Establishment and Compaction Experiment of Dynamics Model for Impact-imitated Vibratory Roller

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China Journal of Highway and Transport ›› 2007, Vol. 20 ›› Issue (3) : 121-126.

LIU Ben-xue^{1, 2}, FENG Zhong-xu¹, ZHAO Kan³, LIU Xiao-ting¹

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Abstract

In order to solve the limited deep compaction for vibratory roller and asymmetrical compaction for impact roller in road construction, authors put forward a new style of impact-imitated vibratory roller(IVR); built the interactional dynamics model of this machine and soil; deduced the formulae of machine jumping frequency and got the relation between running distance and vibratory coefficient and kicking coefficient under jumping frequency. The experiment proved the existence of jumping-vibration conditions for IVR. Authors put forward the new method for judging the jumping-vibration condition. In the end, the contrast experiments of compacting effect were carried out on jumping-vibration conditions and non-jumping conditions for IVR. The experimental results show that the compacting ability of impact-imitated vibrating compaction is improved better than that of vibrating compaction, and IVR is more beneficial for deep soil compaction.

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mechanical engineering / impact-imitated vibratory roller / experimental research / dynamics model / jumping-vibration / subharmonics / compaction degree

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LIU Ben-xue, FENG Zhong-xu, ZHAO Kan, LIU Xiao-ting. Establishment and Compaction Experiment of Dynamics Model for Impact-imitated Vibratory Roller[J]. China Journal of Highway and Transport, 2007, 20(3): 121-126

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Received	Published
2006-10-11	2007-05-15
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2014-03-11

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