2025 Volume 81 Issue 14 Article ID: 24-14011
Adding stiffening steel plates with high strength bolts is generally used to reinforce the load-bearing capacity of steel truss bridges. However, this method causes the cross-section of the steel member to be reduced due to the bolt holes, which increases the amount of reinforcement required. A reinforcement method using carbon fiber reinforced polymer (CFRP), which is stronger, more elastic, lighter, and less corrosive than steel, has been proposed as a potential solution to these problems. If a reinforcement method using CFRP could be applied, it would be a more rational method than reinforcement using steel plates.
In this study, mainly for seismic reinforcement, CFRP sheets were attached to long column specimens that imitated the H-section diagonal members of steel truss bridges to examine the reinforcement effect through cyclic behavior under compression and tension loading tests.
