CN208363421U - Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node - Google Patents
Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node Download PDFInfo
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- CN208363421U CN208363421U CN201820368038.8U CN201820368038U CN208363421U CN 208363421 U CN208363421 U CN 208363421U CN 201820368038 U CN201820368038 U CN 201820368038U CN 208363421 U CN208363421 U CN 208363421U
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- concrete
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- connection node
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- 239000004567 concrete Substances 0.000 title claims abstract description 132
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- 239000000463 material Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 14
- 210000003205 muscle Anatomy 0.000 description 13
- 238000012856 packing Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
本实用新型属于建筑结构工程中装配式结构节点制作技术领域，具体涉及一种装配式钢管混凝土柱‑独立基础‑混凝土圈梁十字形连接节点。本实用新型中构件工厂预制，现场装配，其中钢管混凝土柱与混凝土独立基础螺栓连接，混凝土圈梁分别搭接在独立基础的四条边上，形成十字形连接节点，各圈梁纵筋交叉处钢筋间绑扎固定，在十字形连接节点区形成钢筋笼，节点施工现场浇筑，其现浇节点形式连接可靠，使相邻圈梁及钢管混凝土柱、独立基础连接成一个整齐，增加了结构的整体性，减轻基础不均匀沉降对结构的影响，同时有效保护了柱脚、避免柱脚钢材腐蚀，提高了房屋底部结构的可靠性，适合在村镇低多层农房结构中广泛推广应用。
The utility model belongs to the technical field of fabrication of prefabricated structural nodes in building structure engineering, in particular to a cross-shaped connection node of prefabricated concrete-filled steel tubular columns-independent foundation-concrete ring beams. In the utility model, the components are prefabricated in the factory and assembled on site, wherein the concrete-filled steel tubular columns are connected with the independent concrete foundation bolts, and the concrete ring beams are respectively overlapped on the four sides of the independent foundation to form cross-shaped connection nodes. Binding and fixing, forming a steel cage in the cross-shaped connection node area, the node is poured at the construction site, and its cast-in-place node form is connected reliably, so that the adjacent ring beams, concrete-filled steel tube columns, and independent foundations are connected into a neat, increasing the integrity of the structure. , reduce the impact of uneven foundation settlement on the structure, at the same time effectively protect the column foot, avoid the corrosion of the column foot steel, improve the reliability of the bottom structure of the house, and it is suitable for widespread application in low-rise and multi-storey farm house structures in villages and towns.
Description
Technical field:
The utility model belongs to fabricated construction node manufacture technology field in structural engineering, and in particular to a kind of dress
With formula steel core concrete column-isolated footing-concrete collar tie beam cross connecting node and the practice.
Background technique:
As the main bearing member in building structure, it is respective with concrete that steel core concrete column has played steel pipe simultaneously
Material sexual clorminance has mechanical property outstanding.1) bearing capacity is strong.For thin-wall steel tube, since it is very quick to local defect
Sense, so that its critical bearing capacity is very unstable, the appearance of concrete can prevent or thin-wall steel tube early stage is delayed to bend
Bent situation.And constraint of the concrete by steel pipe, Compression mechanism are three dimension stress, may make that longitudinal cracking obtains during compression
To delay.Therefore, concrete filled steel tube has stronger bearing capacity.2) ductility is good.On the one hand core concrete is existed by steel tube confinement
It enables to its resilient nature to be better during use, biggish plastic deformation on the other hand can occur during destruction.
3) fire resistance is excellent.Concrete filled steel tube is made of steel and core concrete, and fire resistance is significantly better than steel construction.
In view of the superior mechanical property of concrete filled steel tube, steel core concrete column starts gradually to apply to emerging structure type dress
With in formula light-weight structure residence, there is very positive meaning to the bearing capacity and anti-seismic performance that improve light-weight structure residence.When
Before, China is in novel urbanization, new countryside construction flourishes period, with vigorously advocating for country, development building work
Industry, housing industrialization (especially structure with assembled lightweight steel dwelling house system) are the urgent of construction industry transformation traditional construction mode
Need, even more the villages and small towns agriculture room that has a large capacity and a wide range of adaptation China build there is an urgent need to.
But in structure with assembled lightweight steel, effective anchoring of node how is carried out, is that prefabricated member plays its bearing capacity
Key；The globality for how carrying out bottom structure is the key that improve light-weight structure residence reliability and durability.Therefore,
The effective anchoring for how carrying out steel core concrete column improves its globality between basis, collar tie beam bottom construction, while carrying out column
The protection of foot steel is the key that light-weight structure residence can be promoted and applied preferably in the construction of new countryside.
