Method for Identifying the Grout Defects of the Anchors at Ultra-Early-Stage Based on Time-Domain Waveform Characteristic Reflection Points

Anchors constitute a common form of structural support in geotechnical engineering. Precise identification of ultra-early-stage (UES) anchoring quality is crucial to ensure the integrity of the secondary lining. To address grout defects in the UES of anchors, a calculation method for UES anchor wave...

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Veröffentlicht in:	Russian journal of nondestructive testing 2023-12, Vol.59 (12), p.1223-1240
Hauptverfasser:	Sun, Bing, Zhu, Cong, Zou, Junhui, Wang, Shanyong, Zeng, Sheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic Methods Amplitudes Characterization and Evaluation of Materials Chemistry and Materials Science Defects Distortion Frequency domain analysis Geotechnical engineering Grout Materials Science Mathematical analysis Nondestructive testing Solid phases Structural Materials Time domain analysis Velocity Wave reflection Wave velocity Waveforms
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