Reinforcing device of concrete beam and construction method thereof

Abstract

The invention provides a reinforcing device of a concrete beam. The reinforcing device of the concrete beam comprises a steel groove body, inner distance rings and studs. The steel groove body is of the structure with the upper surface provided with an opening. The concrete beam can be sleeved with the steel groove body. An interlayer is arranged between the steel groove body and the concrete beam. The two sides of the long axis of the upper surface of the steel groove body respectively extend horizontally and outwards to form an upper wing platform. The studs are fixedly arranged on the upper wing platforms at intervals respectively. The inner distance rings are fixedly arranged on a groove defined by the side faces and the bottom face of the steel groove body at intervals. The steel groove body, the concrete beam and a grout blanket are fixedly connected together through the inner distance rings and the studs, so that the bending bearing performance and the shearing bearing performance of the concrete beam are improved, the grouting bracket is effectively prevented from shedding, and the long-term reinforcing effect is guaranteed. The invention further provides a construction method of the reinforcing device, and effective application of the reinforcing device is guaranteed.

Description

technical field [0001] The invention relates to a reinforcement device of a building structure and a construction method thereof, in particular to a reinforcement device of a concrete beam and a construction method thereof. Background technique [0002] Fires, earthquakes and other disasters will cause different degrees of damage to reinforced concrete structures, but most reinforced concrete structures can still be used normally after reinforcement and repair, thereby exerting huge economic benefits. The repair and reinforcement of concrete structures is of great significance. At present, the reinforcement methods of concrete beams mainly include: increasing section method, external fiber cloth method, external steel plate method, outsourcing angle steel method, outsourcing steel mesh fine stone concrete method, external prestressing method, etc. The above-mentioned traditional reinforcement methods generally have the following problems: (1) For concrete beams with surface...

AI Technical Summary

Problems solved by technology

The above-mentioned traditional reinforcement methods generally have the following problems: (1) For concrete beams with surface damage, it is usually necessary to repair the remaining beam sections with grouting materials or fine stone concrete for the remaining beam sections that have been chiseled to remove the severely damaged concrete, and then outsource Fiber cloth, angle steel, reinforced mesh fine stone concrete, or external prestressing are applied for reinforcement. There is a hidden danger that the surface repair material is easy to fall off under the combined action of long-term load and external environment, which greatly affects the long-term reinforcement effect.

(2) Brittle peeling damage is prone to occur between the external reinforcement material and the surface of the repaired concrete beam

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