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Some bridge companies have turned to carbon fiber for their non-corrosive and high-strength qualities. Carbon fiber is 10 times stronger than steel and resistant to the corrosive effects of oxygen, water and chemicals, so it is used to build and repair more bridges.
2020-03-17 16:55:47Horse Construction's carbon fiber reinforcement system was selected for upgrade due to its powerful features. Carbon fiber was installed on multiple concrete walls of the building, which successfully improved the shear and bending resistance of the wall.
2020-03-17 13:05:58Three prestressed carbon fiber laminate are arranged at the bottom of each beam, and three T-beams are strengthened by bending; 4) Partially damaged diaphragms are reinforced with the sticky steel plate method.
2020-03-13 17:18:32Everyone is familiar with the advantages of CFRP retrofitting. It has the characteristics of saving space, simple construction, easy construction quality assurance, basically no increase in structural size and weight, corrosion resistance, good durability and so on.
2020-03-10 16:41:39That is, the effective sticking cross-sectional area is 66% of the actual sticking cross-sectional area, and the loss is about 34%. In theory, the effect of applying 4 layers of carbon cloth is about equal to the actual use of 2.64 layers of carbon cloth (without considering other factors, only the thickness reduction factor ). If 5 or more layers are pasted, it is worth our attention for material waste.
2020-03-06 17:44:41Why should we choose polyacrylonitrile base for carbon fiber used for load-bearing structure reinforcement?
2020-03-06 16:56:17Carbon fiber fabric has poor bonding strength with concrete?
2020-03-02 15:26:27Application of carbon fiber sheet in hydraulic engineering
2020-02-18 17:32:04Discussion on Carbon Fiber Wrap in Bridge t should be noted that carbon fiber reinforcement not only needs to pay attention to anchoring, but also needs to pay attention to the issue of dosage. First of all, the carbon fiber cloth has high strength, and excessive use will cause waste of materials. Secondly, the arbitrary use of carbon fiber cloth will reduce the ductility of concrete and affect the failure form of flexural members. The tensile failure of the carbon fiber cloth is transformed into sudden col
2020-02-18 16:48:15The carbon fiber wrap is bonded to the surface of the concrete member with a high-performance epoxy-based adhesive, and the cement material is used as a shear connection medium between them to form a new composite body, so that the reinforcing patch and the original steel bar work together.
2020-02-14 18:33:56