Structural seam drawing structure of full-concrete outer wall

Abstract

The utility model discloses a structural seam pulling structure of a full-concrete outer wall, which comprises a seam pulling piece and concrete integrally formed with the seam pulling piece, and the seam pulling piece and the concrete form a concrete prefabricated part capable of being connected with a main body wall reinforcing steel bar. The joint pulling material is prefabricated into a concrete prefabricated structure, a prefabricated structure joint pulling with better overall rigidity and positioning effect is formed, only positioning connection and cast-in-place with the structure are needed in the follow-up installation process, the construction quality of joint pulling is integrally guaranteed, and the fixing problem of joint pulling construction is solved. The problems of narrow space, difficulty in positioning, serious construction vibration damage and the like of seam pulling construction can be effectively solved, and it is guaranteed that the construction quality at the seam pulling position is attractive, straight and high in accuracy.

Description

Technical Field

[0001] The utility model relates to a concrete exterior wall seam structure, in particular to a structural seam structure of a full concrete exterior wall. Background Art

[0002] Structural joints refer to the vertical or horizontal joints between the concrete wall and the shear wall, which are filled with flexible materials to indirectly connect the two, so as to achieve the purpose of not affecting the stiffness of the shear wall and completing the casting of the exterior wall in one go. At present, most residential buildings still adopt the mode of shear wall (frame) + secondary structure masonry, but some real estate companies are gradually promoting the full cast-in-place concrete exterior wall structure for better construction efficiency and waterproof effect. Fully cast-in-place exterior wall concrete is to change the original infill wall part of the wall to concrete, and cast it at one time with the main structure to achieve the purpose of one-time casting. However, in order to ensure the structural seismic resistance and other standards, it is often necessary to separate the infill wall concrete and the load-bearing structure concrete at the junction with the joint (called structural joint) to reduce the overall stiffness. Joints are usually designed with materials such as extruded boards, but often due to the small size of the joints, the small size of the extruded boards, the difficulty in positioning the extruded boards, the insufficient strength and stiffness during the casting process, and the easy extrusion deformation of concrete, etc., resulting in poor final molding quality.

[0003] Therefore, it is necessary to solve the problems of difficulty in positioning the seam plates and extrusion deformation during the pouring process in order to improve the molding quality of the concrete exterior walls. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a structural seam structure of a full concrete exterior wall and a construction method thereof, which needs to solve the problem of difficulty in positioning the existing seam plates and the extrusion deformation problem during the pouring process, so as to improve the molding quality of the concrete exterior wall.

[0005] The structural seam structure of the full concrete exterior wall of the utility model comprises a seam piece and concrete integrally formed with the seam piece, wherein the seam piece and the concrete form a prefabricated concrete component that can be connected to the main wall steel bars;

[0006] Furthermore, the precast concrete component is pre-embedded with connecting steel bars for connecting with the main wall steel bars, and the connecting steel bars are arranged corresponding to the main wall steel bars;

[0007] Furthermore, the connecting steel bars are distributed at equal intervals along the precast concrete component, and the spacing between the connecting steel bars is not less than 500 mm;

[0008] Furthermore, the connecting steel bars are fixed to the main wall steel bars by welding;

[0009] Further, the seam-pulling member is an extruded board, concrete is poured on the extruded board to form a precast concrete component, and the pouring thickness of the concrete is not less than 30 mm;

[0010] Furthermore, the precast concrete component is provided with a reinforcement member for preventing cracking;

[0011] Furthermore, the reinforcement is a steel mesh, which is implanted during concrete pouring.

[0012] The beneficial effects of the utility model are as follows: the structural seam structure of the all-concrete exterior wall of the utility model prefabricates the seam material into the concrete prefabricated structure to form a prefabricated structural seam with better overall rigidity and positioning effect. In the subsequent installation process, only positioning and connection are required, and the structure can be cast in situ, which ensures the overall construction quality of the seam and overcomes the difficulty of fixing the seam construction. It can effectively improve the problems of narrow space, difficult positioning, and serious vibration damage in the construction of the seam, and ensure the construction quality of the seam is beautiful, straight, and high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a schematic diagram of the structure of the seam pulling component of the utility model;

[0015] Figure 2 for Figure 1 AA section view;

[0016] Figure 3 for Figure 2 CC section view;

[0017] Figure 4 It is a structural diagram of the installation of the seam-jointed components and the main wall;

[0018] Figure 5 for Figure 4 NN cross-sectional view. DETAILED DESCRIPTION

[0019] Figure 1 It is a schematic diagram of the structure of the seam pulling component of the utility model; Figure 2 for Figure 1 AA section view; Figure 3 for Figure 2 CC section view; Figure 4 It is a structural diagram of the installation of the seam components and the main wall; Figure 5 for Figure 4NN cross-sectional view. As shown in the figure, the structural seam structure of the all-concrete exterior wall of this embodiment includes a seam piece 1 and concrete integrally formed with the seam piece 1, wherein the seam piece 1 and the concrete form a concrete precast component that can be connected to the main wall steel bar 2; the seam material is prefabricated into the concrete precast structure to form a prefabricated structural seam with better overall rigidity and positioning effect, and in the subsequent installation process, only positioning connection is required, and the structure can be cast in place, thereby ensuring the overall construction quality of the seam and overcoming the difficulty of fixing the seam construction.

[0020] In this embodiment, connecting steel bars 4 for connecting with the main wall steel bars 2 are embedded in the concrete precast component; in order to ensure the positioning of the subsequent overall precast seam component, short embedded steel bars (about 500mm spacing) are inserted at intervals before pouring the concrete seam component, so as to be welded and fixed with the main wall steel bars 2. The concrete precast component can be demoulded only after it reaches a certain strength.

[0021] In this embodiment, the connecting steel bars 4 are evenly spaced along the precast concrete component, the spacing between the connecting steel bars 4 is not less than 500 mm, and the connecting steel bars 4 are welded and fixed to the main wall steel bars 2; short steel bars are generally used as the connecting steel bars 4. A plurality of connecting steel bars 4 that are spot-welded and fixed to the main wall steel bars 2 are embedded in the precast concrete component, which facilitates multi-directional connection and fixation with the main wall steel bars 2, thereby improving the installation stability and firmness of the precast concrete component.

[0022] In this embodiment, the seam piece 1 is an extruded board, and concrete is poured on the extruded board to form a concrete precast component, and the pouring thickness of the concrete is not less than 30 mm; the size of the precast template is 30-50 mm larger than the seam board on each side. During prefabrication, the extruded board is placed on the bottom layer, and then concrete (thickness of about 30 mm) is poured on the upper layer to form a precast structure. The overall structure is strong and can meet the strength and stiffness requirements during the pouring process. It will not be squeezed and deformed by concrete, and the final molding quality is high.

[0023] In this embodiment, a reinforcement member 3 for preventing cracking is provided in the precast concrete component; the reinforcement member 3 is a steel mesh, which is implanted when pouring concrete; in order to prevent cracking and brittle fracture, a precast plate steel mesh is arranged in the precast concrete structure. The steel mesh is pressed into the structure after the concrete is poured to form. After forming, the steel mesh is located in the precast concrete component, playing a role of reinforcing the reinforcement, so as to make up for the lack of tensile strength of the concrete, improve the anti-destruction ability of the structure, and effectively prevent the brittle fracture of the concrete structure.

[0024] This embodiment also discloses a method for constructing a full cast-in-place concrete wall structure by pulling seams, comprising the following steps:

[0025] The structural seam material is made into a concrete prefabricated part and connected with the main wall steel bar 2, and then the concrete is poured in situ;

[0026] In this embodiment, when the main wall reinforcement 2 is tied, the concrete prefabricated parts are installed, and the embedded connecting reinforcement 4 is spot welded to the main wall reinforcement 2 to prevent the prefabricated block from being disturbed by the seam, and then the main wall formwork is supported and concrete is poured; during the concrete pouring process, the material is evenly discharged from the left and right, and the concrete is evenly vibrated into place. The main wall formwork is removed, and the seam is straightened. The appearance quality will not be affected by traditional displacement and other situations.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A structural seam structure of a full concrete exterior wall, characterized in that: The invention comprises a seam stretching piece and concrete integrally formed with the seam stretching piece, wherein the seam stretching piece and the concrete form a prefabricated concrete component which can be connected with the reinforcement of the main wall.

2. The structural seam structure of the full concrete exterior wall according to claim 1, characterized in that: Connecting steel bars for connecting with the main wall steel bars are pre-embedded on the precast concrete components, and the connecting steel bars are arranged corresponding to the main wall steel bars.

3. The structural seam structure of the full concrete exterior wall according to claim 2 is characterized in that: The connecting steel bars are distributed at equal intervals along the precast concrete component, and the intervals between the connecting steel bars are not less than 500 mm.

4. The structural seam structure of the full concrete exterior wall according to claim 3 is characterized in that: The connecting steel bars are welded and fixed to the main wall steel bars.

5. The structural seam structure of the full concrete exterior wall according to claim 1 is characterized in that: The seam-pulling piece is an extruded board, and concrete is poured on the extruded board to form a prefabricated concrete component, and the pouring thickness of the concrete is not less than 30 mm.

6. The structural seam structure of the full concrete exterior wall according to claim 5 is characterized in that: A reinforcement member for preventing cracking is arranged inside the prefabricated concrete component.

7. The structural seam structure of the full concrete exterior wall according to claim 6, characterized in that: The reinforcement is a steel mesh, which is implanted during concrete pouring.

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