CN220768145U - Prefabricated foundation beam and prefabricated foundation - Google Patents
Prefabricated foundation beam and prefabricated foundation Download PDFInfo
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- CN220768145U CN220768145U CN202322531984.3U CN202322531984U CN220768145U CN 220768145 U CN220768145 U CN 220768145U CN 202322531984 U CN202322531984 U CN 202322531984U CN 220768145 U CN220768145 U CN 220768145U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims description 17
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000011449 brick Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of constructional engineering, and particularly discloses a prefabricated foundation beam and a prefabricated foundation. The technical scheme is used for solving the problem that the binding of transverse and longitudinal steel bars on the foundation beam and the vertical force transmission type component is difficult in the prior art, and the problems of large wet operation workload and large environmental pollution in on-site concrete pouring are solved.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a prefabricated foundation beam and a prefabricated foundation.
Background
Although the prefabricated building is accepted by the building market gradually, the current prefabricated assembly process is still limited to an upper structure, such as a prefabricated wall body, a prefabricated stair, a prefabricated laminated slab and the like, the foundation part of the building is mainly a cast-in-place process, and a series of working procedures of formwork supporting, steel bar binding, concrete pouring and the like in the cast-in-place process greatly occupy the construction time; and the excavation amount and the backfill amount are larger, and the construction cost is higher. If the brick moulding bed is adopted in the process, the brick moulding bed can not be recycled, materials are wasted, and the wet operation workload of concrete pouring is large, so that the environmental pollution is large. In addition, before the foundation beam is poured with concrete, the longitudinal steel bars on the steel bar skeleton of the foundation beam and the steel bar skeleton on the vertical force transmission component (such as a bearing platform or an independent foundation) are required to be bound, but the transverse steel bars and the longitudinal steel bars on the steel bar skeleton on the independent foundation are dense, so that the binding of the steel bars on the foundation beam and the vertical force transmission component is difficult, and the quality control is not facilitated.
Disclosure of Invention
The utility model aims to provide a prefabricated foundation beam, which solves the problems of difficult binding of transverse and longitudinal steel bars on foundation beams and vertical force transmission members and the problems of large wet work workload and large environmental pollution in on-site concrete pouring in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prefabricated foundation beam, includes the concrete beam body that contains the framework of steel reinforcement, and the framework of steel reinforcement is fixed with the connecting plate at the tip one section of beam body length direction, and a section fixed connection that the connecting plate is close to the beam body is simultaneously kept away from to a section that the connecting plate was used for being connected with the first connecting piece on the vertical biography power class component to many reinforcements on the framework of steel reinforcement.
The principle and the advantages of the scheme are as follows: when the scheme is adopted, the connecting plate and a plurality of steel bars of the steel bar framework on the foundation beam are fixed (such as welded) before the foundation beam is poured, then the foundation beam is poured in a factory, and the prefabricated foundation beam is manufactured after pouring is completed. When the prefabricated foundation beam is transferred to a construction site for installation, only the connecting plate of the beam body extending out of the prefabricated foundation beam is required to be connected with the first connecting piece on the vertical force transmission type component, the whole process is free of binding of a plurality of reinforcing steel bars on the foundation beam and a plurality of reinforcing steel bars on the vertical force transmission type component (bearing platform or independent foundation) in the prior art, so that an operation mode is greatly simplified, and the connecting mode of the connecting plate and the reinforcing steel bar framework on the foundation beam is simple and convenient, so that the dimensional precision and the position precision of the connecting plate and the reinforcing steel framework can be better controlled, and the construction quality is improved.
In addition, this scheme is because of adopting the form of prefabricated foundation beam with the foundation beam for when the foundation beam installation, on-the-spot excavation only need can put down the foundation beam can, need not to use the brick bed-jig, also need not prior art and excavate bigger foundation ditch for guaranteeing the installation of brick bed-jig, and then reduced the excavation volume, also reduced the backfill volume.
Preferably, as an improvement, after the connecting plate is connected with the first connecting piece on the vertical force transmission component, the connecting plate is located above the first connecting piece.
The beneficial effects are that: the connecting plate is arranged above the first connecting piece, so that the foundation beam can be conveniently connected with the first connecting piece only by being placed downwards, and the operation is simple and convenient.
Preferably, as an improvement, the connecting plate comprises a horizontal section and a vertical section which are mutually vertical, the horizontal section is fixedly connected with the steel reinforcement framework, and the vertical section is used for being connected with a first connecting piece on the vertical force transmission component. The scheme is simple in structure, easy to manufacture and convenient for the connection plate to be connected with the first connecting piece in a matched mode.
Preferably, as a modification, each side of the beam body is provided with at least two connecting plates positioned at different heights.
The beneficial effects are that: according to the scheme, at least two connecting plates with different heights are arranged on the same side of the beam body, so that the connection strength of the foundation beam and the vertical force transmission type component is improved.
Preferably, as a modification, the lengths of the connecting plates adjacent to each other up and down are different, and the lengths of the connecting plates extending out of the beam body are shorter as the connecting plates are closer to the bottom of the beam body.
The beneficial effects are that: according to the scheme, through the difference of the upper and lower adjacent connecting plates in the height and the difference of the extending lengths of the beam body in the length direction, more than one connection part of the prefabricated foundation beam and the first connecting piece on the vertical force transmission type component (the bearing platform or the independent foundation) is ensured, and the connection stability of the prefabricated foundation beam and the vertical force transmission type component is further improved; in addition, in the process of downwards placing the foundation beam to be connected with the vertical force transmission type component, the interval requirement between the foundation beam and the vertical force transmission type component is low in the downwards moving process of the connecting plate below, and during construction, the first connecting pieces with different heights on the vertical force transmission type component can not cause any influence on the lowering of the foundation beam, so that the simple rapidity of the connection of the foundation beam and the vertical force transmission type component is ensured.
Preferably, as a modification, the width of the connection plate is narrower than the width of the beam body. So that the connecting plate can be more conveniently connected with the first connecting piece, and the difficulty of placing the prefabricated foundation beam is reduced.
The utility model also provides a prefabricated foundation, which comprises vertical force transmission members and foundation beams connected between the adjacent vertical force transmission members, wherein the vertical force transmission members are bearing platforms or independent foundations, the foundation beams are prefabricated foundation beams, and first connecting pieces used for being connected with connecting plates on the prefabricated foundation beams are fixed on the vertical force transmission members.
Preferably, as a modification, the first connecting member has an L-shaped plate structure.
Preferably, as an improvement, the vertical force-transmitting component is a prefabricated component, a post-pouring area is arranged on the prefabricated component, the post-pouring area is provided with a lateral opening and a top opening, a part of the first connecting piece is inserted into the prefabricated component, and a part of the first connecting piece extending out of the prefabricated component is positioned in the post-pouring area.
Preferably, as an improvement, the width of the connecting plate is smaller than the width of the post-cast area, and the lateral opening of the post-cast area can be blocked by the lateral end face of the foundation beam.
The prefabricated foundation comprising the prefabricated component and the prefabricated foundation beam provided by the utility model has the advantages that only the post-pouring area between the connecting plate extending out of the prefabricated foundation beam and the first connecting piece on the vertical force transmission component is required to be cast in situ, the cast-in-situ volume is small, the workload of wet operation is greatly reduced compared with the prior art, and compared with the traditional cast-in-situ process, the foundation construction working procedure and the on-site wet operation workload are reduced, the construction speed is accelerated, the labor cost is reduced, and the environmental pollution is also reduced.
In addition, the arrangement of the post-cast area capable of accommodating the first connecting piece ensures that the first connecting piece is protected during the storage and transportation of the prefabricated part on the one hand; on the other hand, through the setting of side direction opening and the open-top in post-cast region, both make things convenient for prefabricated foundation beam to place downwards, also make things convenient for behind vertical biography power class component and prefabricated foundation beam butt joint, the side face opening shutoff of post-cast region is followed to the side face terminal surface of prefabricated foundation beam, and then reduces the shutoff work load before post-cast region grout.
In addition, the width of the connecting plate is set smaller than the width of the post-pouring area, so that after the prefabricated foundation beam and the vertical force transmission type components are connected through the connecting plate and the first connecting piece, grouting can be directly performed in the post-pouring area through a width gap between the connecting plate and the post-pouring area, and the problems of cost improvement and influence on connection strength caused by independently forming grouting holes are avoided
Drawings
Fig. 1 is a schematic top view of a prefabricated foundation beam according to an embodiment of the present utility model.
Fig. 2 is a perspective view of fig. 1.
Fig. 3 is a front cross-sectional view of fig. 1.
Fig. 4 is a schematic top view of a prefabricated foundation comprising prefabricated foundation beams and prefabricated components in a foundation pit according to an embodiment of the present utility model.
Fig. 5 is a front cross-sectional view of fig. 4.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the prefabricated foundation beam 10, a beam body 1, a connecting plate 11, a reinforcement cage 12, a prefabricated foundation 100, prefabricated components 20, a first connecting piece 21 and a post-pouring area 22.
