CN208023712U - A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit - Google Patents
A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit Download PDFInfo
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- CN208023712U CN208023712U CN201820333097.1U CN201820333097U CN208023712U CN 208023712 U CN208023712 U CN 208023712U CN 201820333097 U CN201820333097 U CN 201820333097U CN 208023712 U CN208023712 U CN 208023712U
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Abstract
A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit, the thought quickly connected using prefabrication and assembly construction make Steel Reinforced Concrete Beam-column Joints unit in pre-fabricated factory, and transport to construction site and prefabricated steel reinforced concrete beam-to-column joint are completed to build, and construction is convenient.It is characterized in that：Joint cores encased steel plate cylinder, the built-in profile steel edge of a wing weld checkered steel plate formed built-in profile steel cylinder, the two work together can operative constraint core space concrete, enhancing concrete binding power simultaneously improve deformability.Prefabricated node unit height takes spacing between adjacent two layers frame column inflection point, and moment of flexure smallest point under horizontal loading is in prefabricated profile steel concrete column bonding pad；The overhanging girder steel in joint cores simultaneously adds ribbed stiffener, and moment of flexure smallest point under vertical load, reasonable stress are in prefabricated girder with rolled steel section en cased in concrete bonding pad.
Description
Technical field
The utility model belongs to technical field of buildings, more particularly to a kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints list
Member.
Background technology
Steel reinforced concrete structure (SRC) refers to configuring shaped steel in ordinary reinforced concrete member section to be formed by steel-
Concrete combined structure form.Steel reinforced concrete structure has both both concrete structure and steel construction advantage, has significant performance
Advantage is that one kind being very suitable for antidetonation, fire-resistance and windproof high building structure type.
Although there are significant performance advantages in terms of stress performance for steel reinforced concrete structure, due to steel reinforced concrete knot
Structure process is various, this complicated distinct disadvantage of construction, causes steel reinforced concrete structure in Practical Project popularization and application by tight
Recasting is about.
Prefabricated assembly structural is quickly grown in recent years, and wherein prefabrication and assembly construction SRC structures are also developed.For cast-in-place SRC
The problem of structure construction complexity, existing preferable settling mode be will construct complicated beam column node core area execution conditions compared with
Good prefabrication only carries out Liang Liang, the connection of column column of prefabricated components, keeps construction more convenient when constructing at the scene.But due to
Steel reinforced concrete joint cores stress is complicated, how it is prefabricated can effectively restraint joint core space concrete, enhance its intensity
With deformability, prevents joint cores failure by shear and effective force is still a problem to be solved.
Invention content
In order to overcome the disadvantages of the above prior art, it is mixed that the purpose of this utility model is to provide a kind of prefabrication and assembly construction shaped steel
Solidifying soil bean column node unit is based on confined concrete principle, joint cores outsourcing in conjunction with the construction characteristic of prefabricated assembly structural
Steel plate cylinder, the built-in profile steel edge of a wing weld checkered steel plate and form built-in profile steel cylinder, and the two co-operation can operative constraint core space
Concrete enhances concrete binding power and improves deformability.Prefabricated node unit height takes adjacent two layers frame column inflection point
Between spacing, be in moment of flexure smallest point under horizontal loading with prefabricated profile steel concrete column bonding pad；The overhanging girder steel in joint cores is simultaneously
Ribbed stiffener is added, is in moment of flexure smallest point under vertical load with prefabricated girder with rolled steel section en cased in concrete bonding pad, stress is relatively reasonable.
To achieve the goals above, the technical solution adopted in the utility model is：
A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit, includes the steel plate cylinder 7 positioned at core space, and steel plate cylinder 7 is
The rectangular parallelepiped structure of upper and lower opening, at least one of four lateral surfaces are welded with horizontal overhanging shaped steel 10, vertical type
Steel 2 runs through steel plate cylinder 7, and shaped steel 2 and steel plate cylinder 7 are welded between the side with overhanging shaped steel 10 for shaped steel 2 and overhanging shaped steel
The short steel 12 of 10 power transmissions is respectively arranged with top concrete 1 and lower part concrete 5, steel plate in the upper and lower part of steel plate cylinder 7
Shaped steel 2 above 7 upper bottom surfaces of cylinder is located in top concrete 1, and the shaped steel 2 below bottom surface is located in lower part concrete 5.
