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Strengthening of columns using FRP composite
The bond surface between FRP composite and concrete structure is a weak link in reinforcement. Orthogonal test can be used to determine several characteristic values of bond surface with high durability.
2018-09-03 16:39:52
Carbon fiber fabric strengthening pull-out test
Normal carbon fiber fabric pull-out test tensile strength > 2.5 MPa, greater than this data is recognized as the carbon fiber fabric test qualified!
2020-04-02 16:48:26
How to pull out the planting rebar
Planting rebar technology is an important branch of Post-Anchorage technology. By drilling, gluing epoxy anchoring adhesive and planting reinforcement on the original concrete structure, the new members are joined together with the original concrete base material.
2018-08-28 18:00:42
CFRP confined reinforced concrete columns
Carbon fiber reinforced polymer (CFRP) fabric has been widely used in the field of structural reinforcement because of its excellent physical and mechanical properties, good adhesion, and easy cutting.
2020-04-02 16:50:10
Failure mode of RC columns strengthened with FRP
Wrapping carbon fiber reinforced polymer(FRP) fabric can improve the shear capacity of concrete columns, change their failure modes and improve their ductility.
2020-04-02 16:53:16
Analysis of cracks in beams strengthened with carbon fiber
The crack width and the crack spacing of the beams strengthened with carbon fiber fabric are significantly reduced compared with those of the unreinforced beams.
2020-04-02 16:53:37
Thickness of fire retardant coating after FRP strengthening
In order to improve the fire resistance of concrete beams and slabs strengthened with carbon fiber fabric, a thick coated fire retardant coating is selected as the protective layer.
2018-08-23 17:52:18
Can anchorage devices affect CFRP reinforcement?
The shear capacity of reinforced concrete T-beam strengthened with CFRP sheet can be significantly improved by anchorage device, and the shear effect (relative control beam) of the strengthened beam can be increased from 21.16% of U-shaped stirrups to 92.55%.
2018-08-23 17:09:59
The bearing capacity of beam is insufficient, how to reinforce
What are the commonly used structural reinforcement methods when the beam bearing capacity is insufficient? bonded carbon fiber fabric, bonded steel plate, enlarged section.
2020-04-01 16:43:27
Strengthening methods for reinforced concrete(RC) colum
There are many reinforcement methods of reinforced concrete column, such as enlarging section method, enclosing steel reinforcement method, prestressed strut reinforcement method, displacement method, carbon fiber reinforcement method, etc.
2020-04-01 16:45:13