CN217759486U - Prefabricated plate structure and coincide floor - Google Patents
Prefabricated plate structure and coincide floor Download PDFInfo
- Publication number
- CN217759486U CN217759486U CN202221561774.8U CN202221561774U CN217759486U CN 217759486 U CN217759486 U CN 217759486U CN 202221561774 U CN202221561774 U CN 202221561774U CN 217759486 U CN217759486 U CN 217759486U
- Authority
- CN
- China
- Prior art keywords
- cast
- precast slab
- place layer
- observation
- observation block
- 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.)
- Active
Links
Images
Landscapes
- Panels For Use In Building Construction (AREA)
Abstract
The utility model discloses a precast slab structure, which comprises a precast slab body and an observation block; a plurality of groups of observation blocks are uniformly distributed on the precast slab body; when pouring, when the thickness on cast-in-place layer just does not cross the last top surface of observing the piece, stop to pour, solved when pouring cast-in-place layer the problem that the thickness of pouring in each position is difficult to the accuse, the cost is saved and construction quality has been improved to the at utmost, and, the utility model discloses consider the joint strength of observing piece and prefabricated plate body and cast-in-place layer to the influence of structure itself, can realize through setting up the fixed slot that the observation piece is together fixed with prefabricated plate body and cast-in-place layer to the joint strength can further be guaranteed to the reinforcing bar standing groove, reach the requirement with the intensity that the realization was poured and is accomplished the back structure. The utility model also discloses a composite floor slab, which comprises a cast-in-situ layer and a prefabricated plate structure; the utility model discloses a coincide floor thickness is accurate, and structural strength is high.
Description
Technical Field
The utility model relates to a construction field, concretely relates to prefabricated plate structure and coincide floor.
Background
The laminated floor slab is an assembled integral floor slab formed by laminating precast slabs and cast-in-place reinforced concrete layers (namely cast-in-place layers or pouring layers), the laminated floor slab has good integrity, the upper and lower surfaces of the slabs are smooth, decoration of a finish coat is facilitated, and the laminated floor slab is suitable for high-rise buildings and large-bay buildings with higher integral rigidity requirements.
The thickness control of the cast-in-place layer in the prior art basically comprises the following methods: 1. in the construction process, a steel chisel (or a steel bar and the like) or other hard rod-shaped objects are inserted into a poured part for measurement, if the method does not have vertical measurement, a large error is caused, single-point measurement does not have reference, multiple times of measurement also need to be carried out by hands, and the method is not suitable in the later pouring period; 2. and (3) pulling wires (generally a control wire with the floor elevation of 0.5 m) between the column steel bars on the casting surface, and then measuring the wires downwards to the casting surface elevation by using a ruler, wherein if wind blows, the cotton wires deform, and the measurement result is inaccurate.
In view of the above, there is a need for a precast slab structure and a laminated floor slab to solve the problem of difficulty in controlling the thickness of cast-in-place floors and laminated floor slabs in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated plate structure and coincide floor to solve cast-in-place layer among the prior art and the problem of coincide floor thickness control difficulty, concrete technical scheme as follows:
a precast slab structure comprises a precast slab body and an observation block; a plurality of groups of observation blocks are uniformly distributed on the precast slab body; upper top surface of observation blockHeight L to the upper plate surface of the prefabricated plate body 1 Equal to the thickness L of the cast-in-situ layer 2 (ii) a The observation block is provided with a fixing groove and a steel bar placing groove; the prefabricated plate body and the cast-in-place layer are respectively provided with a fixing part, and the fixing parts are arranged in the fixing grooves; the steel bars in the precast slab body and/or the cast-in-place layer are arranged in the steel bar placing grooves.
Preferably, the observation block is provided with scale marks in the height direction.
Preferably, in the above technical solution, the cross-sectional shape of the fixing groove is trapezoidal.
Above technical scheme is preferred, the fixed slot is provided with the multiunit fixed slot along its circumference.
According to the preferable technical scheme, a plurality of groups of concave parts are formed on the inner wall surface of the fixing groove; and a plurality of groups of convex parts matched with the concave parts are arranged on the fixing part.
