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논문 기본 정보

자료유형
학술저널
저자정보
Hietpas, K. (University of Illinois at Urbana-Champaign) Ervin, B. (University of Illinois at Urbana-Champaign) Banasiak, J. (University of Illinois at Urbana-Champaign) Pointer, D. (University of Illinois at Urbana-Champaign) Kuchma, D.A. (University of Illinois at Urbana-Champaign) Reis, H. (University of Illinois at Urbana-Champaign) Bernhard, J.T. (University of Illinois at Urbana-Champaign)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제1권 제3호
발행연도
2005.1
수록면
267 - 282 (16page)

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This work describes ongoing development of an embedded sensor system for the early detection and prevention of deterioration of reinforcing steel tendons within reinforced concrete. These devices will evaluate the condition of the steel tendon using ultrasonic techniques and then wirelessly transmit this data to the outside world without human intervention. The ultrasonic transducers and the interpretation of the sensed signals that allow detection and prognosis of tendon condition are detailed. Electrical characterization of concrete mixtures used in bridge construction is conducted and a wideband microstrip antenna is designed and fabricated to operate between 2.4 and 2.5 GHz when embedded in such a medium. Simulations and measurements of the embedded antenna element are presented. Transceiver selection and implementation are discussed as well as future work in operational protocols, sensor networking, and power sources. By implementing commercially available off-the-shelf components whenever possible, these devices have the potential to save millions of dollars a year in evaluation, repair and replacement of reinforced concrete.

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