Wavelet analysis provided more diagnostic information about bolt anchorage quality and was more suitable for the identification of dynamic test signal for bolt anchorage system with impairments.

小波分析提供了更多关于锚杆锚固质量的特征信息，更适合于处理锚杆系统有损伤情况下动测波形的识别。

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In the support project of soft-rock tunnel, the pullout resistance of the Self-screwed Slip Casting Tube Bolt is the critical technical parameter that related to the security of anchorage system.

在软岩隧道支护中，自旋注浆锚管的抗拔力是至关重要的技术参数，关系到锚固体系的安全。

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Based on the anchorage mechanism of bolts, a model for the anchorage system is established. An embedded bolt can be regarded as a waveguide according to the propagation properties of guided waves.

根据锚杆的锚固机制，建立锚固体系模型，并由导波的传播特性提出把锚固锚杆作为波导来处理的思想。

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