Above technical scheme is preferred, observes the piece and all is provided with the multiunit reinforcing bar standing groove in its circumference and direction of height.
Preferably, the observation block is internally provided with a reinforcing rib.
Preferably, the lower bottom surface of the observation block is flush with the lower plate surface of the precast slab body.
A composite floor slab comprises a cast-in-place layer and the prefabricated slab structure; the cast-in-place layer is arranged on the upper plate surface of the precast slab body.
Use the technical scheme of the utility model, following beneficial effect has:
(1) The utility model discloses a precast slab structure, which comprises a precast slab body and an observation block; a plurality of groups of observation blocks are uniformly distributed on the precast slab body; observing the height L from the upper top surface of the block to the upper plate surface of the precast slab body 1 Equal to the thickness L of the cast-in-situ layer 2 When the cast-in-place layer is poured, the thickness of the cast-in-place layer just exceeds the upper top surface of the observation block, pouring is stopped, the thickness of the cast-in-place layer can be guaranteed to be within a standard range, the problem that the pouring thickness at each position is difficult to control when the cast-in-place layer is poured is solved, cost is saved to the maximum degree, and the height of the cast-in-place layer is increasedConstruction quality is improved, and, the utility model discloses consider the influence of the joint strength of observing piece and prefabricated plate body and cast-in-place layer to structure itself, can realize through setting up the fixed slot that the piece is fixed together with prefabricated plate body and cast-in-place layer that observes to the joint strength can further be guaranteed to the reinforcing bar standing groove, reaches the requirement with the intensity that the realization was pour and is accomplished the back structure.
(2) The utility model discloses a scale mark pours the volume to the accuse to in time stop pouring, reduce cost loss.
(3) The cross section of the fixing groove of the utility model is trapezoidal, which can increase the contact area between the observation block and the precast slab body and the cast-in-place layer, thereby improving the structural strength by increasing the friction force; the connection strength can be further ensured through a plurality of groups of fixing grooves which are circumferentially arranged.
(4) The utility model discloses the depressed part carries out unsmooth cooperation with the bellying, can improve the interlock intensity on observation piece and prefabricated plate body and cast-in-place layer.
(5) The utility model discloses multiunit reinforcing bar standing groove can supply the inside reinforcing bar of prefabricated plate body and the inside reinforcing bar of cast-in-place layer to pass, realizes through passing the reinforcing bar that observation piece, prefabricated plate body and cast-in-place layer are fixed to form a whole, and structural strength is high.
(6) The utility model discloses the inside strengthening rib of observation piece can improve the structural strength who observes piece itself.
(7) The utility model discloses the lower bottom surface of observation piece and the lower slab surface parallel and level of prefabricated plate body to realize that the observation piece runs through whole prefabricated plate body and cast-in-place layer, structural strength is high, also facilitates when being in the same place for observation piece and prefabricated plate body are fixed (pour) simultaneously.
The utility model also discloses a composite floor slab, which comprises a cast-in-situ layer and the prefabricated slab structure; cast-in-place layer sets up on the last face of prefabricated plate body, the utility model discloses a coincide floor thickness is accurate, and structural strength is high.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
fig. 1 is a schematic structural view of a laminated floor slab of the present embodiment;
FIG. 2 is a schematic diagram of the structure of the observation block in FIG. 1;
FIG. 3 is a schematic view of the observation block of FIG. 2 assembled with the rebar;
wherein, 1, precast slab body; 2. an observation block; 2.1, fixing grooves; 2.2, placing a reinforcing steel bar groove; 2.3, reinforcing ribs; 2.31, vertical reinforcing ribs; 2.32, horizontal reinforcing ribs; 3. a cast-in-place layer; 4. and (5) reinforcing steel bars.
