CN217782524U - Square box type filler anti-floating system for pouring hollow floor system - Google Patents

Abstract

The utility model discloses an anti system that floats of square chest type obturator for pouring hollow superstructure belongs to building engineering technical field, including square chest type obturator and the cushion block that is located superstructure template top, cushion block's bottom is equipped with the template tie coat that bonds with the superstructure template, and cushion block's top is equipped with the obturator tie coat that bonds with square chest type obturator bottom. Through template tie coat and obturator tie coat, just to bond supporting pad, superstructure template and square chest type obturator fixedly, form effective connection between location cushion, superstructure template, square chest type obturator, avoid pouring in-process square chest type obturator to appear floating and the problem of side shifting, and this anti-floating system of box obturator can accomplish the location of the vertical and horizontal direction of hollow building box through location cushion, template tie coat and obturator tie coat, and the locate mode is simple, and the construction procedure is not loaded down with trivial details.

Description

Square box type filler anti-floating system for pouring hollow floor system

Technical Field

The utility model relates to a building engineering technical field especially relates to an anti system of floating of square chest type obturator for pouring hollow superstructure.

Background

The hollow floor system is a novel floor system which is formed by implanting a square box-shaped filling body into a floor system on the basis of the traditional flat slab and is provided with a top plate, a bottom plate and an internal cavity. The hollow floor adopts the measures of reasonable section shape, shortening of force transmission path, increase of plate thickness and the like, so that structural parameters are optimized to a certain extent, and therefore the hollow floor has the remarkable advantages of material saving, construction period shortening, green and low carbon, heat preservation and sound insulation, cost reduction and the like on the premise of ensuring safety. At present, the hollow floor structure is widely applied to the fields of industrial and civil buildings in China, and is particularly suitable for multi-story and high-rise buildings with large space, large load and large span.

During the concrete pouring, the fixed filling position of the square box-shaped filling body is a key technology for ensuring the engineering quality of the hollow floor. At the present stage, the main flow measure is to punch the template first, then fix square box type obturator and template through the steel wire to directly pour, nevertheless pour the in-process because lack effective connection between cushion, template, the square box type obturator, the side shift appears in the square box type obturator and the come-up problem is comparatively general, therefore the efficiency of construction is difficult to guarantee. Therefore, the invention patent with the patent number of 201410110292.4 and the patent name of 'a gypsum mold box anti-floating construction process and a casting mold structure' discloses a method for solving the problems that a square box type filling body is easy to float upwards and laterally move in the casting process, and the method comprises the steps of firstly arranging positioning ribs on the periphery of a gypsum mold box to limit the horizontal sliding of the gypsum mold box, then transmitting the buoyancy force on the gypsum mold box to the anti-floating ribs through positioning cushion blocks on the top of the gypsum mold box, and transmitting the buoyancy force to the anti-floating ribs through pull ribs to a bottom rib net fixed on a template, so that the gypsum mold box is prevented from floating upwards. However, in the above method: 1. the positioning cushion block and the gypsum mold box are not effectively connected, the positioning cushion block is easy to move in the pouring process, once the positioning cushion block is separated from the position between the gypsum mold box and the anti-floating ribs, the gypsum mold box cannot be restrained at all, and the gypsum mold box floats upwards; 2. the construction method is complex, the construction steps are multiple and the construction method is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, the utility model provides a square chest type obturator anti-floating system for pouring hollow superstructure, it is fixed with superstructure template and square chest type obturator to bond through template tie coat and the obturator tie coat on the location cushion, alright effectively at the location cushion, the superstructure template, form effective connection between the square chest type obturator, avoid pouring in-process square chest type obturator to appear floating and the problem of side shifting, and this square chest type obturator anti-floating system can accomplish the vertical and horizontal direction's of hollow building box location through location cushion, template tie coat and obturator tie coat, locate mode is simple, the construction step is not loaded down with trivial details.

In order to achieve the above object, the utility model provides a following scheme: the utility model discloses an anti system that floats of square chest type obturator for pouring hollow superstructure, including square chest type obturator and the lip block that is located superstructure template top, the bottom of lip block be equipped with the template tie coat that the superstructure template bonded, the top of lip block be equipped with the obturator tie coat that square chest type obturator bottom bonded.

