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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.
2018-10-22 16:45:40With 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.
2018-10-18 17:31:54There 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.
2020-04-03 11:13:21CFRP 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.
2020-04-03 11:14:58Using 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.
2020-04-03 11:15:58At 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.
2020-04-03 11:16:52Sticking fiber reinforced polymer(FRP) composite strengthening system in the tensile area of concrete structure can effectively improve its bearing capacity and restrain crack propagation.
2020-04-03 11:19:35With 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
2020-04-03 11:17:48With the rapid development of economy and the rapid development of civil engineering, the market demand of FRP materials will be increasing.
2020-04-03 11:21:18A 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)
2020-04-03 11:22:48