CN211472963U

CN211472963U - Connecting structure of cast-in-situ hidden column and prefabricated part

Info

Publication number: CN211472963U
Application number: CN201921900818.3U
Authority: CN
Inventors: 恽燕春; 丁泓; 魏爽; 方松青; 周轩
Original assignee: Baoye Group Co ltd
Current assignee: Baoye Group Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-11
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a cast-in-place hidden column and prefabricated component connecting structure, the prefabricated component is a prefabricated double-sided superposed wallboard, the end part of the prefabricated double-sided superposed wallboard is provided with a pair of reserved rabbet, and a counter-pull PVC sleeve pipe which vertically runs through the double-sided superposed wallboard is pre-embedded at the reserved rabbet part; the reserved tongue-and-groove is used for the position where the cast-in-place hidden column template is attached and positioned during cast-in-place; and the outer sides of the reserved rabbet and the cast-in-place hidden column are provided with parallel and level plastering layers. The node treatment of the connecting structure of the cast-in-situ hidden column and the prefabricated part of the utility model is completed in factory production, and the field operation is simplified; the workload and the working time of field plastering are reduced, and the working efficiency is improved; the site operation is more concise, and the operation is convenient.

Description

Connecting structure of cast-in-situ hidden column and prefabricated part

Technical Field

The utility model relates to a prefabricated component's installation structure is a cast-in-place hidden column and prefabricated component connection structure particularly for two-sided superimposed shear wall construction.

Background

In the use process of the assembled superposed shear wall, due to the arrangement of the edge constraint members (hidden columns), the two ends of the double-faced superposed shear wall are respectively provided with cast-in-place hidden columns, as shown in fig. 1.

Currently, the edge configuration of a typical double-sided, overlapping shear wall is shown in fig. 2.

According to the current construction process: firstly, hoisting and adjusting the superposed wall plate → binding the cast-in-place hidden column reinforcing steel → installing the cast-in-place hidden column template → reinforcing and fixing the template → pouring concrete → detaching the template → reinforcing mesh sheet at the junction → plastering the surface of the tile.

The setting position of the cast-in-place hidden column template is arranged on the outer side of the superposed wall, namely after the casting is finished, the boundary of the cast-in-place hidden column and the superposed wall plate are kept flush, as shown in figures 3-4.

However, in actual construction, according to relevant specifications of construction quality acceptance, the treatment of the connection part of the cast-in-place part and the prefabricated part has the following two problems:

1. the allowable deviation of general plastering meeting the requirements in the acceptance standard of the quality of architectural decoration and finishing engineering is 3-4mm, the surface flatness of the prefabricated part can meet the requirements according to different processes, the surface flatness of the prefabricated part and the surface flatness of the cast-in-place member of the cast-in-place structural wall body are respectively 3mm and 8mm according to the allowable deviation requirements of the acceptance standard of the quality of construction of concrete structural engineering, and the wall body can meet the acceptance requirements of subsequent procedures after plastering treatment is needed;

2. the 'quality acceptance standard of building decoration project' clearly states that 'when the reinforcing net is adopted, the lap joint width of the reinforcing net and each base body is not less than 100 mm', the reinforcing measures for preventing cracking should be adopted when the plastering on the surface of the joint of the base bodies made of different materials is adopted.

Therefore, although the double-sided superposed shear wall surface meets the requirement of plastering-free, integral plastering is still needed, as shown in fig. 5. The construction is still troublesome and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the connecting structure of the cast-in-place hidden column and the prefabricated part and the construction method thereof are provided, the advantage of plastering-free surface of the prefabricated part is exerted to the greatest extent, and the requirements of the specifications of the two points are met, so that the double-sided superposed shear wall and the hidden column construction node are improved.