Examples
Referring to fig. 1 to 3, a prefabricated foundation beam 10 includes a concrete beam body 1 including a reinforcement cage 12, a connection plate 11 is fixed to a section of the reinforcement cage 12 at an end of the beam body 1 in a length direction, the connection plate 11 is in an L-shaped plate structure, a horizontal section of the connection plate 11 is used for being inserted into the beam body 1 and welded with the reinforcement cage 12 in the beam body 1 (specifically, a plurality of longitudinal reinforcements on the reinforcement cage 12 are welded with the horizontal section of the connection plate 11 at the same time), a vertical section of the connection plate 11 is located outside the beam body 1, and a vertical section of the connection plate 11 far from the beam body 1 is used for being connected with a first connection piece 21 on a vertical force transmission member, and the vertical force transmission member of this embodiment is an independent foundation or a bearing platform.
Referring to fig. 4, after the connection plate 11 is connected to the first connector 21 on the vertical force transmission member, the connection plate 11 is located above the first connector 21.
Each side of the beam body 1 is provided with at least two connecting plates 11 located at different heights, the number of the connecting plates 11 on the same side in this embodiment is two, the two connecting plates 11 on the same side are located at different heights and the lengths of the two connecting plates 11 extending out of the beam body 1 are different (i.e. the connecting plates 11 arranged up and down are staggered in the horizontal direction), and the extending lengths of the connecting plates 11 closer to the bottom of the beam body 1 are shorter.
In order to make it possible to connect the connection plate 11 more quickly and more easily with the first connection piece 21 on the vertical force-transmitting member, the connection plate 11 is arranged to have a width smaller than the width of the beam body 1.
Referring to fig. 4 to 5, this embodiment further provides a prefabricated foundation 100, which includes a vertical force-transferring prefabricated component 20 (simply referred to as prefabricated component 20) and the prefabricated foundation beam 10 connected between adjacent prefabricated components 20, where the vertical force-transferring prefabricated component 20 is a prefabricated bearing platform or a prefabricated independent foundation, and the prefabricated component 20 and the prefabricated foundation beam 10 are primarily connected through the connecting plate 11 and the first connecting piece 21 on the prefabricated component 20.
The periphery of the prefabricated component 20 is provided with post-cast areas 22, connecting lines between the diagonal post-cast areas 22 are mutually perpendicular, the two diagonal post-cast areas 22 are symmetrical about the center of the vertical force transmission type prefabricated component 20, each post-cast area 22 is provided with a lateral opening and a top opening, and the lateral opening of the post-cast area 22 can be blocked by the lateral end face of the prefabricated foundation beam 10. So that the prefabricated elements 20 can form a connection with at most four prefabricated foundation beams 10 in the post-cast region 22.
In this embodiment, the first connecting piece 21 on the prefabricated part 20 is also in an L-shaped plate structure, the horizontal section of the first connecting piece 21 is used for being inserted into the prefabricated part 20 and welded with the reinforcement cage 12 in the prefabricated part 20, and the vertical section of the first connecting piece 21 extends into the post-cast region 22 and can be connected with the connecting plate 11 of the prefabricated foundation beam 10 in the post-cast region 22 through the L-shaped structure of the first connecting piece 21.
In order to enable the connection plate 11 on the prefabricated foundation beam 10 to be connected with the first connection piece 21 on the prefabricated part 20 more quickly and conveniently, the width of the connection plate 11 is set smaller than the post-cast area 22, and the width of the first connection piece 21 is set not smaller than the width of the post-cast area 22.
In this embodiment, before pouring the foundation beam, a plurality of steel bars with the same height on the connecting plate 11 and the steel bar skeleton 12 are welded, then the foundation beam is poured in a factory, and the prefabricated foundation beam 10 is manufactured after the pouring is completed. When the prefabricated foundation beam 10 is transferred to a construction site for installation, the prefabricated foundation 100 can be formed completely by only connecting the connecting plate 11 of the beam body 1 extending out of the prefabricated foundation beam 10 with the first connecting piece 21 of the prefabricated member 20, and the installation of the prefabricated foundation 100 on the construction site is greatly facilitated. In addition, all longitudinal steel bars with the same height as the steel bar framework 12 are connected in a factory, so that the connection mode of the steel bar framework 12 and the pre-connecting plate 11 is simple and convenient, the dimensional precision and the position precision of the connecting plate 11 and the steel bar framework 12 can be controlled better in the factory, and the construction quality of subsequent field construction is improved.
In addition, in this embodiment, because the foundation beam and the vertical force-transferring members all adopt the prefabricated structure, when the prefabricated foundation 100 is installed, the foundation pit excavated on site only needs to put down the prefabricated foundation beam 10 and the prefabricated member 20, and the brick moulding bed is not needed, so that the cost of the brick moulding bed is saved, the excavation quantity is reduced, and the backfill quantity is also reduced.
