Strengthening of Brick Infilled R/C Frames With CFRP Reinforcement

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International Institute for FRP in Construction (IIFC)

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Intensive experimental research carried out for decades showed that strengthening of reinforced concrete (R/C) frames by introducing R/C infills to the selected bays in both directions is an effective method for the rehabilitation of damaged structures. This procedure, however, requires evacuation of the building for several months; therefore its applicability in the rehabilitation of the existing structures, which are currently in use, is neither feasible nor practical. Observations of poor building performance after the recent earthquakes in Turkey and elsewhere and the presence of enormous size of the available building stocks necessitate an urgent need for the development of innovative strengthening techniques, which would not interrupt the use of the building during rehabilitation. An experimental study was initiated at the METU Structural Mechanics Laboratory, which aimed to develop such strengthening techniques. In this study, it was intended to convert the non-load bearing existing masonry walls and partitions into structural elements which would form a new lateral load resisting system by strengthening them with CFRP fabrics and integrating them with the existing structural system. In this context, six 1/3 scaled 2-story 1-bay reinforced concrete frames were tested. The frame of the test specimens was detailed to include the common deficiencies of the structures in Turkey. The height/width ratio of the infills, arrangement of the CFRP layers and the amount of CFRP used, the anchorage of CFRP fabric to the wall and the frame elements were the major parameters investigated. This paper summarizes the tests carried out to develop an efficient strengthening method for existing structures by the application of CFRP fabrics to the hollow clay tile infills.


ACI;Asian Concrete Federation (ACF);CSCE CGC;et al.;I Hanyang University;International Institute for FRP in Construction (IIFC)
2nd Asia-Pacific Conference on FRP in Structures, APFIS 2009 -- 9 December 2009 through 11 December 2009 -- 155361

Anahtar Kelimeler

FRP, Infill wall, Reinforced Concrete, Strengthening


Apfis 2009 - Asia-pacific Conference on Frp in Structures

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Özcebe, G., Akın, E., (2009). Strengthening of Brick Infilled R/C Frames With CFRP Reinforcement. Apfis 2009 - Asia-pacific Conference on Frp in Structures, 169-178.