CN214220264U

CN214220264U - Beam formwork shell and disassembly-free formwork reinforced concrete beam

Info

Publication number: CN214220264U
Application number: CN202021043962.2U
Authority: CN
Inventors: 张宗军; 王琼; 任刚; 马勇; 杨帆
Original assignee: Anhui Hailong Construction Industry Co Ltd
Current assignee: Anhui Hailong Construction Industry Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-09-17
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a roof beam mould shell and exempt from to tear open template reinforced concrete roof beam, including the concrete mould shell, be equipped with reinforcing bar net piece (2) in concrete mould shell (1), reinforcing bar net piece (2) shape is unanimous with concrete mould shell (1) shape, wear to be equipped with on concrete mould shell (1) and to drawing screw rod (3), threaded connection has fixation nut (4) on to drawing screw rod (3). The utility model realizes the cast-in-place concrete beam without formwork, reduces the process and material waste; the later period of the concrete beam is free from plastering and repairing, so that the working procedures are reduced, and the construction period is shortened; the structural performance is equal to that of a cast-in-place concrete beam, beam column joints are easy to process, construction quality is easy to guarantee, structural integrity is good, and safety and reliability are achieved.

Description

Beam formwork shell and disassembly-free formwork reinforced concrete beam

Technical Field

The utility model relates to a building technical field especially relates to a beam form shell and exempt from to tear open template reinforced concrete roof beam.

Background

The reinforced concrete beam can be divided into a cast-in-place concrete beam and a precast concrete beam according to a construction method. In the construction of a cast-in-place concrete structure, the construction process sequence of the on-site concrete beam is approximately as follows: binding the reinforcing bars of the beam, casting concrete of the beam, maintaining and removing the template. The process needs a large amount of template engineering, a wood template is generally adopted in the construction site at present, and the problems of material waste and pollution are caused due to low turnover times of the wood template; because the support of the template is insufficient, the problem of template expansion and slurry leakage is easily caused when concrete is poured; the forming quality of the component is difficult to control, the later-stage field still needs to be treated by plastering and the like, the construction procedures are more, and the construction period is prolonged. The beams of the fabricated structure are generally constructed in a factory prefabrication and field assembly mode, the process is difficult to install due to the fact that reinforcing steel bars in joint areas of the beams and the columns are dense in the construction process, construction quality of joint positions of components is difficult to guarantee, numerous abutted seams are difficult to process, and structural integrity is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a beam formwork and a disassembly-free formwork reinforced concrete beam.

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

a beam formwork shell comprises a concrete formwork shell, wherein a steel bar mesh is arranged in the concrete formwork shell, and the shape of the steel bar mesh is consistent with that of the concrete formwork shell.

Preferably, the steel mesh sheet is a double-layer bidirectional steel mesh or a double-layer bidirectional steel mesh.

Preferably, the concrete form is divided into an L shape and a U shape according to the use position and the use requirement.

Preferably, the concrete formwork is provided with a counter-pulling screw rod in a penetrating manner, and the counter-pulling screw rod is connected with a fixing nut in a threaded manner.

The reinforced concrete beam with the disassembly-free template comprises a beam formwork shell, wherein a concrete beam reinforcement cage is arranged in the beam formwork shell, a reinforcement layer which is vertical to the beam formwork shell is arranged above the beam formwork shell, and a cast-in-place concrete floor slab is poured on the concrete beam reinforcement cage and the reinforcement layer.

Preferably, a composite floor slab prefabricated bottom plate is installed above the beam formwork, the lower surface of the composite floor slab prefabricated bottom plate is connected with the upper surface of the beam formwork through a pre-buried steel plate connecting piece, and a composite floor slab cast-in-situ layer is poured on the composite floor slab prefabricated bottom plate.

Preferably, the embedded steel plate connecting pieces are connected through welding.

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

1. the utility model realizes the cast-in-place concrete beam without formwork, reduces the process and material waste;

2. the later period of the concrete beam is free from plastering and repairing, so that the working procedures are reduced, and the construction period is shortened;

3. the structural performance is equal to that of a cast-in-place concrete beam, beam column joints are easy to process, construction quality is easy to guarantee, structural integrity is good, and safety and reliability are achieved.

Drawings

Fig. 1 shows two typical cross-sectional forms of the present invention;

FIG. 2 is a schematic view of the present invention, which uses a split bolt for reinforcement;

fig. 3 is a schematic cross-sectional view of an exemplary embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of another exemplary embodiment of the present invention.

In the figure: the concrete formwork comprises a concrete formwork 1, a reinforcing mesh 2, a split screw 3, a fixing nut 4, a cast-in-place concrete floor 5, a concrete beam reinforcing cage 6, a composite floor precast bottom plate 7, a composite floor cast-in-place layer 8 and a pre-buried steel plate connecting piece 9.

