CN218374627U - Prestressed floor system structure - Google Patents
Prestressed floor system structure Download PDFInfo
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- CN218374627U CN218374627U CN202221437945.6U CN202221437945U CN218374627U CN 218374627 U CN218374627 U CN 218374627U CN 202221437945 U CN202221437945 U CN 202221437945U CN 218374627 U CN218374627 U CN 218374627U
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Abstract
The utility model relates to a prestressing force superstructure architecture belongs to the technical field of prefabricated building, and it includes the prefabricated stand that three group symmetries set up, and is adjacent two sets of be equipped with prestressing force floor, two jointly on the prefabricated stand one side bottom homogeneous moulding relative of prestressing force floor has pre-buried steel sheet, two the mutual butt of one end that pre-buried steel sheet is close to each other, two be formed with between the relative lateral wall of pre-buried steel sheet and two prestressing force floors and be used for carrying out the cast-in-place space of pouring of concrete. This application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the field of assembly type structures, in particular to a prestressed floor system structure.
Background
The prestressed floor slab is characterized in that tensile stress is applied to stressed steel bars in the production process so as to prevent the concrete at the tensioned part of the slab from cracking during working, and simultaneously, the action of the tensioned steel bars is fully exerted, so that steel is saved.
With the advance development of the fabricated building, the prestressed floor slabs are more and more widely applied to the fabricated building, but the problems are more. When the prestressed floor slabs are assembled, the abutted seams exist between two adjacent prestressed floor slabs, and in the related technology, concrete is cast in the abutted seams to fill the abutted seams. However, when concrete is poured, the bottom of the abutted seam needs to be provided with a pouring template, and the pouring template needs to be supported, which affects the construction efficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve the technical problem, the application provides a prestressing force superstructure architecture.
The application provides a prestressing force superstructure architecture adopts following technical scheme:
the utility model provides a prestressing force superstructure architecture, includes the prefabricated stand of three group symmetry settings, adjacent two sets of be equipped with prestressing force floor jointly on the prefabricated stand, two prestressing force floor's relative one side bottom homogeneous body shaping has pre-buried steel sheet, two the mutual butt of one end that pre-buried steel sheet is close to each other, two be formed with the space of pouring that is used for carrying on the cast-in-place concrete between the relative lateral wall of pre-buried steel sheet and two prestressing force floor.
Through adopting above-mentioned technical scheme, through the setting of pre-buried steel sheet, after the installation of accomplishing prestressing force floor, two pre-buried steel sheets butt each other. At the moment, when concrete is poured into the pouring space, the embedded steel plate can serve as a bottom formwork of the pouring space to be used, and the condition of slurry leakage during concrete pouring is reduced. In addition, the embedded steel plate and the prestressed floor slab are integrally formed, so that an extra supporting structure does not need to be built for the embedded steel plate, the construction efficiency is improved, and the construction period is effectively shortened.
Optionally, integrated into one piece has the bracket on the prefabricated stand, pre-buried steel sheet is located on the bracket, pre-buried steel sheet passes through fixing bolt and bracket fixed connection.
Through adopting above-mentioned technical scheme, through fixing bolt's setting, fixed connection is realized with the bracket to pre-buried steel sheet, so for fixed connection is realized with prefabricated stand to prestressed floor slab, thereby the installation of the prestressed floor slab of being convenient for.
Optionally, the fixing bolt is connected with a fixing nut in a threaded manner, and the bottom end of the fixing nut is abutted to the top end of the embedded steel plate.
By adopting the technical scheme, the fixing bolt and the fixing nut are positioned in the pouring space, so that the bonding strength between the cast-in-place concrete and the embedded dry plate is enhanced, and the structural stability of the floor system is improved.
Optionally, four corner ends of the prestressed floor slab are provided with limiting openings, side walls of the limiting openings are abutted to side walls of adjacent prefabricated stand columns, and two ends of each of the embedded steel plates in the length direction are abutted to side walls of the adjacent prefabricated stand columns.
Through adopting above-mentioned technical scheme, through spacing open-ended setting, be convenient for fix a position prestressed floor to the installation of prestressed floor is convenient for.
Optionally, the embedded steel plate is provided with a plurality of studs, the studs are uniformly arranged along the length direction of the embedded steel plate, a reinforcement cage is arranged in the pouring space and bound on the studs, the reinforcement cage extends out of the pouring space, and a superposed cast-in-place layer is formed on the prestressed floor slab.
