J0402-1-4 ボルト破断事故原因究明に見る人間心理の影響 : エキスポランド・遊戯施設事故を中心として(締結・接合部の力学・プロセスと信頼性評価(1))

草間 昇

doi:10.1299/jsmemecjo.2009.6.0_315

The proceedings of the JSME annual meeting

Online ISSN : 2433-1325

2009.6

Session ID : J0402-1-4

DOI https://doi.org/10.1299/jsmemecjo.2009.6.0_315

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J0402-1-4 The uncertainty aversion principle in bolt cracking study

Noboru KUSAMA

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Keywords: Roller Coaster, Cone Bolt Cracking, Failure Analysis, Delayed Failure, Fatigue Failure, S-N curve, Uncertainty Aversion, Ambiguity Seeking

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Abstract

This paper describes failure analysis of roller coaster's cone bolt, in Osaka Exposition amusement park. The bolt of M36 is tough enough for 15 years operation. The police's assumption of fatigue failure has to be reviewed In the people's agreement, there will be uncertainty aversion principle.

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