Numerical Analysis and Test Study of Bolted Structure

The theoretical value of bolt pre-tightening torque coefficient is typically 0.2 on load boundary condition simulations.A set of measuring setup has been designed in present study.Through direct measurement and electric measurement,a torque coefficient of 0.15 has been measured.The effects of pre-ti...

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Bibliographic Details
Published inApplied Mechanics and Materials Vol. 26-28; pp. 231 - 235
Main Authors Wang, Tao, Yu, Shao Rong, Zhang, Duo, Zheng, Xiao Ya
Format Journal Article
LanguageEnglish
Published Zurich Trans Tech Publications Ltd 01.06.2010
Subjects
Elastic Contact
Pre-Tightening Force
Bolt
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Summary:The theoretical value of bolt pre-tightening torque coefficient is typically 0.2 on load boundary condition simulations.A set of measuring setup has been designed in present study.Through direct measurement and electric measurement,a torque coefficient of 0.15 has been measured.The effects of pre-tightening torque coefficient on bolt stress field are studied numerically.Results show that the coefficient has significant effect on bolt stress fields and relatively conservative results will be achieved if a theoretical value of 0.2 is chosen.Studies on stresses around hole-edge and comparisons with test values show that simulated results of and agree well with test data and the relative errors are no more than 15%.
Bibliography:Selected, peer reviewed papers from the 2010 International Conference on Advanced Mechanical Engineering (AME 2010) will be held on September 4~5, 2010 in Luoyang, China
ISBN:0878492496
9780878492497
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.26-28.231