Analytical behaviour of FRP strengthened reinforced concrete beams under low velocity impact load incorporating rate dependant material constitutive models

Since the 1980s, the use of fibre reinforced polymer (FRP) composites in strengthening and rehabilitation of existing reinforced and pre-stressed structures has gained popularity. Versatility, high strength to weight ratio, corrosion resistance, excellent creep and fatigue behaviour, and ease of installation are amongst some of the advantages offered by externally bonded FRP systems over traditional strengthening methods. In addition to strengthening for static loading, there are many scenarios where strengthening is required to elements subjected to dynamic loads. The static behaviour of FRP strengthened RC beams has been the subject of extensive research. However, the dynamic behaviour of FRP strengthened RC beam elements remains unclear. Limited experimental studies are available that are focused on the response of FRP strengthened RC beams subjected to low velocity impact events. Furthermore, many of the Finite Element (FE) analysis models developed in these studies yielded results that were inconsistent with the test data. Key shortcomings of these models relate to a lack of definition of the FRP-concrete bond interface and considering rate dependent material behaviour.

Grantor dc:publisher.institution

Department of Civil Engineering

Year dc:date.issued

2014

Author dc:creator

• Ruiters, Alton

Advisor dc:contributor.advisor

• Moyo, Pilate

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/11427/9078

OAI identifier oai:identifier

oai:open.uct.ac.za:11427/9078