The Damage Defecting and Reinforcement of a Post-fire Continuous Beam Bridge

摘要

With the constantly construction of highways, highway bridges were suffered fire disasters increasingly. After suffering from fires, the load-bearing capacity, usability and operation safety of the bridge will be affected. In this paper, the detection method of concrete and damaged rebar of a post-fire highway flyover was introduced. According to the detection result, a situation analysis of the extent of the damaged performance of the box beam bridge structure is carried out, so as to work out a repair and reinforcement plan.