Development of Fiber-Reinforced Cement-Based Composite Sheets for Structural Retrofit
Publication: Journal of Materials in Civil Engineering
Volume 22, Issue 6
Abstract
In recent years, advanced fiber-reinforced polymer (FRP) composites have been steadily developed and used in a wide spectrum of infrastructure applications. It is, however, recognized that many polymer resins soften rapidly when heated above . Hence fire vulnerability may become a future obstacle with the widespread use of FRP materials. In this paper, initial findings from an on-going project, aimed at developing temperature-resistant cement-based composite sheets for structural retrofit, were reported. Following a similar installation procedure to that of FRP sheets, it is essential to examine the effect of mix compositions on the rheological properties of the cement slurry and to develop suitable cement slurries for making thin fiber-reinforced cement sheets on the job sites. Retrofit efficiency of using both epoxy-based and cement-based thin sheets is investigated. Preliminary results are presented and discussed in this paper. It is confirmed that cement sheets could be very likely made in situ and provide a similar retrofit capacity to their FRP counterparts.
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Acknowledgments
The writers are grateful to the external reviewers who make valuable suggestions to improve the writing of this paper.
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Information
Published In
Journal of Materials in Civil Engineering
Volume 22 • Issue 6 • June 2010
Pages: 572 - 579
Copyright
© 2010 ASCE.
History
Received: Dec 29, 2008
Accepted: Oct 22, 2009
Published online: Oct 24, 2009
Published in print: Jun 2010
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