Summary of the invention
The utility model provides a kind of connection of assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross
Node and the practice, each structural elements prefabrication in the utility model, construction site assembly pour after node, cross are overlapped
The collar tie beam of arrangement and column, the reliable anchoring in basis together, while effective protection suspension column, avoiding suspension column corrosion of steel, construction letter
It is single, it is easy for construction, it is suitble to the wide popularization and application in the low Multistory Light Steel Structrue Housing in villages and small towns, pushes villages and small towns housingization hair
Exhibition.
To achieve the above objectives, the present invention adopts the following technical solutions:
Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node, including steel core concrete column
(1), suspension column end plate (2), concrete collar tie beam (3), collar tie beam indulge muscle (4), concrete isolated footing (5), pre-embedded bolt (6) and cross
Shape connecting node (7)；The steel core concrete column (1) and concrete isolated footing (5) for being welded with suspension column end plate (2) pass through pre-buried spiral shell
Bolt (6) connection, concrete collar tie beam (3) are overlapped on respectively on (5) four side of concrete isolated footing, form cross connecting node；
Configuration collar tie beam indulges muscle (4) in the concrete collar tie beam (3), and collar tie beam indulges muscle (4) from steel core concrete column (1) two sides, protrudes into ten
In font connecting node (7) region, for four edge laps between the collar tie beam on concrete isolated footing (5), collar tie beam indulges muscle (4) friendship
Binding and fixing between reinforcing bar at fork form node area steel reinforcement cage, using concrete or grouting material, complete cross connecting node (7)
Filling forms assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node.
Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross the connecting node, feature exist
In:
Steel core concrete column (1) section form be rectangular, rectangle or circle, rectangular, rectangular steel pipe side length and
Round steel pipe diameter is not less than 100mm.The casting concrete in steel pipe, forms steel core concrete column after maintenance, prefabrication is existing
Field is mounted directly, and facilitates construction, reduces the duration.
Suspension column end plate (2) shape is rectangular or rectangle, and thickness takes not less than 6mm, is welded on steel core concrete column
(1) bottom.Prepared screw-bolt hole on suspension column end plate (2), the pre-embedded bolt (6) on concrete isolated footing (5) pass through suspension column end plate
(2) steel core concrete column (1) and concrete isolated footing (5) are reliably connected by the prepared screw-bolt hole on.
Configuration collar tie beam indulges muscle (4) in the concrete collar tie beam (3), and it is only that concrete collar tie beam (3) is overlapped on concrete respectively
On (5) four sides of vertical basis, cross connecting node is formed.
The collar tie beam indulges muscle (4) and uses spiral reinforcement, and collar tie beam indulges muscle (4) along the elongated arrangement of collar tie beam and stretches out collar tie beam end
Section, after concrete collar tie beam (3) is overlapped on concrete isolated footing (5), overhanging collar tie beam indulges muscle (4) across steel tube concrete
Node area is goed deep into earth pillar (1) two sides, and extension is without departing from cross connecting node (7) area size, to guarantee that node area is poured
When building, the not exposed egress area of reinforcing bar.The collar tie beam of each collar tie beam indulges binding and fixing between muscle (4) infall reinforcing bar, connects in cross
Node (7) area forms steel reinforcement cage.After the filling of node area, is formed and match rigidity of soft tissues node.
Described concrete isolated footing (5) the top surface pre-embedded bolt (6).
The steel core concrete column (1), concrete collar tie beam (3) and concrete isolated footing (5), according to Practical Project need
It wants, regeneration concrete can be used.
The pre-embedded bolt (6) is embedded in basis when making concrete isolated footing (5), and according to Practical Project
Exposed certain anchoring distance.
The cross connecting node (7) is poured using the building packing material such as concrete or grouting material.Filling
The strength of materials is not less than concrete strength in steel core concrete column (1), concrete collar tie beam (3), concrete isolated footing (5).Ten
Font connecting node (7) construction site is cast-in-place, by steel core concrete column (1), concrete collar tie beam (3), concrete isolated footing (5)
It firmly pours together, makes one neatly, increase the globality of structure, mitigate foundation uneven settlement to structure
Influence.Meanwhile suspension column is effectively protected, avoid suspension column corrosion of steel.
Compared with prior art, the assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross of the utility model
Shape connecting node has the advantage that
(1) the utility model be prefabricated member node production method, steel core concrete column, concrete isolated footing,
Concrete collar tie beam component is prefabrication production, and only node area construction site pours, and structural form facilitates formwork, is easy to apply
Work significantly reduces worker's operation intensity, reduces the engineering amount of labour used, efficiently shortens the construction time, be suitble in low multilayer rural housing structure
Middle popularization and application quickly propel the villages and small towns agriculture room retrofit work having a large capacity and a wide range.
(2) node area, the vertical muscle of collar tie beam is overhanging, is overlapped to form steel reinforcement cage in cross connecting node area, and packing material is cast-in-place, will
Bottom structure component steel core concrete column, concrete isolated footing, concrete collar tie beam pour integral, form strong node, increase
The globality of bottom structure realizes strong bottom structure construction.
(3) strong joint form has been effectively ensured main bearing member column being reliably connected to basis, ensure that load exists
Effective transmitting that column, collar tie beam are carried to basis, increases the bearing capacity of structure.
(4) strong bottom structure construction, enhances the overall stiffness of building and the stability of wall, and it is uneven heavy to mitigate basis
Influence to structure is dropped, reduces gene basis differential settlement or larger vibration load to the adverse effect of building and its caused
Wall cracking.In area of providing fortification against earthquakes, the low multilayer rural housing structure entirety shock resistance in villages and small towns can be effectively improved.
(5) strong bottom structure forms complete reliable stress system with concrete-filled steel Tubular frame structure, does not need wall
Structural load is undertaken as primary structure member, convenient for wall arrangement and the type selecting of wallboard.In the low multilayer rural housing structure in villages and small towns, wall
Building block or installation assembled wallboard can directly be built on collar tie beam.
(6) steel tube concrete column feet is wrapped in node region by fill concrete or grouting material etc., makes suspension column and the external world
Isolation protects suspension column, avoids suspension column corrosion of steel.Meanwhile the packing materials such as concrete, grouting material have fire prevention effect well
Fruit can make up the disadvantage of steel fire resistance property difference.
Detailed description of the invention:
Fig. 1 is assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node manufacturing process part
Detail drawing；(a) collar tie beam overlap joint (b) node pours
Fig. 2 is Prefabricated concrete-filled steel tube column schematic diagram；
Fig. 3 is precast concrete isolated footing schematic diagram；
Fig. 4 is precast concrete collar tie beam schematic diagram；
Fig. 5 is assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node assembling plan view；
Fig. 6 is assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node overall schematic；
In figure: 1- steel core concrete column；2- suspension column end plate；3- concrete collar tie beam；4- collar tie beam indulges muscle；5- concrete independence base
Plinth；6- pre-embedded bolt；7- cross connecting node.
Specific embodiment:
Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node in invention, in conjunction with attached drawing
1~6 illustrate the utility model the production method is as follows:
Step 1: prefabrication steel core concrete column, concrete collar tie beam and concrete isolated footing.Steel core concrete column system
When making, in steel pipe bottom welded post foot plate after-pouring concrete and conserve；When concrete collar tie beam makes, collar tie beam indulges muscle and uses spiral shell
Reinforcing bar is revolved, along the elongated arrangement of collar tie beam and overhanging beam end section of going too far, extension is without departing from cross connecting node region ruler
It is very little；Basis top surface pre-embedded bolt when concrete isolated footing makes.
Step 2: assembled in situ.Pre-embedded bolt on isolated footing passes through the prepared screw-bolt hole on suspension column end plate, by steel pipe
Concrete column is bolted with concrete isolated footing, and concrete collar tie beam is then overlapped on the four of concrete isolated footing respectively
Bian Shang forms cross connecting node, and the collar tie beam of each collar tie beam indulges binding and fixing between muscle infall reinforcing bar, in cross connecting node
Area forms steel reinforcement cage.
Step 3: carrying out pouring for node concrete or grouting material, packing material vibrate using the tool of vibrating close
It is real, and smooth out surface conserves, and forms a kind of assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connection section
Point.
The foregoing is merely a specific implementation case of the utility model, but the utility model using without being limited thereto.
The selection of cited each scantling and material can select to transport according to actual needs in the utility model implementation process
With will not enumerate herein.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368038.8U CN208363421U (en) | 2018-03-19 | 2018-03-19 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368038.8U CN208363421U (en) | 2018-03-19 | 2018-03-19 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
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| Publication Number | Publication Date |
|---|---|
| CN208363421U true CN208363421U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820368038.8U Expired - Fee Related CN208363421U (en) | 2018-03-19 | 2018-03-19 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
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| CN (1) | CN208363421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301562A (en) * | 2018-03-19 | 2018-07-20 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
| CN110984203A (en) * | 2019-11-18 | 2020-04-10 | 中国建筑材料科学研究总院有限公司 | Precast concrete foundation, ground beam and connecting structure and installation method |
-
2018
- 2018-03-19 CN CN201820368038.8U patent/CN208363421U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301562A (en) * | 2018-03-19 | 2018-07-20 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
| CN110984203A (en) * | 2019-11-18 | 2020-04-10 | 中国建筑材料科学研究总院有限公司 | Precast concrete foundation, ground beam and connecting structure and installation method |
| CN110984203B (en) * | 2019-11-18 | 2022-02-18 | 中国建筑材料科学研究总院有限公司 | Precast concrete foundation, ground beam, connecting structure and mounting method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |