CN111119391A - Assembled building four sides does not go out muscle superimposed sheet - Google Patents
Assembled building four sides does not go out muscle superimposed sheet Download PDFInfo
- Publication number
- CN111119391A CN111119391A CN202010036141.4A CN202010036141A CN111119391A CN 111119391 A CN111119391 A CN 111119391A CN 202010036141 A CN202010036141 A CN 202010036141A CN 111119391 A CN111119391 A CN 111119391A
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- China
- Prior art keywords
- laminated slab
- steel bars
- concrete
- laminated
- reinforcing steel
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses an assembled building laminated slab without ribs on four sides, which comprises laminated slab concrete, truss reinforcing steel bars and lower layer reinforcing steel bars, wherein the truss reinforcing steel bars are arranged on the upper surface of the laminated slab concrete, and the lower layer reinforcing steel bars are arranged in the laminated slab concrete; the upper surface of coincide board concrete all around be provided with the step, lower floor's reinforcing bar do not stretch out the coincide board concrete all around. The standardized design of the die can be realized by the aid of the designed laminated slab without ribs around the laminated slab; the mold is free from rib generation, the slurry leakage field during concrete pouring is avoided, and the component quality is ensured; the two laminated slabs are connected with the beam to realize close splicing, and a template does not need to be erected at the splicing seam, so that the construction efficiency is improved, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of building laminated slabs, and particularly relates to an assembled building laminated slab without ribs on four sides.
Background
At present, the laminated slab used for the assembly type building is mainly characterized in that ribs are arranged on four sides or two sides, and the main purpose of the ribs arranged on the laminated slab is to connect the exposed steel bars of the laminated slab with the adjacent laminated slab or connect the exposed steel bars with the adjacent steel bars on the beam when upper concrete is poured, so that the installation and connection stability and the integrity of the laminated slab are improved. However, the rib forming of the laminated slab has a plurality of unreasonables, and the following defects mainly exist: 1. ribs are formed on the laminated plate, the design of a die cannot be standardized, and the cost is increased; 2. the laminated slab is ribbed, and reinforcing steel bar holes need to be formed in the design of a mold, so that the slurry leakage condition is easy to occur, and the quality of a component is influenced; 3. the overlapped plates are ribbed, and a template is required to be erected at the overlapped part of the two overlapped plates, so that the construction efficiency is influenced; 4. the interference between the laminated slab and the steel bars on the beam needs to be considered during the installation, and the installation speed is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the laminated slab with no ribs on four sides of the fabricated building.
In order to achieve the purpose, the invention adopts the following technical scheme:
the fabricated building laminated slab without ribs on four sides comprises laminated slab concrete, truss steel bars and lower layer steel bars, wherein the truss steel bars are arranged on the upper surface of the laminated slab concrete, and the lower layer steel bars are arranged in the laminated slab concrete; the upper surface of coincide board concrete all around be provided with the step, lower floor's reinforcing bar do not stretch out the coincide board concrete all around.
The standardized design of the die can be realized by the aid of the designed laminated slab without ribs around the laminated slab; the mold is free from rib generation, the slurry leakage field during concrete pouring is avoided, and the component quality is ensured; the two laminated slabs are connected with the beam to realize close splicing, and a template does not need to be erected at the splicing seam, so that the construction efficiency is improved, and the cost is saved.
Further, the lower floor's reinforcing bar show in the region of step, adopt the steel bar welding to be in the same place when making things convenient for two superimposed sheet concatenations or being connected with the reinforcing bar on the roof beam, the stability of reinforcing connection and realization integration.
Furthermore, the depth of the step extending towards the center of the laminated slab is 10-20cm, the preferred extending depth is 15cm, seamless connection of two adjacent laminated slabs can be realized when upper-layer concrete is poured, the connection stability is improved, and integration is realized.
Furthermore, the truss reinforcing steel bars do not extend out of the steps, and the influence on the welding connection of the exposed parts of the lower-layer reinforcing steel bars is avoided.
Furthermore, the thickness of the step is 2-3cm, the lower layer of steel bars exposed incompletely or the overall weight is increased when the step is too thick, and the step is too thin and is easy to collide and damage in the carrying process.
The invention has the advantages that: 1. ribs cannot be arranged around the laminated slab, so that the standardized design of the die can be realized, the utilization rate of the die is improved, and the cost is saved; 2. the mold is free from rib generation, the slurry leakage field during concrete pouring is avoided, and the component quality is ensured; 3. the two laminated slabs are connected with the beam to realize close splicing, and no template is needed to be erected at the splicing seam, so that the construction efficiency is improved, and the cost is saved; 4. the lower layer of steel bars exposed out of the laminated slab is utilized to realize the steel bar connection between the beam and the laminated slab; 5. make things convenient for superimposed sheet's transportation and installation for installation effectiveness.