The utility model adopts the following technical proposal:

a cast-in-place hidden column and prefabricated component connection structure, the prefabricated component is a prefabricated double-sided superposed wallboard 1, the end of the prefabricated double-sided superposed wallboard 1 is provided with a pair of reserved rabbet 6, and a counter-pull PVC sleeve 2 vertically penetrating through the double-sided superposed wallboard 1 is pre-embedded in the position of the reserved rabbet 6; the reserved rabbet 6 is used for the position where the cast-in-situ hidden column template 13 is attached and positioned during cast-in-situ; and the outer sides of the reserved rabbet 6 and the cast-in-place hidden column are provided with parallel and level plastering layers.

Preferably, the reserved rabbet 6 is rectangular.

Preferably, cast-in-place hidden column reinforcing steel bars 12 are arranged inside the cast-in-place hidden column.

The beneficial effects of the utility model reside in that:

1) the node treatment of the cast-in-place hidden column and prefabricated part connecting structure is finished in factory production, and the field operation is simplified;

2) the node of the connecting structure of the cast-in-place hidden column and the prefabricated part reduces the workload and the working time of field plastering and improves the working efficiency;

3) the cast-in-place hidden column and prefabricated part connecting structure has the advantages of simpler site construction, strong practicability and convenient operation;

4) the design is ingenious, the implementation is convenient, and the method has a wide popularization and application prospect.

Drawings

Fig. 1 is a schematic view of the joint of a double-sided superimposed shear wall and a hidden column.

Fig. 2 is a schematic view of the edge configuration of a double-sided overlapping shear wall of the prior art.

FIG. 3 is a schematic view of a prior art preform opening and closing of a blind stud.

Fig. 4 is a schematic view of pouring at the joint of a double-faced superposed shear wall and a cast-in-place embedded column in the prior art.

Figure 5 is a schematic representation of plastering at the junction of a double-sided laminated shear wall and a cast-in-place structural column of the prior art.

Fig. 6 is a schematic view of the structure of the edge node of the double-sided superimposed shear wall of the present invention.

Fig. 7 is a schematic view when making a reserve groove and tongue.

Fig. 8 is a schematic combination diagram of edge nodes of a double-sided superimposed shear wall and cast-in-place section reinforcing steel bars.

Fig. 9 is a schematic view after covering the cast-in-place section formwork.

Fig. 10 is a schematic view of the cast-in-place section formwork being compressed using tie bolts and steel pipes.

Fig. 11 is a schematic view of fig. 10 after the concrete has been poured.

Fig. 12 is a schematic view of fig. 11 with the counter-pulling bars removed.

FIG. 13 is a schematic view of FIG. 12 after laying of the reinforcing mesh.

Fig. 14 is a schematic view of fig. 13 after the application of the render coat.

Fig. 15 is a schematic perspective view of the edge node structure of a double-sided stacked shear wall according to the present invention.

Fig. 16 is a combined perspective view of edge nodes of the double-faced superimposed shear wall and cast-in-place section reinforcing steel bars.

In the drawing, 1, a prefabricated double-faced overlapped wallboard, 2, a counter-pull screw rod pvc pipe sleeve, 3, a vertical distribution rib, 4, a horizontal distribution rib, 5, a steel bar truss, 6, a reserved rabbet, 7, a steel frame side die, 8, concrete, 9, a steel bar, 10, a plastic template, 11, a die table, 12, a cast-in-place section steel bar, 13, a cast-in-place section template, 14, a steel pipe, 15, a wood purlin, 16, a counter-pull bolt, 17, a reinforcing mesh and 18, a plastering layer are arranged.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 6, 8, 9, 12 and 13-16, a cast-in-place hidden column and prefabricated component connecting structure, the prefabricated component is a prefabricated double-sided superposed wallboard 1, the end part of the prefabricated double-sided superposed wallboard 1 is provided with a pair of reserved grooves and tongues 6, and a counter-pull PVC casing 2 vertically penetrating through the double-sided superposed wallboard 1 is embedded in the reserved grooves and tongues 6; the reserved rabbet 6 is used for the position where the cast-in-situ hidden column template 13 is attached and positioned during cast-in-situ; and the outer sides of the reserved rabbet 6 and the cast-in-place hidden column are provided with parallel and level plastering layers.

In this embodiment, the rebate 6 is rectangular, see figures 6 and 15-16.

In this embodiment, referring to fig. 8-9, the cast-in-place dark column is internally provided with cast-in-place dark column reinforcing steel bars 12.

A construction method of the cast-in-place hidden column and prefabricated part connecting structure comprises the following steps:

s1, prefabricating a double-sided laminated wallboard 1 with a reserved tongue-and-groove 6 at the end, as shown in figures 6-7;

s2, building a mold on site by using the reserved tongue-and-groove 6 and pouring; as shown in fig. 9-12;

s3, removing the die, and reinforcing the junction of the prefabricated part and the cast-in-place hidden column through a steel wire mesh 17; as shown in fig. 13;

s4, performing plastering construction at the rabbet part and the outer side of the cast-in-place hidden column, and enabling the height of the plastering layer to be flush with the height of the reserved rabbet 6; as shown in fig. 14.

In step S1, the reserve groove 6 is formed by setting the plastic mold plate 10 on the mold stage 11, as shown in fig. 7.

In step S2, the method sequentially includes the following steps: s2-1, hoisting and adjusting the prefabricated part; s2-2, binding hidden column reinforcing steel bars; s2-3, closing the prefabricated part rabbet and the hidden column; s2-4, reinforcing and fixing the template; s2-5, pouring concrete, as shown in figure 9.

In the step S2-4, a plurality of wood purlins 15 are arranged on the outer side of the cast-in-place dark column template 13, steel pipes 14 are arranged on the outer sides of the wood purlins 15, counter-pull bolts 16 are adopted to penetrate through the steel pipes 14, the cast-in-place dark column template 13 and the counter-pull PVC sleeves 2, and the steel pipes 14 are tightly pressed through matched nuts. As shown in fig. 10-13.

In step S4, the height of the plastering layer 18 is such that the groove edge of the reserved tongue-and-groove is flush and level. As shown in fig. 14.

The utility model discloses furthest performance prefabricated component surface exempts from the advantage of plastering, satisfies the requirement of standard simultaneously, improves two-sided superimposed shear wall and hidden column structure node from this. The outer sides of the inner and outer leaf wall boards of the double-sided superposed shear wall are respectively provided with a tongue-and-groove from bottom to top, wherein the tongue-and-groove is 10mm deep and 250mm wide. Through the node treatment, the subsequent plastering only needs to be carried out on the edge of the groove, so that the surface smoothness of the cast-in-place member and the standard requirement that a reinforcing net needs to be added at the joint of two material matrixes are ensured, the plastering is reduced to the maximum extent, and the advantages of the fabricated building are exerted.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.

Claims

1. The utility model provides a cast-in-place dark post and prefabricated component connection structure which characterized in that:

the prefabricated component is a prefabricated double-sided superposed wallboard (1), a pair of reserved rabbet (6) is arranged at the end part of the prefabricated double-sided superposed wallboard (1), and a split PVC sleeve (2) which vertically penetrates through the double-sided superposed wallboard (1) is embedded in the position of the reserved rabbet (6);

the reserved rabbet (6) is used for the position where the cast-in-place hidden column template (13) is attached and positioned during cast-in-place;

and the outer sides of the reserved rabbet (6) and the cast-in-place hidden column are provided with parallel and level plastering layers.

2. The cast-in-place dark post and prefabricated component connection structure of claim 1, characterized in that: the reserved rabbet (6) is rectangular.

3. The cast-in-place dark post and prefabricated component connection structure of claim 1, characterized in that: cast-in-place hidden post reinforcing steel bars (12) are arranged inside the cast-in-place hidden posts.