Vertical Vibration Control Induced by Vehicles for a Long-Span Structure

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (11) : 79-86.

TENG Jun1,2, LI Zuo-hua2, XING Hou-bing2, YE Li-yu2,FU Ji-yang3,QIAN Yong-mei4,WU Jiu-rong3

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Abstract

To solve the problem that structural acceleration induced by vehicles in vertical direction is too large to meet comfort requirements in related codes, a new device named as vibration control humps to be used to replace the conventional speed control humps will be introduced. Parameters of the vibration control humps will be analyzed based on the structure-vibration control humps-vehicle model and taking the amplitude of structural acceleration in vertical direction and vehicle load as analysis indicators. Measured results show that vibration control humps can effectively reduce the vertical vibration of the upper structure induced by vehicle load and structural acceleration can meet the relevant specifications comfort requirements.

Key words

long-span structure / vehicle load / speed control hump / structural comfort

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TENG Jun1,2, LI Zuo-hua2, XING Hou-bing2, YE Li-yu2,FU Ji-yang3,QIAN Yong-mei4,WU Jiu-rong3. Vertical Vibration Control Induced by Vehicles for a Long-Span Structure[J]. Journal of Vibration and Shock, 2016, 35(11): 79-86

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