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Concrete Beams Prestressed with CFRP Strands

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Abstract:

The behaviour of prestressed concrete beams reinforced with CFRP (carbon fibre reinforced plastic) strands was investigated and compared to prestressed concrete elements using conventional steel. In an initial phase, a large number of tests were carried out on statically determinate rectangular beams, slab-strips and T-beams. One test beam was prestressed using steel strands for comparison with beams having the same basic structure, but prestressed using CFRP strands. The most important parameters were tested, such as prestressing with and without bonding, as well as static and regularly repeated loads. The current paper summarises the most important research results.

Keywords: Carbon fibre reinforced plastic strands; Deflections; Failure mechanisms; Fracture behaviour; Prestressed concrete beams

Document Type: Research Article

DOI: https://doi.org/10.2749/101686697780494536

Publication date: 1997-11-01

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    Structural Engineering International (SEI), the quarterly Journal of IABSE, published since 1991, is the leading international journal of structural engineering dealing with all types of structures and materials. SEI offers its readers a unique blend of short profiles on recent structures, and longer, in-depth technical articles on research, development, design, construction and maintenance. Articles are written by practicing engineers and academia from around the world and reflect the high standards of IABSE. IABSE Peer Review stamps are given to papers that have passed through a highly selective review process and demonstrate a significant contribution to the state of structural engineering knowledge.To recognise contributions of the highest quality, an Outstanding Paper Award is presented each year.

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