CN216865649U - Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab - Google Patents

Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab Download PDF

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CN216865649U
CN216865649U CN202220348297.0U CN202220348297U CN216865649U CN 216865649 U CN216865649 U CN 216865649U CN 202220348297 U CN202220348297 U CN 202220348297U CN 216865649 U CN216865649 U CN 216865649U
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reinforced concrete
bottom plate
prefabricated bottom
prefabricated
steel bars
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马锋
张月娥
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Abstract

The utility model discloses a multi-rib prefabricated bottom plate for a reinforced concrete bidirectional composite slab, which comprises: the reinforced concrete prefabricated bottom plate comprises a reinforced concrete prefabricated bottom plate, one or more reinforced concrete longitudinal ribs arranged on the reinforced concrete prefabricated bottom plate, a plurality of filling weight reducing blocks arranged on the reinforced concrete prefabricated bottom plate, and transverse reinforcing steel bars and longitudinal reinforcing steel bars arranged in the reinforced concrete prefabricated bottom plate; the transverse reinforcing steel bars extend out of the reinforced concrete prefabricated bottom plate. Compared with the traditional steel bar truss concrete composite slab, the utility model optimizes and promotes the floor system of the traditional steel bar truss concrete composite slab, improves the rigidity and the strength of the prefabricated bottom plate of the composite slab, has simple production, small investment, small risk and high production and installation speed, is beneficial to opening holes on a construction site, and really realizes the purposes of no mold and no support.

Description

Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab
Technical Field
The utility model relates to the technical field of assembly type buildings, in particular to a multi-rib prefabricated bottom plate for a reinforced concrete bidirectional composite slab.
Background
The increase rate of the labor cost of building construction is gradually faster than the price increase rate of building materials, and the traditional cast-in-place concrete structure and the construction process thereof are time-consuming, labor-consuming and environment-polluting. In the existing traditional reinforced truss concrete composite slab, because the plane external rigidity of the prefabricated bottom plate is small, a large number of scaffolds and templates need to be erected during construction, and the using amount is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the multi-rib prefabricated bottom plate for the reinforced concrete bidirectional laminated slab, which improves the rigidity and the strength of the prefabricated bottom plate of the laminated slab and really realizes the mold-free and support-free effect, is provided aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is to provide a multi-rib prefabricated bottom plate for a reinforced concrete bidirectional composite slab, which comprises the following steps: the reinforced concrete prefabricated bottom plate comprises a reinforced concrete prefabricated bottom plate, one or more reinforced concrete longitudinal ribs arranged on the reinforced concrete prefabricated bottom plate, a plurality of filling weight reducing blocks arranged on the reinforced concrete prefabricated bottom plate, and transverse reinforcing steel bars and longitudinal reinforcing steel bars arranged in the reinforced concrete prefabricated bottom plate; the transverse reinforcing steel bars extend out of the reinforced concrete prefabricated bottom plate, or both ends of the transverse reinforcing steel bars do not extend out of the prefabricated bottom plate, or one end of the transverse reinforcing steel bars does not extend out of the prefabricated bottom plate, and the other end of the transverse reinforcing steel bars extends out of the prefabricated bottom plate.
Furthermore, a plurality of reinforced concrete prefabricated bottom plates are connected into a whole in a post-cast strip mode; the width of the post-pouring belt is more than or equal to 50 mm.
Furthermore, the filling weight reducing blocks are arranged at the lower parts of the reinforced concrete longitudinal ribs and close to the horizontal part of the reinforced concrete prefabricated bottom plate.
Further, the length-to-height ratio of the filling weight-reducing block is greater than or equal to 1.
Furthermore, the filling weight reducing block is made of polystyrene, a light foamed cement block, a steel plate, a steel mesh, an aluminum foil, expanded perlite, ceramsite, a silica rock plate or gypsum.
Further, the shape of the filling weight reducing block is square, rectangular, triangular, trapezoidal, arc, diamond or polygonal.
Furthermore, longitudinal steel bars are further arranged in the reinforced concrete prefabricated bottom plate and extend out of the reinforced concrete prefabricated bottom plate.
Furthermore, one or more lifting hooks are further arranged on the reinforced concrete prefabricated bottom plate.
Further, the concrete of the reinforced concrete prefabricated bottom plate and the reinforced concrete longitudinal ribs is silicate concrete, self-compacting concrete, ceramsite concrete, lightweight concrete or lightweight aggregate concrete.
Further, the reinforced concrete longitudinal ribs and the reinforced concrete prefabricated bottom plate are integrally cast or the reinforced concrete longitudinal ribs and the reinforced concrete prefabricated bottom plate are cast together after being prefabricated.
The utility model has the following beneficial effects: compared with the traditional steel bar truss concrete composite slab, the utility model optimizes and promotes the floor system of the traditional steel bar truss concrete composite slab, improves the rigidity and the strength of the prefabricated bottom plate of the composite slab, has simple production, small investment, small risk and high production and installation speed, is beneficial to opening holes on a construction site, and really realizes the purposes of no mold and no support.
Drawings
FIG. 1 is a schematic view of the prefabricated panels after they are stacked;
FIG. 2 is a plan view of a prefabricated base plate;
FIG. 3 is a plan view of a prefabricated floor bar;
FIG. 4 is a schematic diagram of bar-shaped filling weight reducing blocks on two sides of a longitudinal rib of a prefabricated base plate, and bars are formed on two sides of a reinforcing steel bar;
FIG. 5 is a schematic diagram of strip-shaped filling weight reducing blocks on two sides of a longitudinal rib of a prefabricated base plate, and ribs are formed on four sides of a reinforcing steel bar;
FIG. 6 is a schematic view of arc-shaped filling weight reducing blocks on two sides of a longitudinal rib of a prefabricated base plate, and ribs are formed on two sides of a reinforcing steel bar;
FIG. 7 is a schematic view of arc-shaped filling weight reducing blocks on two sides of longitudinal ribs of a prefabricated base plate, and ribs are formed on four sides of a reinforcing steel bar.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: a multi-rib prefabricated bottom plate for a reinforced concrete composite slab comprises a reinforced concrete prefabricated bottom plate 1, reinforced concrete longitudinal ribs 2, longitudinal steel bars 3, transverse steel bars 4, filling weight-reducing blocks 5, lifting hooks 6 and cast-in-place composite layer reinforced concrete 7.
The longitudinal steel bars 3 and the transverse steel bars 4 are arranged in the reinforced concrete prefabricated bottom plate 1, and the longitudinal steel bars 3 and the transverse steel bars 4 are bidirectionally arranged to form a steel bar mesh. The reinforcing mesh is preferably a finished welded reinforcing mesh.
The longitudinal steel bars 3 and the transverse steel bars 4 can also respectively extend out of the prefabricated bottom plate 1 from one, two, three and four sides. It is also possible to project only the transverse bars 4.
The lower part of the reinforced concrete longitudinal rib 2 is provided with an embedded filling weight reducing block 5 close to the horizontal part of the prefabricated bottom plate 1, and the filling material is light filling material or solid filling material.
