CN210421568U - Assembled beam and plate structure - Google Patents
Assembled beam and plate structure Download PDFInfo
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- CN210421568U CN210421568U CN201920918039.XU CN201920918039U CN210421568U CN 210421568 U CN210421568 U CN 210421568U CN 201920918039 U CN201920918039 U CN 201920918039U CN 210421568 U CN210421568 U CN 210421568U
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- 238000010276 construction Methods 0.000 abstract description 25
- 238000011065 in-situ storage Methods 0.000 abstract description 9
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- 238000009417 prefabrication Methods 0.000 description 2
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- 230000000750 progressive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- 238000009736 wetting Methods 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses an assembled beam and plate structure, which comprises a precast beam, a cast-in-situ core beam and a precast floor slab, wherein the cast-in-situ core beam is positioned inside the precast beam, and the precast floor slab is arranged at the top of the precast beam; floor slab bottom ribs and floor slab gluten are preset in the prefabricated floor slab, and the floor slab bottom ribs and the floor slab gluten extend out of two sides of the prefabricated floor slab; the precast floor slabs are arranged on two sides of the precast beam, the precast beam comprises two same precast beam plates, and the edge of the precast beam is lapped with the tops of the precast beam plates; the top of the cast-in-place core beam is flush with the prefabricated floor slab; the floor slab bottom ribs extend into the cast-in-place core beam, and the floor slab bottom ribs arranged oppositely are connected; the end part of the floor gluten extends into the cast-in-place core beam and is bent downwards. The utility model discloses in, concrete floor is prefabricated construction, and roof beam, the position that combines adopts cast in situ concrete, and the volume is pour to less on-the-spot cast in situ concrete greatly, and constructor and equipment reduce, can suitably increase formwork support pole setting interval, and material saving for the construction progress.
Description
Technical Field
The utility model relates to an assembly type structure technical field, more specifically the assembly type roof beam, plate structure that says so relates to.
Background
With the continuous change of the building industry, the prefabricated structure building develops rapidly, and a plurality of projects are built. The prefabricated concrete structure is a concrete structure formed by assembling and connecting prefabricated members serving as main stressed members. The assembled reinforced concrete structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of building engineering. Compared with a cast-in-place construction method, the assembly type PC structure is beneficial to green construction, because the assembly type construction can better meet the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction, the negative effects on the environment are reduced, including noise reduction, dust prevention, environmental pollution reduction, clean transportation, field interference reduction, water, electricity, material and other resources and energy sources, and the principle of sustainable development is followed.
In recent years, China actively explores and develops assembly type buildings, mainly including an assembly type integral frame structure, an assembly type integral shear wall structure and an assembly type integral frame-shear wall structure. The existing fabricated concrete floor consists of three parts, namely a prefabricated composite beam, a prefabricated composite slab and a cast-in-place concrete slab, the cast-in-place concrete has large pouring amount and large material consumption of a formwork, and after the concrete of the floor slab is poured, the previous layer of construction is carried out within a certain technical intermission time.
Therefore, the problem that needs to be solved by those skilled in the art is how to provide a fabricated beam and slab structure that reduces the amount of formwork material and increases the construction speed.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an assembled beam and slab structure, the concrete floor is a prefabricated structure, the beam and slab joint adopts cast-in-place concrete, the cast-in-place concrete casting amount is greatly reduced, and the environmental protection is facilitated; constructors and equipment are reduced, the distance between the vertical rods of the formwork support can be properly increased, and materials are saved; after the construction of the layer is completed, the construction of the previous layer can be immediately carried out, and the construction progress is accelerated.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an assembled beam and slab structure comprising a precast beam, a cast-in-place core beam and a precast floor slab, wherein the cast-in-place core beam is located inside the precast beam and the precast floor slab is arranged on top of the precast beam; floor slab bottom ribs and floor slab gluten are preset in the precast floor slabs, and the floor slab bottom ribs and the floor slab gluten extend out of two sides of the precast floor slabs;
the precast floor slabs are arranged on two sides of the precast beam, the precast beam comprises two same precast beam plates, and the edge of the precast beam is in lap joint with the tops of the precast beam plates; the top of the cast-in-place core beam is flush with the precast floor slab; the floor slab bottom ribs extend into the cast-in-place core beam, and the floor slab bottom ribs arranged oppositely are connected; the end part of the floor slab gluten extends into the cast-in-place core beam and is bent downwards.
Preferably, in the above assembled beam and slab structure, the bottom of the precast beam slab is welded or connected with the top of the precast beam column through bolts.
Preferably, in the fabricated beam and slab structure, the cast-in-place core beam is a concrete cast structure.
Preferably, in the fabricated beam and slab structure, in the cast-in-place core beam casting process, the openings at the bottom and two ends of the cast-in-place core beam are sealed by the template, and the template is supported and fixed by the support.
Preferably, in the above fabricated beam and slab structure, the cast-in-place core beam is internally preset with core beam steel bars, and the core beam steel bars are bound with precast beam column joint stirrups.
According to the technical scheme, compare with prior art, the utility model discloses an assembled roof beam, plate structure, including precast beam, cast-in-place core beam and precast floor, wherein precast beam and precast floor accomplish at the preparation factory, and cast-in-place core beam and cast-in-place floor are under construction at the scene. In the construction process, after the prefabricated beam column is installed, a formwork support is erected, core beam steel bars are bound with prefabricated beam column joint stirrups, after the prefabricated beam column is installed, the prefabricated beams on two sides are hoisted firstly, then the prefabricated floor slab is hoisted, and finally the cast-in-place core beam is constructed, so that the prefabricated beam, the cast-in-place core beam and the prefabricated floor slab form an integrated structure.
The stress characteristics of the utility model are basically the same as the stress characteristics of the traditional assembled beam and plate structure. The beam is loaded vertically, horizontally and the like by the core beam and the prefabricated beam plates on the two sides; and the hogging moment of the prefabricated floor slab at the support is born by anchoring the prefabricated floor slab ribs into the cast-in-situ core beam.
Compared with the traditional assembled beam and plate structure, the prefabricated floor slab is manufactured in a prefabrication factory, and the quality is convenient to control; the site concrete construction is reduced, the pollution to the construction site and the surrounding environment is reduced, and the environment protection is facilitated; the material consumption of the formwork support is saved, and the construction cost is reduced; the construction technology intermittence time is shortened or not, and the construction progress is accelerated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses an assembled beam and plate structure, a concrete floor is a prefabricated structure, the joint part of the beam and the plate adopts cast-in-place concrete, thereby greatly reducing the cast quantity of the cast-in-place concrete on site and being beneficial to environmental protection; constructors and equipment are reduced, the distance between the vertical rods of the formwork support can be properly increased, and materials are saved; after the construction of the layer is completed, the construction of the previous layer can be immediately carried out, and the construction progress is accelerated.
With reference to the attached drawing 1, the utility model discloses an assembled beam and slab structure, which comprises a precast beam 1, a cast-in-situ core beam 2 and a precast floor slab 3, wherein the cast-in-situ core beam 2 is positioned inside the precast beam 1, and the precast floor slab 3 is arranged on the top of the precast beam 1; floor bottom ribs 31 and floor gluten 32 are preset in the precast floor slab 3, and the floor bottom ribs 31 and the floor gluten 32 extend out of two sides of the precast floor slab 3;
the precast floor slabs 3 are arranged on two sides of the precast beam 1, the precast beam 1 comprises two same precast beam plates 11, and the edge of the precast beam 1 is lapped with the tops of the precast beam plates 11; the top of the cast-in-place core beam 2 is flush with the prefabricated floor slab 3; the floor bottom ribs 31 extend into the cast-in-place core beam 2, and the floor bottom ribs 31 arranged oppositely are connected; the end of the floor slab gluten 32 extends into the cast-in-place core beam 2 and bends downwards.
Preferably, in the above-mentioned assembled beam and slab structure, the bottom of the precast beam slab 11 is welded or connected with the top of the precast beam column by bolts.
Preferably, in the fabricated girder and slab structure as described above, the cast-in-place core girder 2 is a concrete cast structure.
Preferably, in the fabricated beam and slab structure, in the casting process of the cast-in-place core beam 2, the openings at the bottom and two ends of the cast-in-place core beam 2 are sealed by the formwork, and the formwork is supported and fixed by the support.
Preferably, in the above fabricated beam and plate structure, the cast-in-place core beam 2 is internally preset with core beam reinforcing steel bars, and the core beam reinforcing steel bars are bound with the stirrup of the 1-column joint of the precast beam.
During construction, 1, the prefabricated floor 3 and the prefabricated beam 1 are manufactured in a prefabrication factory according to the requirements of a design drawing. And after the concrete strength reaches the strength required by hoisting, transporting to a construction site.
2. After the prefabricated beam column is installed, a formwork support is erected, and the parameters of the beam bottom and the slab bottom formwork support meet the requirements of construction and specification.
3. The core beam reinforcing steel bars and the beam column joint stirrups are bound, and the type, specification, quantity, position, spacing, joint and the like of the reinforcing steel bars meet the design and specification requirements.
4. And hoisting the precast beam, connecting and fixing the precast beam with the precast beam column firmly, and temporarily fixing the precast beam by adopting an inclined strut when the project is a boundary beam.
5. The prefabricated floor slab 3 is hoisted to the upper part of the prefabricated beam 1 by a certain distance by adopting four-point hoisting, the floor slab gluten 32 at the end part of the prefabricated floor slab 3 is bent downwards by 90 degrees for convenient installation, and the length of a bent anchor meets the design and specification requirements; and then slowly hooking and accurately placing the precast floor slab 3 on the precast beam 1, and checking whether the installation position meets the design requirement or not, if not, immediately adjusting. And (3) temporarily fixing the precast floor slab 3 and the precast beam 1 firmly, and finally connecting the floor slab bottom ribs 31 which are arranged oppositely in the corresponding precast floor slab 3.
6. The strength grade of the concrete of the cast-in-place core beam 2 is required to meet the design requirement; before pouring concrete, watering and wetting the precast beam 1 and the precast floor slab 3, vibrating the concrete in the construction process to be compact, performing secondary plastering within a certain time after pouring, and covering with a plastic film; and the water spraying maintenance is adopted, and the maintenance time meets the standard requirement.
7. When the concrete of the cast-in-situ core beam 2 is solidified for a certain time and the material is stacked on the upper part of the precast floor slab 3, violent vibration can not be generated, so as to avoid cracking of the concrete of the cast-in-situ core beam 2.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An assembled beam and slab structure is characterized by comprising a precast beam, a cast-in-place core beam and a precast floor slab, wherein the cast-in-place core beam is positioned inside the precast beam, and the precast floor slab is arranged on the top of the precast beam; floor slab bottom ribs and floor slab gluten are preset in the precast floor slabs, and the floor slab bottom ribs and the floor slab gluten extend out of two sides of the precast floor slabs;
the precast floor slabs are arranged on two sides of the precast beam, the precast beam comprises two same precast beam plates, and the edge of the precast beam is in lap joint with the tops of the precast beam plates; the top of the cast-in-place core beam is flush with the precast floor slab; the floor slab bottom ribs extend into the cast-in-place core beam, and the floor slab bottom ribs arranged oppositely are connected; the end part of the floor slab gluten extends into the cast-in-place core beam and is bent downwards.
2. The assembled beam and slab structure of claim 1, wherein the bottom of the precast beam slab is welded or bolted to the top of the precast beam column.
3. The fabricated beam and slab structure of claim 1, wherein the cast-in-place core beam is a concrete cast structure.
4. The assembly type beam and plate structure as claimed in claim 3, wherein during the pouring process of the cast-in-place core beam, the openings at the bottom and two ends of the cast-in-place core beam are sealed by the formwork, and the formwork is supported and fixed by the support.
5. The assembled beam and slab structure of claim 1, wherein the cast-in-place core beam is internally pre-provided with core beam steel bars, and the core beam steel bars are bound with prefabricated beam and column joint stirrups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918039.XU CN210421568U (en) | 2019-06-18 | 2019-06-18 | Assembled beam and plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918039.XU CN210421568U (en) | 2019-06-18 | 2019-06-18 | Assembled beam and plate structure |
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| Publication Number | Publication Date |
|---|---|
| CN210421568U true CN210421568U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920918039.XU Active CN210421568U (en) | 2019-06-18 | 2019-06-18 | Assembled beam and plate structure |
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| Country | Link |
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| CN (1) | CN210421568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027022A (en) * | 2021-03-18 | 2021-06-25 | 青岛腾远设计事务所有限公司 | Fully-precast concrete plate cap component and construction method thereof |
| CN113700194A (en) * | 2021-09-07 | 2021-11-26 | 天津一冶建设工程有限公司 | Assembly type beam-slab connecting structure and construction method thereof |
-
2019
- 2019-06-18 CN CN201920918039.XU patent/CN210421568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027022A (en) * | 2021-03-18 | 2021-06-25 | 青岛腾远设计事务所有限公司 | Fully-precast concrete plate cap component and construction method thereof |
| CN113700194A (en) * | 2021-09-07 | 2021-11-26 | 天津一冶建设工程有限公司 | Assembly type beam-slab connecting structure and construction method thereof |
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