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  • Structural Concrete, Vol. 8, no. 1, December 2007

Structural Concrete, Vol. 7, no. 2, June 2006

Bond clause proposals for FRP-bars/rods in concrete based on CEB/FIP Model Code 90. Part 2: Design lengths and tension stiffening

R. Tepfers, Chalmers University of Technology, Göteborg, Sweden

The bond clauses in the CEB/FIP Model Code 1990 (MC90) were written for steel reinforcement in concrete. Since then, fibre reinforced polymer (FRP) reinforcing bars have been introduced as an alternative. To make use of fibre composites, it is necessary to bring these materials into codes of practice and the easiest way is to adapt the code clauses for steel reinforced concrete to FRP reinforced concrete. Proposals for the design bond stress code clauses have been presented in an earlier paper. This paper covers proposals for the design lengths and tension stiffening code clauses. 

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