CN114197744B - Integrated prefabricated plate - Google Patents
Integrated prefabricated plate Download PDFInfo
- Publication number
- CN114197744B CN114197744B CN202111547026.4A CN202111547026A CN114197744B CN 114197744 B CN114197744 B CN 114197744B CN 202111547026 A CN202111547026 A CN 202111547026A CN 114197744 B CN114197744 B CN 114197744B
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- China
- Prior art keywords
- concrete
- ribs
- longitudinal
- bottom plate
- integrally formed
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/382—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of concrete or other stone-like substance
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/36—Installations of cables or lines in walls, floors or ceilings
- H02G3/38—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts
Abstract
The invention discloses an integrated precast slab which comprises a concrete bottom plate, a plurality of longitudinal concrete ribs and reinforcing steel bar meshes, wherein the periphery of the concrete bottom plate is not provided with ribs, the longitudinal concrete ribs are arranged on the concrete bottom plate at equal intervals in parallel, main ribs extend from two ends of the longitudinal concrete ribs, the extending main ribs are bent upwards to form Z-shaped bending sections, the reinforcing steel bar meshes are paved on the surfaces of two ends of the longitudinal concrete ribs and are bound with the bending sections at two ends of the main ribs. The integrated precast slab disclosed by the invention not only realizes that the bottom plate is not provided with ribs, but also ensures the connection reliability of the additional ribs.
Description
Technical Field
The invention relates to the field of concrete precast slabs, in particular to an integrated precast slab.
Background
The assembled concrete precast slab structure has the advantages of high construction efficiency, energy conservation, environmental protection, accurate quality control and the like. The main forms of the existing fabricated laminated slab are ribbed concrete laminated slab, prestressed concrete laminated slab, reinforced truss concrete laminated slab and the like, and the reinforced concrete prefabricated bottom plates adopted by the laminated slabs are all provided with reinforcing steel bars extending out around after pouring is completed and are connected with the peripheral members of the prefabricated slab.
When traditional reinforced concrete precast slabs are manufactured in a component factory, due to the fact that the overhanging reinforcing steel bars are arranged, different templates are required to be manufactured according to the reinforcement condition of the precast slabs before pouring, the prefabrication cost is improved, the prefabrication efficiency is low, and the requirement of automatic production is not met. In actual engineering, due to the problems of design defects or insufficient component precision and the like, collision and collision of the steel bars can occur in the hoisting process, and great difficulty is brought to the construction process.
The existing reinforced concrete precast slab is not provided with a reinforcement technology, and an overhanging part of the reinforced concrete precast slab is replaced by an additional reinforcement to be connected with other components such as a beam, a wall body and the like and a cast-in-situ layer, but the method has the problems that the additional reinforcement is difficult to fix and the additional reinforcement is easy to shift when the upper concrete is poured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the integrated precast slab, which not only realizes that the bottom plate is not ribbed, but also ensures the connection reliability of the additional ribs.
The invention discloses an integrated precast slab which comprises a concrete bottom plate, a plurality of longitudinal concrete ribs and reinforcing steel bar meshes, wherein the periphery of the concrete bottom plate is not provided with ribs, the longitudinal concrete ribs are arranged on the concrete bottom plate at equal intervals in parallel, main ribs extend from two ends of the longitudinal concrete ribs, the extending main ribs are bent upwards to form Z-shaped bending sections, the reinforcing steel bar meshes are paved on the surfaces of two ends of the longitudinal concrete ribs and are bound with the bending sections at two ends of the main ribs.
Preferably, a plurality of shear grooves are formed in the bottom of the longitudinal concrete rib at equal intervals, and precast blocks are poured in the shear grooves.
Preferably, two groups of transverse concrete ribs are arranged on the concrete bottom plate and are respectively positioned at two ends of the longitudinal concrete ribs, and the bending sections of the main ribs are arranged on the transverse concrete ribs.
Preferably, a plurality of second shear grooves are formed in the bottom of the transverse concrete rib at equal intervals, and precast blocks are poured in the second shear grooves.
Preferably, the concrete bottom plate is provided with a plurality of concrete blocks, and the concrete blocks are positioned between two adjacent longitudinal concrete ribs.
Preferably, the concrete bottom plate is provided with a plurality of concrete blocks, the concrete blocks are positioned at two ends of the longitudinal concrete rib, and the bending section of the main rib is arranged on the concrete blocks.
Preferably, the ladder bars are arranged in the longitudinal concrete ribs, and one end of the main bar, which is inserted into the longitudinal concrete ribs, is bound with the ladder bars.
Preferably, a wire box is pre-buried on the concrete bottom plate, and the hose end connected with the wire box extends to the side edge of the concrete bottom plate.
Preferably, the hose traverses the shear grooves of the longitudinal concrete ribs.
The beneficial effects of the invention are as follows: an integrated prefabricated panel having the following:
the plurality of longitudinal concrete ribs which are parallel to each other are arranged, so that the overall rigidity of the precast slab can be improved, the damage caused by hoisting, demoulding and transportation of the precast slab in the production process of a precast plant is reduced, and the development of cracks is avoided; meanwhile, as the longitudinal concrete ribs improve the overall rigidity, the temporary support under the traditional superimposed sheet can be reduced in the field construction process, the floor support cost is reduced, the engineering cost is saved, and the construction period is shortened;
the bottom plate adopts a structure without bar outlet, the reinforcing mesh is arranged at the upper part and used as an additional reinforcing bar, the reinforcing mesh and the bending main bars extending out from the two ends of the longitudinal concrete rib are bound to form an integrated reinforcing mesh, the construction form not only reduces the on-site reinforcing binding workload, improves the working efficiency, reduces the labor cost, but also avoids the problems of displacement and the like in the subsequent pouring process;
compared with truss ribs used by the traditional steel bar truss superimposed sheet, the longitudinal concrete rib saves the steel consumption and reduces the steel consumption cost under the condition of ensuring the rigidity advantage of the precast slab;
the left side and the right side of the longitudinal concrete rib strip and the transverse concrete rib strip are respectively provided with a plurality of rectangular grooves to form shear grooves, the light precast blocks are filled in the shear grooves which are distributed at equal intervals, so that the light precast blocks are convenient to poke out in a construction site and are convenient to penetrate pipelines, meanwhile, the ribs with the shear grooves act together with post-cast concrete to resist shearing force generated by horizontal displacement, the binding force between a precast slab and the post-cast concrete is improved, and the integrity of a cast-in-situ floor slab is improved;
the bending main rib extending from the end part of the longitudinal concrete rib is not only extended into the beam or the wall support during subsequent pouring, so that the anchoring capability of the prefabricated member steel bar and the cast-in-situ member can be improved, but also used as the hogging moment steel bar of the superimposed sheet, the consumption of the steel bar of the superimposed cast-in-situ layer is reduced, the steel cost is further reduced, the binding with the additional rib is realized, and the connection firmness of the additional rib is improved;
the line box and the hose are embedded in the precast slab, the hose is high in compression resistance, high in rigidity, flexible in bending movement and high in stretchability, the line box and the hose are embedded in the precast slab for production, the integrated precast slab integrated with the pipeline is formed, the construction phenomenon of the traditional floor pipeline cross collision can be improved, and the related construction pain point is solved.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is an overall construction diagram of a first embodiment of the present invention;
FIG. 2 is a top view of a first embodiment of the present invention;
FIG. 3 is a partial front view of a first embodiment of the present invention;
fig. 4 is a structural view of a longitudinal concrete rib according to a first embodiment of the present invention;
fig. 5 is a construction diagram of a reinforcement bar inside a longitudinal concrete rib according to a first embodiment of the present invention;
FIG. 6 is a side cross-sectional view of a longitudinal concrete rib in a first embodiment of the invention;
FIG. 7 is an overall construction diagram of a second embodiment of the present invention;
FIG. 8 is a top view of a second embodiment of the present invention;
FIG. 9 is a partial front view of a second embodiment of the present invention;
FIG. 10 is an overall construction diagram of a third embodiment of the present invention;
FIG. 11 is a top view of a third embodiment of the present invention;
fig. 12 is a partial front view of a third embodiment of the present invention.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
First embodiment
As shown in fig. 1 to 6, the integrated precast slab disclosed by the invention is integrated with additional ribs and pipelines, and structurally comprises a concrete bottom plate 1, a plurality of longitudinal concrete ribs 2, two groups of transverse concrete ribs 3 and a reinforcing mesh 4, wherein the reinforcing mesh is arranged in the concrete bottom plate, the whole body is of a structure with no ribs on the periphery, the longitudinal concrete ribs are arranged on the concrete bottom plate at equal intervals in parallel, the two groups of transverse concrete ribs are arranged on the concrete bottom plate and are respectively positioned at two ends of the longitudinal concrete ribs, and the reinforcing mesh is paved on the surfaces of two ends of the longitudinal concrete ribs and is bound with main ribs extending from the ends of the longitudinal concrete ribs.
Specifically speaking, the inside ladder muscle 21 that is equipped with of vertical concrete rib, ladder muscle both ends ligature have the main muscle 22, and the free end of main muscle extends vertical concrete rib to upwards bend and form the section 23 of bending of Z, the main muscle bottom surface height after bending is unanimous with the height of vertical concrete rib, erects on horizontal concrete rib, and main muscle tip extends concrete bottom plate simultaneously, in the follow-up roof beam or the wall support of stretching into of being convenient for. One end of the main reinforcement is poured in the longitudinal concrete body, and the reinforcing mesh is bound with the other end of the main reinforcement, so that the connection firmness of the reinforcing mesh is improved.
The longitudinal concrete rib bottom equidistant is equipped with a plurality of shear force grooves 24, has pour precast block 25 in this shear force inslot, and this precast block is light precast block, can open the precast block on site when needs are worn the pipeline, realizes high-efficient pipeline of wearing, and simultaneously when need not wear the pipeline, the inside precast block can improve the rigidity of prefabricated plate, and the shear force in horizontal displacement place can be resisted in the shear force groove of both sides when follow-up pouring, improves the adhesion between prefabricated plate and the cast in place concrete, improves the uniformity of floor after pouring.
The bottom of the transverse concrete rib is equally provided with a plurality of second shear grooves 31 at equal intervals, precast blocks are cast in the second shear grooves, and the actions of the precast blocks are consistent with those of the shear grooves on the longitudinal concrete rib, and the precast blocks are not repeated here.
For the line integration of precast slabs, a line box 5 is pre-buried in the concrete floor, which is connected to a hose 6, which passes through the shear grooves of the longitudinal and transversal concrete ribs, extending to the side edges of the concrete floor.
Second embodiment
As shown in fig. 7 to 9, in another structural form of an integrated precast slab disclosed by the invention, compared with the structure of the first embodiment, two groups of transverse concrete ribs are removed, and concrete blocks 7 are arranged between two adjacent longitudinal concrete ribs, so that the effect achieved by the concrete blocks is consistent with that of the transverse concrete ribs, the support of reinforcing steel bar meshes is achieved, the overall rigidity of the precast slab is enhanced, and other structures are consistent with that of the first embodiment, so that redundant description is omitted.
Third embodiment
As shown in fig. 10, the third structural form of the integrated precast slab disclosed in the present invention is that the concrete blocks in the second embodiment are even at two ends of the longitudinal concrete rib, so as to perform a bearing function on the reinforcing mesh and the main rib, and further enhance the overall rigidity of the precast slab.
The integrated precast slab disclosed by the invention not only improves the rigidity of the whole precast slab, but also reduces the cost of the integrated precast slab and ensures the connection stability of the subsequent concrete pouring.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. An integrated prefabricated plate which is characterized in that: the concrete bottom plate is characterized by comprising a concrete bottom plate, a plurality of longitudinal concrete ribs and reinforcing steel bar meshes, wherein the ribs are not arranged on the periphery of the concrete bottom plate, the longitudinal concrete ribs are arranged on the concrete bottom plate at equal intervals in parallel, main ribs extend from two ends of the longitudinal concrete ribs, the extending main ribs are bent upwards to form Z-shaped bending sections, and the reinforcing steel bar meshes are paved on the surfaces of two ends of the longitudinal concrete ribs and are bound with the bending sections at two ends of the main ribs.
2. An integrally formed prefabricated panel as claimed in claim 1, wherein: a plurality of shear grooves are formed in the bottoms of the longitudinal concrete ribs at equal intervals, and precast blocks are poured in the shear grooves.
3. An integrally formed prefabricated panel as claimed in claim 1, wherein: two groups of transverse concrete ribs are arranged on the concrete bottom plate and are respectively positioned at two ends of the longitudinal concrete ribs, and the bending sections of the main ribs are arranged on the transverse concrete ribs.
4. An integrally formed prefabricated panel as claimed in claim 3, wherein: and a plurality of second shear grooves are formed in the bottoms of the transverse concrete ribs at equal intervals, and precast blocks are poured in the second shear grooves.
5. An integrally formed prefabricated panel as claimed in claim 1, wherein: and a plurality of concrete blocks are arranged on the concrete bottom plate, and the concrete blocks are positioned between two adjacent longitudinal concrete ribs or positioned at two ends of the longitudinal concrete ribs.
6. An integrally formed prefabricated panel as claimed in claim 1, wherein: the concrete bottom plate is provided with a plurality of concrete blocks, the concrete blocks are positioned at two ends of the longitudinal concrete rib, and the bending section of the main rib is arranged on the concrete blocks.
7. An integrally formed prefabricated panel as claimed in claim 1, wherein: the ladder bars are arranged in the longitudinal concrete ribs, and one end of the main bar inserted into the longitudinal concrete ribs is bound with the ladder bars.
8. An integrally formed prefabricated panel as claimed in claim 2, wherein: and a wire box is pre-buried on the concrete bottom plate, and the end part of a hose connected with the wire box extends to the side edge of the concrete bottom plate.
9. An integrally formed precast slab as set forth in claim 8, wherein: the hose traverses the shear grooves of the longitudinal concrete ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547026.4A CN114197744B (en) | 2021-12-16 | 2021-12-16 | Integrated prefabricated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547026.4A CN114197744B (en) | 2021-12-16 | 2021-12-16 | Integrated prefabricated plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114197744A CN114197744A (en) | 2022-03-18 |
| CN114197744B true CN114197744B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111547026.4A Active CN114197744B (en) | 2021-12-16 | 2021-12-16 | Integrated prefabricated plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114197744B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704836U (en) * | 2010-03-29 | 2011-01-12 | 曙光控股集团有限公司 | Reinforced concrete prefabricated component plate with rib |
| CN102635184A (en) * | 2012-04-11 | 2012-08-15 | 中国十七冶集团有限公司 | Reinforced concrete laminated slab |
| CN111456318A (en) * | 2020-04-10 | 2020-07-28 | 悉地国际设计顾问（深圳）有限公司 | Prefabricated slab, manufacturing method of prefabricated slab, stacking method of prefabricated slab and construction method of prefabricated slab |
| CN112160478A (en) * | 2020-09-03 | 2021-01-01 | 重庆中科建设（集团）有限公司 | Non-stretching rib combined composite slab with prefabricated prestressed concrete ribs |
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2021
- 2021-12-16 CN CN202111547026.4A patent/CN114197744B/en active Active
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| Publication number | Publication date |
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| CN114197744A (en) | 2022-03-18 |
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