Connecting structure of prefabricated parapet wall

Abstract

The utility model provides a connecting structure of a prefabricated parapet wall. The connecting structure of the prefabricated parapet wall comprises a wall plate, a floor plate arranged at the upper end of the wall plate, the parapet wall connected to the edge of the floor plate, a constructional column, a connecting steel bar, an embedded sleeve arranged in the wall plate and a first vertical steel bar connected with the embedded sleeve, and the constructional column is arranged on the floor plate and located on the side of the parapet wall; one part of the connecting steel bar is located in the parapet wall, and the other part of the connecting steel bar is located in the constructional column and connected with the first vertical steel bar. According to the parapet wall connecting structure, the constructional columns are additionally arranged, the parapet wall, the wallboards and the floor slabs are connected into a whole through the constructional columns, the parapet wall and the constructional columns are connected through the connecting steel bars, and the stability and reliability of the parapet wall connecting structure are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to a connecting structure of a precast parapet wall. Background Technique

[0002] A parapet wall is a low wall around the roof of a building. In addition to maintaining safety, its main function is to apply waterproof pressure bricks at the bottom to prevent the waterproof layer from seeping water or the roof rainwater from overflowing.

[0003] With the realization of the assembly of floor slabs and wall panels, more and more existing parapet walls also adopt the method of factory prefabrication and on-site assembly. At present, the assembly of the parapet wall is as follows: embedded sleeves are arranged on the floor slab, and insertion holes for reinforcement bars are preset on the parapet wall. First, the parapet wall is hoisted to the corresponding position on the floor slab, and the insertion holes for reinforcement bars in the parapet wall are aligned with the embedded sleeves on the floor slab. Then, reinforcement bars are inserted into the insertion holes for reinforcement bars in the parapet wall from top to bottom. The reinforcement bars extend into the embedded sleeves for fixation. Finally, the insertion holes for reinforcement bars are grouted and sealed to achieve fixation. This connection structure has weak stability and there are safety risks. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a connecting structure of a precast parapet wall to improve the stability of the connecting structure of the assembled parapet wall.

[0005] The technical solution of the utility model is: a connecting structure of a precast parapet wall, including a wall panel, a floor slab placed at the upper end of the wall panel, a parapet wall connected to the edge of the floor slab, a structural column, connecting reinforcement bars, an embedded sleeve arranged in the wall panel, and a first vertical reinforcement bar connected to the embedded sleeve. The first vertical reinforcement bar is located in the structural column. The structural column is placed on the floor slab and beside the parapet wall. One part of the connecting reinforcement bar is located in the parapet wall, and the other part of the connecting reinforcement bar is located inside the structural column and connected to the first vertical reinforcement bar..

[0006] Preferably, at least four first vertical reinforcement bars are arranged around the structural column, and at least four first vertical reinforcement bars are connected by a first stirrup.

[0007] Preferably, a threaded hole is arranged in the embedded sleeve, and an external thread connected to the threaded hole is arranged at the lower end of the first vertical reinforcement bar.

[0008] Preferably, a plurality of connecting reinforcement bars are arranged on the first vertical reinforcement bar.

[0009] Preferably, the parapet wall is provided with second vertical steel bars and horizontal steel bars. Multiple groups of the second vertical steel bars are arranged in the length direction of the parapet wall. Two second vertical steel bars in each group are spaced apart in the thickness direction of the parapet wall. The multiple groups of the second vertical steel bars are connected by the horizontal steel bars. The connecting steel bar (6) is connected to the second vertical steel bar at the corresponding position.

[0010] Preferably, the floor slab is provided with a reserved hole for the first vertical steel bar to pass through, and the reserved hole is provided with a slurry for fixing the first vertical steel bar.

[0011] Preferably, a cast-in-place layer is arranged between the structural column and the floor slab, and the cast-in-place layer is provided with a sleeve for the first vertical steel bar to pass through.

[0012] Preferably, a grouting layer is arranged between the floor slab and the wall panel.

