Reinforced concrete Z-shaped construction joint chiseling-free forming structure

By using Z-shaped formwork and triangular protrusions in the reinforced concrete construction joints, the step-shaped and serrated structures are formed, which solves the problem of large workload and easy leakage of construction joints, and achieves high-quality construction joints and overall structures quality.

CN222456783UActive Publication Date: 2025-02-11MCC SOUTHERN CITY CONSTR ENG TECH CO LTD +1
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Patent Information

Application Number
CN202421209857.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-02-11
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

In the prior art, the chiseling workload of construction joints is large and the joints are prone to leakage, resulting in poor structural quality.

Method used

The reinforced concrete Z-shaped construction joint free-cut molding structure is adopted. Through the design of Z-shaped formwork and triangular protrusions, a step-shaped structure and serrated fur surface are formed to reduce artificial fur, improve adhesion and prevent water seepage.

Benefits of technology

It effectively reduces the probability of water seepage of construction joints, improves the quality of concrete construction joints, avoids the quality problems caused by artificial mechanical chiseling, and enhances the overall construction quality of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reinforced concrete Z-shaped construction joint chiseling-free forming structure which comprises a pouring space defined by a bottom forming formwork, a side face forming formwork and a Z-shaped formwork on the end face, the pouring space is used for pouring concrete, a plurality of steel bars are arranged in the pouring space, the steel bars penetrate through the Z-shaped formwork, and the Z-shaped formwork is arranged in the pouring space. The reinforcing steel bars are provided with fixing structures for positioning and fixing the Z-shaped formwork, a plurality of triangular protrusions are arranged on the side face, facing the poured concrete, of the Z-shaped formwork, the triangular protrusions form a rough face on the side face of the concrete, and the technical problems that in the prior art, the construction joint dabbing workload is large, and a straight joint is prone to water leakage are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of construction, and particularly relates to a reinforced concrete Z-shaped construction joint free-of-roughening forming structure. Background Art

[0002] In the construction of large areas such as thick base plates, floor plates, and shear walls, construction joints are usually generated because the concrete pouring construction cannot be completed in one go. Conventional construction joints are "I"-shaped flat joints, and the construction joints are processed by manual chiseling. The following problems often occur: 1. Manual chiseling consumes a lot of manpower, and it is difficult to clean the chiseled positions; 2. Manual mechanical chiseling will cause structural damage to the concrete at adjacent positions, and the quality of manual chiseling is difficult to control. Therefore, water seepage and other problems often occur in construction joints, and quality problems frequently occur, affecting the overall quality of the structure. Utility Model Content

[0003] The utility model aims to provide a reinforced concrete Z-shaped construction joint free of roughening forming structure, so as to solve the technical problems that the construction joint roughening workload is large and the straight seam is easy to leak in the above-mentioned prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A reinforced concrete Z-shaped construction joint roughening-free forming structure comprises: a casting space surrounded by a bottom and side forming formwork and an end face Z-shaped formwork, the casting space is used for casting concrete, a plurality of steel bars are arranged in the casting space, the steel bars pass through the Z-shaped formwork, a fixing structure is arranged on the steel bars to position and fix the Z-shaped formwork, the Z-shaped formwork has a plurality of triangular protrusions on a side facing the concrete casting, the triangular protrusions form a rough surface on the concrete side.

[0006] The utility model discloses a reinforced concrete Z-shaped construction joint free-roughening forming structure, wherein the steel bars are respectively located at the top and the bottom of the Z-shaped template and are arranged in rows.

[0007] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure, wherein the Z-shaped template and the steel bar passing point are provided with reserved steel bar holes.

[0008] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure, wherein the fixing structure is a fixing buckle, and the fixing buckle is clamped on the steel bar to limit the Z-shaped template.

[0009] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure, wherein a sealing card is arranged outside the reserved steel bar hole, and the sealing card is located between the Z-shaped template and the fixing buckle.

[0010] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-burring forming structure. The bottom of the sealing card is provided with a card slot, and the card slot is clipped onto the steel bar.

[0011] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure. The Z-shaped template is made of PP or PVC material, and the thickness of the Z-shaped template is 10-20mm.

[0012] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure, wherein the raised bottom surface of the triangular raised part is 15*30mm, and the raised height of the triangular raised part is 20-40mm.

[0013] The utility model discloses a reinforced concrete Z-shaped construction joint free-of-roughening forming structure, wherein the triangular protrusions are arranged in a staggered manner in a plum blossom shape.

[0014] The beneficial effects of the utility model are as follows: a reinforced concrete Z-shaped construction joint free-of-roughening forming structure is proposed, and the concrete construction joint is formed into a step-like structure by setting a Z-shaped template; at the same time, by setting a triangular protrusion on the surface of the Z-shaped template, it is simply cleaned after the template is removed to naturally form a concave and convex surface, and the contact surface of the post-cast concrete is a triangle, and the contact surface is large and prismatic, which improves the bonding force of the front and rear cast concretes, and at the same time completely avoids various quality problems caused by artificial mechanical chiseling, reduces the probability of water seepage, greatly improves the quality of the concrete construction joint, and improves the overall construction quality of the structural concrete; and by setting a reserved steel bar hole position on the template, the steel bar passes through the reserved steel bar hole position, and it can be checked and confirmed whether the steel bar binding spacing meets the requirements of the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0016] Figure 1 It is a schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional view of an embodiment of the utility model;

[0018] Figure 3 This is a partial diagram of the Z-shaped template fixation of an embodiment of the utility model;

[0019] Figure 4 It is a cross-sectional view of a Z-shaped template of an embodiment of the utility model;

[0020] Figure 5 It is a partial axonometric view of a Z-shaped template of an embodiment of the utility model;

[0021] Figure 6This is a schematic diagram of a sealing card according to an embodiment of the utility model;

[0022] Figure 7 It is a schematic diagram of a fixing buckle of an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] like Figure 1-7 As shown, a reinforced concrete Z-shaped construction joint free-roughening forming structure comprises: a casting space surrounded by a bottom and side forming formwork and an end face Z-shaped formwork 1, the casting space is used for casting concrete 6, a plurality of steel bars 7 are arranged in the casting space, the steel bars 7 pass through the Z-shaped formwork 1, a fixing structure is arranged on the steel bars 7 to position and fix the Z-shaped formwork 1, the Z-shaped formwork 1 has a plurality of triangular protrusions 2 on the side facing the casting concrete 6, the triangular protrusions 2 form a rough surface on the side of the concrete 6.

[0025] It should be noted that the bottom and side forming templates are the same as the prior art, as long as they can enclose a casting space, except that the template at the construction joint is replaced with a Z-shaped template 1, and the inclined Z-shaped structure of the Z-shaped template 1 eventually forms a stepped structure on the side of the concrete 6; and the reserved length of the steel bars of the concrete 6 extends out of the Z-shaped template 1, leaving a connection part for the next cast steel bars, thereby enhancing the integrity of the two casts; wherein the cross-sectional shape of the triangular protrusion 2 is a triangle, and the appearance shape is a serrated structure.

[0026] In a preferred embodiment of the present invention, the steel bars 7 are respectively located at the top and bottom of the Z-shaped formwork 1 and are arranged in rows. As mentioned above, the reserved steel bars 7 are at least two rows, upper and lower, respectively close to the surface and bottom of the concrete 6, thereby facilitating construction and better improving the internal connection force.

[0027] In a preferred embodiment of the utility model, the Z-shaped template 1 and the steel bar 7 have reserved steel bar holes 3, such as Figure 5 As shown, the reserved steel bar holes 3 are usually U-shaped openings facing upward or downward, which facilitates the disassembly and assembly of the Z-shaped template 1.

[0028] In a preferred embodiment of the utility model, the fixing structure is a fixing buckle 5, which is clamped on the steel bar 7 to limit the Z-shaped template 1. The fixing buckle 5 is usually a U-shaped clamp, which is locked at its free end by a screw.

[0029] In a preferred embodiment of the utility model, a sealing card 4 is provided on the outside of the reserved steel bar hole 3, and the sealing card 4 is located between the Z-shaped template 1 and the fixing buckle 5. Generally, the material of the sealing card 4 is the same as that of the Z-shaped template 1, and the area of ​​the sealing card 4 is larger than the area of ​​the reserved steel bar hole 3.

[0030] In a preferred embodiment of the utility model, the bottom of the sealing card 4 has a card slot, and the card slot is clipped onto the steel bar 7; if the area of ​​the reserved steel bar hole 3 is too large, the sealing card 4 and the Z-shaped template 1 can also be fixed by screws.

[0031] In a preferred embodiment of the utility model, the Z-shaped template 1 is made of PP or PVC, and the thickness of the Z-shaped template 1 is 10-20 mm, so that the template strength meets the requirements and the triangular protrusion 2 is easy to form.

[0032] In a preferred embodiment of the present invention, the bottom surface of the triangular protrusion 2 is 15*30 mm, and the height of the triangular protrusion 2 is 20-40 mm.

[0033] In a preferred embodiment of the utility model, the triangular protrusions 2 are arranged in a staggered manner in a plum blossom shape, that is, the adjacent parts of the triangular protrusions 2 are flat, and another triangular protrusion 2 is arranged at a certain interval.

[0034] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0036] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A reinforced concrete Z-shaped construction joint free-roughening forming structure, characterized in that: include: A casting space is surrounded by a bottom and side forming template and an end surface Z-shaped template (1), the casting space is used for casting concrete (6), a plurality of steel bars (7) are arranged in the casting space, the steel bars (7) pass through the Z-shaped template (1), a fixing structure is arranged on the steel bars (7) to position and fix the Z-shaped template (1), and the Z-shaped template (1) has a plurality of triangular protrusions (2) on one side facing the casting concrete (6), and the triangular protrusions (2) form a rough surface on the side of the concrete (6).

2. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 1, characterized in that: The steel bars (7) are respectively located at the top and bottom of the Z-shaped template (1) and are arranged in rows.

3. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 2, characterized in that: A reserved steel bar hole (3) is provided at the point where the Z-shaped template (1) and the steel bar (7) pass through.

4. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 3, characterized in that: The fixing structure is a fixing buckle (5), and the fixing buckle (5) is clamped on the steel bar (7) to limit the position of the Z-shaped template (1).

5. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 4, characterized in that: A sealing card (4) is arranged outside the reserved steel bar hole (3), and the sealing card (4) is located between the Z-shaped template (1) and the fixing buckle (5).

6. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 5, characterized in that: The bottom of the sealing card (4) is provided with a card slot, and the card slot is clipped onto the steel bar (7).

7. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 1, characterized in that: The Z-shaped template (1) is made of PP or PVC, and the thickness of the Z-shaped template (1) is 10-20 mm.

8. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 7, characterized in that: The protrusion bottom surface of the triangular protrusion (2) is 15*30mm, and the protrusion height of the triangular protrusion (2) is 20-40mm.

9. A reinforced concrete Z-shaped construction joint free-roughening forming structure according to claim 8, characterized in that: The triangular protrusions (2) are arranged in a staggered manner in a plum blossom shape.