Nondestructive Test Method for Cement Grouting in Corrugated Pipe Based on Systemic De-Convolution Technique

Yuan Chen; Qing Bang Han; Jin Cheng; Hong Hui Fan; Cheng Yin; Chang Ping Zhu

doi:10.4028/www.scientific.net/AMM.744-746.183

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Nondestructive Test Method for Cement Grouting in...

Nondestructive Test Method for Cement Grouting in Corrugated Pipe Based on Systemic De-Convolution Technique

Abstract:

In order to determine the cement grouting compactness, a new method is proposed for echo signals processing. A model containing four different defects is constructed and simulated using finite element method (FEM). The collected impact-echo signals are processed by systemic de-convolution. It is found that the surface depth of the defect is directly related to the beginning time of the head wave after de-convolution. Using this method, the defect position and dimension can be obtained.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

183-186

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.183

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Online since:

March 2015

Authors:

Yuan Chen*, Qing Bang Han, Jin Cheng, Hong Hui Fan, Cheng Yin, Chang Ping Zhu

Keywords:

De-Convolution, Defect, FEM, Finite Element, System

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* - Corresponding Author

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