Preferably, the formwork bonding layer and the filler bonding layer are mortar bonding layers.

Preferably, the tensile bonding strength of the template bonding layer and the filling body bonding layer is more than or equal to 0.5MPa.

Preferably, the shear bonding strength of the template bonding layer and the filler bonding layer is more than or equal to 0.3MPa.

Preferably, the device further comprises a positioning cushion block, and the top and the bottom of the positioning cushion block are respectively abutted with the bottom of the upper flange tension steel bar and the top of the square box type filling body.

Preferably, a tie bar for tensioning the upper and lower flange tensioning bars is further included.

Preferably, the square box type filling body is a plaster mold box.

The utility model discloses for prior art gain following technological effect:

1. the utility model discloses in filler tie coat and the template tie coat through lip block top and bottom, alright realize the location with square chest type filler and superstructure template bonding respectively, avoid concreting in-process square chest type filler to appear the side and move or the come-up, adopt this formula box filler anti-floating system, need not additionally to set up horizontal positioning mechanism, can accomplish the vertical and horizontal direction's of hollow building box location through the locating pad, locate mode is simple, the construction step is not loaded down with trivial details.

2. The utility model discloses in fill in between the top of square box type obturator and the upper limb tension reinforcing bar and have fixed a position the cushion, can further fix a position the other side box type obturator.

3. The utility model discloses in through setting up the drawknot muscle that taut top flange was drawn reinforcing bar and bottom flange was drawn reinforcing bar, the coupling is the positioning cushion block can effectively strengthen the top flange and is drawn the bulk connectivity between reinforcing bar and the bottom flange and draw the reinforcing bar, and square box type obturator 1 resists the come-up and moves the ability with the side during further improvement concrete placement, effectively solves square box type obturator and goes up to float and the problem of moving of side, guarantees the engineering quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a square box type filling body anti-floating system for casting a hollow floor.

Description of the reference numerals: 1. a square box-shaped filling body; 2. supporting the cushion block; 3. floor formwork; 4. a template bonding layer; 5. a filler bonding layer; 6. positioning a cushion block; 7. the upper flange tension steel bar; 8. the lower flange tension steel bar; 9. and (5) stretching the ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The embodiment discloses an anti system that floats of square box type obturator for pouring hollow superstructure, as shown in fig. 1, including square box type obturator 1 and lip block 2, the bottom of lip block 2 is equipped with template tie coat 4, the lip block 2 bonds in the top of superstructure template 3 through template tie coat 4, the top of lip block 2 is equipped with obturator tie coat 5, square box type obturator 1 passes through obturator tie coat 5 to be fixed at the top of lip block 2, thereby form effective connection between square box type obturator 1, lip block 2 and superstructure template 3, prevent when concreting, because of impact force and lift lead to square box type obturator 1 side to shift and come-up.

The construction steps are as follows:

the method comprises the following steps: laying a floor formwork 3, wherein the floor formwork is required to be flat and have no dislocation when being laid;

step two: binding a lower flange stressed steel bar 8, wherein the thickness of a protective layer meets the design requirement;

step three: adopting an adhesive to effectively bond the supporting cushion block 2 with the bottom floor formwork 3;

step four: fully pre-wetting the square box type filling body 1, and ensuring that the natural water absorption rate of the square box type filling body 1 is not more than 5%; bonding the supporting cushion block 2 and the square box-shaped filler 1 by using an adhesive;

step five: binding an upper flange stressed steel bar 7, wherein the thickness of a protective layer meets the design requirement;

step six: the slump of the concrete is preferably 180-220mm, and when the thickness of the bottom layer poured concrete is within 60mm, fine stone (the grain diameter is within 16 mm) concrete is adopted; when the thickness is more than or equal to 70mm, common concrete can be adopted;

step seven: pouring concrete, pouring ribs, pouring twice and forming once, wherein the first pouring cannot exceed about 2/5 of the thickness of the whole hollow floor, and the second pouring is completed before initial setting; during vibration, the square box type filler 1 is vertically inserted, quickly inserted, slowly pulled out, not close to a square box type filler 1, not close to a reinforcing steel bar, not close to other embedded parts, not leaked vibration, and easily forming holes due to leaked vibration, and the vibration time is the same as that of a common concrete slab, so that bubbles are not generated, the bubbles do not sink remarkably, and the slurry starts to spread accurately, thereby being beneficial to anti-floating treatment, air removal and guarantee of dense bottom concrete.