Detailed Description
Embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The embodiment is as follows:
a precast slab structure comprises a precast slab body 1 and observation blocks 2, in the embodiment, a plurality of observation blocks 2 are uniformly distributed on the precast slab body 1, so that the pouring thickness of each position can be observed when a cast-in-place layer 3 is poured, and a structure with uniform thickness and meeting the standard is obtained, as shown in fig. 1 to 3, as follows:
as shown in fig. 1, the precast slab body 1 is a reinforced concrete structure, that is, the precast slab body 1 is a structure formed by weaving steel bars and pouring concrete.
As shown in fig. 1, the number of the observation blocks 2 is provided with a plurality of groups, and the specific number is matched according to the length and width specification of the cast-in-place layer 3; the multiple groups of observation blocks 2 are uniformly distributed on the prefabricated plate body 1 (the observation blocks 2 are vertically arranged).
As shown in FIG. 1, the height L from the upper top surface of the observation block 2 to the upper plate surface of the prefabricated panel body 1 1 Equal to the thickness L of the cast-in-situ layer 3 2 (not usingGraphic representation L 2 ) I.e. L 1 The thickness of the cast-in-place layer 3 to be poured is equal to the thickness of the cast-in-place layer 3 to be poured (the cast-in-place layer 3 is also formed by weaving steel bars and then pouring concrete), and when pouring is carried out (namely the cast-in-place layer 3 is formed by pouring), whether the poured concrete is over the upper top surface of the observation block 2 or not is observed, so that whether the pouring thickness exceeds the standard or not is judged.
As shown in fig. 1, the lower bottom surface of the observation block 2 is flush with the lower plate surface of the precast slab body 1, so that when the precast slab structure is manufactured, the observation block 2 is only required to be vertically arranged in a concrete formwork (i.e. a formwork for molding the precast slab body 1), and then pouring is performed, so that the precast slab structure is simple, convenient and quick.
In order to ensure the structural strength and stability of the observation block 2 after being connected with the precast slab body 1 and the cast-in-place layer 3, the observation block 2 of the embodiment is further provided with the following structure;
as shown in fig. 2, the observation block 2 has been provided with a fixing groove 2.1, the fixing groove 2.1 is a through groove in the height direction, in this embodiment, a plurality of sets of fixing grooves 2.1 (four sets are illustrated in this embodiment) are equidistantly arranged in the circumferential direction of the observation block 2, the fixing groove 2.1 is used for realizing the stability of the precast slab body 1 and the cast-in-place layer 3 after pouring, that is, fixing portions engaged with the fixing groove 2.1 are respectively provided on the precast slab body 1 and the cast-in-place layer 3, and the fixing portions are specifically: when the precast slab body 1 and the cast-in-place layer 3 are poured, concrete flows into the fixing groove 2.1 to fix the observation block 2 with the precast slab body 1 and the cast-in-place layer 3, namely, the concrete (the concrete after being dried and solidified) flowing into the fixing groove 2.1 is a fixing part. In this embodiment, the cross-sectional shape of the fixing groove 2.1 is a trapezoid (trapezoid in plan view).
Preferably, the fixing groove 2.1 is provided with a plurality of sets of recesses (not shown) on the inner wall surface of the fixing groove 2.1, the precast slab body 1 and the cast-in-place layer 3 are provided with protrusions engaged with the recesses, and the protrusions are formed by referring to the fixing portions, that is, when the precast slab body 1 and the cast-in-place layer 3 are poured, concrete flows into the fixing groove 2.1 and flows into the recesses, that is, the concrete flowing into the recesses is the protrusions. The specification of the concave portion in this embodiment is selected, for example, when the overall height of the observation block 2 is 13cm, the diameter of the concave portion (for example, a semicircular groove) is 0.5-2cm, and such selection is to open multiple groups of concave portions on the inner wall surface of the fixing groove 2.1 as much as possible on the premise of ensuring the fastening strength of the concave portion and the convex portion (i.e., ensuring the strength of concave-convex fit), so as to increase the connection strength of the observation block 2 with the precast slab body 1 and the cast-in-place layer 3.
