CN216949300U

CN216949300U - Empty drum structure is prevented on terrace

Info

Publication number: CN216949300U
Application number: CN202122285306.4U
Authority: CN
Inventors: 郭天宇; 常春蕾; 韩友强; 赵华颖; 李明科; 薛恒岩; 曹凤新; 陈浩; 郑颖
Original assignee: Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Current assignee: Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-07-12
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a terrace hollowing-preventing structure which comprises an anchoring tie piece and a steel bar net piece, wherein the anchoring tie piece comprises an expansion bolt embedded in a concrete base layer, the top end of the expansion bolt extends out of the concrete base layer and is fixedly connected with a hook, the hook head of the hook hooks the steel bar net piece and is fixedly bound with the steel bar net piece, and the expansion bolt, the hook and the steel bar net piece are cast into a whole through terrace layer concrete. The anchoring and pulling piece consisting of the expansion bolts and the hooks which are connected by the threads enables the reinforcing mesh to be rooted in the concrete base layer, the structure is simple, the connection is firm, the construction is convenient, the combination degree of the concrete of the terrace layer and the concrete base layer is improved, the phenomena of hollowing, cracking, delaminating and the like are effectively avoided, the setting height of the reinforcing mesh can be adjusted in time according to the actual situation on site, and the construction quality and the construction efficiency of the concrete of the terrace layer are improved.

Description

Anti-hollowing structure for terrace

Technical Field

The utility model relates to the field of combined walls, in particular to a floor hollowing-preventing structure.

Background

At present, the construction process of the wear-resistant curing floor mainly comprises the steps of milling a base layer → arranging a reinforcing mesh → pouring concrete → collecting the surface, finely leveling → constructing aggregate → working at the tail part. But the base layer surface after the milling of the base layer can not be well combined with the concrete of the poured terrace layer, thereby causing the phenomena of hollowing, cracking, even delamination and the like of the concrete of the poured terrace layer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-hollowing structure of a terrace, which aims to solve the technical problems in the background technology.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a sky drum structure is prevented on terrace, includes anchor drawknot spare and reinforcing bar net piece, the anchor drawknot spare is including burying underground the intraformational expansion bolts of concrete foundation, the expansion bolts top extends to outside the concrete foundation and fixedly connected with couple, the gib head of couple hooks reinforcing bar net piece and fixed with reinforcing bar net piece ligature, and expansion bolts, couple and reinforcing bar net piece pass through terrace layer concrete placement as an organic whole.

Preferably, the anchoring and pulling pieces are arranged in a quincunx shape, and the arrangement distance between two adjacent anchoring and pulling pieces is 1000-1500 mm.

Preferably, the bottom end of the expansion bolt is inserted into a mounting hole drilled in the concrete base layer and is fixedly connected with the mounting hole through epoxy resin glue, and the top end of the sleeve is flush with the top surface of the concrete base layer and is tightly pressed through a gasket and a nut.

Preferably, in order to realize the adjustment of the setting height of the reinforcing mesh, the top end of a bolt column of the expansion bolt is sleeved with threads, a lengthened nut matched with the bolt column is fixedly welded at the bottom end of a hook handle of the hook, and the bolt column is installed in the lengthened nut in a threaded mode to connect the expansion bolt and the hook into a whole.

Preferably, for the wholeness that improves concrete-based course and terrace layer concrete, concrete-based course top surface is the napped surface.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the steel bar net piece is rooted in the concrete base layer through the anchoring tie piece, so that the combination degree of the concrete of the terrace layer and the concrete base layer is improved, and the phenomena of hollowing, cracking, delaminating and the like are effectively avoided;

2. the expansion bolt is used as an anchoring embedded part, the expansion bolt and the hook are connected into a whole through the lengthened nut, the structure is simple, the connection is firm, the construction is convenient, the lengthened nut can be screwed inwards and outwards according to the actual situation on site, the distance between the reinforcing mesh and the concrete base layer is controlled within an allowable range, and the construction quality and the construction efficiency of the concrete of the terrace layer are improved.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the utility model, and in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the anchor tie of the present invention;

fig. 3 is a plan view of the anchor tie of the present invention.

Reference numerals are as follows: 1-concrete base layer, 2-expansion bolts, 201-bolt columns, 202-gaskets, 203-nuts, 204-sleeves, 3-hooks, 4-lengthened nuts and 5-reinforcing mesh.

