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Vol.1(1979) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10649/273

Title: 移動式クレーンと振動くい打ち機からなる系の制振に関する研究
Other Titles: Optimum design of a dynamic damper for a vibration hammer attached to a mobile crane
Authors: 伊藤, 廣
黒橋, 道也
Authors Affiliation: 長岡技術科学大学
Issue Date: 25-Mar-1980
Publisher: 長岡技術科学大学
Journal Title: 長岡技術科学大学研究報告
Volume: 1
Start page: 28
End page: 34
Abstract: This paper deals with the damping of vibration of the system in the case when a pile is driven into or drawn out of the ground with a vibration hammer attached to a mobile crane. Vibrational characteristics of the whole system are found though finite element analysis of a simplified model of the system. Using these results, the optimum design of a dynamic damper mounted on the crane boom has been made for the vibrational modes.Theoretical results obtained on natural frequency and effects of the dynamic on vibration of the system have been found to agree well with those obtained by experiments using an actual machine, and validity of the simplified mode of the system and the design of the dynamic damper is confirmed .the application of the dynamic damper leads to about one-half reduction of the vibration of the crane boom without impairing working efficiency.
language: ja
Contents Version: publisher
URI: http://hdl.handle.net/10649/273
ISSN: 0388-5631
Appears in Collections:Vol.1(1979)

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