Integrity evaluation of PCC piles using the surface reflection method

Sheng-Huoo Ni; Y. H. Huang

doi:10.1111/j.1747-1567.2012.00832.x

Integrity evaluation of PCC piles using the surface reflection method

Sheng-Huoo Ni, Y. H. Huang

Department of Civil Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The surface reflection method was used in this study to evaluate its applicability and limitations in the evaluation of the integrity of pour concrete-cased (PCC) piles. Parametric studies of the surface reflection technique were carried out numerically and experimentally, and the responses were analyzed both in the time and frequency domains. It was found that the length of the PCC piles can be determined with confidence in both domains. However, detecting the integrity of PCC piles in the time domain seems more appropriate than that in the frequency domain. Also, the relative angle between the impact and receivers should not be larger than 90° to obtain satisfactory accuracy in the determination of the defect depth.

Original language	English
Pages (from-to)	63-73
Number of pages	11
Journal	Experimental Techniques
Volume	37
Issue number	4
DOIs	https://doi.org/10.1111/j.1747-1567.2012.00832.x
Publication status	Published - 2013 Jul 1

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering

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10.1111/j.1747-1567.2012.00832.x

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abstract = "The surface reflection method was used in this study to evaluate its applicability and limitations in the evaluation of the integrity of pour concrete-cased (PCC) piles. Parametric studies of the surface reflection technique were carried out numerically and experimentally, and the responses were analyzed both in the time and frequency domains. It was found that the length of the PCC piles can be determined with confidence in both domains. However, detecting the integrity of PCC piles in the time domain seems more appropriate than that in the frequency domain. Also, the relative angle between the impact and receivers should not be larger than 90° to obtain satisfactory accuracy in the determination of the defect depth.",

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AB - The surface reflection method was used in this study to evaluate its applicability and limitations in the evaluation of the integrity of pour concrete-cased (PCC) piles. Parametric studies of the surface reflection technique were carried out numerically and experimentally, and the responses were analyzed both in the time and frequency domains. It was found that the length of the PCC piles can be determined with confidence in both domains. However, detecting the integrity of PCC piles in the time domain seems more appropriate than that in the frequency domain. Also, the relative angle between the impact and receivers should not be larger than 90° to obtain satisfactory accuracy in the determination of the defect depth.

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Integrity evaluation of PCC piles using the surface reflection method

Abstract

All Science Journal Classification (ASJC) codes

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