By adopting the technical scheme, through the arrangement of the stud and the reinforcement cage, the cast-in-place concrete in the pouring space can be better combined with the prefabricated steel plate after being formed, so that the structural stability of the floor system is improved. Through the arrangement of the superposed cast-in-place layers, concrete is poured on the two adjacent prestressed floor slabs and in the pouring space between the two prestressed floor slabs, so that the two adjacent prestressed floor slabs further form a whole, and the structural strength of the floor system is further improved.
Optionally, a plurality of through holes are formed in the side wall of the prestressed floor slab, and the through holes are evenly formed in the length direction of the prestressed floor slab.
By adopting the technical scheme, on the premise of ensuring the strength requirement of the prestressed floor slab, the self weight of the prestressed floor slab can be reduced on one hand by arranging the through holes, so that the material cost is reduced; on the other hand, a closed cavity structure is formed in the prestressed floor slab, and the heat insulation, heat preservation and sound insulation performance of the floor system structure is improved to a certain extent.
Optionally, a plurality of prestressed reinforcements are arranged on the prestressed floor slab in a penetrating mode and are uniformly arranged along the width direction of the prestressed floor slab, and the extending parts of the prestressed reinforcements are arranged in the pouring space.
By adopting the technical scheme, after concrete is poured in the pouring space, the connection strength of the prestressed floor slab and the concrete in the pouring space can be improved through the arrangement of the prestressed reinforcement.
Optionally, two the prestressed floor slab is close to each other and all is equipped with the recess in one side.
By adopting the technical scheme, the total thickness of cast-in-place concrete in the pouring space can be increased by arranging the grooves; on the other hand, the lifting resistance of the cast-in-place concrete after molding can be improved. In addition, the shear strength of the joint of the cast-in-place concrete and the prestressed floor slab can be improved, so that the phenomenon of cracking between the prestressed floor slab and the cast-in-place concrete after molding is reduced.
Optionally, the side wall of the prefabricated stand column is provided with a jack, a connecting steel bar is inserted into the jack, and one end of the connecting steel bar, which extends out of the jack, is arranged in the pouring space.
Through adopting above-mentioned technical scheme, through the setting of jack and connecting reinforcement for prefabricated stand is better with the bonding strength of the cast in situ concrete in pouring the space, can further improve the structural stability of this superstructure system.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the setting of pre-buried steel sheet, after accomplishing the installation of prestressing force floor, two pre-buried steel sheets butt each other. At the moment, when concrete is poured into the pouring space, the embedded steel plate can serve as a bottom formwork of the pouring space to be used, and the condition of slurry leakage during concrete pouring is reduced. In addition, the embedded steel plate and the prestressed floor slab are integrally formed, so that an additional supporting structure does not need to be built for the embedded steel plate, the construction efficiency is improved, and the construction period is effectively shortened;
2. through the arrangement of the stud and the reinforcement cage, the cast-in-place concrete in the pouring space can be better combined with the prefabricated steel plate after being formed, and the structural stability of the floor system is improved. Through the arrangement of the superposed cast-in-place layer, concrete is poured on the two adjacent prestressed floor slabs and in the pouring space between the two prestressed floor slabs, so that the two adjacent prestressed floor slabs further form a whole, and the structural strength of the floor system is further improved;
3. through the arrangement of the grooves, on one hand, the total thickness of cast-in-place concrete in the pouring space can be increased; on the other hand, the lifting resistance of the cast-in-place concrete after molding can be improved. In addition, the shear strength of the joint of the cast-in-place concrete and the prestressed floor slab can be improved, so that the phenomenon of cracking between the prestressed floor slab and the cast-in-place concrete after molding is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a sectional view of an embedded steel plate and a pouring space in the embodiment of the present application.
Fig. 3 is a schematic structural diagram of a corbel embodying the present application.
Fig. 4 is a partially enlarged schematic view at a in fig. 3.
Description of reference numerals: 1. prefabricating a stand column; 11. a bracket; 12. a jack; 13. connecting reinforcing steel bars; 2. a prestressed floor slab; 21. pre-burying a steel plate; 211. fixing the bolt; 212. fixing a nut; 22. limiting the opening; 23. a stud; 24. superposing the cast-in-situ layer; 25. a through hole; 26. pre-stressing the steel bars; 27. a groove; 3. pouring a space; 31. and (4) a reinforcement cage.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses prestressing force superstructure architecture. Referring to fig. 1 and 2, the prestressed floor system structure comprises three groups of prefabricated upright columns 1 which are symmetrically arranged, and prestressed floor slabs 2 are installed on two adjacent groups of prefabricated upright columns 1 together. The bottom end of one side opposite of two prestressed floor slabs 2 is homogeneous to be formed with pre-buried steel sheet 21, and two pre-buried steel sheet 21 are the mutual butt of one end that is close to each other, are formed with between two pre-buried steel sheet 21 and two prestressed floor slabs 2's the relative lateral wall and are used for carrying on the cast-in-place space of pouring 3 of concrete.
