Abstract
This paper investigates the behaviour of damaged steel beams repaired using locally pre-stressed reinforcing steel bars. Regular reinforcing bars are welded to the beam’s web at both ends and then pretensioned using a manual screw jack to increase the effectiveness of the repair. Six beams with different bar diameters and levels of pre-stress were repaired and tested under three-points bending. Results showed that the level of pre-stress controlled the beams’ stiffness, while restoration of their ultimate load-carrying capacity was governed by the bar size. Significantly higher repaired capacities were achieved by this method than by other published methods used for the strengthening of steel beams.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
