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How to strengthening the opening of beam
If it is determined that only part of the main reinforcement is broken, then it can be strengthened by bonding carbon fiber cloth or steel plate. Specific parameters of carbon cloth and steel plate need to be calculated by professional design institute. However, it should be noted that the earlier the reinforcement is, the more advantageous it is for the structure to bear force
2020-01-09 12:52
Stress Analysis of Bridges Strengthened with CFRP
Bridge belongs to a long-span structure, and the environment is relatively bad. Which method to maintain the bridge has become a difficult problem. After the research and development of science and technology, a new kind of material for bridge reinforcement - carbon fiber composite has emerged.
2020-01-09 12:56
New technology of highway and bridge reinforcement
They are mainly some special reinforcement measures formed through the innovation of materials and construction methods. The main reinforcement measures are composite reinforcement technology (FRP).
2020-01-09 13:07
CFRP fabric, good choice for bridge reinforcement
The carbon fiber fabric(CFRP) reinforcement and repairing concrete structure is a newly developed reinforcement technology in recent years. It has many advantages such as simple construction, strong adaptability and chemical corrosion resistance. It has been applied in bridge engineering.
2020-01-09 13:11
Shear Strengthening of Beams with Carbon Fiber Wrap
For the reinforcement of beams with normal sections, the time delay of bending failure decreases greatly, but it is still more ductile than shear failure. Therefore, the shear failure of CFRP strengthened beams should be avoided.
2020-01-09 13:15
Why choose Prestressed CFRP plate for strengthening
In recent years, the application of pre-stressed carbon plate reinforcement technology to long-span bridge structures has achieved good reinforcement results. As a vigorous promoter of pre-stressed carbon plate reinforcement technology, Shanghai Horse Construction has successfully applied this technology on many domestic high-speed bridges in recent years.
2020-01-09 13:31
Best steps in the steel plate bonding process
Bonded steel plate reinforcement method is a kind of reinforcement method, which uses high-strength building structural adhesive to bond the steel plate to the surface of the component, so as to improve the bearing capacity of the component.
2020-01-11 05:16
Six FRP advantages for contractors and structure owners
Compared to other reinforcement methods, FRP strengthening is a A new typse of advanced composite reinforcement method for structural and building strengthening. FRP strengthening has many excellent features for contractors and owners.
2020-01-11 05:28
Structural bonded steel plate reinforcement
Bonded steel reinforcement method is safe, reliable, easy to construct, can not only reinforce and strengthen, but also increase the stiffness. It can greatly increase its bearing capacity and stiffness, and enhance its ductility.
2020-01-11 05:30
Injection anchoring adhesive for rebar anchoring in concrete
The anchorage of the planted steel bar is reliable, and the anchorage performance requirement of the specification can be achieved. Simple technology, easy operation, short construction period, easy to ensure construction quality, good water and medium resistance。
2020-01-11 05:43
Comparison of anchoring methods for CFRP strengthening
Carbon fiber U stirrup in construction than the other anchoring method is much more convenient, light weight, corrosion resistance, anchorage range, wide application scope, anchoring method most commonly used carbon fiber U shaped carbon fiber reinforced hoop is still in.
2020-01-11 06:04Carbon fiber reinforced wrap for concrete strengthening
Comparing various reinforcement schemes, all parties agree that the method of carbon fiber reinforced polymer(CFRP) wrap bonding is the most appropriate. From the actual use of the situation, the results are good.
2020-01-11 06:29
Masonry structure strengthened with carbon fiber fabric
Standard construction flow chart and practice of masonry structure strengthened with carbon fiber reinforced polymer(CFRP) sheet
2020-01-11 06:38
Carbon fiber wrap reinforced masonry structure
On the basis of introducing the peeling failure analysis theory of carbon fiber wrap reinforced concrete flexural members, the peeling failure modes of CFRP(carbon fiber wrap) reinforced masonry structures are discussed.
2020-01-11 06:40
New anchorage method using carbon fiber for bridges
When CFRP is used to reinforce beams, if CFRP is not fixed, the glue will break off, and the tensile force of CFRP is only half of its tensile capacity. After anchoring with
2020-01-11 07:03
Structural bonding ahesive and structural strengthening system
Building structural adhesives synthesize the achievements of advanced technologies such as chemistry, mechanics, materials, structure and photoelectric measurement. They are applied to the reinforcement of building structure by bonding steel, anchor bolt planting steel bar and site pouring construction, showing their outstanding advantages and importance.
2020-01-11 07:26
Steel jacketing of the column
With the increase of service years of buildings, the durability of columns decreases and the strength and stiffness of columns are insufficient due to the defects or the constant changes of load and environment. The failure of concrete columns is sudden and easy to cause accidents. Today, we talk more about steel jacketing of the column by perfusion adhesive.
2020-01-11 07:37
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.
2020-01-11 07:39
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.
2020-01-11 07:51
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.
2020-01-11 08:53