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Reinforced concrete beams strengthened with CFRP system

There are many researches on the normal section, oblique section bearing capacity, bearing capacity and ductility of the flexural members strengthened by CFRP, and the design and calculation methods can be more mature. However, the above calculation methods are based on the CFRP cloth and concrete bond firmly, CFRP cloth strain reached the allowable strain before peeling failure.

2018-09-29 18:20:33

Bridge strengthening-unidirectional carbon fiber fabric

CFRP fabric to bridge reinforcement is mainly embodied in the following aspects: the reinforcement of bending moment and normal section bearing capacity of shear members; the reinforcement of oblique section bearing capacity; the reinforcement of shear section; the reinforcement of compressive members and so on.

2018-09-29 16:52:28

FRP strengthened frame structure under seismic loading

Using FRP material can effectively enhance the aseismic capacity of frame structure and obviously improve the deformation and failure caused by earthquake. The improvement of structural strength is closely related to reinforcement methods. The results show that the strength of the frame strengthened by N SM method is increased by about 20% compared with the E B method.

2018-09-28 19:11:16

FRP composites in structural reinforcement

At present, the commonly used reinforcement methods in China are mainly FRP composite reinforcement, steel plate bonding, enlarged cross-section and other methods. From the above analysis, FRP composite reinforcement method has obvious advantages, and has good economic benefits, will be widely used in structural engineering.

2018-09-28 18:38:05

Application technology of FRP strengthening

Sticking fiber reinforced polymer(FRP) composite strengthening system in the tensile area of concrete structure can effectively improve its bearing capacity and restrain crack propagation.

2018-09-28 18:13:05

FRP composites in infrastructure and civil engineering

With the development of social economy in China, the scale and quantity of civil engineering projects are increasing. As a new type of material, FRP(fiber reinforced polymer) composites have been widely used in civil construction and infrastructure engineering

2018-09-26 18:19:55

FRP material used in Civil Engineering

With the rapid development of economy and the rapid development of civil engineering, the market demand of FRP materials will be increasing.

2018-09-26 16:46:50

Beams strengthened with fiber reinforced polymer(FRP)

A large number of concrete bridges in China have local or overall damage, which needs to be repaired and strengthened. It is an effective reinforcement method to reinforce damaged concrete bridge with adhesive fiber reinforced polymer(FRP)

2018-09-25 17:44:17

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.

2018-09-19 19:02:22
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