After the installation of the prestressed floor slab 2 is completed, the two embedded steel plates 21 are abutted to each other through the arrangement of the embedded steel plates 21. At this time, when concrete is poured into the pouring space 3, the embedded steel plate 21 can serve as a bottom formwork of the pouring space 3 to be used, and the condition of slurry leakage during concrete pouring is reduced. In addition, the embedded steel plate 21 and the prestressed floor slab 2 are integrally formed, so that an additional supporting structure does not need to be built for the embedded steel plate 21, the construction efficiency is improved, and the construction period can be effectively shortened.
Referring to fig. 3 and 4, a bracket 11 is integrally formed on the prefabricated vertical column 1, the bracket 11 is of an i-steel structure, and the embedded steel plate 21 is fixedly connected to the bracket 11 through a fixing bolt 211. The fixing bolt 211 is connected with a fixing nut 212 through threads, and the bottom end of the fixing nut 212 is abutted to the top end of the embedded steel plate 21. Through fixing bolt 211's setting, fixed connection is realized with bracket 11 to pre-buried steel sheet 21, so for prestressed floor 2 realizes fixed connection with prefabricated stand 1, thereby is convenient for prestressed floor 2's installation. In addition, the tail part of the fixing bolt 211 and the fixing nut 212 are positioned in the pouring space 3, so that the bonding strength between the cast-in-place concrete and the embedded dry plate after the cast-in-place concrete is formed is enhanced, and the structural stability of the floor system is improved.
Referring to fig. 1, four corner ends of a prestressed floor slab 2 are all provided with a limit opening 22, the side wall of the limit opening 22 is abutted to the side wall of the adjacent prefabricated upright post 1, and the two ends of the embedded steel plate 21 in the length direction are respectively abutted to the side wall of the adjacent prefabricated upright post 1. Through the setting of spacing opening 22, be convenient for fix a position prestressed floor 2 to the installation of prestressed floor 2 is convenient for.
Referring to fig. 2 and 4, the embedded steel plate 21 is welded with a plurality of pegs 23, and the pegs 23 are uniformly arranged along the length direction of the embedded steel plate 21. A reinforcement cage 31 is arranged in the pouring space 3, and the reinforcement cage 31 is bound on the stud 23. The reinforcement cage 31 extends out of the casting space 3, and a superimposed cast-in-place layer 24 is formed on the prestressed floor slab 2. Through the arrangement of the studs 23 and the reinforcement cages 31, the cast-in-place concrete in the pouring space 3 can be better combined with the prefabricated steel plates after being formed, and the structural stability of the floor system is improved. Through the arrangement of the superposed cast-in-place layer 24, concrete is poured on the two adjacent prestressed floor slabs 2 and in the pouring space 3 between the two prestressed floor slabs 2, so that the two adjacent prestressed floor slabs 2 further form a whole, and the structural strength of the floor system is further improved.
Referring to fig. 1, a plurality of through holes 25 are formed in the side wall of the prestressed floor slab 2, and the plurality of through holes 25 are uniformly arranged along the length direction of the prestressed floor slab 2. On the premise of ensuring the strength requirement of the prestressed floor slab 2, the arrangement of the through holes 25 can reduce the self weight of the prestressed floor slab 2 on one hand, thereby reducing the material cost; on the other hand, a closed cavity structure is formed in the prestressed floor slab 2, and the heat insulation, heat preservation and sound insulation performance of the floor system structure is improved to a certain extent.
Referring to fig. 2, integrated into one piece just link up on prestressed floor 2 and be provided with a plurality of prestressed reinforcement 26, and a plurality of prestressed reinforcement 26 evenly set up along prestressed floor 2's width direction, and the part that prestressed reinforcement 26 stretches out is located in pouring space 3. After the concrete is poured in the pouring space 3, the connection strength between the prestressed floor slab 2 and the concrete in the pouring space 3 can be improved by arranging the prestressed reinforcement 26.
Referring to fig. 2, the two prestressed floors 2 are provided with grooves 27 on their sides adjacent to each other. In this embodiment, the groove 27 is a trapezoidal groove. Thus, by arranging the groove 27, on one hand, the total thickness of cast-in-place concrete in the casting space 3 can be increased; on the other hand, the lifting resistance of the cast-in-place concrete after molding can be improved. In addition, the shear strength of the joint of the cast-in-place concrete and the prestressed floor slab 2 can be improved, so that the phenomenon of cracking between the prestressed floor slab 2 and the cast-in-place concrete after molding is reduced.
