NEHRP Clearinghouse
- Title
- Design Aid for Shear Strengthening of Reinforced Concrete T-Joints Using Carbon Fiber Reinforced Plastic Composites. Earthquake Research Program.
- File
- PB98158504.pdf
- Author(s)
- Gergely, I.; Pantelides, C. P.
- Source
- National Science Foundation, Arlington, VA.; Federal Highway Administration, Washington, DC.; Utah Dept. of Transportation, Salt Lake City.; Idaho National Engineering and Environmental Lab., Idaho Falls., July 13, 1998, 204 p.
- Identifying Number(s)
- UUCE-98-02
- Abstract
- The research presented in the present work focuses on the shear strengthening of beam column joints using carbon fiber composites, a material considered in seismic retrofit in recent years more than any other new material. The design and field application research on reinforced concrete cap beam-column joints includes analytical investigations using pushover analysis; design of carbon fiber layout, experimental tests and field applications. Several beam column joints have been tested recently with design variables as the type of composite system fiber orientation and the width of carbon fiber sheets. The surface preparation has been found to be critical for the bond between concrete and composite material, which is the most important factor in joint shear strengthening. The final goal of this research is to develop design aids for retrofitting reinforced concrete beam column joints.
- Keywords
- ; Seismic design; Carbon fiber reinforced plastics; Beams (Supports); Columns (Supports); Retrofitting; Joints (Junctions); Composite materials; Highway bridges