CN107254884A - A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node - Google Patents
A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node Download PDFInfo
- Publication number
- CN107254884A CN107254884A CN201710628066.9A CN201710628066A CN107254884A CN 107254884 A CN107254884 A CN 107254884A CN 201710628066 A CN201710628066 A CN 201710628066A CN 107254884 A CN107254884 A CN 107254884A
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- Prior art keywords
- steel
- concrete
- screw rod
- square tubular
- screw
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 239000004567 concrete Substances 0.000 title claims abstract description 50
- 238000004080 punching Methods 0.000 claims abstract description 18
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 16
- 238000010008 shearing Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000012946 outsourcing Methods 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims description 11
- 238000005056 compaction Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 210000003108 foot joint Anatomy 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 2
- 238000009415 formwork Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 239000000725 suspension Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
- E04B1/4164—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head with an adjustment sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node, including steel core concrete column and reinforced concrete foundation, connecting bottom board is welded again in wherein concrete-filled steel square tubular column end, high-strength bolt is welded with the inside of bottom plate, it is connected as shearing-resistant member with basic pre-buried corrugated bushing, while welding screw rod outsourcing plastic sheeting.Steel pipe plate outer side reserves screw, is connected for splicing crab-bolt with bottom plate.Connecting screw rod is reserved into screw by end plate during assembling and is screwed into punching internal thread steel sleeve upper end, the splicing between steel core concrete column and basis is realized.When steel core concrete column is dismantled and is changed, screw rod is back-outed, shear key takes out, removes high-strength castable in corrugated bushing, you can.All components that the present invention is used are connected using assembled in situ, are reduced Site Welding work and form work engineering, are improved building industrialization efficiency of assembling, embody building element energy-conserving and environment-protective, dismountable novel building theory.
Description
Technical field
The invention belongs to engineering structure technical field, it is particularly applicable in middle-high building structure concrete-filled steel square tubular column with
Splicing field of operation in scene between basis.
Background technology
China's construction is main based on site operation, and this traditional mode of production industrialization degree is not high, design
Build that more extensive, building products quality is unstable, construction efficiency is low, amount of labour demanded is big, spillage of material and building waste
Amount is big, resource and energy resource consumption are larger, it is impossible to meet the Sustainable Development Construction requirement of energy-conserving and environment-protective.With China's " building work
The quickening of industry, housing industrialization " process, the trend of housing industry industrialization is increasingly obvious, and architecture production mode is carried out
A revolution, i.e., gradually expands the construction of novel fabricated building, the application of novel fabricated reinforced concrete structure is again
As one of current research focus.
Steel core concrete column has following basic characteristics：Concrete filled steel tube, can as a kind of new composite structure
The features such as effectively playing the advantages of two kinds of materials of steel and concrete, easy construction, be easy to assembling, just by more and more
Applied in the key project construction of China, the group frame that especially steel core concrete column is constituted has been largely used to high-rise and super
In high building structure, significant technical economic benefit and social benefit are obtained.In consideration of it, inventor is to dismountable assembled
Steel core concrete column has made intensive studies, and is produced then by this case.
The content of the invention
The invention provides a kind of simple structure, energy-conserving and environment-protective, install convenient it is efficient, easy to disassemble, it is attractive in appearance it is firm can
The assembly concrete-filled steel tube foot joint of dismounting.
The present invention is achieved by the following technical solutions：
Include basis and Prefabricated concrete-filled steel tube post, the main structure of structural system the invention provides one kind combination suspension column
Part includes steel core concrete column, high-strength bolt, styletable plate, plastic sheeting, reserved screw, pre-buried corrugated bushing, punching internal thread
Steel bushing, upper end connecting screw rod, lower end screw rod, steel anchor slab, nut, reinforcing bar.
Dismountable assembly concrete-filled steel tube suspension column splicing node, is poured into a mould in the pre-buried corrugated bushing in basis
Self-compaction cement base, the shearing-resistant member insertion of concrete filled steel tube column end is cast with the corrugated bushing of self-compaction cement base, its
It is secondary that connecting screw rod is screwed into punching internal and external threads steel sleeve upper end by the reserved screw of end plate, constitute crab-bolt.When need dismantle steel
When pipe concrete column and basis, screw rod is back-outed, shear key takes out, remove the self-compaction cement base in corrugated bushing, you can will
Steel core concrete column is dismantled and changed.
The shearing-resistant member is the high-strength bolt composition of welding on the inside of steel pipe bottom plate, is used as shearing-resistant member and basic pre-buried radiation fins
Pipe is connected, while screw rod outsourcing plastic sheeting is welded, to reduce screw rod with pouring the viscous of self-compaction cement base in corrugated bushing
Power is tied, so as to constitute shear connector.Make it be only used for resisting the shearing of node, it is easy to disassemble and repair.