Referring to fig. 1, a jack 12 is formed in the side wall of the prefabricated upright post 1, a connecting steel bar 13 is inserted into the jack 12, and one end of the connecting steel bar 13 extending out of the jack 12 is arranged in the pouring space 3. Through the arrangement of the jacks 12 and the connecting steel bars 13, the combination strength of the prefabricated upright posts 1 and the cast-in-place concrete in the pouring space 3 is better, and the structural stability of the floor system can be further improved.
The application principle of a prestressing force superstructure architecture of this application embodiment does: after the installation of the prestressed floor slab 2 is completed, the two embedded steel plates 21 are abutted to each other through the arrangement of the embedded steel plates 21. Then pouring again
At this moment, when concrete is poured into the pouring space 3, the embedded steel plate 21 can serve as a bottom formwork of the pouring space 3 to be used, and the condition of slurry leakage during concrete pouring is reduced. In addition, the embedded steel plate 21 and the prestressed floor slab 2 are integrally formed, so that an additional supporting structure does not need to be built for the embedded steel plate 21, the construction efficiency is improved, and the construction period can be effectively shortened.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A prestressed floor system structure is characterized in that: including prefabricated stand (1) that three symmetries of group set up, it is adjacent two sets of be equipped with prestressing force floor (2) jointly on prefabrication stand (1), two the homogeneous shaping in relative one side bottom of prestressing force floor (2) has pre-buried steel sheet (21), two the mutual butt of one end that pre-buried steel sheet (21) are close to each other is two be formed with between the relative lateral wall of pre-buried steel sheet (21) and two prestressing force floors (2) and be used for carrying on the cast-in-place space of pouring (3) of concrete.
2. A pre-stressed floor system according to claim 1, wherein: integrated into one piece has bracket (11) on prefabricated stand (1), on bracket (11) was located in pre-buried steel sheet (21), pre-buried steel sheet (21) are through fixing bolt (211) and bracket (11) fixed connection.
3. The prestressed floor system structure according to claim 2, wherein: and the fixing bolt (211) is connected with a fixing nut (212) in a threaded manner, and the bottom end of the fixing nut (212) is abutted to the top end of the embedded steel plate (21).
4. A pre-stressed floor system according to claim 1, wherein: four angle ends of prestressing force floor (2) all are equipped with spacing opening (22), the lateral wall butt of the lateral wall of spacing opening (22) and adjacent prefabricated stand (1), pre-buried steel sheet (21) length direction's both ends respectively with the lateral wall butt of adjacent prefabricated stand (1).
5. The prestressed floor system structure according to claim 1, wherein: be equipped with toggle bolt (23) on pre-buried steel sheet (21), toggle bolt (23) are equipped with a plurality ofly, and a plurality of toggle bolts (23) evenly set up along the length direction of pre-buried steel sheet (21), be equipped with steel reinforcement cage (31) in pouring space (3), steel reinforcement cage (31) ligature is on toggle bolt (23), steel reinforcement cage (31) stretch out and pour space (3), be formed with coincide cast-in-place layer (24) on prestressing force floor (2).
6. A pre-stressed floor system according to claim 1, wherein: be equipped with a plurality of through-holes (25) on the lateral wall of prestressing force floor (2), it is a plurality of through-hole (25) evenly set up along the length direction of prestressing force floor (2).
7. The prestressed floor system structure according to claim 1, wherein: the prestressed floor slab is characterized in that a plurality of prestressed reinforcements (26) are arranged on the prestressed floor slab (2) in a penetrating mode, the prestressed reinforcements (26) are evenly arranged in the width direction of the prestressed floor slab (2), and the parts, extending out of the prestressed reinforcements (26), are arranged in the pouring space (3).
8. A pre-stressed floor system according to claim 1, wherein: two the prestressing force floor (2) one side that is close to each other all is equipped with recess (27).
9. A pre-stressed floor system according to claim 1, wherein: be equipped with jack (12) on the lateral wall of prefabricated stand (1), jack (12) interpolation is equipped with connecting reinforcement (13), the one end that connecting reinforcement (13) stretched out jack (12) is located in pouring space (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437945.6U CN218374627U (en) | 2022-06-08 | 2022-06-08 | Prestressed floor system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437945.6U CN218374627U (en) | 2022-06-08 | 2022-06-08 | Prestressed floor system structure |
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| Publication Number | Publication Date |
|---|---|
| CN218374627U true CN218374627U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221437945.6U Active CN218374627U (en) | 2022-06-08 | 2022-06-08 | Prestressed floor system structure |
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| CN (1) | CN218374627U (en) |
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2022
- 2022-06-08 CN CN202221437945.6U patent/CN218374627U/en active Active
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