CN211396201U - Connection structure of embedded steel beam and prefabricated composite floor slab - Google Patents
Connection structure of embedded steel beam and prefabricated composite floor slab Download PDFInfo
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- CN211396201U CN211396201U CN201921371496.8U CN201921371496U CN211396201U CN 211396201 U CN211396201 U CN 211396201U CN 201921371496 U CN201921371496 U CN 201921371496U CN 211396201 U CN211396201 U CN 211396201U
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- steel beam
- steel bar
- steel
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- precast slab
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Abstract
A connecting structure of an embedded steel beam and a prefabricated composite floor slab comprises the steel beam and the composite floor slab; the cross section of the steel beam is I-shaped; the laminated floor slab comprises a prefabricated slab and a cast-in-place laminated layer; steel bar trusses are embedded on the prefabricated plates; the lower chord steel bar of the steel bar truss is pre-embedded in the precast slab; the upper chord steel bar of the steel bar truss is positioned above the precast slab, and two ends of the upper chord steel bar respectively exceed two sides of the precast slab; the left side and the right side of the precast slab are respectively provided with a connecting piece; the connecting piece comprises a horizontal plate and a vertical plate; the vertical plate is tightly attached to the side face of one side corresponding to the precast slab and is welded and connected with the lower chord steel bar in the precast slab; and connecting pieces on two sides of the precast slab are respectively erected on the upper flanges of the steel beams on two sides and are fixed through bolts. The utility model provides a traditional girder steel have that the welding equipment of work load is big, need specialty, the profiled sheet of floor bottom surface influence pleasing to the eye and must the technical problem of furred ceiling in the bottom of profiled sheet with the connection structure of coincide floor.
Description
Technical Field
The utility model belongs to the assembly type structure field, especially a connection structure of embedded girder steel and prefabricated coincide floor.
Background
At present, the development of assembly type buildings is greatly promoted in the field of buildings, and industrial production of buildings is realized. As a novel building system, the assembly type building has the advantages of high machining precision, good quality control, short construction period, environmental friendliness and the like, and the steel structure assembly type building is particularly prominent in the field. Traditional girder steel and coincide floor's connection structure places on the girder steel top flange for profiled sheet, and the welding toggle pin is for providing floor shearing effect on the girder steel, and this connection structure has that the work load is big, need professional welding equipment, the profiled sheet influence of floor bottom surface is pleasing to the eye and must hang the shortcoming of furred ceiling in the bottom of profiled sheet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an embedded girder steel and prefabricated coincide floor's connection structure, the profiled sheet that to solve traditional girder steel and coincide floor has that the welding equipment of work load is big, needs the specialty, bottom of the floor surface influences pleasing to the eye and must hang the technical problem of furred ceiling in the bottom of profiled sheet.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A connecting structure of an embedded steel beam and a prefabricated composite floor slab comprises the steel beam and the composite floor slab; the cross section of the steel beam is I-shaped, and first connecting holes are formed in the upper flange of the steel beam and on two sides of the web plate at intervals along the long axis direction; the laminated floor slab comprises a prefabricated slab and a cast-in-place laminated layer; a steel bar truss is pre-embedded on the precast slab; the steel bar trusses are arranged in a group and are arranged in parallel at intervals along the transverse direction; each steel bar truss is a triangular space steel bar truss; wherein, the lower chord steel bar of the steel bar truss is pre-embedded in the precast slab of the laminated floor slab; the upper chord steel bar of the steel bar truss is positioned above the precast slab, and two ends of the upper chord steel bar respectively exceed two sides of the precast slab; negative-moment reinforcements are correspondingly arranged at the top of each steel bar truss along the long axial direction of the steel bar truss; the left side and the right side of the precast slab are respectively provided with a through long connecting piece along the longitudinal direction; the connecting piece is of a strip-shaped structure with an inverted L-shaped cross section and comprises a horizontal plate and a vertical plate connected to one side of the bottom of the horizontal plate; the vertical plate is closely attached to the side face of one side corresponding to the precast slab and is welded and connected with the lower chord steel bar in the precast slab; second connecting holes are arranged on the plate surface of the horizontal plate at intervals along the long axis direction of the horizontal plate, and the second connecting holes are arranged corresponding to the first connecting holes; connecting pieces on two sides of the precast slab are respectively erected on upper flanges of steel beams on two sides and are fixed through bolts penetrating through the first connecting hole and the second connecting hole; and the cast-in-place superposed layer is poured on the tops of the precast slabs and the steel beams.
Preferably, the both ends of girder steel are provided with the end plate, offer the through-hole that is connected with the post on the face of end plate.
Preferably, the top of the end plate exceeds the top surface of the steel beam, and the bottom of the end plate exceeds the bottom surface of the steel beam; and reinforcing plates are respectively arranged between the top surface and the bottom surface of the steel beam and the end plates.
Preferably, a pipeline hole penetrating through a pipeline is formed in the web plate of the steel beam; and a pore passage which penetrates through the pipeline is formed in the prefabricated plate at the position corresponding to the pipeline hole on the steel beam.
Preferably, the first connecting hole is a round hole; the second connecting hole is a transverse long hole.
Preferably, rubber gaskets are padded between the upper flanges of the horizontal plate and the steel beam and at positions corresponding to the bolts; the rubber gasket is provided with a through hole penetrating through the bolt.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model discloses an embedded girder steel sets up the connecting plate with prefabricated coincide floor's connection structure through the prefabricated plate both sides at coincide floor, is connected with the girder steel through the connecting plate overlap joint on the girder steel, provides and shears to need not to weld the toggle pin again, simplified connection structure, reduced work load, and do not have the welding equipment who needs the specialty.
2. The utility model discloses a prefabricated plate is as the bottom plate, and is prefabricated in the mill, can directly regard as the decoration face, saves furred ceiling work, in addition, adopts the connecting plate overlap joint to reduce the building layer height on the girder steel, can effectively reduce overall cost.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is the utility model discloses well coincide floor and girder steel are connected's structural schematic.
Fig. 2 is the structure schematic diagram of the connection between the prefabricated plate and the steel beam.
Fig. 3 is a schematic structural diagram of the connection between the prefabricated panels and the connecting members.
Figure 4 is the utility model discloses set up the structural schematic diagram of rubber gasket on the well girder steel.
Figure 5 is the structural schematic diagram of the middle steel beam of the utility model.
Fig. 6 is a schematic structural view of the rubber gasket of the present invention.
Fig. 7 is a schematic structural diagram of the connecting member of the present invention.
Reference numerals: the steel plate comprises 1-steel beam, 1.1-upper flange, 1.2-web plate, 1.3-lower flange, 2-laminated floor slab, 2.1-precast slab, 2.2-cast-in-place laminated layer, 2.3-hogging moment rib, 2.4-steel bar truss, 2.5-distributed steel bar, 3-first connecting hole, 4-connecting piece, 4.1-horizontal plate, 4.2-vertical plate, 5-second connecting hole, 6-end plate, 7-bolt, 8-through hole, 9-reinforcing plate, 10-pipeline hole, 11-rubber gasket, 12-through hole and 13-third connecting hole.
Detailed Description
As shown in fig. 1-7, the connection structure of the embedded steel beam and the prefabricated composite floor slab comprises a steel beam 1 and a composite floor slab 2; the cross section of the steel beam 1 is I-shaped, and first connecting holes 3 are formed in the upper flange 1.1 of the steel beam 1 and on two sides of the web plate 1.2 at intervals along the long axial direction; the laminated floor slab 2 comprises a precast slab 2.1 and a cast-in-place laminated layer 2.2; a steel bar truss 2.4 is embedded in the precast slab 2.1; the steel bar trusses 2.4 are arranged in a group and are arranged in parallel at intervals along the transverse direction; wherein each steel bar truss 2.4 is a triangular space steel bar truss; wherein, the lower chord steel bar of the steel bar truss 2.4 is pre-embedded in the precast slab 2.1 of the laminated floor slab 2; the upper chord steel bar of the steel bar truss 2.4 is positioned above the precast slab 2.1, and two ends of the upper chord steel bar respectively exceed two sides of the precast slab 2.1; a hogging moment rib 2.3 is correspondingly arranged at the top of each steel bar truss 2.4 along the long axial direction of the steel bar truss 2.4; the left side and the right side of the precast slab 2.1 are respectively provided with a through long connecting piece 4 along the longitudinal direction; the connecting piece 4 is of a strip-shaped structure with an inverted L-shaped cross section and comprises a horizontal plate 4.1 and a vertical plate 4.2 connected to one side of the bottom of the horizontal plate 4.1; the vertical plate 4.2 is tightly attached to the side face of the corresponding side of the precast slab 2.1 and is welded with the lower chord steel bar in the precast slab 2.1; second connecting holes 5 are formed in the plate surface of the horizontal plate 4.1 at intervals along the long axis direction of the horizontal plate, and the second connecting holes 5 are arranged corresponding to the first connecting holes 3; the connecting pieces 4 on the two sides of the precast slab 2.1 are respectively erected on the upper flanges 1.1 of the steel beams 1 on the two sides and are fixed through bolts 7 penetrating through the first connecting holes 3 and the second connecting holes 5; and the cast-in-place superposed layer 2.2 is poured on the tops of the precast slabs 2.1 and the steel beams 1.
In this embodiment, the both ends of girder steel 1 are provided with end plate 6, offer the through-hole 8 that is connected with the post on the face of end plate 6 to the bolt hole one-to-one of junctor point department on through-hole 8 on the end plate 6 and the post.
In this embodiment, the steel beam 1 is made of hot-rolled H-section steel or i-section steel.
In this embodiment, the top of the end plate 6 exceeds the top surface of the steel beam 1, and the bottom of the end plate 6 exceeds the bottom surface of the steel beam 1; reinforcing plates 9 are respectively arranged between the top surface and the bottom surface of the steel beam 1 and the end plate 6.
In the embodiment, the web plate 1.2 of the steel beam 1 is provided with a pipeline hole 10 which penetrates through a pipeline, so that the pipeline of equipment can conveniently pass through the steel beam under the condition of not influencing the stress of the structure; and a pore passage which penetrates through a pipeline is formed in the prefabricated plate 2.1 at the position corresponding to the pipeline hole 10 on the steel beam 1.
In this embodiment, the first connection hole 3 is a circular hole; the second connecting hole 5 is a transverse long hole.
In this embodiment, rubber gaskets 11 are padded between the horizontal plate 4.1 and the upper flange 1.1 of the steel beam 1 at positions corresponding to the bolts 7; the rubber gasket 11 is provided with a through hole 12 penetrating through the bolt 7, and the rubber gasket 11 is used for filling the installation gap between the steel beam 1 and the precast slab 2.1 so as to tightly combine the steel beam 1 and the precast slab 2.1.
In this embodiment, the horizontal plate 4.1 of the connecting member 4 is flush with the top of the supporting frame 2.3.
In this embodiment, the bolt 7 is installed in the first connection hole 3 on the steel beam 1, and the head of the bolt 7 is downward and the screw is upward during installation.
In this embodiment, third connecting holes 13 for connecting the wall board are respectively formed in the lower flange 1.3 of the steel beam 1 and on two sides of the web 1.2 at intervals along the long axis direction.
In this embodiment, the supporting frame 2.3 is a four-leg support, and the lower end of the supporting frame 2.3 is embedded in the precast slab 2.1.
In the embodiment, the precast slab 2.1 and the steel bar truss 2.4 are prefabricated in a factory, a concrete part is prefabricated in the factory to be used as a template of the cast-in-place laminated layer 2.2, the hogging moment rib 2.3 and the distribution rib are bound on the top of the steel bar truss 2.4, then the concrete is cast in place, and the cast-in-place laminated layer 2.2 and the precast slab 2.1 bear the force together in the use stage; connecting pieces 4 are arranged on two sides of the precast slab 2.1 and are welded with the lower chord steel bars of the steel bar truss 2.4; the connecting piece 4 is provided with a second connecting hole 5 corresponding to the first connecting hole 3 on the steel beam 1.
In this embodiment, a set of distributed reinforcing bars 2.5 are arranged at intervals on the top of a set of hogging moment reinforcing bars 2.3.
In this embodiment, the construction method of the connection structure of the embedded steel beam and the prefabricated composite floor slab includes the following steps.
Step one, a bolt 7 and a gasket 11 are installed in a first connecting hole 3 of a steel beam 1, and one end of a screw of the bolt 7 faces upwards.
And step two, hoisting the prefabricated plate 2.1, aligning the second connecting holes 5 of the connecting pieces 4 on two sides of the prefabricated plate 2.1 with the first connecting holes 3 on the steel beam 1, pressing the gasket 11, and tightening the nut of the bolt 7.
And step three, binding the hogging moment rib 2.3 and the distributed reinforcing steel bars of the cast-in-place laminated layer 2.2.
And step four, casting the concrete of the cast-in-place laminated layer 2.2 in situ.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (6)
1. A connecting structure of an embedded steel beam and a prefabricated composite floor slab comprises a steel beam (1) and a composite floor slab (2); the method is characterized in that: the cross section of the steel beam (1) is I-shaped, and first connecting holes (3) are formed in the upper flange (1.1) of the steel beam (1) and located on two sides of the web plate (1.2) at intervals along the long axial direction respectively; the laminated floor slab (2) comprises a precast slab (2.1) and a cast-in-place laminated layer (2.2); a steel bar truss (2.4) is embedded in the precast slab (2.1); the steel bar trusses (2.4) are arranged in a group and are arranged in parallel at intervals along the transverse direction; wherein each steel bar truss (2.4) is a triangular space steel bar truss; wherein, the lower chord steel bar of the steel bar truss (2.4) is pre-embedded in the precast slab (2.1) of the laminated floor slab (2); the upper chord steel bar of the steel bar truss (2.4) is positioned above the precast slab (2.1), and two ends of the upper chord steel bar respectively exceed two sides of the precast slab (2.1); a hogging moment rib (2.3) is correspondingly arranged at the top of each steel bar truss (2.4) along the long axial direction of the steel bar truss (2.4); the left side and the right side of the precast slab (2.1) are respectively provided with a through long connecting piece (4) along the longitudinal direction; the connecting piece (4) is of a strip-shaped structure with an inverted L-shaped cross section and comprises a horizontal plate (4.1) and a vertical plate (4.2) connected to one side of the bottom of the horizontal plate (4.1); wherein, the vertical plate (4.2) is tightly attached to the side surface of the corresponding side of the precast slab (2.1) and is welded and connected with the lower chord steel bar in the precast slab (2.1); second connecting holes (5) are formed in the plate surface of the horizontal plate (4.1) at intervals along the long axis direction of the horizontal plate, and the second connecting holes (5) are arranged corresponding to the first connecting holes (3); the connecting pieces (4) on two sides of the precast slab (2.1) are respectively erected on the upper flanges (1.1) of the steel beams (1) on two sides and are fixed through bolts (7) penetrating through the first connecting hole (3) and the second connecting hole (5); and the cast-in-place superposed layer (2.2) is poured on the tops of the precast slabs (2.1) and the steel beams (1).
2. The connection structure of embedded steel beam and prefabricated composite floor slab of claim 1, characterized in that: the two ends of the steel beam (1) are provided with end plates (6), and through holes (8) connected with the columns are formed in the surfaces of the end plates (6).
3. The connection structure of embedded steel beam and prefabricated composite floor slab of claim 2, characterized in that: the top of the end plate (6) exceeds the top surface of the steel beam (1), and the bottom of the end plate (6) exceeds the bottom surface of the steel beam (1); and reinforcing plates (9) are respectively arranged between the top surface and the bottom surface of the steel beam (1) and the end plate (6).
4. The connection structure of embedded steel beam and prefabricated composite floor slab of claim 1, characterized in that: a pipeline hole (10) penetrating through a pipeline is formed in a web plate (1.2) of the steel beam (1); and a pore passage penetrating through the pipeline is formed in the prefabricated plate (2.1) at a position corresponding to the pipeline hole (10) on the steel beam (1).
5. The connection structure of embedded steel beam and prefabricated composite floor slab of claim 1, characterized in that: the first connecting hole (3) is a round hole; the second connecting holes (5) are transverse long holes.
6. The connection structure of embedded steel beam and prefabricated composite floor slab of claim 1, characterized in that: rubber gaskets (11) are padded between the horizontal plate (4.1) and the upper flange (1.1) of the steel beam (1) and at positions corresponding to the bolts (7); the rubber gasket (11) is provided with a through hole (12) penetrating through the bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371496.8U CN211396201U (en) | 2019-08-22 | 2019-08-22 | Connection structure of embedded steel beam and prefabricated composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371496.8U CN211396201U (en) | 2019-08-22 | 2019-08-22 | Connection structure of embedded steel beam and prefabricated composite floor slab |
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| Publication Number | Publication Date |
|---|---|
| CN211396201U true CN211396201U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921371496.8U Expired - Fee Related CN211396201U (en) | 2019-08-22 | 2019-08-22 | Connection structure of embedded steel beam and prefabricated composite floor slab |
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| CN (1) | CN211396201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177217A (en) * | 2020-09-09 | 2021-01-05 | 山东汇富建设集团建筑工业有限公司 | Prestressed concrete truss laminated slab and manufacturing method thereof |
| CN114382252A (en) * | 2022-01-29 | 2022-04-22 | 中建科工集团有限公司 | Well pre-buried structure and steel structure building construction method |
-
2019
- 2019-08-22 CN CN201921371496.8U patent/CN211396201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177217A (en) * | 2020-09-09 | 2021-01-05 | 山东汇富建设集团建筑工业有限公司 | Prestressed concrete truss laminated slab and manufacturing method thereof |
| CN114382252A (en) * | 2022-01-29 | 2022-04-22 | 中建科工集团有限公司 | Well pre-buried structure and steel structure building construction method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20210822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |