CN108301562A - 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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- CN108301562A CN108301562A CN201810223399.8A CN201810223399A CN108301562A CN 108301562 A CN108301562 A CN 108301562A CN 201810223399 A CN201810223399 A CN 201810223399A CN 108301562 A CN108301562 A CN 108301562A
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- concrete
- collar tie
- tie beam
- isolated footing
- column
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- 239000004567 concrete Substances 0.000 title claims abstract description 161
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 210000003205 muscle Anatomy 0.000 claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000011065 in-situ storage Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 6
- 238000009417 prefabrication Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004873 anchoring 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
- 230000018109 developmental process Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention belongs to fabricated construction node manufacture technology fields in structural engineering, and in particular to a kind of assembly concrete-filled steel tube column independent footing concrete collar tie beam cross connecting node.Element factory is prefabricated in the present invention, assembled in situ, wherein steel core concrete column is bolted with concrete isolated footing, concrete collar tie beam is overlapped on the four edges of isolated footing respectively, form cross connecting node, each collar tie beam indulges banding fixed between muscle infall reinforcing bar, steel reinforcement cage is formed in cross connecting node area, node construction cast in situs, the connection of its cast-in-place node form is reliable, make adjacent collar tie beam and steel core concrete column, isolated footing connects into one neatly, increase the globality of structure, mitigate influence of the foundation uneven settlement to structure, effective protection suspension column simultaneously, avoid suspension column corrosion of steel, improve the reliability of house bottom structure, it is suitble to the wide popularization and application in the low multilayer rural housing structure in villages and small towns, push villages and small towns housingization development.
Description
Technical field：
The invention belongs to fabricated construction node manufacture technology fields in structural engineering, and in particular to a kind of assembled
Steel core concrete column-isolated footing-concrete collar tie beam cross connecting node and the practice.
Background technology：
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, concrete go out to be now able to prevent or delay thin-wall steel tube early stage bend
Bent situation.And concrete is constrained by steel pipe, Compression mechanism is 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 elastic property to be better during use, larger 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 pattern
Need, even more adapt to that the villages and small towns agriculture room that has a large capacity and a wide range of China builds 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 substructure, while carrying out column
The protection of foot steel, which is the key that light-weight structure residence, preferably to be promoted and applied in new countryside construction.
Invention content
The present invention provides a kind of assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting nodes
And the practice, each structural elements prefabrication in the present invention, construction site assembly is poured after node, by the circle of cross overlap joint arrangement
Liang Yuzhu, the reliable anchoring in basis together, while effective protection suspension column, avoiding suspension column corrosion of steel, simple structure, construction party
Just, 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 development.
To achieve the above object, the present invention adopts the following technical scheme that：
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) connects, and concrete collar tie beam (3) is overlapped on respectively on (5) four side of concrete isolated footing, forms 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) both sides, stretches into ten
In font connecting node (7) region, between collar tie beam of four edge laps on concrete isolated footing (5), collar tie beam indulges muscle (4) friendship
Banding fixed between reinforcing bar at fork forms node area steel reinforcement cage, using concrete or grouting material, completes 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：
Described steel core concrete column (1) section form be rectangular, rectangle or circle, rectangular, the rectangular steel pipe length of side 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.
Described 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 spiral reinforcement, collar tie beam is used to indulge muscle (4) along the elongated arrangement of collar tie beam and stretch 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) and passes through steel tube concrete
Node area is goed deep into earth pillar (1) both sides, and extension is without departing from cross connecting node (7) area size, to ensure 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 banding fixed between muscle (4) infall reinforcing bar, is connected 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 when making concrete isolated footing (5) in basis, 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 it being effectively protected suspension column, avoid suspension column corrosion of steel.
Compared with prior art, assembly concrete-filled steel tube of the invention column-isolated footing-concrete collar tie beam cross connects
Connecing node has following advantage：
(1) present invention is the production method of prefabricated member node, steel core concrete column, concrete isolated footing, coagulation
Pedosphere beam is prefabrication production, and only node area construction site pours, and structural form facilitates formwork, is easy to construct, and shows
Writing reduces worker's operation intensity, reduces the engineering amount of labour used, efficiently shortens the construction time, be suitble to promote in low multilayer rural housing structure
Using quickly propelling 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, and steel reinforcement cage is overlapped to form 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 transmission 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 body, 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 body 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 by laying bricks or stones 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 there is the packing materials such as concrete, grouting material fire prevention well to imitate
Fruit can make up the disadvantage of steel fire resistance property difference.
Description of the drawings：
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 columns；2- suspension column end plates；3- concrete collar tie beams；4- collar tie beams indulge muscle；5- concrete independence bases
Plinth；6- pre-embedded bolts；7- cross connecting nodes.
Specific implementation mode：
Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node in invention, in conjunction with attached drawing
1~6 to illustrate production method of the present invention as follows：
The first step：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.
Second step：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 banding fixed between muscle infall reinforcing bar, in cross connecting node
Area forms steel reinforcement cage.
Third walks：Pouring for node concrete or grouting material is carried out, 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 the specific implementation cases of the present invention, but the application of the present invention is without being limited thereto.In the present invention
The selection of cited each scantling and material can select to use according to actual needs in implementation process, not another herein
One enumerates.
Claims (9)
1. assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node, it is characterised in that：Including steel
Pipe concrete column (1), suspension column end plate (2), concrete collar tie beam (3), collar tie beam indulge muscle (4), concrete isolated footing (5), pre-buried spiral shell
Bolt (6) and cross connecting node (7)；It is welded with steel core concrete column (1) and the concrete isolated footing (5) of suspension column end plate (2)
It is connected by pre-embedded bolt (6), concrete collar tie beam (3) is overlapped on respectively on (5) four side of concrete isolated footing, forms 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
Side is stretched into cross connecting node (7) region, and between collar tie beam of four edge laps on concrete isolated footing (5), collar tie beam is vertical
Banding fixed between muscle (4) infall reinforcing bar forms node area steel reinforcement cage, using concrete or grouting material, completes cross connection
Node (7) is filled, and assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node is formed.
2. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：The steel core concrete column (1) is formed by the casting concrete in steel pipe after maintenance；Steel pipe used
Section form be rectangular, rectangle or circle, rectangular, the rectangular steel pipe length of side and round steel pipe diameter are not less than 100mm.
3. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：Steel plate thickness used in the suspension column end plate (2) is not less than 6mm, and shape is rectangular or rectangle, is welded on
Steel core concrete column (1) bottom；The bolt hole in aperture needed for connection pre-embedded bolt (6) is machined on suspension column end plate (2).
4. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：The collar tie beam indulges muscle (4) and uses spiral reinforcement.
5. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：The collar tie beam indulges muscle (4) along the elongated arrangement of collar tie beam and overhanging beam end section of going too far；When collar tie beam assembles,
Collar tie beam is indulged muscle (4) and is stretched into cross connecting node (7), but length is without departing from cross connecting node (7) area size.
6. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：Described concrete isolated footing (5) the top surface pre-embedded bolt (6).
7. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：The pre-embedded bolt (6) is embedded in when making concrete isolated footing (5) in basis, and exposed anchor
Gu length.
8. assembly concrete-filled steel tube column according to claim 1-isolated footing-concrete collar tie beam cross connection section
Point, it is characterised in that：The cross connecting node (7) is filled using concrete or grouting material；Packing material intensity is not low
The concrete strength in steel core concrete column (1), concrete collar tie beam (3), concrete isolated footing (5).
9. assembly concrete-filled steel tube column according to any one of claims 1 to 8-isolated footing-concrete collar tie beam cross
Shape connecting node, which is characterized in that its production method is as follows：
The first step：Prefabrication steel core concrete column, concrete collar tie beam and concrete isolated footing, spiral shell is processed on suspension column end plate
Suspension column end plate is welded on steel core concrete column column bottom, in concrete isolated footing end face pre-embedded bolt by keyhole；
Second step：Steel core concrete column, concrete collar tie beam and concrete isolated footing assembled in situ, the pre-buried spiral shell on isolated footing
Bolt passes through the prepared screw-bolt hole on suspension column end plate, and steel core concrete column and concrete isolated footing are bolted, then will be mixed
Solidifying pedosphere beam is overlapped on respectively on four sides of concrete isolated footing, is bound between the vertical muscle infall reinforcing bar of collar tie beam of each collar tie beam solid
It is fixed；
Third walks：Pouring for node concrete or grouting material is carried out, vibration compacting is carried out to packing material using the tool of vibrating, and
Smooth out surface conserves, and forms a kind of assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223399.8A CN108301562A (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 |
|---|---|---|---|
| CN201810223399.8A CN108301562A (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 |
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| CN108301562A true CN108301562A (en) | 2018-07-20 |
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| CN201810223399.8A Pending CN108301562A (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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235662A (en) * | 2018-09-12 | 2019-01-18 | 安徽省交通规划设计研究总院股份有限公司 | A kind of column board connecting equipment comprising multiple shear connector |
| CN111733863A (en) * | 2020-06-24 | 2020-10-02 | 江苏省宁强建设有限公司 | Tower crane foundation for foundation pit and construction method thereof |
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| JP2006037648A (en) * | 2004-07-29 | 2006-02-09 | Sekisui House Ltd | Structure for joining column and beam together |
| CN202706332U (en) * | 2012-08-31 | 2013-01-30 | 中国建筑第五工程局有限公司 | Steel reinforced concrete composite structure post bracket |
| CN103850350A (en) * | 2014-03-14 | 2014-06-11 | 南京工业大学 | Prefabricated, assembled and integrated type special-shaped column structure and jointing construction method thereof |
| CN106836268A (en) * | 2017-03-24 | 2017-06-13 | 北京恒通创新赛木科技股份有限公司 | Column foundation and foundation structure of building |
| CN107254884A (en) * | 2017-07-28 | 2017-10-17 | 湖南大学 | A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node |
| CN208363421U (en) * | 2018-03-19 | 2019-01-11 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
-
2018
- 2018-03-19 CN CN201810223399.8A patent/CN108301562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006037648A (en) * | 2004-07-29 | 2006-02-09 | Sekisui House Ltd | Structure for joining column and beam together |
| CN202706332U (en) * | 2012-08-31 | 2013-01-30 | 中国建筑第五工程局有限公司 | Steel reinforced concrete composite structure post bracket |
| CN103850350A (en) * | 2014-03-14 | 2014-06-11 | 南京工业大学 | Prefabricated, assembled and integrated type special-shaped column structure and jointing construction method thereof |
| CN106836268A (en) * | 2017-03-24 | 2017-06-13 | 北京恒通创新赛木科技股份有限公司 | Column foundation and foundation structure of building |
| CN107254884A (en) * | 2017-07-28 | 2017-10-17 | 湖南大学 | A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node |
| CN208363421U (en) * | 2018-03-19 | 2019-01-11 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam cross connecting node |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235662A (en) * | 2018-09-12 | 2019-01-18 | 安徽省交通规划设计研究总院股份有限公司 | A kind of column board connecting equipment comprising multiple shear connector |
| CN111733863A (en) * | 2020-06-24 | 2020-10-02 | 江苏省宁强建设有限公司 | Tower crane foundation for foundation pit and construction method thereof |
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