CN220686460U - Prefabricated laminated slab with reserved hole - Google Patents
Prefabricated laminated slab with reserved hole Download PDFInfo
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- CN220686460U CN220686460U CN202321199806.9U CN202321199806U CN220686460U CN 220686460 U CN220686460 U CN 220686460U CN 202321199806 U CN202321199806 U CN 202321199806U CN 220686460 U CN220686460 U CN 220686460U
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- 238000011065 in-situ storage Methods 0.000 claims abstract description 34
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 44
- 239000000463 material Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to the technical field of fabricated buildings, in particular to a prefabricated laminated slab with a reserved hole, which comprises a prefabricated laminated slab body and a reserved hole template, wherein the prefabricated laminated slab body comprises a prefabricated layer and a cast-in-situ layer which are overlapped up and down, the bottom end of the reserved hole template is embedded in concrete of the prefabricated layer, the top end of the reserved hole template extends to the cast-in-situ layer, and the top end of the reserved hole is higher than the upper surface of the cast-in-situ layer. Through pre-buried reserved hole template in prefabricated layer of prefabricated superimposed sheet, reserved hole template can be according to the required floor hole size of actual equipment pipeline preformed, can regard as the pouring template of pipeline hole when cast-in-place layer cast-in-place concrete, realizes convenient cast-in-place, can guarantee simultaneously that the accuracy of reserved hole size is reliable, realizes the standardized construction of pipeline hole. In addition, the top end of the reserved hole is higher than the upper surface of the cast-in-situ layer, so that concrete can be effectively prevented from flowing into the pipeline hole when the cast-in-situ layer is poured.
Description
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to a prefabricated laminated slab with reserved holes.
Background
The prefabricated laminated slab is one of prefabricated components commonly used in the fabricated building, and through industrial production and on-site assembly construction, most supports and templates on a construction site can be avoided, on-site manual operation is reduced, the bottom surface of a floor slab is smooth, and the quality of the components is high. In many public buildings, because air conditioners, electric and equipment pipelines and the like need to pass through between an upper layer and a lower layer, a large number of holes are reserved in the floor, inconvenience is brought to the production and construction of the prefabricated laminated slab, the holes are chiseled out on site after part of the buildings are integrally poured, time and labor are wasted, a large amount of construction waste and dust pollution are caused, the floor is damaged to a certain extent, and later repair is needed.
Disclosure of Invention
The utility model aims to provide a prefabricated laminated slab with a reserved hole, which at least solves one of the technical problems caused by the hole opening of the prefabricated laminated slab in the prior art.
In order to achieve the above purpose, the utility model provides a prefabricated laminated slab with a reserved hole, which comprises a prefabricated laminated slab body and a reserved hole template, wherein the prefabricated laminated slab body comprises a prefabricated layer and a cast-in-situ layer which are overlapped up and down, the bottom end of the reserved hole template is embedded in concrete of the prefabricated layer, the top end of the reserved hole template extends to the cast-in-situ layer, and the top end of the reserved hole is higher than the upper surface of the cast-in-situ layer.
Optionally, the reserved hole template is formed by connecting a plurality of side plates end to end in a surrounding manner.
Optionally, the reserved hole template is square.
Optionally, the reserved hole template is cylindrical.
Optionally, the material of reserving the entrance to a cave template is plastics, reserving the entrance to a cave template for integrative injection moulding.
Optionally, the reserved hole template is made of steel, and the reserved hole template is welded and formed.
Optionally, a plurality of connecting pieces are fixed on the lateral surface of the reserved hole template, one end of each connecting piece is connected with the reserved hole template, and the other end extends into the concrete of the prefabricated layer.
Optionally, the other end of the connecting piece is also provided with an anchor plate.
Optionally, a plurality of stiffening plates are further fixed on the outer side face of the reserved hole template, one part of the stiffening plates is located in the concrete of the prefabricated layer, and the other part of the stiffening plates is located in the cast-in-situ layer.
Optionally, a plurality of reinforcing steel bars are further arranged around the reserved hole template, and the reinforcing steel bars are pre-buried in the concrete of the prefabricated layer
In the prefabricated laminated slab with the reserved hole, the prefabricated laminated slab has at least one of the following beneficial effects:
1) The reserved hole templates are pre-buried in the prefabricated layers of the prefabricated laminated slab, and can be processed and formed in advance according to the floor hole sizes required by actual equipment pipelines, and can be used as pouring templates of pipeline holes when cast-in-situ concrete is cast in the cast-in-situ layers, so that convenient and fast on-site pouring is realized, meanwhile, the accuracy and reliability of the reserved hole sizes can be ensured, and standardized construction of the pipeline holes is realized;
2) The top end of the reserved hole is higher than the upper surface of the cast-in-situ layer, so that concrete can be effectively prevented from flowing into the pipeline hole when the cast-in-situ layer is poured, and the outer surface of the cast-in-situ layer is usually required to be used as a building surface layer, and the height of the reserved hole higher than the cast-in-situ layer can be designed to be flush with the final building surface layer so as to ensure the overall attractiveness;
3) The connecting piece is fixed on the outer side face of the reserved hole template, so that on one hand, the installation stability of the reserved hole template can be ensured, the integrity of the prefabricated laminated slab is better, and on the other hand, the prefabricated laminated slab can be used as a stress reinforcing steel bar of a cast-in-situ layer, and the stress performance of the whole prefabricated laminated slab is improved;
4) The stiffening plate is further fixed on the outer side face of the reserved hole template, so that the rigidity of the prefabricated laminated slab can be enhanced, the stress performance is improved, and the reserved hole template is prevented from deforming during concrete pouring.
5) The periphery of the reserved hole template is also provided with a plurality of reinforcing steel bars, so that the prefabricated laminated slab can be weakened and reinforced due to hole opening.
Drawings
Those of ordinary skill in the art will appreciate that the figures are provided for a better understanding of the present utility model and do not constitute any limitation on the scope of the present utility model. Wherein:
FIG. 1 is a schematic structural view of a prefabricated laminated slab with reserved holes according to an embodiment of the present utility model;
FIG. 2 is a top view of a preformed stack of reserved holes according to an embodiment of the present utility model;
FIG. 3 is a block diagram of a reserved hole template according to one embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a preformed stack of holes provided in an embodiment of the present utility model;
FIG. 5 is a schematic view of a cast-in-situ structure of a prefabricated laminated slab with a reserved hole according to an embodiment of the present utility model;
fig. 6 is a schematic view of the arrangement of internal reinforcing steel bars of a prefabricated laminated slab with reserved holes according to an embodiment of the present utility model.
In the accompanying drawings:
1-reserving an opening template; 2-prefabricating a layer; 3-a cast-in-situ layer; 4-connecting piece; 5-an anchor plate; 6-stiffening plates; 7-reinforcing steel bars.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the understanding and reading of the present disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by the present disclosure, should fall within the scope of the present disclosure under the same or similar circumstances as the effects and objectives attained by the present utility model.
As used in this disclosure, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in its sense including "two or more", unless the content clearly dictates otherwise. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" may include one or at least two such features, either explicitly or implicitly.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 is a schematic structural view of a prefabricated laminated slab with reserved holes according to an embodiment of the present utility model; FIG. 2 is a top view of a preformed stack of reserved holes according to an embodiment of the present utility model; FIG. 3 is a block diagram of a reserved hole template according to one embodiment of the present utility model; FIG. 4 is a cross-sectional view of a preformed stack of holes provided in an embodiment of the present utility model; FIG. 5 is a schematic view of a cast-in-situ structure of a prefabricated laminated slab with a reserved hole according to an embodiment of the present utility model; fig. 6 is a schematic view of the arrangement of internal reinforcing steel bars of a prefabricated laminated slab with reserved holes according to an embodiment of the present utility model.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a prefabricated laminated slab with a reserved hole according to an embodiment of the utility model. The embodiment provides a prefabricated laminated slab with a reserved hole, which comprises a prefabricated laminated slab body and a reserved hole template 1, wherein the prefabricated laminated slab body comprises a prefabricated layer 2 and a cast-in-situ layer 3 which are overlapped up and down, the bottom end of the reserved hole template 1 is embedded in concrete of the prefabricated layer 2, the top end of the reserved hole template extends to the cast-in-situ layer 3, and the top end of the reserved hole is higher than the upper surface of the cast-in-situ layer 3.
Through pre-buried reserved hole template 1 in prefabricated layer 2 of prefabricated superimposed sheet, reserved hole template 1 can be according to the required floor hole size of actual equipment pipeline preformed shaping, can regard as the pouring template of pipeline hole when cast-in-place layer 3 cast-in-place concrete, realizes convenient cast-in-place, can guarantee simultaneously that the accuracy of reserved hole size is reliable, realizes the standardized construction of pipeline hole.
Specifically, the prefabricated layer 2 of the prefabricated laminated slab body is used as a prefabricated component for factory processing, stress steel bars are arranged in the prefabricated layer, the prefabricated laminated slab body can be used as a bottom die of a floor slab in a building after being assembled, the working procedure of setting up a template on site is avoided, and the prefabricated laminated slab body can be used as a part of the building floor slab to participate in structural stress.
In this embodiment, the top end of the reserved hole template is higher than the upper surface of the cast-in-situ layer 3, so as to prevent concrete from flowing into the hole when the cast-in-situ layer 3 is poured. In addition, the outer surface of the cast-in-situ layer 3 is usually required to be used as a building surface layer, and the height of the reserved hole higher than the cast-in-situ layer 3 can be designed to be flush with the final building surface layer so as to ensure the overall aesthetic property. Of course, if the building surface layer is not required, the top end of the reserved hole template can be designed to be flush with the upper surface of the cast-in-situ layer 3, which is not limited in this application.
As a preferred example in this embodiment, the reserved hole template 1 is formed by connecting a plurality of side plates end to end, that is, the reserved hole template 1 has no top plate and no bottom plate, so as to facilitate the beam penetration of the pipeline.
Alternatively, the preformed hole template 1 is square or cylindrical.
Alternatively, the reserved hole template 1 may be made of plastic, such as PVC, or steel, which is not limited in this application. When the material of reserving hole template 1 adopts the plastics material, accessible mode of moulding plastics will reserve hole template 1 machine-shaping, and when reserving hole template 1 and adopting the steel material, the mode machine-shaping of reserving hole template 1 accessible welded.
Referring to fig. 3-4, a plurality of connecting pieces 4 are fixed on the outer side surface of the reserved hole template 1, one end of each connecting piece 4 is connected with the reserved hole template 1, and the other end extends into the concrete of the prefabricated layer 2. The connecting piece 4 can ensure the installation stability of the reserved hole template 1 on one hand, so that the integrity of the prefabricated laminated slab is better, and can also be used as a stress reinforcing steel bar of the cast-in-situ layer 3 on the other hand, so that the stress performance of the whole prefabricated laminated slab is improved.
In this embodiment, the reserved hole template 1 is square and is formed by enclosing four side plates, each side plate is provided with two connecting pieces 4, and the connecting pieces 4 are rod-shaped and are vertically connected with the side plates. Of course, according to the shape and the size of the reserved hole template 1, the number and the distribution positions of the connecting pieces 4 can be correspondingly adjusted, which is not limited in the application.
Preferably, the other end of the connecting piece 4 is also provided with an anchor plate 5. The purpose of the design anchor plate 5 is to increase the connection strength of the reserved hole template 1 and the prefabricated layer 2, and further improve the installation stability of the reserved hole template 1. In this embodiment, the anchoring plate 5 has a disc shape with a diameter larger than that of the connecting member 4 to increase the contact area with the preformed layer 2.
Preferably, a plurality of stiffening plates 6 are also fixed on the outer side face of the reserved hole template 1, one part of the stiffening plates 6 is positioned in the concrete of the prefabricated layer 2, and the other part is positioned in the cast-in-situ layer 3. Through set up stiffening plate 6 on reserving hole die plate 1's lateral surface, can strengthen the rigidity of prefabricated superimposed sheet, promote the atress performance, guarantee to reserve hole die plate 1 and do not take place to warp when concrete placement.
In this embodiment, three stiffening plates 6 are disposed on each side plate, the stiffening plates 6 and the connecting members 4 are alternately disposed, and the stiffening plates 6 and the connecting members 4 are vertically connected with the side plates. Similarly, according to the shape and the size of the reserved hole template 1, the number and the distribution positions of the stiffening plates 6 can be correspondingly adjusted, which is not limited in the application.
Preferably, the reserved hole templates 1, the stiffening plates 6 and the connecting pieces 4 are made of plastic materials, and can be integrally formed by injection molding, or made of steel and connected by welding.
Preferably, referring to fig. 6, a plurality of reinforcing steel bars 7 are further arranged around the reserved hole template 1, the reinforcing steel bars 7 are embedded in the concrete of the prefabricated layer 2, and the reinforcing steel bars 7 can play a reinforcing role in weakening the prefabricated laminated slab due to hole opening. In this embodiment, a plurality of reinforcing bars 7 are respectively distributed in the prefabricated layer 2 in the transverse direction and the longitudinal direction,
in summary, the embodiment of the utility model provides a prefabricated laminated slab with a reserved hole, by embedding the reserved hole template 1 in the prefabricated layer 2 of the prefabricated laminated slab, the reserved hole template 1 can be processed and formed in advance according to the floor hole size required by an actual equipment pipeline, and can be used as a pouring template of the pipeline hole when the cast-in-place layer 3 is used for casting concrete in situ, so that convenient and fast on-site pouring is realized, the accuracy and reliability of the reserved hole size can be ensured, and the standardized construction of the pipeline hole is realized.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the present utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, the present utility model is intended to include such modifications and alterations insofar as they come within the scope of the utility model or the equivalents thereof.
Claims (10)
1. The utility model provides a prefabricated superimposed sheet of reservation entrance to a cave, its characterized in that includes prefabricated superimposed sheet body and reserves the entrance to a cave template, prefabricated superimposed sheet body includes superimposed prefabricated layer and cast-in-situ layer from top to bottom, the bottom of reserving the entrance to a cave template is pre-buried in the concrete of prefabricated layer, the top extends to the cast-in-situ layer, just the top of reserving the entrance to a cave is higher than the upper surface of cast-in-situ layer.
2. The preformed superimposed sheet of reserving holes as claimed in claim 1, wherein the reserving hole template is formed by a plurality of side plates which are connected end to end in a surrounding manner.
3. The preformed superimposed sheet of preformed holes of claim 2, wherein said preformed hole pattern is square.
4. The preformed superimposed sheet of claim 1, wherein the preformed hole pattern is cylindrical.
5. A preformed stack according to any of claims 1-4, characterised in that the preformed opening forms are made of plastic and are injection molded in one piece.
6. A preformed stack according to any of claims 1-4, characterised in that the preformed opening forms are made of steel and are welded.
7. The prefabricated laminated slab with reserved holes according to claim 1, wherein a plurality of connecting pieces are fixed on the outer side face of the reserved hole template, one ends of the connecting pieces are connected with the reserved hole template, and the other ends of the connecting pieces extend into concrete of the prefabricated layer.
8. The preformed stack of reserved openings according to claim 7, wherein the other end of said connecting piece is further provided with an anchoring plate.
9. The prefabricated laminated slab with reserved holes according to claim 1, wherein a plurality of stiffening plates are further fixed on the outer side face of the reserved hole template, one part of the stiffening plates are positioned in the concrete of the prefabricated layer, and the other part of the stiffening plates are positioned in the cast-in-situ layer.
10. The prefabricated laminated slab with the reserved hole according to claim 1, wherein a plurality of reinforcing steel bars are further arranged around the reserved hole template, and the reinforcing steel bars are embedded in the concrete of the prefabricated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199806.9U CN220686460U (en) | 2023-05-17 | 2023-05-17 | Prefabricated laminated slab with reserved hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199806.9U CN220686460U (en) | 2023-05-17 | 2023-05-17 | Prefabricated laminated slab with reserved hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220686460U true CN220686460U (en) | 2024-03-29 |
Family
ID=90406011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199806.9U Active CN220686460U (en) | 2023-05-17 | 2023-05-17 | Prefabricated laminated slab with reserved hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220686460U (en) |
-
2023
- 2023-05-17 CN CN202321199806.9U patent/CN220686460U/en active Active
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