Drawings
FIG. 1 is a top view of a fabricated building laminated slab without ribs on four sides;
FIG. 2 is a side view of the fabricated building laminated slab without ribs on four sides;
FIG. 3 is a first schematic view of the assembly type building four-side reinforcement-free laminated slab installation and connection;
FIG. 4 is a second schematic view of the assembly type building four-side reinforcement-free laminated slab installation and connection.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the directions or positional relationships indicated by "deep", "thick", etc. are based on the directions or positional relationships shown in the drawings or the directions or positional relationships which are usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred must have a specific direction and a specific direction configuration and operation, and thus, cannot be construed as limiting the present invention.
As shown in fig. 1-2, the fabricated building four-side unreinforced composite slab comprises a composite slab concrete 1, truss steel bars 2 and lower layer steel bars 3, wherein the truss steel bars 2 are arranged on the upper surface of the composite slab concrete 1, the lower layer steel bars 3 are arranged in the composite slab concrete 1, and the lower layer steel bars 3 do not extend out of the periphery of the composite slab concrete 1; the steps 4 are arranged on the periphery of the upper surface of the laminated plate concrete 1, and the truss steel bars 2 do not extend out of the steps 4. The lower layer steel bar 3 is exposed in the area of the step 4, namely the lower layer steel bar 3 can be seen on the upper surface of the step 4, at least half of the lower layer steel bar 3 needs to be exposed when being exposed, the half is based on the cross section of the lower layer steel bar 3, for example, the lower layer steel bar 3 at least needs to be exposed in a semicircle when the cross section is circular. The depth H of the step 4 extending to the center of the laminated slab is 15 cm; the thickness h of the step 4 is 2.5 cm.
As shown in fig. 3-4, the installation of the laminated slab is schematically illustrated, and the overlapped bars 5 are needed when the laminated slab is installed and connected. When the laminated slab is connected with the beam, one end of the lap joint steel bar 5 needs to be inserted into the beam or welded with the steel bar on the beam, and the other end is welded on the lower layer steel bar 3 exposed from the step 4; when the laminated slab is connected with the laminated slab, only the lower layer steel bars 3 exposed on the two laminated slabs need to be welded together through the lapping steel bars 5. The upper concrete of the floor slab is poured through the connection to realize the integrated connection of the laminated slab and the laminated slab, and the laminated slab and the beam. The laminated plate is stable in connection, good in sealing performance and quick to install.
Although particular embodiments of the present invention have been described and illustrated in detail, it should be noted that various changes and modifications could be made to the above-described embodiments without departing from the spirit of the invention and the scope of the appended claims.
Claims (5)
1. The fabricated building laminated slab without ribs on four sides comprises laminated slab concrete (1), truss reinforcing steel bars (2) and lower layer reinforcing steel bars (3), wherein the truss reinforcing steel bars (2) are arranged on the upper surface of the laminated slab concrete (1), and the lower layer reinforcing steel bars (3) are arranged in the laminated slab concrete (1);
the laminated slab concrete is characterized in that steps (4) are arranged on the peripheral edge of the upper surface of the laminated slab concrete (1), and the lower layer of steel bars (3) do not extend out of the periphery of the laminated slab concrete (1).
2. The fabricated building laminated slab without ribs on four sides as claimed in claim 1, wherein the lower reinforcing bars (3) are exposed in the region of the step (4).
3. The fabricated building laminated slab without ribs on four sides as claimed in claim 1, wherein the depth of the step (4) extending to the center of the laminated slab is 10-20 cm.
4. The fabricated building four-sided no-rib laminated slab as claimed in claim 1, wherein the truss reinforcement (2) does not extend beyond the step (4).
5. The fabricated building laminated slab without ribs on four sides as claimed in claim 1, wherein the thickness of the step (4) is 2-3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010036141.4A CN111119391A (en) | 2020-01-14 | 2020-01-14 | Assembled building four sides does not go out muscle superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010036141.4A CN111119391A (en) | 2020-01-14 | 2020-01-14 | Assembled building four sides does not go out muscle superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111119391A true CN111119391A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010036141.4A Pending CN111119391A (en) | 2020-01-14 | 2020-01-14 | Assembled building four sides does not go out muscle superimposed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111119391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113609566A (en) * | 2021-08-18 | 2021-11-05 | 上海中森建筑与工程设计顾问有限公司 | Design method and assembly and disassembly method of prefabricated laminated slab and prefabricated laminated slab |
-
2020
- 2020-01-14 CN CN202010036141.4A patent/CN111119391A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113609566A (en) * | 2021-08-18 | 2021-11-05 | 上海中森建筑与工程设计顾问有限公司 | Design method and assembly and disassembly method of prefabricated laminated slab and prefabricated laminated slab |
| CN113609566B (en) * | 2021-08-18 | 2024-01-26 | 上海中森建筑与工程设计顾问有限公司 | Design method of prefabricated laminated slab, assembly and disassembly method and prefabricated laminated slab |
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