Concrete beam strengthening

Concrete beams and boards are designed for concrete strength C30. After using rebound method and core drilling method to test and evaluate the concrete compressive strength of concrete beams and plates, the volume strength of concrete in the first layer of beam and board is 20.3MPa, which is not satisfied with the design requirements, and the beam is reinforced with fiber reinfroced polymer(FRP) composite.

The concrete strength of the concrete beam and board of the school canteen is C30. The concrete compressive strength of the concrete beam and board concrete is evaluated by the rebound method and the core drilling method. The volume strength of the concrete in the first floor of the beam and board is 20.1MPa, which is not satisfied with the design requirements, and the structure of beam is reinforced fiber reinfroced polymer(FRP) composite.

Structural strengthening materials:

200g carbon fiber fabric

carbon fiber primer

carbon fiber leveling adhesive

carbon fiber adhesive