Detailed Description

Hereinafter, an embodiment of a terrace hollowing-preventing structure of the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

In the description of the present invention, it should be noted that the terms "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The drawings accompanying this specification are for the purpose of illustrating the concepts of the utility model and are not necessarily to scale, the drawings being schematic representations of the shapes of the parts and their interrelationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-3:

as shown in fig. 1-3, the preferred anti-hollowing structure for a terrace of the present invention comprises an anchoring tie member and a steel mesh sheet 5, wherein the anchoring tie member comprises an expansion bolt 2 embedded in a concrete base layer 1, the bottom end of the expansion bolt 2 is inserted into a mounting hole drilled on the concrete base layer 1 and is fixed by epoxy resin glue, the top end of a sleeve 204 is flush with the top surface of the concrete base layer 1 and is pressed tightly by a gasket 202 and a nut 203, the top end of a bolt column 201 is sleeved with a thread and extends out of the concrete base layer 1, the top end of the bolt column 201 is provided with a hook 3 in a threaded manner, the hook 3 comprises a hook head and a hook handle which are connected integrally, the hook head hooks the steel mesh sheet 5 and is bound and fixed with the steel mesh sheet 5, the bottom end of the hook handle is welded and fixed with an extended nut 4 matched with the bolt column 201, and is connected with the expansion bolt 2 into a whole by the extended nut 4;

anchor drawknot spare is arranged according to the quincunx, and two adjacent anchor drawknot spares set up the interval and be between 1000 ~ 1500mm, 1 top surface of concrete-based layer is for milling the napped surface that becomes, and has pour terrace layer concrete on napped surface upper portion, the terrace layer concrete is pour expansion bolts 2, couple 3 and reinforcing bar net piece 5 as an organic whole.

The specific construction process of the utility model is as follows:

firstly, milling the top surface of a concrete base layer 1 into a napped surface, drilling mounting holes on the top surface of the concrete base layer by an electric drill, arranging hole sites according to a quincunx shape, wherein the interval between two adjacent hole sites is between 1000-1500 mm, then inserting expansion bolts 2 into the mounting holes, pouring epoxy resin glue into the mounting holes, internally screwing nuts 203 before the epoxy resin glue is dried to expand the bottom ends of sleeves 204, further fixing the expansion bolts 2 on the concrete base layer 1, after the epoxy resin glue is dried and solidified, arranging reinforcing mesh sheets 5 in a floor construction area and binding and fixing the reinforcing mesh sheets 5 on hook heads of hooks 3 to fix the reinforcing mesh sheets 5 to the same horizontal plane, internally screwing lengthening nuts 4 when the reinforcing mesh sheets 5 are too high from the concrete base layer 1 to pull down the height of reinforcing steel bars 5, and externally screwing the lengthening nuts 4 to support the reinforcing mesh sheets 5 when the reinforcing mesh sheets 5 are too close to the concrete base layer 1, thereby control the distance between reinforcing bar net piece 5 and concrete substrate 1 within the allowed range, at last, carry out the pouring and the follow-up construction operation of terrace layer concrete.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a terrace prevents hollowing structure which characterized in that: including anchor drawknot spare and reinforcing bar net piece (5), the anchor drawknot spare is including burying expansion bolts (2) in concrete-based layer (1) underground, expansion bolts (2) top extend to concrete-based layer (1) outside and fixedly connected with couple (3), the gib head of couple (3) hooks reinforcing bar net piece (5) and fixed with reinforcing bar net piece (5) ligature, and expansion bolts (2), couple (3) and reinforcing bar net piece (5) pour as an organic wholely through terrace layer concrete.

2. The anti-hollowing structure for the terrace according to claim 1, wherein: the anchoring and pulling pieces are arranged in a quincunx shape, and the arrangement distance between every two adjacent anchoring and pulling pieces is 1000-1500 mm.

3. The anti-hollowing structure for the terrace according to claim 1, wherein: the bottom end of the expansion bolt (2) is inserted into a mounting hole drilled in the concrete base layer (1) and is fixedly connected with the concrete base layer through epoxy resin glue, and the top end of a sleeve (204) of the expansion bolt is flush with the top surface of the concrete base layer (1) and is tightly pressed through a gasket (202) and a nut (203).

4. The structure of claim 1, characterized in that: the top end of a bolt column (201) of the expansion bolt (2) is sleeved with threads, a lengthened nut (4) matched with the bolt column (201) is fixed at the bottom end of a hook handle of the hook (3), and the bolt column (201) is installed in the lengthened nut (4) in a threaded mode to connect the expansion bolt (2) and the hook (3) into a whole.

5. The anti-hollowing structure for the terrace according to claim 1, wherein: the top surface of the concrete base layer (1) is a napped surface.