FRP confined smart concrete/mortar

Y. Xiao; P. S. Zhu; K. G. Choi; Y. T. Wu; Z. Y. Huang; B. Shan

doi:10.1117/12.659208

11 April 2006 FRP confined smart concrete/mortar

Y. Xiao, P. S. Zhu, K. G. Choi, Y. T. Wu, Z. Y. Huang, B. Shan

Proceedings Volume 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems; 61743A (2006) https://doi.org/10.1117/12.659208
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

In this study, fiber reinforced polymer (FRP) confined smart concrete/mortar sensors were invented and validated for significantly improved measurement range. Several trial mixes were made using cement mortar and micron-phase graphite powders at different mix proportions. Compressive loading tests were conducted on smart mortar cylinder specimens with or without FRP confinement. Two-probe method was used to detect the electrical resistance of the smart cement mortar specimens. Strong correlation was recognized between the stress and electric resistance of the smart mortar. The test results indicated that the FRP wrapping could significantly enlarge the range of such self-sensing property as a consequence of confinement.

Citation Download Citation

Y. Xiao, P. S. Zhu, K. G. Choi, Y. T. Wu, Z. Y. Huang, and B. Shan "FRP confined smart concrete/mortar", Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 61743A (11 April 2006); https://doi.org/10.1117/12.659208

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