As shown in fig. 2 and fig. 3, a plurality of sets of reinforcing steel bar placing grooves 2.2 are further formed in the observation block 2, in this embodiment, the number of the reinforcing steel bar placing grooves 2.2 is eight, and the observation block 2 is provided with the plurality of sets of reinforcing steel bar placing grooves 2.2 in the height direction and the circumferential direction thereof, preferably, in this embodiment, the four sets of reinforcing steel bar placing grooves 2.2 located at the lower portion of the observation block 2 are reinforcing steel bars 4 for placing the precast slab body 1, and the four sets of reinforcing steel bar placing grooves 2.2 located at the upper portion of the observation block 2 are reinforcing steel bars 4 for placing the cast-in-place layer 3, and the connection strength between the observation block 2 and the precast slab body 1 as well as between the cast-in-place layer 3 can be enhanced by passing through the reinforcing steel bars 4. Besides, the number of the steel bar placing grooves 2.2 in the embodiment is selected according to actual situations, for example, only one set of steel bar placing grooves 2.2 may be provided in the embodiment, and the set of steel bar placing grooves 2.2 may be used for placing the steel bars 4 of the precast slab body 1 or the steel bars 4 of the cast-in-place layer 3, and of course, if the number of the steel bar placing grooves 2.2 is more than one set (for example, two sets), it is preferable that two sets of steel bar placing grooves 2.2 are used for placing the steel bars 4 of the precast slab body 1 and the cast-in-place layer 3, respectively.
The observation block 2 is provided with scale marks (not shown) in the height direction thereof.
As shown in fig. 3, the inside of the observation block 2 is provided with reinforcing ribs 2.3, and preferably, the reinforcing ribs 2.3 inside the observation block 2 include four sets of vertical (i.e. height direction) reinforcing ribs 2.3 and four sets of horizontal reinforcing ribs 2.32.
As shown in fig. 1, the embodiment also discloses a laminated floor slab, which comprises a cast-in-place layer 3 and a precast slab structure; the cast-in-place layer 3 is arranged on the upper plate surface of the precast slab body 1, the cast-in-place layer 3 is fixed with the observation block 2, and the upper top surface of the observation block 2 is flush with the upper plate surface of the cast-in-place layer 3.
The manufacturing process of the composite floor slab of the embodiment is as follows:
step 1: manufacturing a prefabricated plate structure:
1.1, vertically arranging a plurality of groups of observation blocks 2 in a template (the template is a template for pouring and forming the precast slab body 1), binding reinforcing steel bars 4 in the template, and enabling the reinforcing steel bars 4 to penetrate through reinforcing steel bar placing grooves 2.2 formed in the side walls of the lower parts of the observation blocks 2;
1.2, pouring, namely pouring the concrete structure into the template until the concrete structure is poured to the designed thickness of the precast slab body 1, finishing pouring, and obtaining the precast slab structure after the concrete is dried and solidified;
step 2: manufacturing a laminated floor slab:
2.1, transporting the precast slab structure to a specified working position, binding reinforcing steel bars 4 of a cast-in-place layer 3 on the precast slab body 1, and enabling the reinforcing steel bars 4 of the cast-in-place layer 3 to penetrate through reinforcing steel bar placing grooves 2.2 formed in the side wall of the upper part of the observation block 2;
2.2, installing a template for forming the cast-in-place layer 3, then pouring on the upper plate surface of the precast slab body 1, observing the poured thickness through the height of the observation block 2 in the pouring process, stopping pouring when the poured concrete just exceeds the upper top surface of the observation block 2, and obtaining the laminated floor after the concrete is dried and solidified.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The precast slab structure is characterized by comprising a precast slab body (1) and an observation block (2);
a plurality of groups of observation blocks (2) are uniformly distributed on the prefabricated plate body (1); observing the height L from the upper top surface of the block (2) to the upper plate surface of the precast slab body (1) 1 Equal to the thickness L of the cast-in-situ layer (3) 2 ；
A fixing groove (2.1) and a steel bar placing groove (2.2) are arranged on the observation block (2); the precast slab body (1) and the cast-in-place layer (3) are both provided with fixing parts which are arranged in the fixing grooves (2.1); the steel bars (4) in the precast slab body (1) and/or the cast-in-place layer (3) are arranged in the steel bar placing grooves (2.2).
