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Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .
Exploitable results
Research was carried out in order to acquire fundamental knowledge and know-how on fibre reinforced plastics (FRP) application in civil engineering structures. The research involved the development of glass fibre reinforced plastics (GFRP), aramid fibre reinforced plastics (AFRP) and carbon fibre reinforced plastics (CFRP). AFRP wires and CFRP wires with excellent mechanical properties were developed. The GFRP-rods represent a very suitable composite for tendons, structural ties and so on, for all such applications where the immediate contact of composite with alkaline aqueous fluids can be obviated. The DYWIDUR-system (GFRP) has been developed and first applications as rock nail in underground construction in Germany and Norway have shown the potential of the system. Because of the lack of experimental investigations of common FRP, the university partners were especially involved in materials research and testing. Different research programmes were conducted to study the materials behaviour of FRP and the structural behaviour of concrete elements reinforced or prestressed with FRP. A complete set of internal test standards were developed which may justifiedly serve as basis for internationally acknowledged test standards. The development of tendons, structural ties, stay cables and so on using CFRP received a strong input. Development of tendon-anchorage assemblies for CFRP was performed on basis of extensive theoretical and experimental studies. AFRP-tendons and anchorages were also developed and are available today for several admissible prestressing forces. Several applications proved the suitability of the system.
Extensive research and development work was performed to study the behaviour and performance of fibre reinforced polymer (FRP) as well as the structural behaviour of concrete elements reinforced or prestressed with FRP reinforcement. Several FRP materials were developed and preselected for application in concrete through comprehensive materials research. As result of the project, several forms of application with these FRPs are possible. Pilot applications proved the market chances.
Details of research and results are:
The DYWIDUR-system with the GFRP-bar has been developed. First applications as rock nail in underground constructions have shown the potential;
The marketing of CFRP (CARBON STRESS) for tendons, stay cables and anchors is being rigorously pursued;
The successful completion of the project resulted in a virtually immediate payback. There will be valuable benefits for the European construction industry and activities world-wide.
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