[0013] Compared with the related art, the beneficial effects of the present utility model are as follows:

[0014] First, a structural column is added to integrally connect the parapet wall, the wall panel and the floor slab through the structural column, and the parapet wall and the structural column are connected by the connecting steel bar, which greatly improves the stability and reliability of the connection structure of the parapet wall.

[0015] Second, the first vertical steel bar in the structural column extends downward into the wall panel and is connected to the wall panel, so that the wall panel also plays a role in the connection of the parapet wall to improve the stability of the connection structure of the parapet wall.

[0016] Third, a cast-in-place layer is arranged on the upper surface of the floor slab. The cast-in-place layer not only plays a connecting role with the structural column and the parapet wall, but also can enhance the waterproof performance of positions such as the upper surface of the floor slab and the installation side seam of the parapet wall.

[0017] Fourth, the parapet wall is provided with second vertical steel bars and horizontal steel bars to enhance the strength of the self-structure of the parapet wall and the connection strength with the connecting steel bar. Description of the Drawings

[0018] Figure 1 is a partial cross-sectional structural schematic diagram of the connection structure of the precast parapet wall provided by the present utility model;

[0019] Figure 2 is Figure 1 the top view schematic diagram of.

[0020] In the drawings: 1, parapet wall; 2, floor slab; 3, wall panel; 4, cast-in-place layer; 5, structural column; 6, connecting steel bar; 7, reserved hole; 8, slurry; 9, first vertical steel bar; 10, first stirrup; 11, sleeve; 12, grouting layer; 13, embedded sleeve; 16, second vertical steel bar; 18, horizontal steel bar. Detailed Embodiment

[0021] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. For the convenience of narration, words such as "upper", "lower", "left", and "right" hereinafter only indicate the same directions as the upper, lower, left, and right of the accompanying drawings themselves, and do not limit the structure.

[0022] As Figure 1 、 Figure 2 shown, a connecting structure of a precast parapet provided in this embodiment includes a parapet 1, a floor slab 2, a wall panel 3, a cast-in-place layer 4, a construction column 5, a first vertical steel bar 9, a first stirrup 10, and a pre-embedded sleeve 13.

[0023] The floor slab 2 is placed at the upper end of the wall panel 3, and a grouting layer 12 is provided between the wall panel 3 and the floor slab 2. The parapet 1 is connected to the edge of the floor slab 2.

[0024] In this embodiment, the wall panel 3 is located at the lower end of two butt-jointed floor slabs 2. The construction column is provided at the joint of the floor slabs 2 and beside the parapet 1.

[0025] Four pre-embedded sleeves 13 are provided in the wall panel 3, and are respectively arranged in two corresponding floor slabs 2 in pairs. A threaded hole is provided in the pre-embedded sleeve 13. The horizontal and vertical spacings of the four pre-embedded sleeves 13 are adapted to the external dimension of the construction column 5.

[0026] The floor slab 2 is provided with two reserved holes 7. A cast-in-place layer 4 is provided on the upper surface of the floor slab 2, and the cast-in-place layer 4 is connected to the inner surface of the parapet 1. Four sleeves 11 are provided in the cast-in-place layer 4. The four reserved holes 7, the four pre-embedded sleeves 13, and the four sleeves 11 in two butt-jointed floor slabs 2 are aligned one by one.

[0027] The construction column 5 is a cast-in-place structure. It is placed on the upper surface of the cast-in-place layer 4. The construction column 5 is provided with a first vertical steel bar 9 and a first stirrup 10. The lower end of the first vertical steel bar 9 sequentially passes through the sleeve 11, the reserved hole 7 and is connected to the pre-embedded sleeve 13.

[0028] Four first vertical steel bars 9 are provided around the inside of the construction column 5, and the four first vertical steel bars 9 are arranged in one-to-one correspondence with the four pre-embedded sleeves 13. A threaded hole is provided in the pre-embedded sleeve 13, and an external thread is provided at the lower end of the first vertical steel bar 9. The lower end of the first vertical steel bar 9 sequentially passes through the sleeve 11, the reserved hole 7 and is threadedly connected to the pre-embedded sleeve 13. A slurry 8 for fixing the first vertical steel bar 9 is provided in the sleeve 11 and the reserved hole 7.

