从而可以得到应力波的传播速率。
利用应力波传播理论探讨了桩基质量检测问题。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
研究了爆炸应力波在混凝土介质中的传播规律。
The propagation of the blasting stress wave in concrete was studied.
在一定条件下，动力扰动可简化为平面应力波。
The dynamic disturbance can be simplified as plane stress wave under certain conditions.
表面材料急剧气化，产生向材料内部传播的应力波。
Rapid vaporization of the surface produces a compressive shock wave which propagates into the material.
分析了爆破弱应力波作用下中远区裂纹的端部应力场。
Analyzed end stress field of far district slight crackle under blasting dynamic.
利用广义特征理论导出了应力波传播的特征线和特征关系。
The characteristic lines and characteristic relations are derived by using the generalized characteristic theory.
应用矩阵方法，研究了应力波在弹性杆形部件中的传输特性。
By applying a matrix approach, the stress wave propagating in an elastic bar is studied.
由于多孔材料冲击波阻抗很低，能够大大地削减应力波的强度。
The intensity of stress wave can be greatly decreased because of lower wave impedance and plastic deformation.
研究结果表明：节理面不规则结构明显地影响应力波的传播性质。
It is shown that the irregularity of the joint surface apparently affects the stress wave transmission.
本文采用自动数据采集及FFT技术研究应力波的弥散与衰减特性。
Dispersion and attenuation characteristics of stress waves were studied by means of the automatic data collection and FFT technique.
用特征线法分析了刚性块轴向撞击弹塑性直杆时应力波传播的过程。
The traveling process of elastic-plastic waves under impact action was analyzed by characteristics method.
考虑了弹塑性应力波传播对屈曲的影响，建立了该问题横向扰动方程。
The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.
通过实验工作，对应力波实验技术及数据处理中的若干问题作了探讨。
Based on our experiments, several problems on the test technique of stress waves and data treatment were studied.
实验结果表明，用应力波因子评价铝合金板材的相对均匀性具有可行性。
The experimental results show that the stress wave factor may be used to evaluate relative uniformity of aluminous sheets.
正是由于具有局部特征的应力波传播，引起结构局部或整体发生和生长。
It is for the propagation of longitudinal waves that the buckling of the structures takes place and grows.
文中还给出了PVDF用在铝试件及岩石试件中压应力波测量的试验结果。
The compressive pulses measured with PVDF gauges placed in aluminum and rock bar specimens are given too.
应力波测试混凝土桩基础的质量之优点在于不损伤桩基本身，且快速和有效。
The advantage of stress wave testing for concrete pile quality is nondestructive to pile itself. This method is rapid and effective.
节理对岩体工程有重要的影响，采用应力波反演节理产状有重要的工程意义。
Joints are crucial factors in rock masses engineering, so using stress waves to invert joint attitude is a valuable practice.
本文介绍了应力波反射法中所使用的频域分析在判断桩身质量完整性中的优点与不足。
In this paper, we introduced the merit and shortage of the frequency analysis determining the integrality of stake - boby quantity using the reflect method of stress wave.
提出了前兆应力波扩展与传播的最小阻力或最短波径定律以及地应力波传播的概略模型。
The law of least resistance or shortest path of spread of stress wave as well as general propagation model of stress wave are given.
炸药爆炸产生的应力波在不同介质界面中传播会发生变化，这是影响爆破效果的原因之一。
The stress wave induced by the explosion may change during spreading through different interfaces, which is one of the reasons of the influence of rockinterlayer on blasting.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中，提出了梯度土介质的概念。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
在爆炸或冲击荷载作用下，钢板间会引起复杂的应力应变状态的变化，表现在应力波传播比较复杂。
That the complex stress state change is aroused between armor plates under explosive or shock force is expressed by complex stress wave propagation.
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.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性，提出“简化等效阻力线”的计算方法；
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性，提出“简化等效阻力线”的计算方法；
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
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