CN212802262U - Combined beam structure for building and building - Google Patents

Combined beam structure for building and building Download PDF

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Publication number
CN212802262U
CN212802262U CN202021409471.5U CN202021409471U CN212802262U CN 212802262 U CN212802262 U CN 212802262U CN 202021409471 U CN202021409471 U CN 202021409471U CN 212802262 U CN212802262 U CN 212802262U
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bottom plate
prefabricated
prefabricated bottom
building
post
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CN202021409471.5U
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Inventor
吕俊利
王梓郦
孙增斌
程云生
祝健
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Shandong Construction University Engineering Appraisal And Reinforcement Research Institute
Shandong Jiangu Special Professional Engineering Co ltd
Shandong Jianzhu University
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Shandong Construction University Engineering Appraisal And Reinforcement Research Institute
Shandong Jiangu Special Professional Engineering Co ltd
Shandong Jianzhu University
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Abstract

The utility model relates to a composite beam structure and building for building, including the ripple web, ripple web top is fixed with the upper limb listrium, and the upper limb listrium is fixed with the superimposed sheet, the superimposed sheet includes a plurality of prefabricated bottom plate assemblies and sets up the post-cast layer at prefabricated bottom plate assembly upper surface, is equipped with shear connector between the adjacent prefabricated bottom plate assembly, and shear connector imbeds in-situ and bottom and upper limb listrium fixed connection of post-cast of prefabricated bottom plate assembly upper surface, the utility model discloses a steel volume is few for the composite beam structure, and bearing capacity is high.

