Design of Concrete-Filled FRP Tubular Columns: Provisions in the Chinese Technical Code for Infrastructure Application of FRP Composites
Publication: Journal of Composites for Construction
Volume 15, Issue 3
Abstract
In recent years, fiber-reinforced polymer (FRP) composites have found wide applications in new construction. A popular type of hybrid member incorporating FRP is the concrete-filled FRP tube (CFFT), consisting of an FRP tube filled with plain or steel-reinforced concrete. CFFTs have several advantages over traditional column forms, including their excellent corrosion resistance and ductility. Much research has been conducted on CFFTs over recent years, but no systematic procedure for designing such members has been developed, which has been one of the factors preventing CFFTs from becoming more widely accepted in practice. This paper presents a summary of the design provisions for CFFTs given in the Chinese Technical Code for Infrastructure Application of FRP Composites and explains the rationale behind these provisions. These provisions have been developed on the basis of available research and work undertaken at The Hong Kong Polytechnic University.
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Acknowledgments
The authors are grateful for the financial support from The Hong Kong Polytechnic University (Project Codes: UNSPECIFIEDBBZH and UNSPECIFIED1-BB67). Members of the national committee for drafting the technical code for infrastructure applications of FRP composites are thanked for their helpful discussions and comments. In particular, the authors are grateful to Professor Yuan-De Xue of Tongji University for his contributions to the drafting of this part of the Code, especially in the early stage of drafting and in the development of the formula for the shear capacity of CFFTs.
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Published In
Journal of Composites for Construction
Volume 15 • Issue 3 • June 2011
Pages: 451 - 461
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Feb 19, 2010
Accepted: Jul 23, 2010
Published online: Jul 26, 2010
Published in print: Jun 1, 2011
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