Structural safety criteria for blasting vibration based on wavelet packet energy spectra

Given multi-resolution decomposition of wavelet packet transforms,wavelet packet frequency band energy has been deduced from different bands of blasting vibration signals.Our deduction reflects the total effect of all three key elements（intensity,frequency and duration of vibration）of blasting vibration. We considered and discuss the dynamic response of structures and the effect of inherent characteristics of controlled structures to blasting vibration.Frequency band response coefficients for controlled structures by blasting vibration have been obtained.We established multi-factor blasting vibration safety criteria,referred to as response energy criteria.These criteria reflect the total effect of intensity, frequency and duration of vibration and the inherent characteristics（natural frequency and damping ratio）of dynamic responses from controlled structures themselves.Feasibility and reliability of the criteria are validated by an example.

小浪包变换的给定的多决定分解，小浪包频率乐队精力从爆炸的不同乐队被推出了颤动信号。我们的推理反映爆炸的所有三个关键元素(颤动的紧张，频率和持续时间) 的全部的效果颤动。我们考虑了并且讨论结构的动态反应和控制结构的固有的特征的效果到爆炸颤动。为由爆炸的控制结构的频率乐队反应系数颤动被获得了。我们建立了爆炸的多因素颤动安全标准，叫作反应精力标准。这些标准自己从控制结构反映颤动的紧张和动态回答的固有的特征(自然频率和抑制比率) 的全部的效果。标准的可行性和可靠性被一个例子验证。