Design and evaluation of a wedge-type anchor for fibre reinforced polymer tendons

• Published in: Canadian journal of civil engineering Vol. 27; no. 5; pp. 985 - 992
• Main Authors: Campbell, T I, Shrive, N G, Soudki, K A, Al-Mayah, A, Keatley, J P, Reda, M M
• Format: Journal Article
• Language: English
• Published: Ottawa, Canada NRC Research Press 01.10.2000; Canadian Science Publishing NRC Research Press
• Subjects: Bridges; Designs plans etc; Fiber reinforced plastics; Polymers; Safety measures; Stress (Engineering)
• ISSN: 0315-1468; 1208-6029
• DOI: 10.1139/l00-048

The development of a wedge-type anchorage system for fibre reinforced polymer (FRP) tendons, as part of an overall corrosion-free post-tensioning system, is outlined in this paper. A stainless steel anchor is described, and results from numerical models and load tests to evaluate its behaviour under loads from anchor set, as well as static and repeated tendon tension, are presented. An alternative wedge-type anchorage system made from ultra-high performance concrete is also described. It is shown that, although significant progress has been made in development of the anchorage, further work is required to make it more robust.Key words: FRP tendons, post-tensioning, anchorage, corrosion-free, mathematical models, load tests, concrete.