SLIPPING BEHAVIOR OF HIGH STRENGTH BOLTED JOINTS INCLUDING DIFFERENT CONTACT SURFACES

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  • 表裏面（内外面）で仕様の異なる摩擦面における高力ボルト摩擦接合継手のすべり挙動

Abstract

<p> In high strength bolted joints, dissimilar belted joints with different friction surface specifications may be used on the front and back surfaces (for example, the outer and inner surfaces of a box girder), however the slipping behavior of the joints was not clear. This study is an experimental study aimed at clarifying the slip behavior and slip strength of the joint. In this experiment, high strength bolted joint specimens with thermal spraying on the front and inorganic zinc rich paint on the back were manufactured, and relaxation tests and slipping resistance tests were carried out using them. During the slip strength test, displacement gauges were installed on the front and back surfaces, respectively, and the behavior during slipping was measured to clarify the behavior of dissimilar belted joints. The slip strength of the joint was clarified and the applicability of dissimilar belted joints was also shown.</p>

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