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.

Referring to fig. 1-4, a beam form comprises a concrete form 1, the concrete form 1 is made of high strength concrete or fiber concrete, the inner side surface of the concrete form 1 is smooth or rough, when the high strength or fiber concrete is used, the concrete form 1 does not need to be provided with additional reinforcing measures, when the common concrete is adopted or according to the actual situation, a tie bolt can be arranged for reinforcing to prevent the form expansion when the concrete is poured, a steel bar net sheet 2 is arranged in the concrete form 1, the shape of the steel bar net sheet 2 which effectively improves the bearing capacity and the deformability is consistent with the shape of the concrete form 1, the steel bar net sheet 2 is a double-layer bidirectional steel bar net or a double-layer bidirectional steel wire net, the concrete form 1 is divided into an "L" shape and a "U" shape according to the use position and the use demand, a tie screw 3 is arranged on the concrete form 1 in a penetrating way, the split screw 3 is connected with a fixed nut 4 through threads.

The reinforced concrete beam with the disassembly-free template comprises a beam formwork, wherein a concrete beam reinforcement cage 6 is arranged in the beam formwork, a reinforcement layer which is vertical to the beam formwork is arranged above the beam formwork, and a cast-in-place concrete floor 5 is poured on the concrete beam reinforcement cage 6 and the reinforcement layer.

The composite floor slab prefabricated bottom plate 7 is installed above the beam formwork shell, the lower surface of the composite floor slab prefabricated bottom plate 7 is connected with the upper surface of the beam formwork shell through a pre-buried steel plate connecting piece 9, the pre-buried steel plate connecting piece 9 is connected through welding, a composite floor slab cast-in-situ layer 8 is poured on the composite floor slab prefabricated bottom plate 7, and the pre-buried steel plate connecting piece 9 is connected through welding.

In order to avoid the mold expansion in the concrete pouring process, the mode of pulling the screw rod 3 and the fixing nut 4 can be adopted for reinforcement as shown in fig. 2;

fig. 3 is a schematic view of a typical embodiment in which the floor is a cast-in-place concrete floor, and after the concrete beam formwork is installed in place, the tied beam reinforcement cage 6 is placed in the beam formwork, the cast-in-place concrete floor reinforcements are arranged, and the cast-in-place concrete floor 5 is poured;

fig. 4 is a schematic view of another exemplary embodiment, in which the floor slab is a concrete composite floor slab, the composite floor slab prefabricated base plate 7 is installed after the concrete beam formwork 1 is installed in place, the lower surface of the end of the composite floor slab prefabricated base plate 7 is connected with the embedded steel plate connecting piece 9 embedded in the upper surface of the concrete beam formwork 1 through welding, after the connection and the fixation are completed, the bound beam reinforcement cage 6 is placed in the beam formwork, the steel bars of the cast-in-situ layer of the composite floor slab are arranged, and the cast-in-situ layer 8 of the composite floor slab is poured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The beam formwork shell comprises a concrete formwork (1) and is characterized in that a reinforcing mesh (2) is arranged in the concrete formwork (1), the shape of the reinforcing mesh (2) is consistent with that of the concrete formwork (1), a counter-pull screw rod (3) penetrates through the concrete formwork (1), and a fixing nut (4) is connected to the counter-pull screw rod (3) in a threaded manner.

2. A beam formwork according to claim 1, wherein the mesh reinforcement (2) is a double layer bidirectional mesh reinforcement or a double layer bidirectional wire mesh.

3. A beam formwork according to claim 2, wherein the concrete formwork (1) is divided into an "L" shape and a "U" shape according to the use position and the use requirement.

4. The reinforced concrete beam with the disassembly-free template comprises a beam formwork shell and is characterized in that a concrete beam reinforcement cage (6) is arranged in the beam formwork shell, a reinforcement layer which is perpendicular to the beam formwork shell is arranged above the beam formwork shell, and a cast-in-place concrete floor (5) is poured on the concrete beam reinforcement cage (6) and the reinforcement layer.

5. The non-dismantling formwork reinforced concrete beam as recited in claim 4, wherein a composite floor slab prefabricated bottom plate (7) is installed above the beam formwork, the lower surface of the composite floor slab prefabricated bottom plate (7) and the upper surface of the beam formwork are connected through a pre-embedded steel plate connecting piece (9), and a composite floor slab cast-in-situ layer (8) is poured on the composite floor slab prefabricated bottom plate (7).

6. The demolition-free formwork reinforced concrete beam as recited in claim 5, wherein the embedded steel plate connectors (9) are connected by welding.