CN212506974U - Prefabricated floor slab structure that bending strength is high - Google Patents
Prefabricated floor slab structure that bending strength is high Download PDFInfo
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- CN212506974U CN212506974U CN202020802850.4U CN202020802850U CN212506974U CN 212506974 U CN212506974 U CN 212506974U CN 202020802850 U CN202020802850 U CN 202020802850U CN 212506974 U CN212506974 U CN 212506974U
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- steel bars
- floor slab
- reinforcing steel
- blocks
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- 238000005452 bending Methods 0.000 title claims abstract description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 239000011178 precast concrete Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 description 12
- 230000002787 reinforcement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
A prefabricated floor slab structure with high bending strength is provided with high bending strength and is suitable for floor slab structures with large areas, and comprises a floor slab body, transverse reinforcing steel bars, longitudinal reinforcing steel bars and short reinforcing steel bars, wherein the upper side surface and the lower side surface of the floor slab body are respectively provided with a plurality of upper protruding bar blocks and lower protruding bar blocks in an arrangement direction which is vertical to that of the lower protruding bar blocks, the transverse reinforcing steel bars are bent to form upward protrusions which are arranged at positions above the floor slab body, the upward protrusions on the transverse reinforcing steel bars are positioned in the upper protruding bar blocks, the longitudinal reinforcing steel bars are bent to form downward protrusions which are arranged at positions below the floor slab body, the downward protrusions on the longitudinal reinforcing steel bars are positioned in the lower protruding bar blocks, the short reinforcing steel bars are arranged and fixed on the longitudinal reinforcing steel bars, the top ends of the short reinforcing steel bars extend upwards into the upper protruding bar blocks, and the upper protruding bar blocks and the lower protruding bar blocks play a role of a rib beam, the transverse bending strength and the longitudinal bending strength of the floor slab can be greatly improved.
Description
Technical Field
The utility model relates to a precast floor slab technical field especially relates to a precast floor slab structure that bending strength is high.
Background
The floor slab structure is one of the main structures of a building, generally has a thickness of 10cm or 12cm, mainly bears the moving load of a floor where the floor slab structure is located, and does not bear the stress to the whole building, on the contrary, if the thickness of the floor slab is too large, the self weight is heavier, the load of other structural members such as a column-beam structure is increased, so the thickness of the floor slab needs to be controlled within a certain range, but if the area of the floor slab is larger, because the influence of the self weight and the influence of the upper load can form a downward bending trend at the middle position of the floor slab, the floor slab with large area and long length needs to be structurally reinforced, so that the self bending strength is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a prefabricated floor slab structure with high bending strength, which has high bending strength and is suitable for floor slab structures with larger areas, and particularly comprises a floor slab body, transverse reinforcing steel bars, longitudinal reinforcing steel bars and short reinforcing steel bars, wherein the floor slab body is a rectangular plate body structure with certain thickness and is formed by adopting concrete prefabricated pouring, a plurality of upper protruding strip blocks are arranged on the upper side surface of the floor slab body, a plurality of lower protruding strip blocks are arranged on the lower side surface of the floor slab body, the cross sections of the upper protruding strip blocks and the lower protruding strip blocks are the same, the cross sections of the upper protruding strip blocks and the cross sections of the lower protruding strip blocks are isosceles trapezoid shapes, the arrangement intervals of the upper protruding strip blocks and the lower protruding strip blocks are the same, however, the upper protruding strip blocks and the lower protruding strip blocks keep a vertical relation, namely, the arrangement directions of the upper protruding strip blocks and the lower, the floor slab body, the upper convex strip blocks and the lower convex strip blocks are integrally poured, the transverse steel bars are bent to form upward bulges, the upward bulges are oppositely arranged, the arrangement interval of the upward bulges is equal to the arrangement interval of the upper convex strip blocks, the outlines of the upward bulges are also in an isosceles trapezoid shape, but the outline size of the upward bulges is smaller than the section size of the upper convex strip blocks, the transverse steel bars are arranged at the upper positions in the floor slab body, the upward bulges on the transverse steel bars are positioned in the upper convex strip blocks, the transverse steel bars and the upper convex strip blocks keep a vertical relation, namely, the arrangement direction of the transverse steel bars is vertical to the arrangement direction of the upper convex strip blocks, the longitudinal steel bars are bent to form downward bulges, the downward bulges are oppositely arranged, the arrangement interval of the downward bulges is equal to the arrangement interval of the lower convex strip blocks, and the outlines of the downward bulges are also in an isosceles trapezoid shape, the profile size of the downward bulge is smaller than the section size of the lower bulge, the longitudinal steel bars are arranged at the lower position in the floor body, the downward bulge on the longitudinal steel bars is positioned in the lower bulge, the longitudinal steel bars and the lower bulge are in a vertical relation, namely the arrangement direction of the longitudinal steel bars is vertical to the arrangement direction of the lower bulge, the short steel bars are fixedly arranged on the longitudinal steel bars in an arrangement mode, the bottom ends of the short steel bars are fixedly welded with the bottom sides of the downward bulges on the longitudinal steel bars, the short steel bars and the longitudinal steel bars are in a vertical relation, the top ends of the short steel bars extend into the upper bulge, and the top ends of the short steel bars are in contact with the top sides of the upward bulges on the transverse steel bars.
The utility model has the advantages that, the upside of floor body is arranged respectively with the downside and is provided with protruding strip piece and protruding strip piece down, and it plays the effect of rib roof beam, then can all form great improvement to the horizontal bending strength and the vertical bending strength of floor for whole bending strength reinforcing, in addition, relative floor body, the last protruding strip piece and protruding strip piece down of increase, owing to there is the range interval, do not lead to the fact very high increase to the holistic dead weight of floor, so be applicable to the floor structure of great area.
Further, arrange in this internal top position of floor and the epirelief strip piece on the one side and be provided with the upper portion slab muscle, the upper portion slab muscle is alternately with the contact of horizontal reinforcing bar, and the upper portion slab muscle is in the vertical relation with horizontal reinforcing bar, can carry out the ligature to the cross contact position of upper portion slab muscle and horizontal reinforcing bar when the ligature is arranged, this internal below position of floor is arranged with the interior lower part strip piece under with and is provided with the lower part slab muscle, the lower part slab muscle is alternately with the contact of vertical reinforcing bar, and the lower part slab muscle is in the vertical relation with vertical reinforcing bar, can carry out the ligature to the cross contact position of lower part slab muscle and vertical reinforcing bar when the ligature is arranged, increases the whole tensile bending strength of upper portion slab muscle and lower part slab muscle and.
Further, the inside middle part position of floor body transversely has the middle part slab muscle of cross arrangement with longitudinal arrangement, and the middle part slab muscle exists transversely and vertical two kinds of arrangement promptly, and its middle cross position and can carry out the ligature with short reinforcement strip contact site, can further improve the utility model discloses the whole tensile bending strength of floor.
Drawings
Fig. 1 is a schematic overall perspective view of the present invention.
Fig. 2 is the single exposed three-dimensional schematic diagram of the reinforcing steel bars inside the utility model.
Fig. 3 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 4 is a schematic sectional view of B-B in fig. 1.
