FRP Composites in Civil Engineering - CICE 2004: Proceedings by R. Seracino

By R. Seracino

The diversity of fibre-reinforced polymer (FRP) purposes in new building, and within the retrofitting of current civil engineering infrastructure, is continuous to develop around the world. in addition, this development is being matched by advancing learn into all points of research and layout. the second one overseas convention on FRP Composites in Civil Engineering (CICE 2004) supplied a global discussion board for the clinical neighborhood to switch rules and increase destiny instructions during this swiftly constructing box. The papers incorporated in those complaints conceal quite a lot of FRP purposes in civil engineering and symbolize the contributions from 9 keynote audio system, 4 invited audio system and over a hundred contributed papers, from over twenty nations.

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Additional resources for FRP Composites in Civil Engineering - CICE 2004: Proceedings of the 2nd International Conference on FRP Composites in Civil Engineering - CICE 2004, 8-10 December 2004, Adelaide, Australia

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Attaching MF-FRP strip to T-beams. for military purposes. The T-beam dimensions and steel reinforcement levels were taken to represent typical T-beam bridge girders constructed in the US in the 1960s. All beams had the FRP strips fastened with Hilti XALH powder actuated fasteners (47 or 52 mm long) in two rows 51 mm apart and spaced at 51 mm along the entire length. All strips and holes were predrilled. The strips were attached from the underside of the beams as shown in Figure 10 to simulate field conditions.

Another potential problem using CFRP composites is the large differential coefficient of thermal expansion between the steel and the FRP composite when in a situation of temperature fluctuations. The strengths of these rehabilitation systems for concrete, steel, timber and masonry structural members are associated with the favourable intrinsic properties possessed by the CFRP material such as, high specific strength, good corrosion resistance and magnetic neutrality, and they have proved advantageous over other upgrading materials.

All beams with pre-drilled fasteners failed in a ductile manner, in which the tensile steel yielded first and then the concrete crushed with the strip still attached. Continued application of the load following the crushing of the concrete eventually caused the FRP strip to detach, either from the interior of the beam or from the end. Cover failure also occurred in some cases, however the strip still remained attached to the beam as shown in Figure 3. 5-4-Y-AL47D, was reinforced with a 102 mm wide hybrid FRP strip, with 2 rows of Hilti X-ALH 47 fasteners (with neoprene backed washers and pre-drilled holes) at 51 mm spacing along the entire length of the strip.

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