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Title: A portable, nondestructive evaluation system
Authors: University of Illinois at Urbana-Champaign. Department of Electrical and Computer Engineering.
Construction Productivity Advancement Research Program (U.S.)
Chen, Fu-Chiarng.
Chew, Weng Cho.
Alexander, A. Michel.
Keywords: Concrete evaluation
Portable radar system
Ultra-wide-band time-domain pulse radar system
Nondestructive evaluation
Nondestructive testing
Publisher: Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Description: Technical Report
Abstract: This project was a cooperative effort between the U.S. Army Engineer Waterways Experiment Station (WES) and the University of Illinois under a Cooperative Research and Development Agreement as part of the Construction Productivity Advancement Research Program. The purpose was to develop a portable radar system for nondestructive evaluation (NDE) of concrete. Two approaches, a time-domain pulse system and a frequency-domain system, were investigated. An ultra-wideband (UWB) time-domain pulse radar NDE system was developed at the University of Illinois and field tested at WES. The UWB time-domain impulse radar system successfully demonstrated the capability of detecting small reinforcement bars embedded in large concrete blocks. This report describes the development of the UWB time-domain NDE system in detail and illustrates several experimental results.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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