Application of micro-electro-mechanical sensors contactless NDT of concrete structures

Suyun Ham; John S. Popovics

doi:10.3390/s150409078

Application of micro-electro-mechanical sensors contactless NDT of concrete structures

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

Abstract

The utility of micro-electro-mechanical sensors (MEMS) for application in air-coupled (contactless or noncontact) sensing to concrete nondestructive testing (NDT) is studied in this paper. The fundamental operation and characteristics of MEMS are first described. Then application of MEMS sensors toward established concrete test methods, including vibration resonance, impact-echo, ultrasonic surface wave, and multi-channel analysis of surface waves (MASW), is demonstrated. In each test application, the performance of MEMS is compared with conventional contactless and contact sensing technology. Favorable performance of the MEMS sensors demonstrates the potential of the technology for applied contactless NDT efforts. Objective: To illustrate the utility of air-coupled MEMS sensors for concrete NDT, as compared with conventional sensor technology.

Original language	English (US)
Pages (from-to)	9078-9096
Number of pages	19
Journal	Sensors (Switzerland)
Volume	15
Issue number	4
DOIs	https://doi.org/10.3390/s150409078
State	Published - Apr 17 2015

Keywords

Air-coupled
Impact-echo
MEMS
Ultrasound

ASJC Scopus subject areas

Analytical Chemistry
Information Systems
Atomic and Molecular Physics, and Optics
Biochemistry
Instrumentation
Electrical and Electronic Engineering

Online availability

10.3390/s150409078

Library availability

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abstract = "The utility of micro-electro-mechanical sensors (MEMS) for application in air-coupled (contactless or noncontact) sensing to concrete nondestructive testing (NDT) is studied in this paper. The fundamental operation and characteristics of MEMS are first described. Then application of MEMS sensors toward established concrete test methods, including vibration resonance, impact-echo, ultrasonic surface wave, and multi-channel analysis of surface waves (MASW), is demonstrated. In each test application, the performance of MEMS is compared with conventional contactless and contact sensing technology. Favorable performance of the MEMS sensors demonstrates the potential of the technology for applied contactless NDT efforts. Objective: To illustrate the utility of air-coupled MEMS sensors for concrete NDT, as compared with conventional sensor technology.",

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Application of micro-electro-mechanical sensors contactless NDT of concrete structures

Abstract

Keywords

ASJC Scopus subject areas

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