[0029] The connecting steel bar 6 is in a closed "mouth" - shaped structure. One end of the connecting steel bar 6 encloses and fixes the four first vertical steel bars 9. The other end of the connecting steel bar 6 extends into the parapet wall 1 and is connected to the second vertical steel bar 16. A plurality of the connecting steel bars 6 are arranged on the first vertical steel bars 9.

[0030] The first stirrup 10 connects the four first vertical steel bars 9. A plurality of the first stirrups 10 are arranged on the first vertical steel bars 9.

[0031] In the parapet wall 1, there are second vertical steel bars 16 and transverse steel bars 18. The second vertical steel bars 16 are arranged in multiple groups in the length direction of the parapet wall 1. Two second vertical steel bars 16 in each group are spaced apart in the thickness direction of the parapet wall 1. The multiple groups of second vertical steel bars 16 are connected by the transverse steel bars 18. The connecting steel bar 6 is connected to the second vertical steel bar 16 at the corresponding position.

[0032] The connecting structure of the precast parapet wall provided by the utility model can form an integral and stable maintenance structure, that is, a reliable waterproof system for the roof structure.

[0033] The above are only the embodiments of the utility model, and do not limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the description and drawings of the utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the utility model.

Claims

1. A connecting structure for a precast parapet, comprising a wall panel (3), a floor slab (2) placed at the upper end of the wall panel (3), and a parapet (1) connected to the edge of the floor slab (2), characterized in that, It further includes construction columns (5), connecting steel bars (6), embedded sleeves (13) provided in the wall panel (3), and first vertical steel bars (9) connected to the embedded sleeves (13). The first vertical steel bars (9) are located within the construction columns (5). The construction columns (5) are placed on the floor slab (2) and beside the parapet wall (1). A part of the connecting steel bars (6) is located in the parapet wall (1), and the other part of the connecting steel bars (6) is located inside the construction columns (5) and connected to the first vertical steel bars (9).

2. The connecting structure of the precast parapet according to claim 1, characterized in that, At least four first vertical steel bars (9) are arranged around the construction columns (5), and at least four of the first vertical steel bars (9) are connected by first stirrups (10).

3. The connecting structure of the precast parapet according to claim 1, characterized in that, Threaded holes are provided in the embedded sleeves (13), and external threads connected to the threaded holes are provided at the lower ends of the first vertical steel bars (9).

4. The connecting structure of the precast parapet according to claim 1, characterized in that, A plurality of connecting steel bars (6) are arranged on the first vertical steel bars (9).

5. The connecting structure of the precast parapet according to claim 1, characterized in that Second vertical steel bars (16) and transverse steel bars (18) are provided in the parapet wall (1). A plurality of groups of the second vertical steel bars (16) are arranged in the length direction of the parapet wall (1). Two second vertical steel bars (16) in each group are arranged at intervals in the thickness direction of the parapet wall (1). The plurality of groups of the second vertical steel bars (16) are connected by the transverse steel bars (18). The connecting steel bars (6) are connected to the second vertical steel bars (16) at corresponding positions.

6. The connecting structure of the precast parapet according to claim 1, characterized in that, A reserved hole (7) for the first vertical steel bars (9) to pass through is provided in the floor slab (2), and a slurry (8) for fixing the first vertical steel bars (9) is provided in the reserved hole (7).

7. The connecting structure of the precast parapet according to claim 1, characterized in that, A cast-in-place layer (4) is provided between the construction columns (5) and the floor slab (2), and a sleeve (11) for the first vertical steel bars (9) to pass through is provided in the cast-in-place layer (4).

8. The connecting structure of the precast parapet according to claim 1, characterized in that A mortar layer (12) is provided between the floor slab (2) and the wall panel (3).

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