Guided wave technique for non-destructive testing of StifPipe

Umar Amjad; Susheel K. Yadav; Chi H. Nguyen; Mohammad Ehsani; Tribikram Kundu

doi:10.1117/12.2085571

23 March 2015 Guided wave technique for non-destructive testing of StifPipe

Umar Amjad, Susheel K. Yadav, Chi H. Nguyen, Mohammad Ehsani, Tribikram Kundu

Author Affiliations +

Proceedings Volume 9438, Health Monitoring of Structural and Biological Systems 2015; 943805 (2015) https://doi.org/10.1117/12.2085571
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

The newly-developed StifPipe® is an effective technology for repair and strengthening of existing pipes and culverts. The wall of this pipe consists of a lightweight honeycomb core with carbon or glass fiber reinforced polymer (FRP) applied to the skin. The presence of the hollow honeycomb introduces challenges in the nondestructive testing (NDT) of this pipe. In this study, it is investigated if guided waves, excited by PZT (Lead ZirconateTitanate) transducer can detect damages in the honeycomb layer of the StifPipe®. Multiple signal processing techniques are used for in-depth study and understanding of the recorded signals. The experimental technique for damage detection in StifPipe® material is described and the obtained results are presented in this paper.

Citation Download Citation

Umar Amjad, Umar Amjad, Susheel K. Yadav, Susheel K. Yadav, Chi H. Nguyen, Chi H. Nguyen, Mohammad Ehsani, Mohammad Ehsani, Tribikram Kundu, Tribikram Kundu, "Guided wave technique for non-destructive testing of StifPipe", Proc. SPIE 9438, Health Monitoring of Structural and Biological Systems 2015, 943805 (23 March 2015); doi: 10.1117/12.2085571; https://doi.org/10.1117/12.2085571

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