CN218405516U - Prefabricated raft-shaped foundation component, assembled raft-shaped foundation and house - Google Patents
Prefabricated raft-shaped foundation component, assembled raft-shaped foundation and house Download PDFInfo
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- CN218405516U CN218405516U CN202222803729.5U CN202222803729U CN218405516U CN 218405516 U CN218405516 U CN 218405516U CN 202222803729 U CN202222803729 U CN 202222803729U CN 218405516 U CN218405516 U CN 218405516U
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Abstract
The utility model relates to a prefabricated raft shape foundation member, be in including prefabricated square bottom plate and prefabrication cross beam on the square bottom plate, four tip of cross beam extend to respectively four limit portion departments of square bottom plate, four tip of cross beam all extend and are formed with the flange board, the face of flange board is parallel with the bottom plate limit portion that corresponds the side, in be equipped with bolt pilot hole and/or pre-buried have assembly bolt on the flange board. In addition still relate to the assembled raft form basis that adopts this prefabricated raft form foundation component and adopt this assembled raft form basis's house. The utility model can realize the assembly construction of raft foundation, and can obviously shorten construction period and construction cost; the prefabricated raft-shaped foundation member can be used as a standard component for prefabricated production, transportation, storage and field installation; the bolt assembly structure is adopted to realize splicing between two adjacent raft-shaped foundation members, the reliability and the stability of the connecting structure are high, and the service effect of the raft-shaped foundation can be ensured.
Description
Technical Field
The utility model relates to a prefabricated raft shape foundation component, adopt this prefabricated raft shape foundation component's assembled raft shape basis and adopt this assembled raft shape foundation's house.
Background
At present, researches on precast concrete components such as precast beams, precast slabs and precast columns are increasingly increased, but for precast concrete components of an assembly type foundation, related engineering application and researches are less, the construction period of the part is long, the assembly technology difficulty is high, and the building industrialization development is greatly restricted. Raft foundation is one of the common type in the building substructure, need bear superstructure's whole weight, generally adopts cast in situ concrete construction operation, including setting up the template, ligature reinforcing bar, concrete placement, later stage maintenance etc. has the problem such as construction cycle length.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a prefabricated raft shape foundation component, adopt this prefabricated raft shape foundation component's assembled raft shape basis and adopt this assembled raft shape basic house can solve prior art's partial defect at least.
The utility model relates to a prefabricated raft foundation member, be in including prefabricated square bottom plate and prefabrication cross beam on the square bottom plate, four tip of cross beam extend to respectively four limit portion departments of square bottom plate, four tip of cross beam all extend and are formed with the flange board, the face of flange board is parallel with the bottom plate limit portion that corresponds the side, in be equipped with bolt pilot hole and/or pre-buried assembly bolt on the flange board.
In one embodiment, the periphery of the square bottom plate extends upwards to form a cornice wall, and bolt assembly holes and/or assembly bolts are/is embedded in the cornice wall.
In one embodiment, the outer wall surface of the eaves wall is coplanar with the outer plate surface of the flange plate on the corresponding side.
In one embodiment, at least a part of the beam sections of the cross beam is a hollow beam.
As one embodiment, the hollow cavity of the hollow beam penetrates through the top surface of the beam body and/or the end surface of the beam body.
In one embodiment, a stiffening rib is disposed on an outer beam wall of the hollow beam, and a bottom end of the stiffening rib is connected to the square bottom plate.
In one embodiment, the flange plate and the cross beam are integrally formed with the square bottom plate.
The utility model discloses still relate to an assembled raft form basis, adopt a plurality of as above prefabricated raft form foundation member assembly form, wherein, the mutual butt of flange board between two adjacent prefabricated raft form foundation members and the two carries out bolt assembly connection.
As one embodiment, at least a part of the beam sections of the cross beam are hollow beams, and hollow cavities of the hollow beams are filled with cast-in-place concrete.
The utility model discloses still relate to a house, including raft shape basis and superstructure, raft shape basis adopts foretell assembled raft shape basis, superstructure bear in on the assembled raft shape basis.
