CN215802555U - Inverted detachable support-free steel bar truss composite floor slab - Google Patents
Inverted detachable support-free steel bar truss composite floor slab Download PDFInfo
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- CN215802555U CN215802555U CN202121943221.4U CN202121943221U CN215802555U CN 215802555 U CN215802555 U CN 215802555U CN 202121943221 U CN202121943221 U CN 202121943221U CN 215802555 U CN215802555 U CN 215802555U
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- truss
- floor slab
- concrete precast
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Abstract
The utility model discloses an inverted detachable support-free steel bar truss composite floor slab, which comprises a cross beam, a truss and a floor slab, wherein a concrete precast slab is arranged on one side of the truss, which is far away from the floor slab, the concrete precast slab and the truss are cast and molded, the concrete precast slab is fixedly arranged on the cross beam, and the floor slab is suspended below the concrete precast slab; the arrangement of the floor slab is realized by fixing the concrete precast slabs on the cross beam, and the truss and the concrete precast slabs are cast and molded, so that the floor slab is suspended below the concrete precast slabs through the truss, the bottom of the truss is pulled, the performance requirement of the pulled bottom of the slab in the construction stage is improved, the unsupported span of the floor slab is increased, the construction efficiency is improved, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to an inverted detachable unsupported steel bar truss composite floor slab.
Background
As a key technology of building industrialization, an assembly type steel structure building has a series of advantages of standardized design, factory manufacturing, assembly construction and the like, but the connection mode of a floor slab and an H-shaped steel beam is that the floor slab is placed on the upper flange of the H-shaped steel, and because the middle part of the floor slab is not supported in the construction process, a truss is arranged below the floor slab for supporting in order to realize large-span construction, but the net height of the building is greatly sacrificed, and the net height of the building can be effectively increased after the truss is dismantled after the floor slab is installed, and the prior art has improvements.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides an inverted detachable unsupported reinforcement truss composite floor slab, wherein a concrete precast slab and a floor slab are respectively arranged on the upper side and the lower side of a truss, the floor slab is arranged by fixing the concrete precast slab on a cross beam, the bottom of the truss is pulled, the performance requirement of the pulled bottom of the slab in the construction stage is greatly improved, the span of the unsupported floor slab is increased, the floor slab issued by the concrete precast slab is integrally detached through a detachable sleeve after the construction of the concrete precast slab is completed, and the construction efficiency is greatly improved.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides an inversion type can be dismantled no support bar truss coincide floor, including crossbeam, truss and floor, keeping away from of truss one side of floor is provided with the precast concrete board, the precast concrete board with the shaping is pour to the truss, the precast concrete board is fixed to be set up on the crossbeam, the floor hang in the below of precast concrete board, the truss is including web member and chord member, be provided with on the chord member and dismantle the sleeve, it sets up to dismantle the sleeve the floor with between the precast concrete board.
By adopting the technical scheme, the floor slab is arranged by fixing the concrete precast slabs on the cross beam, the truss and the concrete precast slabs are poured and molded, so that the floor slab is suspended below the concrete precast slabs through the truss, the bottom of the truss is pulled, the truss and the floor slab are removed after the tensile use requirement in the construction stage is met, the concrete precast slabs form a flat slab bottom, the construction efficiency is improved, and the cost is saved.
The utility model is further configured to: the thickness of the concrete prefabricated plate is 60 mm.
By adopting the technical scheme, the bearing capacity and the tensile capacity of the concrete precast slab are ensured.
The utility model is further configured to: the web members are horizontally arranged, the chord members are arranged in a V-shaped structure, the chord members are fixedly connected with the web members and the floor respectively, and the web members are poured and fixed in the concrete precast slabs.
By adopting the technical scheme, the web members and the chord members bear tension or pressure, so that the material can be fully exerted, the material is saved, and the structure weight is reduced.
The utility model is further configured to: the distance between the web members and the upper surface of the concrete precast slab is 10 mm.
By adopting the technical scheme, the connection strength of the truss and the concrete precast slab is ensured.
The utility model is further configured to: be provided with the distribution muscle in the concrete precast slab, distribution muscle diameter 8mm, it is adjacent distribution muscle interval 200mm, the distribution muscle with web member cross arrangement just the distribution muscle is located the lower part of web member.
Through adopting above-mentioned technical scheme, through the cross arrangement improvement concrete precast slab of distribution muscle and web member, the distribution muscle can further improve the tensile property of truss.
The utility model is further configured to: the beam is an H-shaped steel beam and comprises wing plates and web plates, the concrete precast slabs are arranged on the wing plates of the H-shaped steel beam, and the wing plates are fixedly welded with studs which are fixedly poured with the concrete precast slabs.
Through adopting above-mentioned technical scheme, form the tie point through the stud on H shaped steel roof beam, realize the fixed of concrete precast slab on the crossbeam through pouring stud and concrete precast slab, simplify the fixed of concrete precast slab.
In summary, the present invention has the following effects:
1. the truss and the concrete precast slab are cast and molded, so that the floor slab is suspended below the concrete precast slab through the truss, the bottom of the truss is pulled, the truss and the floor slab are disassembled after the tensile use requirement in the construction stage is met, the concrete precast slab forms a flat slab bottom, the disassembled part can be repeatedly used, the construction efficiency is improved, and the cost is saved;
2. the structural strength of the concrete precast slab is improved through the crossed arrangement of the distribution ribs and the web members, and the tensile property of the truss can be further improved through the distribution ribs;
3. after the floor slab is inverted, the truss part forms a space, and pipelines can be arranged in the truss according to construction or ceiling requirements.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a schematic view of an inverted unsupported steel bar truss composite floor slab;
fig. 2 is a schematic structural view of the truss.
In the figure: 1. a cross beam; 11. a wing plate; 12. a web; 2. a floor slab; 3. a truss; 31. a web member; 32. a chord member; 321. a first chord; 322. a second chord; 4. precast concrete slab; 5. distributing ribs; 6. a stud; 7. the sleeve can be disassembled.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the inverted detachable unsupported reinforced bar truss composite floor slab comprises a beam 1, a truss 3 and a floor slab 2, a concrete precast slab 4 is arranged on one side of the truss 3 far away from the floor slab 2, the concrete precast slab 4 and the truss 3 are cast and molded, the concrete precast slabs 4 are fixedly arranged on the cross beam 1, the floor slab 2 is suspended below the concrete precast slabs 4, the truss 3 comprises a web member 31 and a chord member 32, the chord member 32 is provided with a detachable sleeve 7, the chord member 32 comprises a first chord member 321 and a second chord member 322, in the scheme, the first chord member 321 is cast with the concrete precast slab 4, the detachable sleeve 7 is positioned between the first chord member 321 and the second chord member 322, and the detachable sleeve 7 is arranged between the floor slab 2 and the concrete precast slab 4.
The web members 31 are horizontally arranged, the chord members 32 are arranged in a V-shaped structure, the chord members 32 are fixedly connected with the web members 31 and the floor slab 2 respectively, and the web members 31 are poured and fixed in the concrete precast slabs 4.
The thickness of the concrete precast slab 4 is 60mm, and the distance between the web member 31 and the upper surface of the concrete precast slab 4 is 10 mm. Be provided with distribution muscle 5 in the concrete precast slab 4, distribution muscle 5 diameter 8mm, it is adjacent distribution muscle 5 interval 200mm, distribution muscle 5 with web member 31 cross arrangement just distribution muscle 5 is located the lower part of web member 31.
The beam 1 is an H-shaped steel beam, the beam 1 comprises a wing plate 11 and a web plate 12, the concrete precast slab 4 is arranged on the wing plate 11 of the H-shaped steel beam, a stud 6 is fixedly welded on the wing plate 11, and the stud 6 and the concrete precast slab 4 are fixedly poured.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides an inversion type can dismantle no support steel bar truss coincide floor, including crossbeam (1), truss (3) and floor (2), its characterized in that, keeping away from of truss (3) one side of floor (2) is provided with precast concrete board (4), precast concrete board (4) with truss (3) pouring shaping, precast concrete board (4) are fixed to be set up on crossbeam (1), floor (2) hang in the below of precast concrete board (4), truss (3) are including web member (31) and chord member (32), be provided with on chord member (32) and dismantle sleeve (7), chord member (32) are including first chord member (321) and second chord member (322), can dismantle sleeve (7) and be located between first chord member (321) and second chord member (322), can dismantle sleeve (7) set up floor (2) with precast concrete board (4)'s one side, can dismantle sleeve (7) and be in And (3) removing the solvent.
2. The inverted detachable unsupported steel bar truss composite floor slab according to claim 1, wherein the thickness of the concrete precast slab (4) is 60 mm.
3. The inverted detachable unsupported steel bar truss composite floor slab as claimed in claim 2, wherein the web members (31) are horizontally disposed, the chords (32) are disposed in a V-shaped configuration, the chords (32) are respectively fixedly connected with the web members (31) and the floor slab (2), and the web members (31) are cast and fixed in the concrete precast slabs (4).
4. The inverted detachable unsupported steel bar truss composite floor slab according to claim 3, wherein the distance between the web members (31) and the upper surface of the concrete precast slab (4) is 10 mm.
5. The inverted detachable unsupported steel bar truss composite floor slab according to claim 4, wherein distribution ribs (5) are provided in the concrete precast slab (4), the diameter of the distribution ribs (5) is 8mm, the adjacent distribution ribs (5) are spaced by 200mm, the distribution ribs (5) are arranged across the web members (31) and the distribution ribs (5) are located at the lower parts of the web members (31).
6. The inverted detachable unsupported steel bar truss composite floor slab as claimed in claim 1, wherein the cross beam (1) is an H-shaped steel beam, the cross beam (1) comprises a wing plate (11) and a web plate (12), the concrete precast slab (4) is arranged on the wing plate (11) of the H-shaped steel beam, the bolt (6) is welded and fixed on the wing plate (11), and the bolt (6) is cast and fixed with the concrete precast slab (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943221.4U CN215802555U (en) | 2021-08-18 | 2021-08-18 | Inverted detachable support-free steel bar truss composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943221.4U CN215802555U (en) | 2021-08-18 | 2021-08-18 | Inverted detachable support-free steel bar truss composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215802555U true CN215802555U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121943221.4U Active CN215802555U (en) | 2021-08-18 | 2021-08-18 | Inverted detachable support-free steel bar truss composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215802555U (en) |
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2021
- 2021-08-18 CN CN202121943221.4U patent/CN215802555U/en active Active
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Address after: 350500 Fujian Chengtou Technology Co., Ltd., 188 Chuangxin Road, Guantou Town, Lianjiang county, Fuzhou City, Fujian Province Patentee after: Fujian Zuohai Technology Co.,Ltd. Address before: 350500 Fujian Chengtou Technology Co., Ltd., 188 Chuangxin Road, Guantou Town, Lianjiang county, Fuzhou City, Fujian Province Patentee before: FUJIAN CCIT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |