CN215977986U - Floor precast slab, prefabricated floor's mosaic structure and mounting structure - Google Patents
Floor precast slab, prefabricated floor's mosaic structure and mounting structure Download PDFInfo
- Publication number
- CN215977986U CN215977986U CN202121208028.6U CN202121208028U CN215977986U CN 215977986 U CN215977986 U CN 215977986U CN 202121208028 U CN202121208028 U CN 202121208028U CN 215977986 U CN215977986 U CN 215977986U
- Authority
- CN
- China
- Prior art keywords
- floor
- concrete
- prefabricated
- slab
- rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 210000003205 muscle Anatomy 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a floor precast slab, a splicing structure and an installation structure of the precast floor, wherein the floor precast slab comprises a concrete bottom plate, the concrete bottom plate is provided with a pre-embedded bottom rib, the pre-embedded bottom rib comprises a longitudinal rib and a transverse rib, the pre-embedded bottom rib does not extend out of the concrete bottom plate, the end part of the concrete bottom plate is provided with a plurality of notches in parallel, the extending direction of the notches is consistent with the arrangement direction of the longitudinal rib, the concrete bottom plate is provided with a plurality of concrete reinforcing ribs, and the concrete bottom plate and the concrete reinforcing ribs are integrally formed; the prefabricated floor boards are tightly spliced to form a splicing structure of the prefabricated floor, and two ends of each prefabricated floor board are respectively lapped on the cross beam to form a mounting structure of the prefabricated floor. The four sides of the precast slab of the floor slab have no ribs, so that the efficiency of design, production, logistics transportation and site construction is greatly improved, the cost is reduced, and the efficiency is improved; the concrete reinforcing ribs are used, so that the rigidity of the floor precast slabs can be effectively improved, the quality is good, and the precast slabs are prevented from cracking in the storage and transportation processes.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a prefabricated slab of a floor slab, a splicing structure of the prefabricated floor slab and an installation structure of the prefabricated floor slab.
Background
In the field of prefabricated construction, the most common and most used prefabricated part in the prefabricated concrete structure is a truss reinforced steel composite floor slab. Present truss reinforcing bar coincide floor is mostly the muscle or two faces play muscle component on four sides, because the superimposed sheet goes out the muscle and has all brought great inconvenience for design, factory production, site operation link, and the main performance is as follows: (1) designers need to consider the avoidance of the ribs of the laminated slab and the reinforcing steel bars of the beam, the wall and the column, so that the fine design workload is increased; (2) in the production process of a factory, because the rib is formed on the laminated slab, the die needs to be perforated, the utilization rate is low, and the die loss is large; (3) when in site operation, the laminated slab goes out the reinforcing bar and can appear reinforcing bar "putting up" phenomenon with other prefabricated components, and the installation effectiveness is low. In addition, due to the existence of the truss reinforcing steel bars, the steel content of the truss reinforcing steel bar composite floor slab is high, large reinforcing steel bar waste is caused, and the cost is high.
Therefore, the laminated slab with low steel content, which is convenient for various links such as design, production, transportation and installation, has very important significance for solving the important defects of the existing laminated slab, and the laminated slab with no ribs on four sides is provided to solve the problem.
In view of the above, it is desirable to provide a prefabricated slab, a splicing structure of prefabricated slabs and an installation structure of prefabricated slabs, which can reduce cost and improve efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a floor precast slab capable of reducing cost and improving efficiency, a splicing structure of the precast floor and an installation structure.
The above purpose is realized by the following technical scheme: the utility model provides a floor precast slab, includes concrete floor, concrete floor is equipped with pre-buried end muscle, pre-buried end muscle includes vertical muscle and horizontal muscle, pre-buried end muscle does not stretch out to outside the concrete floor, concrete floor's tip is provided with a plurality of notches side by side, the extending direction of notch with the direction of setting up of vertical muscle is unanimous, be equipped with a plurality of concrete stiffening ribs on the concrete floor, concrete floor with concrete stiffening rib integrated into one piece.
The four sides of the floor slab precast slab do not have ribs, so that the efficiency of design, production, logistics transportation and site construction is greatly improved, the cost is reduced, and the efficiency is improved; the concrete reinforcing rib is used, the truss reinforcing steel bar of the prefabricated slab is omitted, the using amount of the reinforcing steel bar is small, the prefabricated slab is economical and reasonable, the rigidity of the prefabricated slab of the floor slab can be effectively improved, the quality is good, and the prefabricated slab is prevented from cracking in the storage and transportation processes.
The notch is reserved for the overlap edge of floor prefabricated plate, and the degree of depth 35mm, width 25mm are reserved to the notch, and the notch is used for placing the rearmounted reinforcing bar.
The concrete reinforcing rib is further provided with a plurality of through holes, and the through holes are communicated with spaces on two sides of the concrete reinforcing rib. So set up, the concrete stiffening rib is equipped with and sets up the through-hole, and the one side helps the flow of the cast-in-place concrete of superimposed sheet, and the wholeness can be better, the interlude of pipeline when being convenient for construct on the one hand.
The concrete reinforcing rib is characterized in that the extending direction of the concrete reinforcing rib is consistent with the arrangement direction of the longitudinal ribs, and the two sides of the concrete reinforcing rib are provided with the notches.
The concrete reinforcing ribs are parallel to each other and are consistent with the arrangement direction of the notches.
The further technical scheme is that the depth and the width of the notch are 35mm and 25mm respectively.
In order to achieve the purpose, the utility model further provides a splicing structure of the prefabricated floor slab, which at least comprises any two prefabricated floor slabs, the longitudinal edges of the prefabricated floor slabs are tightly spliced, reinforced longitudinal ribs are arranged on the splicing sides of the prefabricated floor slabs, a plurality of additional transverse ribs are arranged along the splicing seams of the prefabricated floor slabs, and two ends of each additional transverse rib are respectively lapped on the reinforced longitudinal ribs of the two mutually spliced prefabricated floor slabs. When the prefabricated slab is specifically applied, the close splicing edges of the prefabricated slab of the floor slab are free of reserved notches, splicing and additional transverse ribs are placed at the close splicing positions during close splicing, the length of each edge of each additional transverse rib is not less than 15d (d is the diameter of a steel bar), and an integral structure is formed after the cast-in-place layer is poured.
In order to achieve the purpose, the utility model also provides a mounting structure of the precast floor slabs, wherein the connecting structure between the precast floor slabs adopts the splicing structure of the precast floor slabs, two ends of each precast floor slab are respectively lapped on the cross beam or the wall, the notch is internally provided with a reinforcing rib, and the reinforcing rib extends to the cross beam or the wall.
In the installation of coincide floor, the mosaic structure of the foretell prefabricated floor of connection structure between the floor prefabricated plate, the overlap joint of floor prefabricated plate is put the strengthening rib on crossbeam or wall in the overlap joint limit overlap joint of floor prefabricated plate, place the strengthening rib in the notch, the length of strengthening rib is not less than anchor length in the notch, it is not less than 15d (d is the reinforcing bar diameter) to stretch out length, and should stretch through the central line of crossbeam or wall, the back is pour to the coincide layer, the strengthening rib anchor is reliable, mechanical properties is good, the wholeness after the superimposed sheet pours with crossbeam or wall connection is good, factor of safety is high.
Compared with the prior art, no rib is arranged on four sides of the floor slab precast slab, the efficiency of design, production, logistics transportation and site construction is greatly improved, the cost is reduced, and the efficiency is improved; the concrete reinforcing rib is used, the truss steel bar of the prefabricated slab is eliminated, the steel bar consumption is low, the cost is low, the prefabricated slab is economic and reasonable, the rigidity of the floor slab can be effectively improved, the quality is good, and the prefabricated slab is prevented from cracking in the storage and transportation process; the concrete reinforcing rib is provided with the through hole, so that the concrete flow is facilitated when the laminated layer is cast in place, the overall performance is better, and the pipeline is convenient to penetrate during construction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic structural view of a floor slab according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a splicing structure of precast floor slabs according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an installation structure of a precast floor slab according to an embodiment of the present invention.
In the figure:
1 concrete bottom plate 2 longitudinal bar 3 transverse bar 4 notch
5 concrete reinforcing rib 6 through hole 7 reinforcing longitudinal bar 8 additional transverse bar
9 reinforcing rib 10 splicing seam 11 crossbeam 12 floor precast slab
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model provides a floor slab, which comprises a concrete bottom plate 1, wherein the concrete bottom plate 1 is provided with a pre-buried bottom rib, the pre-buried bottom rib comprises a longitudinal rib 2 and a transverse rib 3, the pre-buried bottom rib does not extend out of the concrete bottom plate 1, a plurality of notches 4 are arranged at the end part of the concrete bottom plate 1 in parallel, the extending direction of the notches 4 is consistent with the arrangement direction of the longitudinal rib 2, the concrete bottom plate 1 is provided with a plurality of concrete reinforcing ribs 5, and the concrete bottom plate 1 and the concrete reinforcing ribs 5 are integrally formed.