The crab-bolt mainly includes lower end pre embedded bolt, punching internal thread steel bushing and upper end connecting screw rod, wherein lower end
Screw rod carries steel anchor slab and nut, is screwed into the special screw component of punching internal thread steel sleeve composition and is embedded in advance in basis, during assembling
Connecting screw rod is then reserved into screw by end plate and is screwed into punching internal thread steel sleeve upper end, crab-bolt is spliced into, for resisting node
Moment of flexure, it is easy to disassemble and change.
So far, technical solution of the present invention specifically, provide it is a kind of can quick assembly and disassembly assembly concrete-filled steel tube
Suspension column splices node.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is using steel core concrete column and the splicing on basis, and all components are completed in factory process, and transport is extremely
Behind construction site, can assembly connection at the construction field (site), reduce Site Welding work and shuttering work, it is ensured that site operation matter
Amount, improves building industrialization efficiency of assembling.
2nd, clearly, shear key is only used for resistance node shearing to the power transmission of present invention research and development foot joint, and crab-bolt is then only used for
The moment of flexure of node is resisted, and it is detachable.
3rd, the post is connected easy to disassemble with basis, when needing to remove and changing pillar, screw rod is back-outed, shear key takes
Go out, you can steel core concrete column is dismantled and changed.
Brief description of the drawings
Fig. 1 splices overall diagram for the suspension column of the present invention；
Fig. 2 is Prefabricated concrete-filled steel tube post of the invention；
Fig. 3 is crab-bolt of the invention；
Fig. 4 is shear connector of the invention；
Fig. 5 is Prefabricated concrete-filled steel tube styletable plate of the invention；
Fig. 6 is precast reinforced concrete plinth of the invention.
In figure：
1- steel core concrete columns, 2- styletable plates, 3- high-strength bolts,
4- plastic sheetings, 5- reserves screw, the pre-buried corrugated bushings of 6-,
7- punching internal thread steel bushings, 8- upper ends connecting screw rod, 9- steel anchor slabs,
10- lower ends screw rod 11- nuts, 12- precast reinforced concrete plinth.
13- reinforcing bars.
Embodiment
The present invention is described in further details below in conjunction with accompanying drawing and specific installation method.Structural system main member bag
Include steel core concrete column 1, high-strength bolt 2, styletable plate 3, plastic sheeting 4, reserved screw 5, pre-buried corrugated bushing 6, spiral shell in punching
Line steel bushing 7, upper end connecting screw rod 8, steel anchor slab 9, lower end screw rod 10, nut 11, precast reinforced concrete plinth 12, the present invention
The sequence of construction of structure the following is：
1st, except needing scene to pour self-compaction cement base to basic pre-buried corrugated bushing, all composition components are pre- in factory
System is completed, for the configuration reinforcement of column cross-section size and thickness of steel pipe, styletable plate, crab-bolt quantity and spacing and concrete foundation
Detailing requiments should be met.The end of concrete-filled steel square tubular column 1 is welded with styletable plate 3, and the inner side of styletable plate 3 is then welded with high-strength bolt 2, together
When welding screw rod outsourcing plastic sheeting 4, screw 5 is reserved in outside.Lower end screw rod 10 carries steel anchor slab 9 and nut 11, is screwed into punching
Internal thread steel sleeve 7 constitutes special screw component and is embedded in advance 12 in reinforced concrete foundation with pre-buried corrugated bushing 6.Wherein reinforcing bar
Concrete foundation, to avoid concrete pressure-bearing from damaging, this invention is taken reinforced concrete foundation confined concrete or added
Strong reinforcing bar 13 improves bearing capacity.Secondly it is to avoid coagulation around the cleavage fracture and steel anchor slab on anti-drawing element surrounding concrete basis
The punching shear failure of soil, this invention sets stiffener 13 around anti-drawing element and around steel anchor slab；
2nd, steel core concrete column 1 is first lifted into correct position, treats the high-strength spiral shell of the inner side of styletable plate 3 outsourcing plastic sheeting
After the insertion of bar 2 is poured in self-compaction cement base corrugated bushing, connecting screw rod 8 is reserved into screw 5 by end plate with pad and nut
Punching internal thread steel sleeve upper end 7 is screwed into, crab-bolt is spliced into；(Fig. 2 and Fig. 3 shown in)
, can be by back-outing connection spiral shell if the 3, need to be torn down and reconstructed to Prefabricated concrete-filled steel tube post 1 and reinforced concrete foundation 12
Bar 8, self-compaction cement base in corrugated bushing is pounded so that armored concrete upper prop 2 and the steel core concrete column 1 of lower prop 3 and steel
Reinforced concrete basis 12 is separated.Repeat 1~2 installation steps, you can complete the assembled again of steel core concrete column.
The product form and style of above-described embodiment and diagram and non-limiting patent of the present invention, any art
Appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from the patent category of patent of the present invention.
The invention belongs to engineering structure technical field, armored concrete in many high-rise assembled arthitecutral structures it is particularly applicable to
Splicing field of operation in scene between post and post.
