Frame structure is a common structural form of construction. With the increase of service life or the influence of external factors, the strength of the whole structure may be reduced, and it is urgently needed to be strengthened.
(1) the axial compression ratio of the frame column is more than the specification, wrapping carbon fiber fabric on the column to increase the lateral constraint of the column concrete and improve the deformation performance of the member under the action of the earthquake load.
(2) the reinforced concrete can be wrapped around the original column according to the actual conditions and construction conditions, so as to enhance the bearing capacity of the regional frame columns.
(3) retain the original structural column, wrap the steel skeleton around the column, and pour in the structural adhesive between the two, then reinforce the steel mesh with the strengthened steel mortar.
(1) bonding steel plate with structural adhesive to reinforce the frame beams and putting mud on the surface of the steel plates.
(2) for the beams with end stirrups that do not meet the specifications, the U type carbon fiber cloth can be pasted at the end of the beam to improve the shear capacity.
(3) non structural vertical cracks were treated with structural adhesive perfusion and pressurized closure.
(4) carry out the rust prevention treatment of steel bar, penetrate into the reinforcing steel bar, insert U - shaped stirrups, install shear steel brackets and use bolted bolts to fix them.
Part of the old independent foundation can be partly retained, the length, width and height should be increased, and the concrete cushion should be widened. After that, the original foundation was reinforced with rust inhibitor and the old concrete interface adhesive was repainted.
The main reinforcement of the pier and the reinforcement of the pier should be placed around the column. The new concrete should be painted to refresh the old concrete interface glue. After pouring concrete, supporting die, stripping, curing and pouring concrete; and maintenance of the model.
Carbon fiber cloth is used to reinforce the original floor panels and roof panels, and the floor reinforcement is treated with steel bar.
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HM-20 est un tissu de fibre de carbone unidirectionnelle. Lorsque mis en place par superposition d’épaisseurs du tissu sur la résine d’imprégnation époxyde HM-180C3P, il forme un système de renforcement composite.
Lamelles en fibres de carbone est une lamelle de composite polymère extrudé par tirage et renforcé de fibres de carbone (CPFC), destiné au renforcement des structures de béton, de bois et de maçonnerie.
Adhésif de renforcement structurel époxy modifié à deux composants pour la plaque d'acier collée au béton
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