Crack detection of a 15 meter long reinforced concrete girder with a single distributed cable sensor

G. D. Chen*, S. S. Sun, X. L. Shen, D. Pommerenke, G. G. Greene, A. Belarbi, H. M. Mu

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband

Abstract

A new concept of designing cable sensors for health monitoring of large-scale civil infrastructures has recently been proposed by the authors. The concept was developed based on the change in topology of the outer conductor of a coaxial cable sensor. One such sensor was fabricated with its outer conductor tightly wrapped with tin plated steels that are covered by soldering. It was mounted near the surface of a 15 m long reinforced concrete girder with a 762 mm square hollow cross section and 152 mm thick walls. The girder was tested under a progressively increasing cyclic torsion creating 45° inclined cracks around and along the girder. The main objectives of this study are to implement the distributed cable sensor technology in large-scale reinforced concrete structures, to understand the performance of a sensor under cyclic loading for detecting and locating cracks, and, finally, to address a number of implementation issues including signal loss, non-uniformity, recoverability and measurement uncertainty.

Originalspracheenglisch
TitelStructural Health Monitoring and Intelligent Infrastructure - Proceedings of the 1st International Conference on Structural Health Monitoring and Intelligent Infrastructure
Seiten181-190
Seitenumfang10
PublikationsstatusVeröffentlicht - 1 Dez 2003
Extern publiziertJa
Veranstaltung1st International Conference on Structural Health Monitoring and Intelligent Infrastructure, SHMII-1'2003 - Tokyo, Japan
Dauer: 13 Nov 200315 Nov 2003

Publikationsreihe

NameStructural Health Monitoring and Intelligent Infrastructure - Proceedings of the 1st International Conference on Structural Health Monitoring and Intelligent Infrastructure
Band1

Konferenz

Konferenz1st International Conference on Structural Health Monitoring and Intelligent Infrastructure, SHMII-1'2003
LandJapan
OrtTokyo
Zeitraum13/11/0315/11/03

ASJC Scopus subject areas

  • !!Building and Construction
  • !!Architecture

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