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 PDF

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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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CN
China
Prior art keywords
steel
concrete
screw rod
square tubular
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710628066.9A
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Chinese (zh)
Inventor
刘艳芝
康黎静
李智
崔鹏飞
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Hunan University
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Hunan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan University filed Critical Hunan University
Priority to CN201710628066.9A priority Critical patent/CN107254884A/en
Publication of CN107254884A publication Critical patent/CN107254884A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • E04B1/4157Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • E04B1/4157Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
    • E04B1/4164Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head with an adjustment sleeve

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

A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node
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).
CN201710628066.9A 2017-07-28 2017-07-28 A kind of detachable prefabricated assembled concrete-filled steel square tubular column pin node Pending CN107254884A (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
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
CN108487456A (en) * 2018-03-09 2018-09-04 中国建筑股份有限公司 A kind of not damaged prefabricated assembled frame structure system and its construction method of consuming energy
CN108487459A (en) * 2018-03-09 2018-09-04 中国建筑股份有限公司 A kind of not damaged adjustable rigidity precast frame column foot connecting structure and its construction method
CN109610649A (en) * 2018-12-12 2019-04-12 中国十七冶集团有限公司 A kind of prefabricated lines installation method of fabricated construction PC component exterior wall
CN110670230A (en) * 2019-09-27 2020-01-10 海宁和兴源纺织有限公司 Leg assembly in warp knitting machine
CN110863566A (en) * 2019-11-21 2020-03-06 中国十七冶集团有限公司 Stable in structure and install swift assembly type structure
CN111945884A (en) * 2020-08-28 2020-11-17 李三红 Steel structure upright post assembly capable of improving connection strength
CN113266077A (en) * 2021-05-11 2021-08-17 中交第一航务工程局有限公司 Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108487456A (en) * 2018-03-09 2018-09-04 中国建筑股份有限公司 A kind of not damaged prefabricated assembled frame structure system and its construction method of consuming energy
CN108487459A (en) * 2018-03-09 2018-09-04 中国建筑股份有限公司 A kind of not damaged adjustable rigidity precast frame column foot connecting structure and its construction method
CN108487459B (en) * 2018-03-09 2020-04-28 中国建筑股份有限公司 Nondestructive rigidity-adjustable prefabricated frame column base connecting structure and construction method thereof
CN109610649A (en) * 2018-12-12 2019-04-12 中国十七冶集团有限公司 A kind of prefabricated lines installation method of fabricated construction PC component exterior wall
CN110670230A (en) * 2019-09-27 2020-01-10 海宁和兴源纺织有限公司 Leg assembly in warp knitting machine
CN110863566A (en) * 2019-11-21 2020-03-06 中国十七冶集团有限公司 Stable in structure and install swift assembly type structure
CN111945884A (en) * 2020-08-28 2020-11-17 李三红 Steel structure upright post assembly capable of improving connection strength
CN113266077A (en) * 2021-05-11 2021-08-17 中交第一航务工程局有限公司 Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage

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