2. The precast slab structure according to claim 1, characterized in that the observation block (2) is provided with scale marks in the height direction thereof.
3. A preformed sheet structure according to claim 1, characterised in that the cross-sectional shape of the fixing groove (2.1) is trapezoidal.
4. Prefabricated plate structure according to claim 3, characterized in that the fixation grooves (2.1) are provided with groups of fixation grooves (2.1) along their circumference.
5. The precast slab structure according to any one of claims 1 to 4, characterized in that the inner wall surface of the fixing groove (2.1) is provided with a plurality of groups of concave parts; and a plurality of groups of convex parts matched with the concave parts are arranged on the fixing part.
6. The precast slab structure according to claim 1, characterized in that the observation block (2) is provided with a plurality of sets of reinforcing steel bar placement grooves (2.2) in the circumferential direction and the height direction thereof.
7. The precast slab structure according to claim 1, characterized in that the inside of the observation block (2) is provided with a reinforcing rib (2.3).
8. The prefabricated panel structure of claim 1, wherein the lower bottom surface of the observation block (2) is flush with the lower plate surface of the prefabricated panel body (1).
9. A laminated floor slab, characterized by comprising a cast-in-place layer (3) and a precast slab structure according to claim 5; the cast-in-place layer (3) is arranged on the upper plate surface of the precast slab body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561774.8U CN217759486U (en) | 2022-06-21 | 2022-06-21 | Prefabricated plate structure and coincide floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561774.8U CN217759486U (en) | 2022-06-21 | 2022-06-21 | Prefabricated plate structure and coincide floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217759486U true CN217759486U (en) | 2022-11-08 |
Family
ID=83894843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221561774.8U Active CN217759486U (en) | 2022-06-21 | 2022-06-21 | Prefabricated plate structure and coincide floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217759486U (en) |
-
2022
- 2022-06-21 CN CN202221561774.8U patent/CN217759486U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109403458A (en) | Novel pre-fabricated one | |
| CN109049294A (en) | A kind of concrete prefabricated wallboard and its production technology | |
| CN106968378B (en) | Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof | |
| CN109518858A (en) | Fabricated Beam-Slab connection structure and its construction method | |
| CN207988292U (en) | Prefabricated stacking floor | |
| CN209556195U (en) | Fabricated Beam-Slab connection structure | |
| CN217759486U (en) | Prefabricated plate structure and coincide floor | |
| CN211143393U (en) | Frame for preparing assembly type concrete core-filled wall and assembly type concrete core-filled wall | |
| CN214615420U (en) | Manufacturing device for formwork splicing section | |
| CN213573058U (en) | Embedded part for controlling thickness of prefabricated laminated slab | |
| CN212176280U (en) | Device for forming multi-process integrated splicing-free light wall and wall | |
| CN211923636U (en) | Prefabricated plate reinforcing apparatus | |
| CN210562953U (en) | Prefabricated plate and coincide floor | |
| CN113323262A (en) | 3D printed prefabricated wall module, wall and construction method of wall | |
| CN207177118U (en) | The permanent template system of concrete staircase | |
| CN101761164A (en) | Long-span floor system for storied building | |
| PL154452B1 (en) | Method for manufacturing shuttering elements for sheathing concrete and a shuttering element for sheathing concrete | |
| CN210917899U (en) | Cast-in-situ reinforced concrete hollow beamless floor structure | |
| CN213710050U (en) | Internal mode reinforced concrete dense rib plate composite floor structure | |
| CN215054590U (en) | Hogging moment steel bar split heads with limiting function | |
| CN213014998U (en) | Reinforced concrete decorative constructional column | |
| CN110670761B (en) | Construction method of shear wall | |
| CN107178185A (en) | The permanent template system and manufacture method of concrete staircase | |
| CN211229721U (en) | Prefabricated assembled pond guide wall | |
| CN215802363U (en) | Composite wall thermal insulation board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |