CN220184436U - Multilayer precast beam component - Google Patents
Multilayer precast beam component Download PDFInfo
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- CN220184436U CN220184436U CN202321736969.6U CN202321736969U CN220184436U CN 220184436 U CN220184436 U CN 220184436U CN 202321736969 U CN202321736969 U CN 202321736969U CN 220184436 U CN220184436 U CN 220184436U
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- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims description 4
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- 239000000835 fiber Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009436 residential construction Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a multilayer precast beam component, which comprises an upper layer precast beam, a lower layer precast beam, a middle layer precast beam and connecting materials. The safety, applicability and durability of the beam are better ensured, the prefabricated structure has standardization and accuracy, and the processing and building efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of prefabricated beams for assembled buildings, in particular to a multi-layer prefabricated beam component.
Background
For a long time, the residential construction in China is traditional extensive production, and has the advantages of low labor productivity, high resource consumption, poor construction conditions for workers and difficult guarantee of the quality of the residence. The cast-in-situ structure is characterized in that the cast-in-situ structure needs to be provided with reinforcing steel bars and cast concrete on site, a large amount of labor and equipment are needed, the casting quality is difficult to control, the working conditions of workers and the quality of products are poor, and the environment is polluted; before concrete is poured, a template needs to be erected, the turnover number of the template is small, and resources are wasted; the construction equipment such as the template and the attached scaffold can be removed only after the concrete is cured for a certain time, the construction period is long, and the productivity is low. In recent years, due to aging of population, the population bonus of China disappears, and with the demands of people for improvement of the quality and labor productivity of houses, the industrialization of the houses is rising. And in the whole building process, a standardized, factory-like, assembly-like and informationized factory production mode is adopted to form a complete industrial chain, so that social mass production is realized. The housing industrialization can realize high quality, high efficiency, low resource consumption and low environmental impact of the building, and will bring about systematic and fundamental great change to the building industry, thus being a necessary choice for sustainable development.
The prefabricated building components can be prefabricated and produced in a factory in a centralized way, and are a main structural form for residential industrialization. Manufacturing error millimeter level through using steel templates and in-factory production; the formwork is not required to be erected on site, the steel bars are bound, and concrete is poured, so that labor is saved, the construction is convenient and quick, the efficiency is improved, the construction period is shortened, and the cost is saved; the factory production can ensure the concrete pouring quality and has good appearance quality; the method has the advantages of no need of casting concrete on site, less on-site wet operation, energy conservation, environmental protection, improvement of working conditions of construction workers and the like.
In the whole building structure, the beams need to bear the weight of the floor slab and transmit the load to the wall columns, so that the whole building becomes an integral stressed structure. And most of the damages of the beams are insufficient in material strength, failure in anchoring, overlarge deformation, overlarge crack width and the like. The cast-in-situ beam is used as a traditional rough operation product, has good casting integrity, but has the defects of poor product quality, low production rate, large environmental impact and the like, and does not accord with the development trend of residential industrialization; the traditional precast beam can omit the construction of a template, but is easy to connect or anchor to fail, has large deformation and solves the problems of self strength and weight; the prefabricated composite beam can avoid supporting a bottom die, has light weight, but has poor concrete joint surface, insufficient integrity, lower prefabrication rate and insufficient safety, applicability and durability of the beam, and particularly provides a multilayer prefabricated beam component in view of the problems.
Disclosure of Invention
The present utility model is directed to a multi-layered precast beam member to solve the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multi-layer precast beam component comprises an upper precast beam, a lower precast beam, a middle precast beam and a connecting material, wherein the upper precast beam is reserved with a hanging ring, the upper precast beam extends out of an upper erection rib, the lower precast beam extends out of a reserved longitudinal rib, the precast beam component is connected through a rigid connecting piece, or a wraparound connecting piece or the rigid connecting piece is in composite connection with the wraparound connecting piece,
the contact surface of the precast beam member is a rough surface, positioning grooves are uniformly distributed on the contact surface,
a flexible material is arranged between the precast beam members,
longitudinal ribs and stirrups are arranged in the precast beam member.
Preferably, the number of layers of the multi-layer precast beam member can be two, three or more than three.
Preferably, the cross section of the multi-layer precast beam member can be rectangular, T-shaped and I-shaped.
Preferably, the concave-convex directions of the positioning grooves of the multi-layer precast beam member are arranged in the same or opposite directions.
Preferably, the rigid connection member is a split bolt.
Preferably, the wrapping connection piece is a structural fiber cloth or a hoop structure.
Preferably, the positioning groove of the contact surface of the multilayer precast beam can be V-shaped, U-shaped and rectangular.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a multi-layer precast beam structure, which is characterized in that each layer of precast beams is manufactured in a factory, a steel mould is fixed, a positioning groove and a rough surface bottom mould are reserved at the bottom layer of the steel mould, steel bars and embedded parts are arranged, poured concrete is vibrated and compacted, the multi-layer precast beams are connected after curing and forming, each layer of precast beams are connected after reaching the strength requirement, flexible material layers are paved among the layers of precast beams according to the sequence of the upper layer and the lower layer, the flexible material layers are connected by rigid connecting parts such as split bolts, or are connected by wrapping connecting parts, or are connected by mixing, so that the multi-layer precast beam is formed, and the multi-layer precast beam has higher safety redundancy by adopting the multi-layer structure to strengthen deformation capability, shock absorption and shock absorption. The safety, applicability and durability of the beam are better ensured, the prefabricated structure has standardization and accuracy, and the processing and building efficiency is improved.
Drawings
FIG. 1 is a schematic view of an assembled state of the present utility model.
Fig. 2 is a schematic view of the assembled two-stage structure of the present utility model.
Fig. 3 is a three-structure schematic view of the assembled state of the present utility model.
Fig. 4 is a cross-sectional principal form of the multi-layered precast beam of the present utility model.
FIG. 5 is a schematic view of a partial structure of the positioning slot of the present utility model.
FIG. 6 is a schematic diagram of a two-part structure of a positioning slot according to the present utility model.
FIG. 7 is a schematic diagram of a three-part structure of a positioning slot according to the present utility model.
In the figure: 1. the upper layer precast beam, the middle layer precast beam, the lower layer precast beam, the flexible material, the positioning groove, the rigid connecting piece, the lifting ring, the wrapping connecting piece, the lower portion longitudinal rib, the upper portion vertical rib and the lower portion vertical rib are arranged on the upper layer precast beam, the middle layer precast beam, the lower layer precast beam, the flexible material, the positioning groove, the rigid connecting piece, the lifting ring and the lower portion precast beam.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution: a multi-layer precast beam component comprises an upper precast beam 1, a lower precast beam 3, an intermediate precast beam 2 and a connecting material, wherein the upper precast beam 1 is reserved with a hanging ring 7, the upper precast beam 1 extends out of an upper standing rib 10, the lower precast beam extends out of a reserved part longitudinal rib 9, the precast beam components are connected through a rigid connecting piece 6, or a wraparound connecting piece 8 or the rigid connecting piece 6 is in composite connection with the wraparound connecting piece 8,
the contact surface of the precast beam member is a rough surface, the contact surface is uniformly distributed with positioning grooves 5,
a flexible material 4 is arranged between the precast beam members,
longitudinal bars and stirrups are arranged in the precast beam member.
The utility model provides a multi-layer precast beam structure, which is characterized in that each layer of precast beams is manufactured in a factory, a steel mould is fixed, a positioning groove and a rough surface bottom mould are reserved at the bottom layer of the steel mould, steel bars and embedded parts are arranged, poured concrete is vibrated and compacted, the multi-layer precast beams are connected after curing and forming, each layer of precast beams are connected after reaching the strength requirement, flexible material layers are paved among the layers of precast beams according to the sequence of the upper layer and the lower layer, the flexible material layers are connected by rigid connecting pieces 6 such as split bolts, or are connected by wrapping connecting pieces, or are connected by mixing, so that the multi-layer precast beam is formed, and the multi-layer precast beam has higher safety redundancy by adopting the multi-layer structure to strengthen deformation capability, shock absorption and shock absorption. The safety, applicability and durability of the beam are better ensured, the prefabricated structure has standardization and accuracy, and the processing and building efficiency is improved.
During prefabrication, firstly, fixing a manufacturing steel template of each layered precast beam, wherein the bottom layer of the steel template is a reserved positioning groove and a rough surface bottom die, and a layer of isolating agent is coated in the template to form a split die; fixing and binding longitudinal steel bars and stirrups in the steel mould, and fixing the embedded part; carrying out concrete distribution on the steel mould and the arranged steel bars, casting concrete, uniformly spreading, automatically vibrating, compacting and trowelling the surface; placing the prefabricated part after treatment into a steam curing chamber for curing, and finally forming;
and after the precast beam reaches the preset strength, dismantling the steel mould, and connecting the layered precast beams. The lower precast beam 3 is fixed, the flexible material 4 is paved between the precast beams, the middle precast beam 2 and the upper precast beam 1 are arranged, the middle precast beam and the upper precast beam are connected by rigid connectors such as split bolts and the like 6, or the lower precast beam and the upper precast beam are connected by wrapping connectors 8 (structural fiber cloth or other hoop structures), or the middle precast beam and the upper precast beam are mixed and connected by the rigid connectors and the hoop structures, so that the multi-layer precast beam is formed.
Specifically, the number of layers of the multi-layer precast beam member can be two, three or more than three layers, and after the multi-layer precast beam member is combined, such as a steel plate spring, in a normal use state, when the multi-layer precast beam is acted by concentrated load and uniformly distributed load on the upper part, each layered beam has a downward arch tendency, and each layered beam has a relative sliding tendency, so that friction force is generated, on one hand, energy can be dissipated, on the other hand, the stress performance of the beam can be enhanced, the rigidity and the deformability are increased, and the shock absorption and shock absorption are realized;
flexible materials are paved between the beams, and the beam-beam contact adopts key grooves or positioning grooves, so that the energy consumption capability and the integrity are improved; the deflection of the components can be reduced, the rigidity can be increased, and the cracks can be controlled in the normal use stage; in the limit state of bearing capacity, the damage of one layer of beam does not affect the use and the function of other layers of beams, and the safety redundancy is higher. The safety, applicability, durability and other functional requirements of the beam are better ensured.
Specifically, the cross section of the multilayer precast beam member can be rectangular, T-shaped and I-shaped, and the multi-layer precast beam member can be of a beam structure according to different beam body stress and span, and the rectangular, T-shaped and I-shaped can support various spans from short to long.
Specifically, the concave-convex directions of the positioning grooves 5 of the multilayer precast beam member are set in the same or opposite directions.
Specifically, the rigid connection member 6 is a split bolt, and the rigid connection member 6 is preferably a split bolt, but other rigid connection members may be used through the split bolt, for example, welded steel bar connection members.
The flexible material 4 is preferably a rubber layer, such as a rubber gasket, etc., but may be other flexible and resilient material gaskets.
Specifically, the wraparound attachment 8 is a structural fiber cloth or a hoop structure.
When in assembly, the upper vertical ribs 10 and the lower vertical ribs 9 are embedded into the grooves of the wall body upright posts and are subjected to superposition pouring, and reserved in the middle connecting beam 2 for combined use.
The shape of the positioning groove 5 of the contact surface of the multi-layer precast beam can be V-shaped, U-shaped and rectangular, as shown in fig. 5-7, the structural shape of the positioning groove 5 is not limited to the above shape, and the positioning effect of the positioning groove 5 and the resistance effect during friction are increased.
The prefabricated beam structure construction member is simple in structure, convenient to manufacture, prefabricated in a factory, and standardized and accurate in manufacturing size, can greatly improve efficiency, is economical and environment-friendly, and is beneficial to industrial mode popularization after being assembled in the factory.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a multilayer precast beam component, includes upper precast beam (1), lower precast beam (3), intermediate level precast beam (2) and linking material constitution, its characterized in that: the upper layer precast beam (1) is reserved with a hanging ring (7), the upper layer precast beam (1) extends out of an upper portion erection rib (10), the lower layer precast beam extends out of a reserved portion longitudinal rib (9), the precast beam components are connected through a rigid connecting piece (6), or a wrapping connecting piece (8) or the rigid connecting piece (6) is in composite connection with the wrapping connecting piece (8),
the contact surface of the precast beam member is a rough surface, positioning grooves (5) are uniformly distributed on the contact surface,
a flexible material (4) is arranged between the precast beam members,
longitudinal ribs and stirrups are arranged in the precast beam member.
2. A multi-layered precast beam member as claimed in claim 1, characterized in that: the number of layers of the multilayer precast beam member can be two, three or more than three.
3. A multi-layered precast beam member as claimed in claim 2, characterized in that: the cross section of the multilayer precast beam member can be rectangular, T-shaped and I-shaped.
4. A multi-layered precast beam member as claimed in claim 3, characterized in that: the concave-convex directions of the positioning grooves (5) of the multilayer precast beam members are the same or opposite.
5. A multi-layered precast beam member as claimed in claim 4, characterized in that: the rigid connecting piece (6) is a split bolt.
6. A multi-layered precast beam member as claimed in claim 5, characterized in that: the wrapping connecting piece (8) is of a structural fiber cloth or hoop structure.
7. A multi-layered precast beam member as claimed in claim 1, characterized in that: the positioning groove (5) of the contact surface of the multi-layer precast beam member can be V-shaped, U-shaped and rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321736969.6U CN220184436U (en) | 2023-07-04 | 2023-07-04 | Multilayer precast beam component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321736969.6U CN220184436U (en) | 2023-07-04 | 2023-07-04 | Multilayer precast beam component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184436U true CN220184436U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321736969.6U Active CN220184436U (en) | 2023-07-04 | 2023-07-04 | Multilayer precast beam component |
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| Country | Link |
|---|---|
| CN (1) | CN220184436U (en) |
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2023
- 2023-07-04 CN CN202321736969.6U patent/CN220184436U/en active Active
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