Description

Combined beam structure for building and building
Technical Field
The utility model relates to a building structure technical field, concretely relates to combination beam structure and building for building.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The steel-concrete composite girder refers to a bending-resistant member working together by integrally connecting a steel girder and a concrete slab through a shear connector. When the composite beam bears the action of positive bending moment, the concrete slab is in the compression area, and the steel beam is mostly in the tension area, so that the respective mechanical properties of the two materials can be fully exerted. Compared with reinforced concrete beams, the combined beam can greatly reduce the self weight of the structure, has larger span-height ratio and is convenient to construct; compared with steel beams, the composite beam has the advantages of high bending rigidity, small structural height, good stability and the like. Therefore, composite girders have been used in a wide range of fields in industrial and civil construction in recent years.
A large amount of wet operation still exists in the field construction of the traditional composite beam, and a large amount of templates are needed during construction. With the advance of assembly type building structures in recent years, a novel composite slab beam has appeared, and the composite slab beam also has the mechanical property of the traditional composite beam, and is formed by connecting a composite slab and a steel beam into a whole through a shear connector.
However, the inventor finds that the steel beam part of the existing composite beam needs to be provided with a large number of stiffening ribs, the construction is complex, the steel consumption is large, the plane rigidity and the shear-bending resistance bearing capacity are poor, and the local bearing capacity and the fatigue resistance are also poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art not enough, provide a combination beam structure for building, need not to set up stiffening rib and can obtain great plane external rigidity and higher anti-shear buckling bearing capacity to have higher local bearing capacity and fatigue resistance ability.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
in a first aspect, the embodiment of the utility model provides a composite beam structure for building, including the ripple web, ripple web top is fixed with the upper flange board, and the upper flange board is fixed with superimposed sheet, superimposed sheet includes a plurality of prefabricated bottom plate assemblies and sets up waters the layer after prefabricated bottom plate assembly upper surface, is equipped with shear connector between the adjacent prefabricated bottom plate assembly, and shear connector imbeds in the post-pouring layer of prefabricated bottom plate assembly upper surface and bottom and upper flange board fixed connection.
Furthermore, prefabricated bottom plate assembly includes a plurality of prefabricated bottom plates, and adjacent prefabricated bottom plate laminating sets up.
Furthermore, the prefabricated bottom plate is made of reinforced concrete plates.
Furthermore, a plurality of first steel bars are arranged inside the prefabricated bottom plate.
Furthermore, a second steel bar of a truss structure is arranged between the prefabricated bottom plate and the post-cast layer.
Further, the shear connectors are provided with a plurality of groups, and each group is provided with a plurality of shear connectors.
Further, the shear connectors are studs.
Furthermore, the post-cast layer is made of reinforced concrete slabs, and third steel bars are arranged in the post-cast layer.
Furthermore, an upper flange plate is fixed at the top end of the corrugated web plate, and a lower flange plate is fixed at the bottom end of the corrugated web plate.
In a second aspect, embodiments of the present invention provide a building provided with the above-mentioned composite beam for building.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
1. the utility model discloses a composite beam structure adopts the ripple web, need not to set up the stiffening rib, and is few with the steel volume, has higher plane rigidity and anti-shear buckling bearing capacity, and local bearing capacity and fatigue resistance can also be higher to compare with flat web roof beam and improved indoor clean height.
2. The combined beam structure of the utility model has the advantages that the prefabricated bottom plate assembly is formed by laminating a plurality of prefabricated bottom plates, the prefabricated bottom plates with small sizes can be adopted, the maintenance time of the prefabricated bottom plates on concrete in a prefabricated part factory is reduced, and the construction period is shortened; and the transportation and hoisting construction in the later period are facilitated, and the construction efficiency is improved.
3. The utility model discloses a composite beam structure, during the construction, the template on post-cast layer can be regarded as to prefabricated bottom plate, the template use amount when having reduced the pouring of post-cast layer.
4. The utility model discloses a composite beam structure, the laminating of adjacent prefabricated bottom plate sets up, need not to pour into a mould between the adjacent prefabricated bottom plate, has reduced the complexity of template quantity and construction.
5. The utility model discloses a composite beam structure, prefabricated bottom plate are equipped with truss structure's second reinforcing bar, and in the watering layer after partly pre-buried income of this second reinforcing bar, the wholeness of superimposed sheet has been improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a front view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic axial view of the overall structure of embodiment 1 of the present invention;
FIG. 3 is a top view of the whole structure of the post-cast layer of the embodiment 1 of the present invention before casting;
fig. 4 is a top view of a corrugated web according to embodiment 1 of the present invention;
fig. 5 is a schematic view of the assembly of the corrugated web plate with the upper flange plate and the lower flange plate according to embodiment 1 of the present invention;
the steel plate comprises an upper flange plate 1, a lower flange plate 2, a corrugated web plate 3, a prefabricated bottom plate 4, first steel bars 5, second steel bars 6, a post-cast layer 7, third steel bars 8 and studs 9.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper" and "lower" in the present invention shall only be used to indicate correspondence with the upper and lower directions of the drawings themselves, and shall not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and shall not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and shall not be construed as limiting the present invention.
As introduced by the background art, the steel beam for the existing composite beam is large, and the local bearing capacity and the fatigue resistance performance are poor.
In this embodiment, the length direction of the composite beam for building is defined as a longitudinal direction, and a direction perpendicular to the longitudinal direction is defined as a transverse direction.
In example 1 of an exemplary embodiment of the present application, as shown in fig. 1 to 5, a composite beam structure for a building includes an upper flange plate 1 and a lower flange plate 2 which are arranged in parallel, a corrugated web 3 is arranged between the upper flange plate and the lower flange plate, and upper and lower ends of the corrugated web are welded and fixed to the upper flange plate and the lower flange plate, respectively.
The upper surface of going up the flange board is provided with the superimposed sheet, the superimposed sheet includes a plurality of prefabricated bottom plate assemblies and pours the post-cast layer of pouring at prefabricated bottom plate assembly upper surface, and prefabricated bottom plate assembly sets up along vertically, in this embodiment, the quantity of prefabricated bottom plate assembly is two, and two prefabricated bottom plate assemblies set up along transverse distribution and for the central symmetry of last flange board.
The prefabricated bottom plate assembly comprises a plurality of prefabricated bottom plates 4, the adjacent prefabricated bottom plates are attached to each other, the prefabricated bottom plates are arranged along the longitudinal direction, the length direction of the prefabricated bottom plates is arranged along the transverse direction, and the width direction of the prefabricated bottom plates is arranged along the longitudinal direction.
The prefabricated bottom plate assembly adopts the laminating setting of a plurality of prefabricated bottom plates, forms the piece, and the prefabricated bottom plate can have less size, and convenient transportation makes things convenient for the hoist and mount construction simultaneously, has improved the efficiency of construction.
The prefabricated bottom plate adopts reinforced concrete slab, is prefabricated by the mill and forms, be provided with a plurality of first reinforcing bars 5 in the prefabricated bottom plate, the axis of first reinforcing bar sets up along the width direction of prefabricated bottom plate, and a plurality of first reinforcing bar parallel arrangement and a plurality of first reinforcing bar are arranged along the length direction of prefabricated bottom plate, and the distance between two adjacent first reinforcing bars equals.
The prefabricated bottom plate is further embedded with second steel bars 6 of a truss structure, the second steel bars extend into a post-pouring layer 7 arranged on the top surface of the prefabricated bottom plate and used for enhancing the connection strength and integrity of the prefabricated bottom plate and the post-pouring layer, and the axis direction of the second steel bars is arranged along the length direction of the prefabricated bottom plate.
The post-cast layer is formed by pouring reinforced concrete slabs on the prefabricated bottom plate, the prefabricated bottom plate can be used as a template during pouring of the post-cast layer, the number of the templates used during pouring of the post-cast layer is reduced, and a plurality of third reinforcing steel bars 8 are arranged in the post-cast layer.
Be provided with multiunit shear connector between two prefabricated bottom plate assemblies along transverse distribution, in this embodiment, shear connector's quantity is two sets of, and every group has a plurality of shear connector, and a plurality of shear connector in the same group are arranged along the longitudinal direction of composite beam, shear connector adopts peg 9, peg one end and last flange board welded fastening, the other end stretch into the post-cast layer, become a whole with upper flange board and superimposed sheet connection, strengthen the joint strength and the wholeness between post-cast layer, prefabricated bottom plate and the upper flange board.
The composite beam structure of the embodiment adopts the corrugated web, does not need to be provided with stiffening ribs, uses less steel, has higher plane rigidity and anti-shearing buckling bearing capacity, also has higher local bearing capacity and anti-fatigue performance, and improves the indoor clear height of a building when being used compared with a flat web composite beam.
In the construction of the composite beam of this embodiment, the corrugated web is welded and fixed to the upper flange plate and the lower flange plate in advance, and the prefabricated bottom plate with the first reinforcing steel bars and the second reinforcing steel bars is prefabricated in a prefabricated component factory.
During construction, the shear connectors and the upper flange plate are welded and fixed, the processed prefabricated bottom plates are placed on the upper flange plate, the adjacent prefabricated bottom plates are attached and spliced, the planes formed by the plurality of prefabricated bottom plates are leveled, the post-pouring layer is poured after leveling, and maintenance is performed after the pouring of the post-pouring layer is completed.
Example 2:
this embodiment discloses a building provided with the composite beam structure for building described in embodiment 1, and other structures of the building may be the existing structures, which will not be described in detail herein.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. The utility model provides a combination beam structure for building, its characterized in that, includes the corrugated web, the corrugated web top is fixed with the upper flange board, and the upper flange board is fixed with superimposed sheet, superimposed sheet includes a plurality of prefabricated bottom plate assemblies and sets up the post-cast layer at prefabricated bottom plate assembly upper surface, is equipped with shear connector between the adjacent prefabricated bottom plate assembly, and in the post-cast layer of shear connector embedding prefabricated bottom plate assembly upper surface and bottom and upper flange board fixed connection.
2. A composite beam structure for building construction as claimed in claim 1 wherein said prefabricated floor assembly includes a plurality of prefabricated floors, adjacent prefabricated floors being positioned in abutting relationship.
3. A composite beam structure for construction according to claim 2, wherein said precast slabs are reinforced concrete slabs.
4. A composite girder construction for construction according to claim 2, wherein a plurality of first reinforcing bars are provided inside the prefabricated base plate.
5. A composite girder structure for construction according to claim 2, wherein a second reinforcing bar of a truss structure is provided between the precast floor slab and the post-cast layer.
6. A composite girder structure for construction according to claim 1, wherein the shear connectors are provided in a plurality of groups, each group having a plurality of shear connectors.
7. A composite girder structure for construction according to claim 1, wherein the shear connectors are studs.
8. A composite beam structure for construction according to claim 1, wherein said post-cast layer is formed of reinforced concrete slab, and third reinforcing bars are provided therein.
9. A composite beam structure for construction according to claim 1, wherein said corrugated web has an upper flange plate secured to a top end thereof and a lower flange plate secured to a bottom end thereof.
10. A building provided with the composite girder structure for construction according to any one of claims 1 to 9.
CN202021409471.5U 2020-07-16 2020-07-16 Combined beam structure for building and building Active CN212802262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021409471.5U CN212802262U (en) 2020-07-16 2020-07-16 Combined beam structure for building and building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021409471.5U CN212802262U (en) 2020-07-16 2020-07-16 Combined beam structure for building and building

Publications (1)

Publication Number Publication Date
CN212802262U true CN212802262U (en) 2021-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111794423A (en) * 2020-07-16 2020-10-20 山东建筑大学 Steel-concrete combined beam structure, building and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111794423A (en) * 2020-07-16 2020-10-20 山东建筑大学 Steel-concrete combined beam structure, building and construction method

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