In addition, after the prefabricated foundation 100 of the present embodiment is assembled on site, the prefabricated foundation beams 10 are lowered into place, so that the connecting plates 11 with different heights can form the same fit with the corresponding first connecting pieces 21, thereby ensuring that the prefabricated foundation beams 10 are connected with the prefabricated members 20 in multiple places in space, and the installation steps of the prefabricated foundation beams 10 are not added, so that the construction rapidity is ensured. After the connecting plate 11 is preliminarily connected with the first connecting piece 21, grouting is carried out in the post-pouring area 22, after the slurry is solidified, the connecting plate 11 and the first connecting piece 21 are in a state of being completely isolated from outside air, soil and the like, and even if the connecting plate is used for a long time, under the condition of no destructive hazard, the connection of the connecting plate 11 and the first connecting piece 21 cannot be loosened and corroded, so that the connection stability is ensured; in addition, after grouting the post-cast region 22 in this embodiment, not only the connection strength between the precast member 20 and the precast foundation beam 10 is enhanced, but also the poured slurry is directly connected with the side surface of the post-cast region 22 of the precast member 20 and the side end surface of the precast foundation beam 10 (because the lateral opening is opposite to the side end surface of the precast foundation beam 10, after grouting, the concrete of the post-cast region 22 is directly contacted with the side end surface of the precast foundation beam 10 from the lateral opening), so that the overall connection stability of the precast foundation 100 formed between the precast foundation beam 10 and the precast member 20 is further improved.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. The utility model provides a prefabricated foundation beam, includes the concrete beam body that contains reinforcement cage, its characterized in that: a connecting plate is fixed at one section of the end part of the steel reinforcement framework in the length direction of the beam body, a plurality of steel reinforcements on the steel reinforcement framework are simultaneously fixedly connected with one section of the connecting plate, which is close to the beam body, and one section of the connecting plate, which is far away from the beam body, is used for being connected with a first connecting piece on a vertical force transmission component.
2. The prefabricated foundation beam of claim 1, wherein: after the connecting plate is connected with the first connecting piece on the vertical force transmission component, the connecting plate is positioned above the first connecting piece.
3. The prefabricated foundation beam of claim 2, wherein: the connecting plate comprises a horizontal section and a vertical section which are mutually perpendicular, the horizontal section is fixedly connected with the steel reinforcement framework, and the vertical section is used for being connected with a first connecting piece on the vertical force transmission component.
4. The prefabricated foundation beam of claim 1, wherein: each side of the beam body is provided with at least two connecting plates positioned at different heights.
5. The prefabricated foundation beam of claim 4, wherein: the lengths of the connecting plates adjacent up and down are different, and the extending lengths of the connecting plates which are closer to the bottom of the beam body are shorter.
6. The prefabricated foundation beam of claim 1, wherein: the width of the connecting plate is narrower than the width of the beam body.
7. The prefabricated foundation comprises vertical force transmission type components and foundation beams connected between adjacent vertical force transmission type components, wherein the vertical force transmission type components are bearing platforms or independent foundations, and the prefabricated foundation is characterized in that the foundation beams are the prefabricated foundation beams according to any one of claims 1-6, and first connecting pieces used for being connected with connecting plates on the prefabricated foundation beams are fixed on the vertical force transmission type components.
8. The preformed foundation of claim 7 wherein: the first connecting piece is of an L-shaped plate structure.
9. The preformed foundation of claim 7 wherein: the vertical force transmission type component is a prefabricated component, a post-pouring area is arranged on the prefabricated component, the post-pouring area is provided with a lateral opening and a top opening, one part of the first connecting piece is inserted into the prefabricated component, and the part of the first connecting piece extending out of the prefabricated component is positioned in the post-pouring area.
10. The preformed foundation of claim 7 wherein: the width of the connecting plate is smaller than that of the post-pouring area, and the lateral opening of the post-pouring area can be blocked by the lateral end face of the foundation beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322531984.3U CN220768145U (en) | 2023-09-18 | 2023-09-18 | Prefabricated foundation beam and prefabricated foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322531984.3U CN220768145U (en) | 2023-09-18 | 2023-09-18 | Prefabricated foundation beam and prefabricated foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768145U true CN220768145U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322531984.3U Active CN220768145U (en) | 2023-09-18 | 2023-09-18 | Prefabricated foundation beam and prefabricated foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768145U (en) |
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2023
- 2023-09-18 CN CN202322531984.3U patent/CN220768145U/en active Active
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