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Appl. Sci. 2017, 7(12), 1319; doi:10.3390/app7121319

Estimation of Tendon Force Distribution in Prestressed Concrete Girders Using Smart Strand

Structural Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology, 283, Goyangdae-Ro, Ilsanseo-Gu, Goyang-Si 10223, Gyeonggi-Do, Korea
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Received: 25 October 2017 / Revised: 8 December 2017 / Accepted: 13 December 2017 / Published: 19 December 2017
(This article belongs to the Section Mechanical Engineering)
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Abstract

The recently developed smart strand offers the possibility of measuring the prestress force of the tendon from jacking and all along its service life. In the present study, a method estimating the force distribution in all the tendons of a prestressed concrete (PSC) girder installed with one smart strand is proposed. The force distribution in the prestressed tendons is formulated by the friction and the anchorage slip, and is obtained through an optimization process with respect to the compatibility conditions and equilibrium of the forces in the section of the PSC girder. The validation of the proposed method through a numerical example and experiment shows that it can be used to estimate the force developed in the tendon. View Full-Text
Keywords: smart strand; strand; tendon; prestress; force distribution; optical fiber sensor smart strand; strand; tendon; prestress; force distribution; optical fiber sensor
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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.; Kim, S.T.; Cho, J.-R.; Park, Y.-H. Estimation of Tendon Force Distribution in Prestressed Concrete Girders Using Smart Strand. Appl. Sci. 2017, 7, 1319.

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