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FRP strengthening or steel plate reinforcement
In structural reinforcement, FRP composite strengthening and steel plate strengthening are two commonly used methods in concrete structures. In the selection of reinforcement schemes, the two methods often appear simultaneously. From the point of view of the mechanism of action, the two reinforcement methods are formed by structural adhesive and concrete base material as a whole, and the two methods are similar in construction technology, often causing certain obstacles to the choice of methods.
2018-09-19 19:26:48
Why wrap carbon fiber fabric?
Carbon fiber wrapping, at present the main reason is "carbon fiber heat" or can be said to be "carbon fiber line heat", do not say how the performance of the first, simply coated words, mainly forced high. Secondly, the combination of carbon fiber fabric and resin has a certain strength and hardness, and has a certain significance of protection.
2020-04-03 10:54:04
Problems of steel jacketing in concrete reinforcement
External bonding steel plate or steel jacketing reinforcement method is a kind of reinforcement method of wrapping steel around reinforced concrete beams and columns. Steel jacketing reinforcement method can greatly improve the bearing capacity of the original member on the basis of increasing the section size of few members.
2018-09-17 16:47:06
Concrete column strengthening method with different stress
In fact, in addition to the different modes of stress, the selection of concrete column reinforcement scheme is related to multiple factors. The scheme selection should also take into account the specific characteristics, technical and economic conditions of the original structure.
2020-04-03 10:58:17
RC beams strengthened with prestressed FRP plates
The application of prestressed fiber reinforced polymer (FRP) plates to the reinforcement and repair of civil structures can improve the engineering efficiency and the stress state of members.
2018-09-12 18:44:06
Beams Strengthened with Prestressed CFRP Strip
Reinforcement of reinforced concrete members with embedded prestressed FRP plates can significantly improve the mechanical properties of reinforced concrete members, and its mechanism and effect are similar to that of external prestressed FRP plates.
2018-09-12 17:52:05
Two layer CFRP reinforcement
Compared with single-layer CFRP, double-layer CFRP bears higher tensile stress, so it needs higher performance colloid to ensure the overall force.
2018-09-12 16:36:21
Structural strengthening, these are the key points!
Structural strengthening, these are the key points! Foundation treatment, bond steel plate reinforcement, rebar anchorage, carbon fiber fabric reinforcement, crack repair
2020-04-03 11:00:56
Bearing capacity reinforcement and seismic strengthening
Structural strengthening can not only improve the bearing capacity and durability of the structure, but also improve the seismic capacity. So can it be considered that conventional structural strengthening can simultaneously enhance the bearing capacity and seismic capacity, the two can be treated the same?
2018-09-11 17:02:41
Why use small PAN tow fiber for structural reinforcement?
The tensile strength of the tow is very stable, the dispersion is small, and the coefficient of variation is below 5%. It is easy to control the performance and quality of the tow effectively in the process of production and use.
2020-04-03 11:01:37