Claims (6)
1. a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node, the foot joint, which mainly includes prefabricated steel pipe, to be mixed
Solidifying earth pillar (1) and precast reinforced concrete plinth (12).It is characterized in that：The Prefabricated concrete-filled steel tube post is main by high-strength spiral shell
Bar (2), styletable plate (3), plastic sheeting (4), reserved screw (5) composition；The precast reinforced concrete plinth includes pre-buried ripple
Line sleeve pipe (6), punching internal thread steel bushing (7), steel anchor slab (9), lower end screw rod (10), nut (11), reinforcing bar (13) composition.
2. a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node according to claim 1, it is characterised in that：
Cast self-compaction cement base in the pre-buried corrugated bushing (6) in basis, the shearing-resistant member insertion of concrete filled steel tube column end has been poured
In the corrugated bushing of self-compaction cement base, upper end connecting screw rod (8) is secondly reserved into screw (5) by end plate and is screwed into inside and outside punching
Screw-thread steel sleeve pipe (7) upper end, constitutes crab-bolt., will when needing dismounting steel core concrete column (1) and reinforced concrete foundation (13)
Upper end connecting screw rod (8) is back-outed, and shear key takes out, and removes the self-compaction cement base in corrugated bushing (6), you can by steel tube concrete
Earth pillar (1) is dismantled and changed.
3. a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node according to claim 1, it is characterised in that：
The reinforced concrete foundation sets stiffener (13) around anti-drawing element and around steel anchor slab.
4. a kind of assembled concrete-filled steel square tubular column pin node according to claim 1, it is characterised in that：The shearing-resistant member
For the high-strength bolt (2) of welding on the inside of steel pipe bottom plate, it is connected as shearing-resistant member with basic pre-buried corrugated bushing (6), welds simultaneously
Screw rod outsourcing plastic sheeting (4), so as to the bonding for reducing high-strength bolt (2) with self-compaction cement base being poured in corrugated bushing (6)
Power, so as to constitute shear connector.Make it be only used for resisting the shearing of node, it is easy to disassemble.
5. a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node according to claim 1, it is characterised in that
Steel pipe plate outer side reserves screw (5), is connected for splicing crab-bolt with reinforced concrete foundation (12).Wherein, styletable plate is pre-
Stay screw (5) corresponding with punching internal thread steel bushing (7), to ensure that upper end connecting screw rod is smoothly screwed into punching internal thread
In steel bushing.
6. a kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node according to claim 1, it is characterised in that：
The splicing crab-bolt includes lower end pre embedded bolt (10), punching internal thread steel bushing (7) and upper end connecting screw rod (8), wherein under
Hold screw rod (10) to carry steel anchor slab (9) and nut (11), be screwed into the special screw component of punching internal thread steel sleeve (7) composition pre-buried
Upper end connecting screw rod (8) then is reserved into screw (5) by end plate in reinforced concrete foundation (12), during assembling to be screwed into punching
Screw-thread steel sleeve pipe (7) upper end, realizes the splicing between steel core concrete column (1) and reinforced concrete foundation (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628066.9A CN107254884A (en) | 2017-07-28 | 2017-07-28 | A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628066.9A CN107254884A (en) | 2017-07-28 | 2017-07-28 | A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107254884A true CN107254884A (en) | 2017-10-17 |
Family
ID=60026157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628066.9A Pending CN107254884A (en) | 2017-07-28 | 2017-07-28 | A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node |
Country Status (1)
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| CN (1) | CN107254884A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005101A (en) * | 2017-12-29 | 2018-05-08 | 广东省建筑科学研究院集团股份有限公司 | Assembled vertical member and the ductility connecting structure and construction method on basis |
| CN108049501A (en) * | 2018-01-19 | 2018-05-18 | 华侨大学 | Prefabricated assembled concrete-filled steel square tubular column foot node and construction method can be repaired |
| CN108060718A (en) * | 2017-12-12 | 2018-05-22 | 湘潭大学 | A kind of detachable assembling type column and basic ductility joint connection mode |
| CN108086592A (en) * | 2018-01-05 | 2018-05-29 | 上海欧本钢结构有限公司 | A kind of detached column and construction method |
| CN108104265A (en) * | 2017-12-26 | 2018-06-01 | 赵宏 | A kind of building frame for exempting to weld prestressed girder using assembled |
| CN108222284A (en) * | 2018-03-19 | 2018-06-29 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam linear type connecting node |
| CN108265823A (en) * | 2018-03-19 | 2018-07-10 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam L-shaped connecting node |
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| CN109372007A (en) * | 2018-11-28 | 2019-02-22 | 长江三峡集团福建能源投资有限公司 | A kind of Oversea wind unit installation anchor bolt cage sealing anchor bolt and its construction method |
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| CN110284732A (en) * | 2019-06-13 | 2019-09-27 | 中国矿业大学 | A kind of modular containers building connecting node |
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Cited By (26)
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|---|---|---|---|---|
| CN108060718A (en) * | 2017-12-12 | 2018-05-22 | 湘潭大学 | A kind of detachable assembling type column and basic ductility joint connection mode |
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Application publication date: 20171017 |