICS OF BOLTED FRICTION JOINTS WITH ALUMINUM-SPRAYED SPLICE PLATES

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  • AZUMA Kiyosaburo
    新日鐵住金株式会社 技術開発本部 技術開発企画部 総務室
  • TAKAGI Masahide
    新日鐵住金株式会社 建材事業部 建材開発技術部 橋梁開発技術室
  • YAMAGUCHI Takashi
    大阪市立大学大学院工学研究科都市系専攻都市基盤工学講座橋梁工学分野

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Other Title
  • 連結板接合面にアルミ溶射を施した高力ボルト摩擦接合継手のすべり係数およびリラクセーション特性に関する実験的研究
  • レンケツバン セツゴウメン ニ アルミ ヨウシャ オ ホドコシタ コウリョク ボルト マサツ セツゴウ ツギテ ノ スベリ ケイスウ オヨビ リラクセーション トクセイ ニ カンスル ジッケンテキ ケンキュウ

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Abstract

<p>For developing high-strength bolted friction joints with much higher friction coefficients than conventional ones, slip tests and relaxation tests of bolted friction joints with aluminum-sprayed splice plates are conducted by changing surface treatment of main plates. The results show that (1)slip coefficients are high in the case that main plates are blasted, (2)slip coefficients in the case that main plates are coated with inorganic zinc-rich paints or roughened by the disc sander drop slightly about 10<tt>～</tt>20% compared to the blasted one, (3)the coating thickness of inorganic zinc-rich paints has little effect on slip resistance, (4)the treatment of aluminum spraying has little influence on relaxation characteristics.</p>

Journal

  • Kou kouzou rombunshuu

    Kou kouzou rombunshuu 24 (96), 96_81-96_90, 2017-12-15

    Japanese Society of Steel Construction

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