The additional functions of the filling weight reducing block 5 are filling, weight reducing, sound insulation, heat preservation, heat insulation, vibration reduction and the like of the floor slab, and the using amount of the laminated layer cast-in-place concrete is reduced.
The length-to-height ratio of the filling weight-reducing block is more than or equal to 1.
The material for filling the weight reducing block is polystyrene, light foamed cement block, steel plate, steel mesh, aluminum foil, expanded perlite, ceramsite, silica rock plate or gypsum.
The shape of the filling weight reducing block is square, rectangular, triangular, trapezoidal, arc-shaped, rhombic or polygonal.
The concrete of the reinforced concrete prefabricated bottom plate and the reinforced concrete longitudinal ribs is silicate concrete, self-compacting concrete, ceramsite concrete, lightweight concrete or lightweight aggregate concrete.
The reinforced concrete longitudinal ribs and the reinforced concrete prefabricated bottom plate are integrally cast or the reinforced concrete longitudinal ribs and the reinforced concrete prefabricated bottom plate are cast together after being prefabricated.
When the utility model is used, the prefabricated bottom plate 1 is a bidirectional plate during construction, and is thinner than the traditional reinforced concrete composite slab, thereby saving the reinforcing steel bars, the concrete and the templates and reducing the construction work amount of the scaffold. The plates are connected with each other in a post-cast strip mode to form a whole, the design width of the post-cast strip is more than or equal to 50mm, and the connection mode of the post-cast strip enables the floor slab to have no plate seams, no cracks and strong integrity. And (3) pouring concrete (containing reinforcing steel bars) with a certain thickness on the prefabricated bottom plate in site construction according to design requirements to form a laminated floor slab, and jointly bearing force.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a two-way superimposed sheet of reinforced concrete is with prefabricated bottom plate of multi-rib which characterized in that includes: the reinforced concrete prefabricated bottom plate comprises a reinforced concrete prefabricated bottom plate, one or more reinforced concrete longitudinal ribs arranged on the reinforced concrete prefabricated bottom plate, a plurality of filling weight reducing blocks arranged on the reinforced concrete prefabricated bottom plate, and transverse reinforcing steel bars and longitudinal reinforcing steel bars arranged in the reinforced concrete prefabricated bottom plate; the transverse reinforcing steel bars extend out of the reinforced concrete prefabricated bottom plate.
2. The multi-rib prefabricated bottom plate for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein a plurality of reinforced concrete prefabricated bottom plates are connected to form a whole by means of a post-cast strip; the width of the post-pouring belt is more than or equal to 50 mm.
3. The multi-ribbed prefabricated floor for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein the filling weight-reducing blocks are disposed at lower portions of the reinforced concrete longitudinal ribs adjacent to a horizontal portion of the reinforced concrete prefabricated floor.
4. The multi-ribbed precast floor for a reinforced concrete bidirectional composite slab as set forth in claim 1, wherein a length-to-height ratio of said filling weight-reducing blocks is 1 or more.
5. The multi-ribbed prefabricated floor for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein the material of the filling weight-reducing block is polystyrene, a lightweight foamed cement block, a steel plate, aluminum foil, expanded perlite, ceramsite, a silica rock plate or gypsum.
6. The multi-ribbed prefabricated floor for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein the shape of the filling weight-reducing block is a square, a rectangle, a triangle, a trapezoid, an arc, a diamond, or a polygon.
7. The multi-ribbed prefabricated bottom plate for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein longitudinal reinforcing steel bars are further disposed in the reinforced concrete prefabricated bottom plate, and the longitudinal reinforcing steel bars extend out of the reinforced concrete prefabricated bottom plate or neither of the two ends of the longitudinal reinforcing steel bars extend out of the prefabricated bottom plate, or one end of the longitudinal reinforcing steel bars does not extend out of the prefabricated bottom plate and the other end of the longitudinal reinforcing steel bars extends out of the prefabricated bottom plate.
8. The multi-ribbed prefabricated floor for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein one or more hooks are further provided on the reinforced concrete prefabricated floor.
9. The multi-ribbed precast floor for a reinforced concrete bidirectional composite slab according to claim 1, wherein the concrete of the reinforced concrete precast floor and the reinforced concrete longitudinal ribs is silicate concrete, self-compacting concrete, ceramsite concrete, lightweight concrete, or lightweight aggregate concrete.
10. The multi-rib prefabricated base plate for a reinforced concrete bidirectional composite slab as claimed in claim 1, wherein the reinforced concrete longitudinal ribs are integrally cast with the reinforced concrete prefabricated base plate or are cast with the reinforced concrete prefabricated base plate after the reinforced concrete longitudinal ribs are prefabricated.
CN202220348297.0U 2022-02-21 2022-02-21 Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab Active CN216865649U (en)

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CN202220348297.0U CN216865649U (en) 2022-02-21 2022-02-21 Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220348297.0U CN216865649U (en) 2022-02-21 2022-02-21 Multi-rib prefabricated bottom plate for reinforced concrete bidirectional laminated slab

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116905720A (en) * 2023-07-26 2023-10-20 安徽金鹏绿色建筑产业集团有限公司 Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116905720A (en) * 2023-07-26 2023-10-20 安徽金鹏绿色建筑产业集团有限公司 Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof
CN116905720B (en) * 2023-07-26 2024-02-13 安徽金鹏绿色建筑产业集团有限公司 Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof

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GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: TUHUI Environmental Protection Technology (Hainan) Co.,Ltd.

Assignor: Ma Feng|Zhang Yuee

Contract record no.: X2023980031957

Denomination of utility model: Multi-ribbed precast bottom plate for reinforced concrete two-way composite slab

Granted publication date: 20220701

License type: Exclusive License

Record date: 20230210