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。
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。
A stress wave reflection imaging (SWRI) method is presented to test and diagnose the complex defects in the concrete structure.
提出了混凝土结构中任意缺陷的应力波反射成像测试与诊断方法。
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