Fig. 5 is a schematic perspective view (separated from each other) of the single exposed portion of the reinforcing bars existing inside in the improved embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
A prefabricated floor slab structure with high bending strength is disclosed, as shown in figure 1, and comprises a floor slab body 1, transverse steel bars 2, longitudinal steel bars 3 and short steel bar strips 4, wherein the floor slab body 1 is a rectangular plate body structure with a certain thickness and is formed by precast concrete pouring, a plurality of upper convex strip blocks 11 are arranged on the upper side surface of the floor slab body 1, a plurality of lower convex strip blocks 12 are arranged on the lower side surface of the floor slab body 1, the cross sections of the upper convex strip blocks 11 and the lower convex strip blocks 12 are the same, the cross sections of the upper convex strip blocks 11 and the lower convex strip blocks 12 are isosceles trapezoid-shaped, the arrangement intervals of the upper convex strip blocks and the lower convex strip blocks are the same, however, the upper convex strip blocks 11 and the lower convex strip blocks 12 keep vertical relation, namely, the arrangement directions of the upper convex strip blocks 11 and the lower convex strip blocks 12 are vertical, one belongs to transverse arrangement, the other belongs to longitudinal arrangement, and the floor slab body 1, the transverse reinforcing steel bars 2 are bent to form upward protrusions 21, as shown in fig. 2 and 3, the upward protrusions 21 are oppositely arranged, the arrangement distance is equal to the arrangement distance of the upper protrusion blocks 11, the outline of the upward protrusions 21 is also isosceles trapezoid-shaped, but the outline size of the upward protrusions 21 is smaller than the cross-sectional size of the upper protrusion blocks 11, the transverse reinforcing steel bars 2 are arranged at the upper positions in the floor slab body 1, the upward protrusions 21 on the transverse reinforcing steel bars 2 are positioned in the upper protrusion blocks 11, the transverse reinforcing steel bars 2 and the upper protrusion blocks 11 are in vertical relation, namely, the arrangement direction of the transverse reinforcing steel bars 2 is vertical to the arrangement direction of the upper protrusion blocks 11, the longitudinal reinforcing steel bars 3 are bent to form downward protrusions 31, as shown in fig. 2 and 4, the downward protrusions 31 are oppositely arranged, the arrangement distance is equal to the arrangement distance of the lower protrusion blocks 12, the profile of the downward projection 31 is also isosceles trapezoid, but the profile size of the downward projection 31 is smaller than the section size of the lower projection bar 12, the longitudinal reinforcing bars 3 are arranged at the lower position in the floor slab body 1, and the downward protrusions 31 thereon are positioned in the lower protrusion blocks 12, the longitudinal reinforcing bars 3 are held in a perpendicular relationship with the lower protrusion blocks 12, that is, the arrangement direction of the longitudinal reinforcing bars 3 is perpendicular to the arrangement direction of the lower projecting bar blocks 12, the stub reinforcing bars 4 are arranged and fixed on the longitudinal reinforcing bars 3, as shown in fig. 2 and 4, the bottom end of the short reinforcing bar 4 is welded and fixed to the bottom side of the downward projection 31 of the longitudinal reinforcing bar 3, the short reinforcing steel bars 4 are vertical to the longitudinal reinforcing steel bars 3, the top ends of the short reinforcing steel bars 4 extend upwards into the upper convex bar blocks 11, and the top end portion of the short reinforcing bar 4 is in contact with the top side of the upward protrusions 21 of the lateral reinforcing bars 2.
The utility model has the advantages that, the upside of floor body 1 is arranged respectively with the downside and is provided with protruding strip piece 11 and protruding strip piece 12 down, it plays the effect of rib roof beam, then can all form great improvement to the horizontal bending strength and the vertical bending strength of floor, make whole bending strength reinforcing, in addition, relative floor body 1, the last protruding strip piece 11 and protruding strip piece 12 down of increase, owing to there is the range interval, do not lead to the fact very high increase to the holistic dead weight of floor, so be applicable to the floor structure of great area.
Further, upper plate ribs 51 are arranged in the upper part of the floor slab body 1 and the upper raised blocks 11, as shown in fig. 3 and 5, the upper plate ribs 51 are in contact with and crossed with the transverse steel bars 2, and the upper plate rib 51 is vertical to the transverse steel bar 2, the crossed contact part of the upper plate rib 51 and the transverse steel bar 2 can be bound when the binding arrangement is carried out, lower plate ribs 52 are arranged in the lower part of the floor slab body 1 and the lower convex strip blocks 12, as shown in fig. 4 and 5, the lower plate ribs 52 are crossed with the longitudinal steel bars 3 in a contact manner, and lower part lath 52 is in the vertical relation with longitudinal reinforcement 3, can carry out the ligature to lower part lath 52 and longitudinal reinforcement 3's cross contact position when the ligature is arranged, increases upper portion lath 51 and lower part lath 52 and can improve the utility model discloses the whole tensile bending strength of floor.
Further, as shown in fig. 3 and 5, the inside middle position of floor body 1 transversely has the middle part lath 53 of cross arrangement with longitudinal arrangement, and middle part lath 53 exists transversely and vertical two kinds of arrangement promptly, and its middle cross section position and can carry out the ligature with short reinforcing bar contact site, can further improve the utility model discloses the whole tensile bending strength of floor.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar changes or improvements can be made without departing from the principles of the present invention, and these changes or improvements should also be considered as the protection scope of the present invention.
