The stress - wave reflection method exist limitation in testing the quality of foundation pile. The direction of defects in pile body exerts a tremendous influence on testing results.
应力波反射法在检测基桩质量的应用上存在着方法上的局限，且桩身缺陷的方向性对检测结果影响极大。
The equation of lateral disturbance is used to analys the problem. The effects on the propagation and reflection of stress wave are taken into account.
用幂级数解法，理论上给出了该问题的级数解，同时考虑了应力波传播及反射对屈曲的影响。
Through the conduction theory based on one dimension stress wave theory, the reflection and transmission phenomena of waves on the surface of the wedge have been analyzed.
通过在一维应力波理论建立的传导理论，分析了波在楔型表面的反射和透射现象。
Stress wave propagation equations that incident wave and reflection wave are condition vectors are derived from three discrete forms as well as the characteristic matrix of the force and the velocity.
推导了以顺波、逆波为状态向量的应力波传播方程和杆形部件的作用力、速度传播的特征矩阵；
This paper summarizes simply the history of bolt testing technique, describes in detail stress wave reflection method.
笔者对锚杆检测技术的历史进行了简单的总结，并详细、重点介绍了目前被广泛使用的应力波反射法。
This paper summarizes simply the history of bolt testing technique, describes in detail stress wave reflection method.
笔者对锚杆检测技术的历史进行了简单的总结，并详细、重点介绍了目前被广泛使用的应力波反射法。
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