In this embodiment, as shown in fig. 1, both the formwork adhesive layer 4 and the filler adhesive layer 5 are mortar adhesive layers. Namely, the adhesive adopts bonding mortar.

Further, in this example, as shown in FIG. 1, the tensile bonding strength between the template bonding layer 4 and the filler bonding layer 5 was not less than 0.5MPa.

Further, in this example, as shown in FIG. 1, the shear bonding strength between the template bonding layer 4 and the filler bonding layer 5 was not less than 0.3MPa.

In this embodiment, as shown in fig. 1, the top and bottom of the positioning block 6 are respectively abutted against the bottom of the upper flange tension bar 7 and the top of the square box-shaped filling body 1.

Further, in the present embodiment, as shown in fig. 1, a tie bar 9 for tightening the upper flange tension bar 7 and the lower flange tension bar 8 is further included. Through the effects of the coupling tie bars 9, the positioning cushion blocks 6 and the like, the overall connectivity between the upper flange tension steel bars 7 and the lower flange tension steel bars 8 is effectively enhanced, the upward floating and side shifting resisting capacity of the square box type filling body 1 during concrete pouring is further improved, the problems of upward floating and side shifting of the square box type filling body 1 are effectively solved, and the engineering quality is ensured.

The construction steps are as follows:

the method also comprises the following steps between the fifth step and the sixth step: the tie bars 9 are adopted to cooperate with the positioning cushion blocks 6, so that the overall connectivity between the upper flange tension steel bars 7 and the lower flange tension steel bars 8 is effectively enhanced, the floating and side shifting resistance of the gypsum mold box is further improved, and the engineering quality is ensured;

in this embodiment, as shown in fig. 1, the square box-shaped packing body 1 is a plaster mold box. The phosphogypsum is prefabricated into the gypsum mold box, belongs to a green low-carbon type filler, is used for a hollow floor system, can fully show the remarkable advantages of green, low carbon, waste utilization, material saving, construction period shortening, cost reduction and the like, can effectively boost the high-quality and large-scale utilization of the phosphogypsum, creates good economic benefit and environmental benefit, and is a technical path with great innovation. Of course, the square box-shaped filler 1 is not limited to be a gypsum mold box, and other square box-shaped fillers such as a laminated box, a cement mortar thin-wall square box, a plastic thin-wall square box and the like can be adopted in the market.

The utility model discloses a specific example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (7)

1. The square box type filler anti-floating system for pouring the hollow floor is characterized by comprising a square box type filler and a supporting cushion block positioned above a floor formwork, wherein a formwork bonding layer bonded with the floor formwork is arranged at the bottom of the supporting cushion block, and a filler bonding layer bonded with the bottom of the square box type filler is arranged at the top of the supporting cushion block.

2. The square box type filling body anti-floating system for pouring the hollow floor system according to claim 1, wherein the template bonding layer and the filling body bonding layer are mortar bonding layers.

3. The square box type filling body anti-floating system for pouring the hollow floor system as claimed in claim 2, wherein the tensile bonding strength of the template bonding layer and the filling body bonding layer is greater than or equal to 0.5MPa.

4. The square box type filling body anti-floating system for pouring the hollow floor system according to claim 3, wherein the shear bonding strength of the template bonding layer and the filling body bonding layer is more than or equal to 0.3MPa.

5. The square box type filling body anti-floating system for casting the hollow floor as claimed in claim 1, further comprising a positioning cushion block, wherein the top and the bottom of the positioning cushion block are respectively abutted against the bottom of the upper flange tension steel bar and the top of the square box type filling body.

6. The square box type filling body anti-floating system for casting the hollow floor as claimed in claim 5, further comprising tie bars for tensioning the upper flange tension bars and the lower flange tension bars.

7. The square box type filling body anti-floating system for pouring the hollow floor system as claimed in claim 1, wherein the square box type filling body is a gypsum mold box.

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