Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
Online ISSN : 2185-4653
ISSN-L : 2185-4653
Technical Report (In Japanese)
INVESTIGATION OF TORQUE COEFFICIENTS AND MECHANICAL PROPERTIES ON HIGH STRENGTH HEXAGON BOLTS OF 22 mm DIAMETER
Kuniaki MINAMIKiyoshi ENDOSyouichi KOMINEDaisuke MIYAIDaichi FUJINONatsuki YOSHIOKAAtsushi SHIBUYATatsuya HAMA
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2019 Volume 75 Issue 2 Pages 257-265

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Abstract

 High strength hexagon bolts are widely used to bolted joints in steel bridges. It is known that their bolts vary widely of torque coefficients. However, characteristics of torque coefficients not clarified. In this paper, we have investigated the 4815 of torque coefficients on the basis of the mill sheet data and bolt-tightening tests data in order to clarify torque coefficients on high strength hexagon bolts of 22 mm diameter. We also have investigated the mechanical properties of their bolts.

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© 2019 by Japan Society of Civil Engineers
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