研究隧道掌子面后方隧道拱顶、掌子面正上方和侧面围岩的爆破振动规律。
The blasting vibration rules of arch crown and upper and side surrounding rocks behind tunnel face are studied.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
其次，在分析地震波的特征和传播规律的基础上，介绍了爆破地震振动分析与预测的方法；
Secondly, the transmission rules and characteristics of blasting seism wave are analyzed in the paper. The methods of analyzing and predicting blasting vibration are introduced in this paper too.
本方法亦可用于分析爆破振动信号在传播过程中能量随时间的衰减规律，对综合研究爆破机理和爆破地震波有指导意义。
The method can be also applied to analyze the attenuation laws of energy for blasting vibration signals during the propagation, blasting mechanism and blasting seismic effects in its entirety.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
研究了爆破振动能量多主频分布规律，进一步指出了地震波的传播特征。
The multi-mater-frequency characteristic of blasting seismic energy and the transmission characteristic of blasting seismic wave are studied.
结果表明，数值法能较全面地反映爆破振动全过程的变化规律。
The results show that finite element method can fully describe the whole process of blast vibration.
岩质边坡爆破振动的高程放大效应是边坡上振动速度传播规律的重要研究内容之一。
Elevation amplification effect of blasting vibration is an important study content of vibration propagation law on rock slope.
应用这些信号可以给出不同频率带上爆破振动的相对能量分布和振动强度的时间变化规律。
By using these signals, the relative energy distributions of blasting vibration in different frequency bands and the regularity of vibration strength varying with time can be obtained.
因此，测试隧道爆破近区围岩的振动、研究隧道掌子面附近围岩的振动规律是隧道钻爆施工安全的重要保证。
So it is necessary to test blasting vibration of the surrounding rock near tunnel blasting source and to study the blasting vibration rule.
根据隧道掘进爆破震动监测数据，分析了隧道掘进爆破的震动特征，拟合得到了泰山花岗岩中地面振动速度的变化规律。
Based on monitoring vibration data from the tunneling blasting, the characteristics of vibration from the shallow tunneling blasting are analyzed.
结果表明，数值法能较全面地反映爆破振动全过程的变化规律。
The results show that finite element method can fully describe the whole…
结果表明，数值法能较全面地反映爆破振动全过程的变化规律。
The results show that finite element method can fully describe the whole…
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