Temperature Compensation in Deformation Testing for Smart Concrete Structures

Song, Xian Hui; Li, Zheng; Li, Zhuo Qiu

doi:10.4028/0-87849-415-4.1503

Cited by 1 publication

(2 citation statements)

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“…In the past decade, smart concrete was developed from carbon fiber-reinforced concrete (CFRC) by utilizing the piezoresistivity for sensing strain (Sun et al, 2000;Wen and Chung, 2001;Reza et al, 2003;Song et al, 2006;Han and Ou, 2007;Ou and Han, 2009;Yu and Kwon, 2009) or by utilizing the relation between damage and resistance for sensing damage (Wang et al, 1998;Chen and Liu, 2008). Recently, CBCC was also found to have stable and sensitive piezoresistivity (Li et al, 2004(Li et al, , 2006b(Li et al, , 2008.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, CBCC was also found to have stable and sensitive piezoresistivity (Li et al, 2004(Li et al, , 2006b(Li et al, , 2008. To improve the application of smart concrete in health monitoring, some approaches such as using smart concrete as surface coating (Wen and Chung, 2001) or as structural material (Chen et al, 2005;Song et al, 2006) have been proposed. Recently, an advanced application approach that uses smart concrete as an embedded strain sensor was proposed.…”

Section: Introductionmentioning

confidence: 99%

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Self-monitoring Properties of Concrete Columns with Embedded Cement-based Strain Sensors

Xiao

2011

Journal of Intelligent Material Systems and Structures

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Cement-based strain sensors (CBCC sensor) were fabricated by taking the advantage of piezoresistivity of CB-filled CBCC. CBCC sensors were centrally embedded into concrete columns (made with C40 and C80 concretes, respectively) to monitor the strain of the columns under cyclic load and monotonic load by measuring the resistance of CBCC sensors. The comparison between the monitored results of CBCC sensors and that of traditional displacement transducers indicates that CBCC sensors have good strain-sensing abilities. Meanwhile, CBCC sensors exhibit different failure modes that break later than C40 concrete columns, but a little earlier than C80 concrete columns. Therefore, the strength-matching principle between embedded CBCC sensors and concrete columns is proposed in this article to guarantee the sensing capacity of CBCC sensors in various concrete structures. The analytical results agree well with the experimental phenomena.

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