A corner plate positioning device for column main reinforcement and a column main reinforcement positioning structure

Abstract

The utility model discloses a corner steel plate positioning device of column main reinforcement and column main reinforcement positioning structure. It includes the steel plate body of L type, and the steel plate body includes two mutually perpendicular steel plate edge sections and the gap area of setting in the steel plate edge section between, and the gap area is the open structure for limiting column main reinforcement edge, and every steel plate edge section all is equipped with the positioning gap for with floor bottom die edge alignment, and the positioning gap is located on the inside edge, and the column main reinforcement positioning structure includes floor bottom die and the column reinforcement of vertical through floor bottom die side gap, and the column reinforcement includes the column main reinforcement in four corners, and the edge of floor bottom die is aligned with the positioning gap of steel plate body, and the column main reinforcement is located in the edge of gap area of steel plate body by pressure positioning. Advantages are: through the guiding effect of the gap structure and the positioning gap of matching with column main reinforcement, can realize the quick, accurate positioning of main reinforcement at the column angle, has simplified the construction process, has improved the positioning accuracy, has improved construction efficiency and construction quality.

Description

Technical Field

[0001] This utility model relates to a positioning structure for column main reinforcement, and more particularly to a corner steel plate positioning device and a column main reinforcement positioning structure. Background Technology

[0002] With the continuous development of the construction industry, people are paying increasing attention to building safety. As the skeleton of the entire building, the accuracy of the concrete cover thickness of reinforcing steel directly affects structural safety. Deviations in the concrete cover thickness will lead to accelerated carbonization of the steel due to irreparable defects. In traditional construction processes, column reinforcing steel is prone to misalignment, which is typically controlled using concrete cover spacers and diagonal braces—a time-consuming, labor-intensive, and ineffective method. To reduce costs and increase efficiency, the concrete cover spacers are installed attached to the column stirrups. However, the binding of the frame column reinforcing steel can easily cause the concrete cover spacers to fall off. Furthermore, the vibration of concrete significantly disturbs the reinforcing steel, causing abnormal displacement and potentially leading to overall misalignment of the column reinforcing steel. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide an angle steel plate positioning device and a column main reinforcement positioning structure for assisting in the positioning of column main reinforcement.

[0004] To solve the above-mentioned technical problems, the corner steel plate positioning device and column main reinforcement positioning structure of this utility model include an L-shaped steel plate body. The steel plate body includes two mutually perpendicular steel plate segments and a notch area set between the steel plate segments. The notch area is an opening structure for limiting the edge of the column main reinforcement. Each steel plate segment is provided with a positioning notch for aligning with the edge of the floor slab bottom formwork. The positioning notch is located on the inner edge.

[0005] The notch area is an equilateral right-angled V-shaped cut opening, with the apex of the opening extending toward the center of the steel plate body.

[0006] The steel plate body is made of thick galvanized steel plate or stainless steel plate, and the thickness of the steel plate body ranges from 0.8mm to 1.5mm.

[0007] The side length of the notched area ranges from 30mm to 40mm.

[0008] The side length of the positioning notch ranges from 2mm to 3mm.

[0009] The length of the steel plate edge section is at least equal to the thickness of the column main reinforcement protective layer plus 70mm.

[0010] The steel plate has nail holes on its edge section for fixing.

[0011] A corner steel plate positioning device using column main reinforcement includes a floor slab bottom formwork and column reinforcement that vertically passes through the side notch of the floor slab bottom formwork. The column reinforcement includes column main reinforcement located at the four corners. The edge of the floor slab bottom formwork is aligned with the positioning notch of the steel plate body, and the column main reinforcement is pressed and positioned against the edge of the notch area of ​​the steel plate body.

[0012] Advantages of this utility model: (1) Through the notch structure matching the main reinforcement of the column and the guiding effect of the positioning notch, the main reinforcement can be quickly and accurately positioned at the corner of the column, which simplifies the construction process, improves the positioning accuracy, and improves the construction efficiency and construction quality. (2) The L-shaped steel plate design takes into account both the thickness of the protective layer and the operating space for fixing nails, and is suitable for various column and beam structure connection forms, with high applicability; (3) The steel plate edge section is provided with nail holes, which makes it easy to fix it firmly to the outside of the template and prevent it from shifting during construction. After use, it can be reused by removing the nails of the fixing positioning card. Galvanized steel plate or stainless steel material is selected, which has good durability and reuse value, saving construction costs. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the corner steel plate positioning device for the main reinforcement of the column according to this utility model; Figure 2 This is a schematic diagram of the column main reinforcement positioning structure of this utility model. Detailed Implementation

[0014] The following description, in conjunction with the accompanying drawings and specific embodiments, provides a more detailed explanation of the column reinforcement and column main reinforcement positioning structure of this utility model using an angled steel plate positioning device. Example

[0015] The corner steel plate positioning device for column main reinforcement of this utility model includes an L-shaped steel plate body for assisting in the positioning of column main reinforcement. The steel plate body is made of thick galvanized steel plate or stainless steel plate, and the thickness of the steel plate body ranges from 0.8mm to 1.5mm. The steel plate body includes two mutually perpendicular steel plate segments 1 and a notch area 2 set between the steel plate segments 1. The length of the steel plate segment 1 is at least equal to the thickness of the column main reinforcement protective layer plus 70mm. The notch area 2 is an opening structure for limiting the edge of the column main reinforcement. The notch area 2 is an equilateral right-angled V-shaped cut opening, and the side length of the notch area 2 ranges from 30mm to 40mm. The apex of the opening extends towards the center of the steel plate body; each steel plate edge segment 1 is provided with a positioning notch 3 for aligning with the edge of the floor slab bottom formwork 4. The positioning notch 3 is located on the inner edge, and the side length of the positioning notch 3 ranges from 2mm to 3mm; the steel plate edge segment 1 is provided with nail holes for fixing; the column main reinforcement positioning structure of the corner steel plate positioning device using column main reinforcement includes the floor slab bottom formwork 4 and column reinforcement that vertically passes through the side notch of the floor slab bottom formwork 4. The column reinforcement includes column main reinforcement 5 located at the four corners. The edge of the floor slab bottom formwork 4 is aligned with the positioning notch 3 of the steel plate body, and the column main reinforcement 5 is pressed and positioned against the edge of the notch area 2 of the steel plate body.