The utility model discloses following beneficial effect has at least: the utility model adopts the combined structure of the square bottom plate and the cross beam, and the four ends of the cross beam are extended to form the flange plates, and the splicing between two adjacent raft foundation components is realized through the assembling parts (bolt assembling holes and/or assembling bolts) on the flange plates, so that the assembling construction of the raft foundation can be realized, and the construction period and the construction cost can be obviously shortened; the prefabricated raft foundation component can be used as a standard component, is convenient for prefabricated production, transportation, storage and field installation, and can greatly reduce the construction cost; adopt bolt assembly structure to realize the concatenation between the adjacent two raft shape foundation component, connection structure reliability and stability are high, can guarantee raft shape foundation's effect of being on active service, and the flange board can also play the effect of stiffening rib board except realizing assembly construction, improves the operational reliability of cross beam effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1-6 are schematic structural views of a prefabricated raft-shaped foundation member provided by an embodiment of the present invention; wherein, fig. 1-5 are raft foundation members using square bottom plates; fig. 6 is a raft foundation member using rectangular bottom plates;
fig. 7 is a schematic structural view of a raft foundation provided by an embodiment of the present invention;
fig. 8 and 9 are the connection structure sketch map of raft foundation and prefabricated wallboard that the embodiment of the utility model provides.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, 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 belong to the protection scope of the present invention.
Example one
As shown in fig. 1-6, the embodiment of the utility model provides a prefabricated raft foundation member 1, be in including prefabricated square bottom plate 11 and prefabrication cross beam 12 on the square bottom plate 11, four tip of cross beam 12 extend to respectively four limit portions of square bottom plate 11, four tip of cross beam 12 all extend and are formed with flange plate 13, flange plate 13's face is parallel with the bottom plate limit portion that corresponds the side, in be equipped with bolt pilot hole 15 on the flange plate 13 and/or pre-buried there is assembly bolt.
The square bottom plate 11 and the cross beam 12 are preferably reinforced concrete members; the two are preferably integrally prefabricated and formed; further preferably, the flange plates 13, the cross beams 12 and the square bottom plate 11 are integrally formed, so that structural integrity and stress performance of the raft-shaped foundation members 1 can be improved, and reliability of a splicing structure between the raft-shaped foundation members 1 is guaranteed. The square bottom plate 11 may be a square bottom plate 11 or a rectangular bottom plate 11.
As shown in fig. 2, it is preferable that the square bottom plate 11 is provided with an exhaust hole 18 for facilitating the installation of the raft foundation member 1 on the foundation bed. In alternative embodiment in addition, can pre-buried a plurality of construction bolts on the foundation bed course, set up a plurality of bolts and wear to establish the hole on square bottom plate 11, penetrate the bolt on the square bottom plate 11 through the construction bolt and wear to establish the hole and through nut locking, can fix raft shape foundation 2 on the foundation bed course, further improve raft shape foundation 2's operational reliability, and the bolt is worn to establish the hole and can play exhaust effect simultaneously.
The cross beam 12 comprises four beam sections, the end parts of the four beam sections respectively extend to four edges of the square bottom plate 11, wherein the length direction of each beam section is perpendicular to the corresponding edge of the square bottom plate 11; the outer plate surface of the flange plate 13 of the beam segment is preferably coplanar with the floor panel edge on the corresponding side.
Preferably, each end of the cross beam 12 is extended with a flange plate 13 toward both lateral sides, respectively, so that the stability and reliability of the assembly structure between the raft foundation members 1 can be improved.
When the mounting portions provided on the flange plates 13 are mounting bolts and, accordingly, the mounting portions of the other raft foundation member 1 to be coupled with the flange plates 13 need to be bolt mounting holes 15, two opposite end portions of each cross beam 12 may be provided, wherein the mounting portions on the flange plates 13 at one end are mounting bolts and the mounting portions on the flange plates 13 at the other end are bolt mounting holes 15.
In this embodiment, as shown in fig. 1 to 6, a plurality of bolt assembly holes 15 are provided on the flange plate 13, and after the two raft-shaped foundation members 1 are spliced, bolts are used on site to pass through the bolt assembly holes 15 on the flange plate 13 of the two raft-shaped foundation members 1, and then nuts are used to lock the bolts. Particularly, when the square bottom plate 11 is the square bottom plate 11, the flange plates 13 at the ends of the cross beam 12 are provided with the bolt assembly holes 15 as the assembly parts, and the distribution forms of the assembly parts are the same, the raft-shaped foundation member 1 is used as a standard member, any one end can be spliced with another raft-shaped foundation member 1, the assembly flexibility is high, the assembly difficulty can be obviously reduced, and the assembly construction efficiency can be improved.
Further preferably, as shown in fig. 1-7, the periphery of the square bottom plate 11 extends upwards to form a cornice 14, and bolt assembly holes 15 and/or pre-embedded assembly bolts are arranged on the cornice 14. Similarly, it is preferable that a plurality of bolt mounting holes 15 be used as mounting portions in the eaves wall 14. Based on above-mentioned structure, the assembly connection between the square bottom plate 11 of eaves wall 14 mainly used, and the flange board 13 then mainly used assembly connection between the cross beam 12, consequently can improve the assembly structure wholeness and the connection structure intensity between two prefabricated raft shape foundation component 1, and the atress nature in coordination between cross beam 12 and the square bottom plate 11 is better.
Preferably, the outer wall face of the eaves wall 14 is coplanar with the outer plate face of the flange plate 13 on the corresponding side.
The prefabricated raft foundation member 1 provided by the embodiment adopts a combined structure of the square bottom plate 11 and the cross beam 12, the four end parts of the cross beam 12 are respectively extended to form the flange plates 13, the splicing between two adjacent raft foundation members 1 is realized through the assembling parts (the bolt assembling holes 15 and/or the assembling bolts) on the flange plates 13, the assembling construction of the raft foundation 2 can be realized, and the construction period and the construction cost can be remarkably shortened; the prefabricated raft foundation component 1 can be used as a standard component, so that the prefabricated raft foundation component is convenient for prefabricated production, transportation, storage and field installation, and the construction cost can be greatly reduced; adopt bolt assembly structure to realize the concatenation between two adjacent raft shape foundation component 1, connection structure reliability and stability are high, can guarantee raft shape foundation 2's effect of being on active service, and flange plate 13 except realizing the assembly construction can also play the effect of stiffening rib board, improves the operational reliability of cross 12 effectively.
Further optimizing the structure of the raft foundation member 1, at least part of the beam sections of the cross beams 12 are hollow beams, so that the weight of the raft foundation member 1 can be reduced. After the assembling construction of the raft foundation 2 is completed, concrete is cast in situ into the hollow cavity 16 of the hollow beam, so that the structural performance of the cross beam 12 can be ensured. The top surface of the hollow beam can be a closed top surface, and the top surface of the hollow beam can be provided with pouring holes so as to pour concrete into the cavity 16; in this embodiment, the reinforcing bars may be pre-embedded in the hollow cavity 16.
In other embodiments, as shown in fig. 2-5, the hollow cavity 16 of the hollow beam penetrates through the top surface of the beam body and/or the end surface of the beam body; the hollow cavity 16 is preferably designed to at least penetrate through the top surface of the beam body, so that the operations of installing reinforcing steel bars, pouring concrete and the like at the later stage can be facilitated (of course, the reinforcing steel bars can also be pre-embedded on the wall of the hollow cavity 16 during prefabrication production); when the middle hollow cavity 16 penetrates through the Liang Tiduan surface of the raft foundation 2, the hollow cavities 16 of the raft foundation members 1 in the raft foundation 2 are communicated with each other, so that after concrete is cast in situ, the structural integrity and the cooperative stress of the raft foundation members 1 can be obviously improved, and the service effect of the raft foundation 2 is improved; it will be appreciated that the beam end face may also be provided with a fill opening to allow the hollow cavities 16 to communicate with one another.
Furthermore, as shown in fig. 2, a stiffening rib 17 is arranged on the outer side beam wall of the hollow beam, and the bottom end of the stiffening rib 17 is connected with the square bottom plate 11, so that the problem of structural strength reduction of the hollow beam caused by hollowness can be compensated.
Example two
As fig. 7, the embodiment of the utility model provides an assembled raft foundation 2 adopts the assembly of a plurality of prefabricated raft shape basic unit 1 that the embodiment provided above to form, and wherein, the mutual butt of flange board 13 between two adjacent prefabricated raft shape basic unit 1 and the two carries out bolted connection.
As mentioned above, when at least part of the beam sections of the cross beam 12 are hollow beams, the hollow cavities 16 of the hollow beams are filled with cast-in-place concrete.
Furthermore, the hollow cavities 16 of the cross beams 12 are communicated with each other, cast-in-place concrete in the cross beams 12 is poured simultaneously, and the prefabricated raft-shaped foundation components 1 can be connected into a whole, so that the structural integrity and the stress performance of the raft-shaped foundation 2 are improved.
EXAMPLE III
The embodiment of the utility model provides a house, including raft form basis 2 and superstructure, raft form basis 2 adopts the assembled raft form basis 2 that above-mentioned embodiment two provided, superstructure bear in assembled raft form is on the basis 2.
The upper structure can be a wall body, and the wall body can be a cast-in-place wall body or an assembly type wall body.
For the cast-in-place upper wall body, reinforcing steel bars can be embedded or planted at the tops of the cross beams 12, the reinforcing steel bars are in lap joint with the reinforcing steel bars of the wall body, and then the wall body is formed by formwork pouring.
As shown in fig. 8 and 9, for the assembled wall, bolts 4 may be embedded in or planted behind the top of each cross beam 12, the prefabricated wall panel 3 is supported on the top bolts 4 of the cross beams 12 (the wall leveling operation may be completed at the same time), and the vertical gap between the two is filled with cast-in-place concrete.
When at least part of the beam sections of the cross beam 12 are hollow beams, especially when the hollow cavity 16 penetrates through the top surface of the beam body, when beam body reinforcing steel bars are installed in the hollow cavity 16, the wall body reinforcing steel bars of the upper wall body can be lapped with the beam body reinforcing steel bars, and then formwork is erected to synchronously complete concrete pouring operation of the upper wall body and the hollow cavity 16; or binding and fixing top bolts 4 on the beam body steel bars, connecting prefabricated wall boards 3 on the top bolts 4, and then erecting a formwork to synchronously finish the concrete pouring operation of the gaps between the wall boards 3 and the cross beams 12 and the hollow cavities 16. The scheme can further improve the structural integrity and the cooperative stress performance between the wall body and the cross beam 12, and can effectively improve the structural performance and the use safety of a house.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated raft shape foundation member which characterized in that: including prefabricated square bottom plate and prefabrication cross roof beam on the square bottom plate, four tip of cross roof beam extend to respectively four limit portion departments of square bottom plate, four tip of cross roof beam all extend and are formed with the flange board, the face of flange board is parallel with the bottom plate limit portion that corresponds the side, in be equipped with bolt pilot hole and/or pre-buried assembly bolt on the flange board.
2. A prefabricated raft foundation member as claimed in claim 1, wherein: the periphery of the square bottom plate extends upwards to form an eaves wall, and bolt assembling holes and/or assembling bolts are/is pre-embedded in the eaves wall.
3. A prefabricated raft foundation member as claimed in claim 2, wherein: the outer wall surface of the eave wall is coplanar with the outer plate surface of the flange plate on the corresponding side.
4. A prefabricated raft foundation member as claimed in claim 1, wherein: at least part of the beam sections of the cross beam are hollow beams.
5. A prefabricated raft foundation member as claimed in claim 4, wherein: the hollow cavity of the hollow beam penetrates through the top surface of the beam body and/or the end surface of the beam body.
6. A prefabricated raft foundation member as claimed in claim 4, wherein: and the outer side beam wall of the hollow beam is provided with a stiffening rib, and the bottom end of the stiffening rib is connected with the square bottom plate.
7. A prefabricated raft foundation member as claimed in claim 1, wherein: the flange plate, the cross beam and the square bottom plate are integrally formed.
8. The utility model provides an assembled raft foundation which characterized in that: assembled from a plurality of prefabricated raft foundation members as claimed in any one of claims 1 to 7, wherein the flange plates between two adjacent prefabricated raft foundation members abut each other and are bolted together.
9. The fabricated raft foundation of claim 8, wherein: at least part of beam sections of the cross beam are hollow beams, and hollow cavities of the hollow beams are filled with cast-in-place concrete.
10. The utility model provides a house, includes raft foundation and superstructure, its characterized in that: the raft foundation adopts the fabricated raft foundation of claim 8 or 9, and the superstructure is borne on the fabricated raft foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803729.5U CN218405516U (en) | 2022-10-25 | 2022-10-25 | Prefabricated raft-shaped foundation component, assembled raft-shaped foundation and house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803729.5U CN218405516U (en) | 2022-10-25 | 2022-10-25 | Prefabricated raft-shaped foundation component, assembled raft-shaped foundation and house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218405516U true CN218405516U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222803729.5U Active CN218405516U (en) | 2022-10-25 | 2022-10-25 | Prefabricated raft-shaped foundation component, assembled raft-shaped foundation and house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218405516U (en) |
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2022
- 2022-10-25 CN CN202222803729.5U patent/CN218405516U/en active Active
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