Several vertical muscle 3 are provided with outside the shaped steel 2, each vertical muscle 3 runs through steel plate cylinder 7, the vertical muscle above 7 upper bottom surface of steel plate cylinder
It is provided with top stirrup 4 outside 3, the vertical muscle 3 and top stirrup 4 above 7 upper bottom surface of steel plate cylinder are located in top concrete 1, bottom
It is provided with lower part stirrup 6 outside vertical muscle 3 below face, the vertical muscle 3 and lower part stirrup 6 below bottom surface are located in lower part concrete 5.
The short steel 12 is identical as the size of overhanging shaped steel 10, and short steel 12 and overhanging shaped steel 10 are in steel plate cylinder 7
Position keep correspond to.
The shaped steel 2 is welded to form by two I-steel nestings, and short steel 12 is welded on the corresponding edge of a wing.
The shaped steel 2 is welded with checkered steel plate 9 in the part inside steel plate cylinder 7 between the adjacent edge of a wing, make shaped steel 2
It is shaped steel cylinder in 7 inner sealing of steel plate cylinder.
It is welded with transverse stiffener 11 on the inside of the edge of a wing of the shaped steel 2, is welded between the short steel 12 and steel plate cylinder 7
Vertical ribbed stiffener 8.
The cross section and the size and shape of bottom surface in steel plate cylinder 7 of the top concrete 1 and lower part concrete 5 are complete
It is complete equal.
The production method that the utility model additionally provides the prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit, including such as
Lower step：
Step 1, in the edge of a wing external welding short steel 12 of the shaped steel of core space 2；
Step 2, shaped steel 2 is packed into steel plate cylinder 7, welding short steel 12 and steel plate cylinder 7；
Step 3, in the overhanging shaped steel of 7 external welding of steel plate cylinder 10；
Step 4, formwork and top concrete 1 and lower part concrete 5 are poured.
Further, before the step 1, according to the size of steel plate cylinder 7, in the intermarginal welding flower of the adjacent foil of shaped steel 2
Line steel plate 9 makes shaped steel 2 form closed shaped steel cylinder in core space；
Further, between step 1 and step 2, vertical ribbed stiffener 8 is welded between short steel 12 and steel plate cylinder 7；
Further, it between step 3 and step 4, arranges and indulges muscle 3 and top stirrup 4, lower part stirrup 6.
Compared with prior art, the utility model has the beneficial effects that：
(1) applicability is wide
The utility model beam-column node unit can be with a variety of prefabricated steel reinforced concrete beam-to-column joints.For prefabrication type steel reinforced concrete
Solidifying Tu Liang, the utility model beam-column node unit can be solidifying according to connected prefabrication type steel reinforced concrete in the overhanging shaped steel in joint cores
Tu Liang selects overhanging shaped steel or overhanging corresponding prefabricated girder with rolled steel section en cased in concrete；For prefabricated steel reinforced concrete beam column, this practicality is new
Concrete can be according to prefabricated steel reinforced concrete beam column (the complete prefabricated or partial precast) choosing connected in type beam-column node unit
Select one-time-concreting or two-step pouring, using flexible, applicability is wide.
(2) functional promotion
The utility model beam-column node unit, which makes, is based on confined concrete principle, joint cores encased steel plate cylinder,
The built-in profile steel edge of a wing weld checkered steel plate formed built-in profile steel cylinder, the two work together can operative constraint core space concrete,
Enhancing concrete binding power simultaneously improves deformability.It uses multiple tracks vertical and transverse stiffener in joint cores, effectively prevent
Shaped steel local buckling.
Description of the drawings
Fig. 1 is the utility model prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints cell schematics.
Fig. 2 is the utility model prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit vertical view.
Fig. 3 is the utility model prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit steel construction partial schematic diagram.
Specific implementation mode
The embodiment of the utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, a kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit of the utility model, including
Positioned at the steel plate cylinder 7 of core space, steel plate cylinder 7 is the rectangular parallelepiped structure of upper and lower opening, the weldering of at least one of four lateral surfaces
It is connected to horizontal overhanging shaped steel 10 (welding overhanging shaped steel 10 in embodiment for four sides), on the top of steel plate cylinder 7 under
Portion is respectively arranged with top concrete 1 and lower part concrete 5.The cross section and steel plate cylinder of top concrete 1 and lower part concrete 5
The size and shape of bottom surface are essentially equal on 7.
In steel plate cylinder 7, the core space of the utility model node unit is formd.
Vertical shaped steel 2 runs through steel plate cylinder 7, and shaped steel 2 is welded to form by two I-steel nestings, and four are disposed with outside shaped steel 2
Item indulges muscle 3, and each vertical muscle 3 also extends through steel plate cylinder 7, and top stirrup 4, steel plate cylinder are provided with outside the vertical muscle 3 above 7 upper bottom surface of steel plate cylinder
Vertical muscle 3, shaped steel 2 and top stirrup 4 above 7 upper bottom surfaces are located in top concrete 1, are arranged outside the vertical muscle 3 below bottom surface
There is lower part stirrup 6, the vertical muscle 3, shaped steel 2 and lower part stirrup 6 below bottom surface are located in lower part concrete 5.
Shaped steel 2 and steel plate cylinder 7 are welded between the side with overhanging shaped steel 10 for shaped steel 2 and 10 power transmission of overhanging shaped steel
Short steel 12, wherein short steel 12 are welded on the edge of a wing of shaped steel 2.Short steel 12 is identical as the size of overhanging shaped steel 10, and short
Shaped steel 12 is corresponding with position holding of the overhanging shaped steel 10 in steel plate cylinder 7.
Shaped steel 2 is welded with checkered steel plate 9 in the part inside steel plate cylinder 7 between the adjacent edge of a wing, make shaped steel 2 in steel
7 inner sealing of plate cylinder is shaped steel cylinder.
It is welded with transverse stiffener 11 on the inside of the edge of a wing of shaped steel 2, is welded between short steel 12 and steel plate cylinder 7 and vertically puts more energy into
Rib 8 each serves as the effect for putting more energy into and preventing shaped steel local failure.
The production method of above-mentioned prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit, first prefabricated node unit steel construction portion
Point, prefabricated node unit concrete structure part is then completed, is specifically comprised the following steps：
Step 1, make shaped steel 2 in core in the intermarginal welding checkered steel plate 9 of the adjacent foil of shaped steel 2 according to the size of steel plate cylinder 7
Heart district forms closed shaped steel cylinder, and wherein checkered steel plate 9 can select different decorative pattern forms according to demand；
Step 2, in the edge of a wing external welding short steel 12 of the shaped steel of core space 2；
Step 3, vertical ribbed stiffener 8 is welded between short steel 12 and steel plate cylinder 7；
Step 4, shaped steel 2 is packed into steel plate cylinder 7, welding short steel 12 and steel plate cylinder 7；
Step 5, in the overhanging shaped steel 10 of 7 external welding of steel plate cylinder, overhanging shaped steel 10 can be according to the prefabricated SRC beams type connected
Select overhanging shaped steel or overhanging girder with rolled steel section en cased in concrete；
Step 6, arrange that indulging muscle 3 and top stirrup 4, lower part stirrup 6, top stirrup 4 and lower part stirrup 6 can select according to demand
Select common double limb hoops or rectangle compound chaser；
Step 7, formwork and top concrete 1 and lower part concrete 5 are poured, top concrete 1 and lower part concrete 5 can roots
It is compound according to demand selection general goods concrete, fiber concrete (FRC), Reactive Powder Concrete (RPC) and engineered cementitious base
Material (ECC) etc..
In the utility model, each design parameter such as intensity and thickness involved by steel plate cylinder 7 and other components can basis
Corresponding design and calculation method optimizes.
To sum up, the utility model uses the thought that prefabrication and assembly construction quickly connects, and girder with rolled steel section en cased in concrete is made in pre-fabricated factory
Column border node unit, transport to construction site and prefabricated steel reinforced concrete beam-to-column joint are completed to build, and construction is convenient.Joint core
Area's encased steel plate cylinder, the built-in profile steel edge of a wing weld checkered steel plate and form built-in profile steel cylinder, and the two co-operation can operative constraint
Core space concrete enhances concrete binding power and improves deformability.Prefabricated node unit height takes adjacent two layers frame column
Spacing between inflection point is in moment of flexure smallest point under horizontal loading with prefabricated profile steel concrete column bonding pad；Joint cores are overhanging
Girder steel simultaneously adds ribbed stiffener, and moment of flexure smallest point under vertical load, reasonable stress are in prefabricated girder with rolled steel section en cased in concrete bonding pad.
Claims (7)
1. a kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit, which is characterized in that include the steel plate cylinder positioned at core space
(7), steel plate cylinder (7) is the rectangular parallelepiped structure of upper and lower opening, and at least one of four lateral surfaces are welded with horizontal overhanging
Shaped steel (10), vertical shaped steel (2) run through steel plate cylinder (7), shaped steel (2) and side of the steel plate cylinder (7) with overhanging shaped steel (10) it
Between be welded with short steel (12) for shaped steel (2) and overhanging shaped steel (10) power transmission, distinguish in the upper and lower part of steel plate cylinder (7)
It is provided with top concrete (1) and lower part concrete (5), the shaped steel (2) above steel plate cylinder (7) upper bottom surface is located at top concrete
(1) in, the shaped steel (2) below bottom surface is located in lower part concrete (5).
2. prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit according to claim 1, which is characterized in that the shaped steel (2)
It is provided with several vertical muscle (3) outside, each vertical muscle (3) runs through steel plate cylinder (7), and the vertical muscle (3) above steel plate cylinder (7) upper bottom surface is arranged outside
There is top stirrup (4), the vertical muscle (3) and top stirrup (4) above steel plate cylinder (7) upper bottom surface are located in top concrete (1), under
It is provided with lower part stirrup (6) outside the vertical muscle (3) of subjacent, the vertical muscle (3) and lower part stirrup (6) below bottom surface are located at lower part
In concrete (5).
3. prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit according to claim 1, which is characterized in that the short steel
(12) identical as the size of overhanging shaped steel (10), and short steel (12) is protected with position of the overhanging shaped steel (10) in steel plate cylinder (7)
Hold correspondence.
4. prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit according to claim 1, which is characterized in that the shaped steel (2)
It is welded to form by two I-steel nestings, short steel (12) is welded on the corresponding edge of a wing.
5. prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit according to claim 4, which is characterized in that the shaped steel (2)
In the internal part of steel plate cylinder (7), it is welded with checkered steel plate (9) between the adjacent edge of a wing, makes shaped steel (2) in steel plate cylinder (7)
Inner sealing is shaped steel cylinder.
6. according to the prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit of claim 1 or 4, which is characterized in that the shaped steel
(2) it is welded with transverse stiffener (11) on the inside of the edge of a wing, is welded between the short steel (12) and steel plate cylinder (7) and vertically puts more energy into
Rib (8).
7. prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit according to claim 1, which is characterized in that the top coagulation
The cross section and the size and shape of bottom surface in steel plate cylinder (7) of native (1) and lower part concrete (5) are essentially equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820333097.1U CN208023712U (en) | 2018-03-12 | 2018-03-12 | A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820333097.1U CN208023712U (en) | 2018-03-12 | 2018-03-12 | A kind of prefabrication and assembly construction Steel Reinforced Concrete Beam-column Joints unit |
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| CN208023712U true CN208023712U (en) | 2018-10-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106978A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | Half prefabricated reinforced concrete column node unit of one kind and its application |
| CN116988560A (en) * | 2023-09-26 | 2023-11-03 | 华侨大学 | Beam-column structure of assembled reinforced concrete and construction method thereof |
-
2018
- 2018-03-12 CN CN201820333097.1U patent/CN208023712U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106978A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | Half prefabricated reinforced concrete column node unit of one kind and its application |
| CN116988560A (en) * | 2023-09-26 | 2023-11-03 | 华侨大学 | Beam-column structure of assembled reinforced concrete and construction method thereof |
| CN116988560B (en) * | 2023-09-26 | 2023-12-05 | 华侨大学 | Beam-column structure of assembled reinforced concrete and construction method thereof |
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