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Sensors 2015, 15(6), 14079-14092; doi:10.3390/s150614079

Estimation of Prestress Force Distribution in the Multi-Strand System of Prestressed Concrete Structures

Structural Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-Ro, Ilsanseo-Gu, Goyang-Si, Gyeonggi-Do 411-712, Korea
These authors contributed equally to this work.
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Academic Editors: Gary R. Pickrell and Daniel Homa
Received: 25 March 2015 / Revised: 20 April 2015 / Accepted: 11 June 2015 / Published: 15 June 2015
(This article belongs to the Special Issue Optical Sensors for Chemical, Biological and Industrial Applications)
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Abstract

Prestressed concrete (PSC) is one of the most reliable, durable and widely used construction materials, which overcomes the weakness of concrete in tension by the introduction of a prestress force. Smart strands enabling measurement of the prestress force have recently been developed to maintain PSC structures throughout their lifetime. However, the smart strand cannot give a representative indication of the whole prestress force when used in multi-strand systems since each strand sustains a different prestress force. In this paper, the actual distribution of the prestress force in a multi-strand system is examined using elastomagnetic (EM) sensors to develop a method for tracking representative indicators of the prestress force using smart strands. View Full-Text
Keywords: optical fiber sensor; elastomagnetic sensor; prestressed concrete; strand optical fiber sensor; elastomagnetic sensor; prestressed concrete; strand
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Cho, K.; Park, S.Y.; Cho, J.-R.; Kim, S.T.; Park, Y.-H. Estimation of Prestress Force Distribution in the Multi-Strand System of Prestressed Concrete Structures. Sensors 2015, 15, 14079-14092.

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