Claims (3)
1. The utility model provides a prefabricated floor slab structure that bending strength is high which characterized in that: including floor body (1), horizontal reinforcing bar (2), vertical reinforcing bar (3), short reinforcing bar (4), floor body (1) is for possessing certain thickness's rectangle form plate body structure, and it adopts the precast concrete to pour and forms, it is provided with protruding strip piece (11) on the multichannel to arrange on the side of going up of floor body (1), arranges on its downside and is provided with protruding strip piece (12) under the multichannel, it is the same with the cross sectional dimension of protruding strip piece (12) down to go up protruding strip piece (11), and both cross-sections are the isosceles trapezoid shape, and the range interval between them is the same, however, go up protruding strip piece (11) and keep the vertical relation with protruding strip piece (12) down, floor body (1) and protruding strip piece (11) and protruding strip piece (12) down belong to integrative the pouring and form, be bent on horizontal reinforcing bar (2) and form arch (21) up, the upward bulges (21) are oppositely arranged, the arrangement distance of the upward bulges (21) is equal to the arrangement distance of the upper bulge strip blocks (11), the outlines of the upward bulges (21) are also in an isosceles trapezoid shape, but the outline size of the upward bulges (21) is smaller than the section size of the upper bulge strip blocks (11), the transverse steel bars (2) are arranged at the upper positions in the floor slab body (1), the upward bulges (21) on the transverse steel bars are positioned in the upper bulge strip blocks (11), the transverse steel bars (2) and the upper bulge strip blocks (11) keep vertical relation, the longitudinal steel bars (3) are bent to form downward bulges (31), the downward bulges (31) are oppositely arranged, the arrangement distance of the downward bulges (31) is equal to the arrangement distance of the lower bulge strip blocks (12), the outline of the downward bulges (31) is also in an isosceles trapezoid shape, but the outline size of the downward bulges (31) is smaller than the section size of the lower bulge strip blocks (12), the vertical reinforcing steel bars (3) are arranged at the lower position in the floor slab body (1), downward protrusions (31) on the vertical reinforcing steel bars are located in the lower protrusion bar blocks (12), the vertical reinforcing steel bars (3) and the lower protrusion bar blocks (12) keep a vertical relation, the short reinforcing steel bars (4) are arranged and fixedly arranged on the vertical reinforcing steel bars (3), the bottom ends of the short reinforcing steel bars (4) are welded and fixed with the bottom sides of the downward protrusions (31) on the vertical reinforcing steel bars (3), the short reinforcing steel bars (4) and the vertical reinforcing steel bars (3) are in a vertical relation, the top ends of the short reinforcing steel bars (4) extend into the upper protrusion bar blocks (11) all the way upwards, and the top end positions of the short reinforcing steel bars (4) are in contact with the top sides of the upward protrusions (21) on the horizontal reinforcing steel bars (2).
2. The high flexural strength precast floor slab structure of claim 1, wherein: the utility model discloses a floor slab, including floor slab body (1), upper portion position on one side and last protruding piece (11) are interior to be arranged and are provided with upper portion lath (51), upper portion lath (51) and horizontal reinforcing bar (2) contact are alternately, and upper portion lath (51) and horizontal reinforcing bar (2) are in the vertical relation, floor slab body (1) is interior to be arranged in lower part position and lower protruding piece (12) and is provided with lower part lath (52), lower part lath (52) and vertical reinforcing bar (3) contact are alternately, and lower part lath (52) and vertical reinforcing bar (3) are in the vertical relation.
3. The high flexural strength precast floor slab structure of claim 2, wherein: and middle plate ribs (53) which are arranged in a cross manner are transversely and longitudinally arranged at the middle position in the floor slab body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802850.4U CN212506974U (en) | 2020-05-15 | 2020-05-15 | Prefabricated floor slab structure that bending strength is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802850.4U CN212506974U (en) | 2020-05-15 | 2020-05-15 | Prefabricated floor slab structure that bending strength is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506974U true CN212506974U (en) | 2021-02-09 |
Family
ID=74381325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020802850.4U Expired - Fee Related CN212506974U (en) | 2020-05-15 | 2020-05-15 | Prefabricated floor slab structure that bending strength is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506974U (en) |
-
2020
- 2020-05-15 CN CN202020802850.4U patent/CN212506974U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |