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Steel plate net cage reinforced concrete column structure and preparation method

A reinforced concrete column and steel mesh technology, which is applied in building construction, building maintenance, construction, etc., can solve the problems of poor corrosion resistance and durability, changing the shape of the structure, and difficult construction, etc., and achieves convenient and fast construction and enhanced load bearing Strength and ductility, simple construction effect

Inactive Publication Date: 2015-07-15
河北地质大学
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Problems solved by technology

However, such as adding cross-section reinforcement methods and bonded steel reinforcement methods, there are disadvantages such as difficult construction, poor corrosion resistance and durability, change of structural shape, high cost, and increased self-weight; and fiber composites also exhibit poor performance under earthquake loads. The obvious brittleness makes the failure of the component more sudden

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  • Steel plate net cage reinforced concrete column structure and preparation method
  • Steel plate net cage reinforced concrete column structure and preparation method
  • Steel plate net cage reinforced concrete column structure and preparation method

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Embodiment Construction

[0030] The technical solutions of the present invention will be described in further detail below with reference to the drawings and embodiments.

[0031] See attached figure 1 , attached figure 2 And attached image 3 , the structure of the embodiment of the present invention is as follows: it includes an expanded metal 1, the expanded metal 1 is enclosed on the outside of the reinforced concrete column 4, and is bent and overlapped repeatedly on both sides of a certain corner thereof, and the steel plate at the overlapping The mesh 1 is bound and fixed by binding wires 2, and the steel mesh 1 is provided with a high-performance composite mortar layer, and the steel mesh and the high-performance composite mortar layer surround the surface of the reinforced concrete column to form a steel mesh cage. Among them, the configuration method of high-performance composite mortar is: mixing carbon fiber surface glue, Portland cement and medium sand sieved through a 0.25mm sieve to ...

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Abstract

The invention discloses a steel plate net cage reinforced concrete column structure and a preparation method, and belongs to the technical field of building engineering reinforcement. A steel plate net is bound at the outer side of a column plastic hinge area, so that the excellent restraint effect can be provided to concrete, and the early falling of the concrete can be prevented to improve the column ductility. The preparation method comprises the specific operation steps of tailoring of the steel plate net, bending of the steel plate net, mounting of the steel plate net and coating of high-performance mortar. The steel plate net cage reinforced concrete column structure can effectively improve the rotating capacity of the column plastic hinge area, enhance the column ductility and improve the concrete working state.

Description

technical field [0001] The invention relates to a reinforced concrete column structure reinforced with steel plate mesh high-performance composite mortar and a preparation method thereof, belonging to the technical field of construction engineering reinforcement. Background technique [0002] In the field of reinforcement of reinforced concrete columns, the methods of increasing section reinforcement, externally bonded steel (steel plate) reinforcement, anchor-attached steel reinforcement, external fiber composite material reinforcement, and steel wire mesh are widely used. However, such as adding cross-section reinforcement methods and bonded steel reinforcement methods, there are disadvantages such as difficult construction, poor corrosion resistance and durability, change of structural shape, high cost, and increased self-weight; and fiber composites also exhibit poor performance under earthquake loads. The obvious brittleness makes the failure of the component more sudde...

Claims

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Application Information

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IPC IPC(8): E04G23/02
Inventor 解咏平贾磊赵瑞娟
Owner 河北地质大学
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