The four sides of the floor precast slab 12 of the utility model do not have ribs, the efficiency of design, production, logistics transportation and site construction is greatly improved, the cost is reduced and the efficiency is improved; the concrete reinforcing rib 5 is used, the truss steel bars of the prefabricated slab are omitted, the using amount of the steel bars is small, the prefabricated slab is economical and reasonable, the rigidity of the prefabricated slab 12 of the floor slab can be effectively improved, the quality is good, and the prefabricated slab is prevented from cracking in the storage and transportation processes.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the concrete reinforcing rib 5 is provided with a plurality of through holes 6, and the through holes 6 communicate with spaces on both sides of the concrete reinforcing rib 5. So set up, concrete stiffening rib 5 is equipped with and sets up through-hole 6, and the flow of concrete when helping the cast-in-place of superimposed sheet on the one hand, the wholeness can be better, the interlude of pipeline when being convenient for construct on the one hand.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the extending direction of the concrete reinforcing rib 5 is the same as the arrangement direction of the longitudinal ribs 2, and the notches 4 are arranged on both sides of the concrete reinforcing rib 5.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, a plurality of the concrete reinforcing ribs 5 are parallel to each other and all arranged in the same direction as the notch 4.
In another embodiment of the present invention, based on the above embodiment, the depth and width of the notch 4 are 35mm and 25mm, respectively.
The utility model also provides a splicing structure of a prefabricated floor, which comprises at least two prefabricated floor boards 12 as shown in figure 2, wherein the longitudinal edges of the prefabricated floor boards 12 are tightly spliced, reinforced longitudinal ribs 7 are arranged on the splicing sides of the prefabricated floor boards 12, a plurality of additional transverse ribs 8 are arranged along the splicing seams 10 of the prefabricated floor boards 12, and two ends of each additional transverse rib 8 are respectively lapped on the reinforced longitudinal ribs 7 of the two prefabricated floor boards 12 which are spliced with each other. When the prefabricated slab is specifically applied, the prefabricated slab 12 of the floor slab is densely spliced without reserved notches 4, splicing additional transverse bars 8 are placed at the densely spliced positions during dense splicing, the length of each side of each additional transverse bar 8 is not less than 15d (d is the diameter of a steel bar), and an integral structure is formed after a cast-in-place layer is poured.
The utility model also provides a mounting structure of a prefabricated floor, and the embodiment is as follows, as shown in fig. 3, the connection structure between the prefabricated floor boards 12 adopts the splicing structure of the prefabricated floor, two ends of each prefabricated floor board 12 are respectively lapped on the cross beam 11 or the wall, the notch 4 is internally provided with a reinforcing rib 9, and each reinforcing rib 9 extends to the cross beam 11 or the wall.
In the installation of coincide floor, the mosaic structure of the foretell prefabricated floor of connection structure between the floor prefabricated plate 12, the overlap joint of floor prefabricated plate 12 is on crossbeam 11 or the wall, place strengthening rib 9 in the notch 4, the length of strengthening rib 9 is not less than anchor length in the notch 4, it is not less than 15d (d is the reinforcing bar diameter) to stretch out length, and should stretch through the central line of crossbeam 11 or wall, the back is pour to the superimposed sheet, strengthening rib 9 anchor is reliable, mechanical properties is good, the superimposed sheet is connected the wholeness after pouring with crossbeam 11 and is good, factor of safety is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a floor precast slab, includes concrete floor, concrete floor is equipped with pre-buried end muscle, pre-buried end muscle includes vertical muscle and horizontal muscle, its characterized in that, pre-buried end muscle does not stretch out to outside the concrete floor, concrete floor's tip is provided with a plurality of notches side by side, the extending direction of notch with the direction that sets up of vertical muscle is unanimous, be equipped with a plurality of concrete stiffening ribs on the concrete floor, concrete floor with concrete stiffening rib integrated into one piece.
2. A floor slab as claimed in claim 1, wherein the concrete reinforcing rib is provided with a plurality of through holes communicating spaces on both sides of the concrete reinforcing rib.
