1573. Comparative analysis on the comfort assessment methods and standards of blasting vibration

Qiang Yao1, Xingguo Yang2, Hongtao Li3

State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University,
Chengdu 610065, China

College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China

3Corresponding author

E-mail: 1yaoqiang777@126.com, 289022251@163.com, 3htl@scu.edu.cn

(Received 25 October 2014; received in revised form 20 December 2014; accepted 13 January 2015)

Abstract. The seismic effect created by blasting operations vibrates adjacent buildings and disturbs residents living in these buildings, often leading to disputes and complaints. In this paper, the vibration acceleration was calculated based on the measured blasting vibration velocity using the wavelet denoising-based four-point forward difference method. The infinite impulse response (IIR) digital filter was used to obtain the frequency weighting of acceleration, so as to calculate comfort assessment indexes such as vibration dose value (VDV), maximum weighted vibration severity and annoyance rate. Combined with the survey of engineering cases, comparative analysis was conducted on the indexes and standards that were suitable for the comfort assessment of blasting vibration. The results indicated that VDV, , and annoyance rate indexes could all reflect the impact of blasting vibration on comfort to a certain extent, and that while the first two indexes could only be used for qualitative assessment, the annoyance rate index could be used for quantitative comfort assessment. In addition, by applying these assessment indexes for the comfort assessment of blasting vibration, preliminary control standards were provided.

Keywords: blasting vibration, comfort, vibration dose value, maximum weighted vibration severity, annoyance rate, assessment methods.

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Cite this article

Yao Qiang, Yang Xingguo, Li Hongtao Comparative analysis on the comfort assessment methods and standards of blasting vibration. Journal of Vibroengineering, Vol. 17, Issue 2, 2015, p. 1017‑1036.

 

JVE International Ltd. Journal of Vibroengineering. Mar 2015, Volume 17, Issue 2. ISSN 1392-8716