观测了不同隔震沟尺寸条件下爆破地震波的幅值。
The amplitudes of the blasting seismic waves under the conditions of the different sizes of the quake insulation groove are measured.
研究了含断层高边坡在爆破地震波作用下的动力响应特性。
The dynamic response of high rock slope containing fault under the action of blasting seismic wave is studied.
本文总结了应力波的理论和爆破地震波的传播和衰减规律;
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
通过动力平衡方程和本构方程阐述了爆破地震波传播的数值计算方法。
Through the power balance equation and the constitutive equation described the numerical method of blasting seismic wave propagation.
分析了爆破地震波的危害特征,提出砌体房屋的爆破震动破坏机理及模型。
The paper analyse hazards characteristics of blasting seismic and propose blasting vibration model and the failure mechanism of masonry structure.
在此基础上,建立了爆破地震波传播过程的计算模型,编制了有限元计算程序。
On this basis, a calculation model for propagating process of blasting seismic waves and a FEM program have been established.
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.
钻爆开挖法洞室的施工点临近新完成结构体,爆破地震波必须严格控制在安全范围之内。
In the project discussed in this paper, the blasting site of drill-blast tunnel excavation method was close to the newly finished structure.
利用小波分析良好的时频局部化性质,可以很好地对爆破地震波进行信号重构和能量分析。
The wavelet packet method characterized by good time-frequency localization can be used to make signal reconstruction and energy analysis of blasting vibration wave.
与高频爆破地震波相比,低频地震波所产生的结构加速度反应更大,对结构破坏作用更强;
Acceleration and damage of superstructure under low frequency earthquake was larger than that under high frequency blast earthquake.
对某水电站地下洞室爆破振动进行观测、分析和处理,得到了爆破地震波传播衰减经验公式。
The blasting vibration of an underground chamber is observed, analyzed and interpreted. The experience formula of decay for the blasting earthquake wave is obtained.
对龙滩水电站蠕变体边坡的爆破振动进行观测、分析和处理,得到了爆破地震波衰减经验公式。
The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.
研究结果表明,该模型对研究三峡工程开挖爆破地震波衰减规律是有效的,计算结果是可靠的。
The analysis results demonstrated that the model is effective to study vibration damping regularity caused by excavation blasting for the Three Gorges project and computational results are reliable.
根据应力波理论和复变函数方法,建立了求解爆破地震波作用下任意形状洞室动态响应的解析方法。
In terms of stress wave theory and complex function, analytical solution for the interaction between blasting seismic wave and arbitrary shape underground Chambers is deduced.
作为模拟爆破地表震波的信号源,对于高挡墙建筑物进行了爆破地震波激励的动态响应的系列分析;
The blasting earthquake simulation signals are applied to analyze the dynamic response of high retaining wall structure under blasting earthquake wave.
由于隧道开挖采用多段微差爆破,所以多数实测爆破地震波中存在多个优势频率峰值,能量带分布很宽。
Multi-millisecond blasting is used in tunnel excavation, so there are several dominating frequency peak values in actual observation blasting seismic, and the energy distribution belt is wide.
本文全面探讨爆破地震波的各个参数对建筑物的影响,从而为进一步有效控制爆破地震动造成的危害提供参考。
Therefore, the paper explained the whole dynamical action of seismic wave to structures, and provided some advice to control damage caused by blasting vibration.
锚碇作为其主要的地下结构,在爆破地震波的作用下,振动效应是最显著的,关系到整个结构体系的安全与否。
As its main underground structure, under the action of blasting seismic waves, the blasting vibration effect of the anchor is notable, which relates to the safety of the whole structure.
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.
阐述了爆破地震波的质点最大振速V是一个随机变量,它与Q、R没有一般意义上确定的函数关系,因此振动只能控制在某一区间。
The maximum velocity V in blasting vibration is a random variable, it has no definite function relation to Q and R in general meaning. So V only can be controlled in a confidence interval.
然而,由于爆破地震波强烈的随机性、模糊性和不确定性,即便是爆破地震波的传播规律这样似乎简单的问题也尚未得到完整的认识。
However, due to its strong randomicity, fuzziness and uncertainly, even a problem such as transmission laws of blast vibration waves has not yet been cognized perfectly.
本文对爆破地震波的生成和爆破地震波对框架结构的影响进行了研究,对框架结构的抗爆性能进行了分析,并对框架结构在爆破地震波作用下的安全性作了评估。
This thesis carried out research about the production of blasting earthquake wave and its influence to frame structure and estimate the safety of frame structure loading blasting earthquake wave.
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.
本文仅涉及地震波传播及爆破方法选择两个课题,研究表明:在这类课题中,利用动态光弹性法有其优越性。
This paper only involves selection of detonating methods and propagation of earthquake waves. The study shows the superiority of using dynamic photoelasticity in the research area.
人工爆破波能在地球内和地表中传播,类似于天然地震波,可被事件发生地点附近的数字地震台网记录。
The wave incurred by explosion can like as that of earthquake spread in the interior and surface of the earth and be recorded by the digital seismic network.
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.
爆破拆除塌落触地产生触地震动,主要以S波、P波和R波三种地震波的形式向外传播。
The ground vibration by demolishing building mostly spreads with S-wave, P-wave, R-wave.
通过6次现场岩体爆破试验,测量出与爆源不等距离处的36组地震波形。
Through six blasting experiments, the 36 sets of seismic waveform at different positions away from the explosion sources are measured.
通过6次现场岩体爆破试验,测量出与爆源不等距离处的36组地震波形。
Through six blasting experiments, the 36 sets of seismic waveform at different positions away from the explosion sources are measured.
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