Horizontal Stiffness and Micro-Slip on a Bolted Joint Subjected to Repeated Tangential Static Loads
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概要
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In this study we have investigated more detailed behaviours of the horizontal stiffness and the micro-slip on a bolted joint. Horizontal displacements on bolted joints having various contact surface conditions have been measured during repeated tangential loadings and unloadings. From experimental results , it is known that the horizontal displacement is a direct sum of the elastic displacement and the micro-slip, and the tangential load-displacement curve shows a hysteresisloop under the repeated loading cycles. The hysteresisloops mentioned above may be classified as two typical types. First type of the hysteresisloop is an almost constant one having a small width or a large width and this can be found on ground joint surfaces made of mild steel or of brass. Second type is an advanced one having gradually decreasing width and this can be found on ground joint surfaces made of cast iron. The electrical contact resistance has been also measured in order to clarify the more detailed behaviours of the micro-slip on the bolted joint.
著者
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Ito Yoshimi
Department Of Mechanical Engineering For Production Tokyo Institute Of Technology
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KOIZUMI Tadayoshi
Tokyo Institute of Technology
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MASUKO Masami
Department of Mechanical Engineering for Production, Tokyo Institute of Technology
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KOIZUMI Tadayoshi
Department of Mechanical Engineering for Production, Tokyo Institute of Technology
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Ito Yoshimi
Department of Chemistry, University of Tsukuba
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- Horizontal Stiffness and Micro-Slip on a Bolted Joint Subjected to Repeated Tangential Static Loads
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