[0016] Operation process: Installation of floor slab bottom formwork → Binding and positioning of beam reinforcement → Installation of corner steel plate positioning device → Binding of floor slab reinforcement → Pouring concrete → Laying out and checking column reinforcement position → Removal of bottom formwork and removal of positioning clips. Key points of operation: (1) Installation of floor slab bottom formwork Erect the floor slab bottom formwork support frame according to the construction drawings and technical specifications, place the beam bottom formwork, and use a plumb line to correct the position of the beam bottom formwork. After the beam bottom formwork is fixed in position, install the flat formwork, followed by the beam side formwork, paying close attention to the squareness and position of the formwork in the beam-column joint area.

[0017] (2) The beam reinforcement is tied and placed. The beam reinforcement is tied using the external beam reinforcement tying method, which involves suspending and tying the beam reinforcement on the top surface of the floor slab beam formwork. A tower crane is used to place the beam reinforcement. In this process, it is important to ensure that the column reinforcement is symmetrically distributed relative to the beam reinforcement when the beam reinforcement passes through the column reinforcement. When the beam and column are flush, the beam reinforcement must give way to the column reinforcement to ensure the thickness of the protective layer of the reinforcement on the outer side of the column.

[0018] (3) Install the corner steel plate positioning device Correct the column reinforcement position and install the corner steel plate positioning device on the four corners of the column opening. Make sure the positioning notch on the positioning card is aligned with the edge of the column opening formwork, and nail at least one nail on each side. For cases where the beam and column are flush, the column opening line should be marked on the side without a column corner by laying out a line to facilitate the installation of the positioning card. In this case, the positioning card can only be nailed on one side, and there should be no less than two nails. To facilitate the removal of the nails after the floor slab bottom formwork is removed, the nails should be driven in straight and not bent. Ordinary round steel nails are difficult to drive into 1mm thick steel plates, so steel nails can be used for nailing, or holes can be punched with steel nails and then nailed with ordinary round steel nails. When nailing the positioning card, attach a single-sided foam strip to the bottom to raise it so that the positioning card is not exposed on the bottom of the slab.

[0019] (4) Tying floor slab reinforcement First, tie the bottom reinforcement of the floor slab, then lay the water and electricity pre-embedded pipes, and finally tie the top reinforcement of the slab. After the top reinforcement of the slab is tied, put two stirrups on the column reinforcement and tie them at the floor position and 50cm above the floor, respectively, so that the column reinforcement forms a whole and further controls the deviation of the main column reinforcement.

[0020] (5) Pouring concrete After the beam and slab reinforcement passes inspection, the floor concrete is poured according to the technical instructions. The wall and column concrete is poured first. After the wall and column concrete is poured, the beam and slab concrete is poured. In particular, when pouring the column head, the pumped concrete cannot be aligned with the positioning card, which can easily cause the positioning card to deform and thus cause the column reinforcement to deviate.

[0021] (6) Laying out and checking the position of column reinforcement The floor control lines are copied and laid out. Based on the control lines, each axis line is laid out, and then the column outline is laid out. The deviation of the column reinforcement position is checked.

[0022] (7) Template removal and removal of positioning clips When removing the bottom formwork of the floor slab, the positioning clips should be removed simultaneously.

Claims

1. A corner steel plate positioning device for the main reinforcement of a column, characterized in that, The steel plate body includes an L-shaped steel plate body, which includes two mutually perpendicular steel plate segments (1) and a notch area (2) between the steel plate segments (1). The notch area (2) is an opening structure for limiting the edge of the main reinforcement of the column. Each steel plate segment (1) is provided with a positioning notch (3) for aligning with the edge of the floor slab bottom formwork (4). The positioning notch (3) is located on the inner edge.

2. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The notch area (2) is an equilateral right-angled V-shaped cut opening, with the apex of the opening extending toward the center of the steel plate body.

3. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The steel plate body is made of thick galvanized steel plate or stainless steel plate, and the thickness of the steel plate body ranges from 0.8mm to 1.5mm.

4. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The side length of the notch area (2) ranges from 30mm to 40mm.

5. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The side length of the positioning notch (3) ranges from 2mm to 3mm.

6. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The length of the steel plate edge section (1) is at least equal to the thickness of the column main reinforcement protective layer plus 70mm.

7. The corner steel plate positioning device for the main reinforcement of a column according to claim 1, characterized in that: The steel plate edge section (1) is provided with nail holes for fixing.

8. A column main reinforcement positioning structure employing the corner steel plate positioning device for column main reinforcement according to any one of claims 1-7, characterized in that: It includes a floor slab bottom formwork (4) and column reinforcement bars that pass vertically through the side notch of the floor slab bottom formwork (4). The column reinforcement bars include column main reinforcement bars (5) located at the four corners. The edge of the floor slab bottom formwork (4) is aligned with the positioning notch (3) of the steel plate body. The column main reinforcement bars (5) are pressed and positioned against the edge of the notch area (2) of the steel plate body.

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