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Estimation of Safety and Economical Efficiency of Large High Tension Bolted Joints  

Sung, Ki-Tae (충주대학교 토목공학부)
Kyung, Kab-Soo (한국해양대학교 건설.환경공학부)
Lee, Seung-Yong (충주대학교 토목공학부)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.13, no.6, 2009 , pp. 97-105 More about this Journal
Abstract
This study was conducted for the purpose of examinating the safety and economical efficiency of large high tension bolted joints. The specimen using F10T-M30 large high strength bolts has been selected and static tensile test has been conducted to evaluate the slip characteristics. In addition, finite element analysis has been carried out to estimate the number of required bolts. As a result, the average slip coefficient of M30 high strength bolts exceeded 0.4 - the standard in highway bridge design specification - and has satisfied the slip strength, which is the same as that of M22 high strength bolts. In addition, if F13T-M22 high strength bolts were applied, the number of required bolts decreased by 21%, and if F10T-M30 high strength bolts were applied, the number of required bolts decreased by 46%, that leads to the conclusion that the economical efficiency in accordance with diametering of high strength bolts was now verified.
Keywords
high tension bolt; frictional joint; slip coefficient; large high tension bolt; economical efficiency;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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