3. A floor slab as claimed in claim 1, wherein the concrete reinforcing rib extends in the same direction as the longitudinal ribs, and the notches are formed on both sides of the concrete reinforcing rib.
4. A floor slab as claimed in claim 2 or 3, wherein a plurality of the concrete reinforcing ribs are parallel to each other and are arranged in the same direction as the direction of the rebates.
5. A floor slab according to claim 4, in which the depth and width of the rebates are 35mm and 25mm respectively.
6. A splicing structure of a prefabricated floor slab is characterized by comprising at least two prefabricated floor slabs according to any one of claims 1 to 5, wherein the longitudinal edges of the prefabricated floor slabs are spliced tightly, reinforced longitudinal ribs are arranged on the splicing sides of the prefabricated floor slabs, a plurality of additional transverse ribs are arranged along the splicing seams of the prefabricated floor slabs, and two ends of each additional transverse rib are respectively lapped on the reinforced longitudinal ribs of the two mutually spliced prefabricated floor slabs.
7. A prefabricated floor slab mounting structure, characterized in that the connection structure between prefabricated slabs adopts the prefabricated floor slab splicing structure of claim 6, the two ends of the prefabricated slabs of the floor slab are respectively lapped on a beam or a wall, a reinforcing rib is arranged in the notch, and the reinforcing rib extends to the beam or the wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121208028.6U CN215977986U (en) | 2021-06-01 | 2021-06-01 | Floor precast slab, prefabricated floor's mosaic structure and mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121208028.6U CN215977986U (en) | 2021-06-01 | 2021-06-01 | Floor precast slab, prefabricated floor's mosaic structure and mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215977986U true CN215977986U (en) | 2022-03-08 |
Family
ID=80513492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121208028.6U Expired - Fee Related CN215977986U (en) | 2021-06-01 | 2021-06-01 | Floor precast slab, prefabricated floor's mosaic structure and mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215977986U (en) |
-
2021
- 2021-06-01 CN CN202121208028.6U patent/CN215977986U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209924233U (en) | Assembled building floor structure | |
| WO2020253811A1 (en) | Local composite slab connection node, and construction method therefor | |
| CN212866534U (en) | Assembled coincide floor | |
| CN210766862U (en) | Prefabricated two-sided cast-in-place superimposed sheet retaining wall | |
| CN114482400A (en) | Superposed beam connected with prefabricated vertical component | |
| CN215977986U (en) | Floor precast slab, prefabricated floor's mosaic structure and mounting structure | |
| CN106836641A (en) | Side sticking steel plate formula Combined concrete coupling beam | |
| CN107012986A (en) | Multilayer steel-enclosed concrete members composite coupling beams | |
| CN104032862B (en) | Assembled girder steel seam line L shape mixing coupled wall and construction method thereof | |
| CN110735492A (en) | Connecting structure of prestressed hollow composite slabs and construction method thereof | |
| CN206681262U (en) | A kind of prefabricated Concrete-Filled Square Steel Tube coupling beam of multilayer | |
| CN207296062U (en) | A kind of honeycomb hole combined steel plate shearing force wall | |
| CN111335530A (en) | Variable cross-section one-way hollow prefabricated slab for block building laminated slab | |
| CN211286164U (en) | Self-compaction regeneration block concrete superimposed shear wall | |
| CN114753482A (en) | Assembled rectangular pool | |
| CN205421710U (en) | Permanent beam mold board, concrete structure component are connected to arrangement of reinforcement formula buckle | |
| CN108590006A (en) | A kind of double-T shaped armored concrete prefabricated panel and its superimposed sheet of making | |
| CN211499482U (en) | Reinforcing steel bar layer positioned at external corner part | |
| CN104847111B (en) | Construction method for coupling beam between shear wall limbs | |
| CN104047380B (en) | Assembled girder steel seam T-shaped mixing coupled wall and construction method thereof | |
| CN113482219A (en) | Assembly type disassembly-free floor bearing plate | |
| CN221823186U (en) | Additional rib connecting structure for composite floor slab | |
| CN111335531A (en) | Building block variable cross-section unidirectional prefabricated hollow slab superposed floor | |
| CN204850188U (en) | One -way superimposed sheet piece connection structure | |
| CN109853806A (en) | It overlaps concrete steel ladder mouth and splices two-way floor |
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: 20220308 |