ARRAY CONFIGURATION TO OBSERVE VIBRATION FROM URBAN RAIL TRAFFIC

被引：0

作者：

Tao, X. X. ^{[1
]}

Zheng, X. ^{[1
]}

Wu, J. M. ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China

来源：

ENVIRONMENTAL VIBRATIONS: PREDICTION, MONITORING, MITIGATION AND EVALUATION, VOLS I AND II | 2009年

关键词：

observation array; configuration; frequency-wave number spectrum; validate;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The configuration of observation array to detect vibration from urban traffic is deal with by frequency-wave number spectrum (F-K spectrum, in brief) in this paper. The F-K spectra from motions at rectangular arrays with different survey points in a simulated sine decaying wave field with orientation angles from 0 to 90 degree are calculated and examined. The array configuration is validated by if there is one and only one extreme on the spectrum, and if the angle between the line from the origin to the point and horizontal axis is consistent with the given one. The results show that at least 6 points are indispensable and enough. The F-K spectrum from records on a rectangular array with 6 points in actual vibration observation from light rail traffic in Beijing is finally demonstrated.

引用

页码：99 / 103

页数：5

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