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Application of direct reinforcement method for concrete

The direct reinforcement method:Enlargement section method; Displacement concrete method; Prestressed strengthening method; Externally bonded steel plate; Pasting steel plate method; Externally bonded FRP wrap

bonding steel plate for strengthening.jpg


Enlargement section method of the beam


FRP wrap for concrete strengthening


Structrual strengthening methodsEnlargement section method

Displacement concrete method

Prestressed strengthening method

Externally bonded steel plate

Pasting steel plate method

Externally bonded FRP wrap

Load properties of reinforced concrete components

Flexural reinforcement


Compression reinforcement

Flexural reinforcement


Compression reinforcement

Flexural reinforcement


Compression reinforcement


Tensile reinforcement


Shear reinforcement

Flexural reinforcement


Compression reinforcement

Large bias reinforcement


Compression reinforcement


Tensile reinforcement

Flexural reinforcement


Compression reinforcement


Tensile reinforcement


Shear reinforcement

Environmental conditions

Unlimited

Unlimited

Temperature is less than 60 degrees centigrade

Temperature is less than 60 degrees centigrade

Temperature is less than 60 degrees centigrade

Temperature is less than 60 degrees centigrad

Minimum strength grade

C10UnlimitedC30UnlimitedC15C15

Durability

Very nice

Very nice

Very nice

It needs to be maintained regularly

It needs to be maintained regularly

Very nice

Construction characteristics

Wet operation, long period

Wet operation, long period

High technical difficulty and short period

Short period

Dry work, short cycle

Dry work, short cycle

The influence of the appearance after reinforcement

Occupancy space

Possible use of space

Basically do not use space

Possible use of space

No space for use

No space for use


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