CN105863167A - Dismountable assembly type circular steel tube concrete column - Google Patents

Dismountable assembly type circular steel tube concrete column Download PDF

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Publication number
CN105863167A
CN105863167A CN201610368415.3A CN201610368415A CN105863167A CN 105863167 A CN105863167 A CN 105863167A CN 201610368415 A CN201610368415 A CN 201610368415A CN 105863167 A CN105863167 A CN 105863167A
Authority
CN
China
Prior art keywords
steel tube
circular steel
concrete
column
tube concrete
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
CN201610368415.3A
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Chinese (zh)
Inventor
霍静思
王海涛
刘艳芝
刘汉青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 CN201610368415.3A priority Critical patent/CN105863167A/en
Publication of CN105863167A publication Critical patent/CN105863167A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5825Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5837Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
    • E04B1/585Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; 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

Abstract

The invention provides a dismountable assembly type circular steel tube concrete column. The dismountable assembly type circular steel tube concrete column mainly comprises an upper circular steel tube concrete column, a lower circular steel tube concrete column, a column flange connecting piece, two semicircular steel plates with holes and a pulling-resistant connecting pair. Structural measures of the circular steel tube concrete columns and the column flange connecting piece are reasonably designed, the pulling-resistant connecting pair is adopted for splicing the circular steel tube concrete columns, then grouting is carried out from the reserved semicircular holes of the semicircular steel plates, and finally, the dismountable fabricated circular steel tube concrete column is formed. When the circular steel tube concrete columns are replaced, a bolt bar is dismounted, so that the circular steel tube concrete columns and the column flange connecting piece are taken down, and further removal and replacement of the circular steel tube concrete columns are realized. The dismountable assembly type circular steel tube concrete column has the advantages that all the components are connected in a field assembly manner, building industrialization assembling efficiency is improved, dismounting, separating and replacing functions of an assembly type combined structure column-column component are realized, and a novel energy-saving and environment-friendly architectural concept that a building component can be dismounted and altered is shown.

Description

A kind of detachable assembling type concrete-filled circular steel tube column
Technical field
The invention belongs to technical field of structural engineering, it is particularly applicable to many high-rise assembled steels-Combined concrete knot On-the-spot splicing field of operation between concrete-filled circular steel tube column and post in structure.
Background technology
In order to advance building industrialization, promulgate " prefabricated concrete structure technical regulation ", and assembling Formula xoncrete structure has obtained large-scale popularization in engineering practice, but this code does not the most well solve existing The many problems with concrete curing time length of field wet trade.Pass currently for assembled arthitecutral structure system The method for designing at bonded position lacks systematic research.On the other hand, traditional reinforced concrete structure by Serious, material and the shortcoming such as energy resource consumption is high, construction material recoverable rate is low in its environmental pollution, Do not meet the Architecture Policies of country-driven " be suitable for, economic, green, attractive in appearance ".In order to seek to send out Opening up novel mode of construction, country promotes building industrialization energetically and promotes assembled arthitecutral structure, pushing structure The standardization of component, improves versatility and the substitutability of structural elements.Steel-concrete combined structure is due to it Bearing capacity is high, rigidity big, ductility and anti-seismic performance good, and steel have environmental protection, material recovery profit Using rate advantages of higher, and the most domestic steel excess production capacity, cost reduces, be applied to multi-rise building, The Structural Engineering fields such as large-span structure, tall and slender structure, bridge structure and underground structure are with the obvious advantage.Meanwhile, Steel-concrete combined structure can preferably adapt to modern structure for " light-duty greatly across, prefabrication and assembly construction, rapid construction " Demand, it is easier to realize " being easy to tear down and reconstruct " and " recoverability " of structure, can meet infant industry makeup Join the relevant supporting requirement of formula building system.
Concrete filled steel tube is used widely in multi-rise building, but its core concrete typically uses Cast-in-place form of construction work.It is high that concrete-filled circular steel tube column has compression strength, and plastic property is good, and anti-seismic performance is excellent Different and lock ring effect is good, it is rated as a kind of high-quality, the high-strength and component of economical rationality.Therefore seek a kind of construction Speed is fast, the detachable assembling type concrete-filled circular steel tube column of construction material recoverable, has great skill Art economic benefit and social benefit.
In consideration of it, detachable assembling type circular steel tube concrete post is conducted in-depth research by inventor, then by This case produces.
Summary of the invention
For above the deficiencies in the prior art, the invention provides a kind of simple structure, anti-seismic performance Excellent, install convenient and efficient, be easy to tear down and reconstruct, energy-conserving and environment-protective, firm detachable assembling type round steel pipe attractive in appearance Concrete column and the joining method of post.
The present invention is achieved by the following technical solutions:
A kind of detachable assembling type concrete-filled circular steel tube column, mainly includes upper and lower concrete-filled circular steel tube column, post Flange connector, 2 semi-circular sheet steel with holes and resistance to plucking auxiliary connection, it is characterised in that resistance to plucking auxiliary connection is by spiral shell The curved muscle of tightening latch, pad, steel bushing and resistance to plucking forms.
The curved muscle of described resistance to plucking passes through welded and installed to steel bushing afterbody.
Steel bushing and the resistance to plucking curved muscle part of described resistance to plucking auxiliary connection are embedded in upper and lower concrete-filled circular steel tube column.
Described post flange connector circumferentially prepared screw-bolt hole on upper and lower two circular flange dishes, by anti- Pull out auxiliary connection and upper and lower concrete-filled circular steel tube column is spliced into one.
Described 2 semi-circular sheet steel with holes are by welded and installed to the ring flange of post flange connector;From Pouring into ungauged regions self-compacting high-strength concrete at the reserved semicircle orifice of semi-circular sheet steel, its strength grade is not less than Concrete grade in steel core concrete column.
The invention have the benefit that
Compared with prior art, the advantage of the present invention is embodied in:
1, the present invention uses detachable assembling type concrete-filled circular steel tube column, all components all to complete in factory process, Transport to behind job site, can assembly connection at the construction field (site), decrease Site Welding work and form work engineering, Ensure that site operation quality, improve building industrialization efficiency of assembling.
2, the present invention is by rationally setting the construction measure of concrete-filled circular steel tube column and post flange connector Meter, uses resistance to plucking auxiliary connection to splice between concrete-filled circular steel tube column and post, then from semi-circular sheet steel Preformed hole at be in the milk, the mortar poured into is ungauged regions self-compacting high-strength concrete, with resistance to plucking auxiliary connection formed Common stress after one entirety so that post-post connect the overall bending resistance of rear part and axial stiffness and bending resistance and Shear-carrying capacity is not less than splicing shaft.
3, post flange connector and resistance to plucking auxiliary connection it are connected by between concrete-filled circular steel tube column of the present invention and post, When building structural element occurs the concrete-filled circular steel tube column of a certain degree of destruction such as upside or downside to destroy, this Time can be pulled out the resistance to plucking bolt in auxiliary connection by dismounting so that upside or the concrete-filled circular steel tube column of downside and post Flange connector separates, and then realizes the dismounting of concrete-filled circular steel tube column, separates and change.That changes is impaired Concrete-filled circular steel tube column is recyclable, reinforcing, cycling and reutilization, embodies installation convenient and efficient, is easy to tear down and reconstruct Facade lighting with environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is overall structure schematic three dimensional views of the present invention;
Fig. 2 is the overall structure schematic three dimensional views of the unwelded semi-circular sheet steel with holes of the present invention;
Fig. 3 is the post flange connector three-dimensional of the present invention, overlooks and front elevational schematic;
Fig. 4 is the internal cross section front view of the present invention;
Fig. 5 is shear connections pair schematic diagram.
Label in figure: upper steel core concrete column 1;Lower steel core concrete column 2;Post flange connector 3;With holes half Circular steel plate 4;Semicircle orifice 5;Bolt hole 6;Resistance to plucking auxiliary connection 7;Shank of bolt 8;Pad 9;Steel bushing 10; The curved muscle of resistance to plucking 11.
Detailed description of the invention
The assembling construction step of above-mentioned concrete-filled circular steel tube column is as follows:
1, except needing at the preformed hole of semi-circular sheet steel of on-the-spot coupled columns and post connecting portion in addition to grouting, all groups Becoming component to be all prefabricated in the factory, on its center pillar flange connector 3, prepared screw-bolt hole size and spacing should expire Foot detailing requiments.The internal built-in steel sleeve 10 of upper and lower concrete-filled circular steel tube column 1 and 2 should be with post Flange joint Prepared screw-bolt hole 6 corresponding and supporting (shown in Fig. 3 and Fig. 4) on part 3;
2, post flange connector 3 is placed on lower concrete-filled circular steel tube column 2 and reserves that face of steel bushing 10 On so that prepared screw-bolt hole 6 and the hole aligning of steel bushing 10 on post flange connector 3, install 6 to spiral shell Tightening latch 8 and pad 9, complete lower concrete-filled circular steel tube column 2 and the splicing of post flange connector 3;Then to upper Concrete-filled circular steel tube column 1 repeats above-mentioned installation steps, completes upper and lower concrete-filled circular steel tube column and post flange connects Splicing (shown in Fig. 2 and Fig. 5) between fitting 3 three;
3, semi-circular sheet steel 4 upper and lower end parts with holes is welded on post flange connector 3 (shown in Fig. 1);
4, being in the milk at the reserved semicircle orifice 5 of wherein side on semi-circular sheet steel 4, the mortar poured into is for without receiving Contracting self-compacting high-strength concrete, the reserved semicircle orifice 5 of opposite side be used for discharging air (and if post suffer from fire Calamity effect, reserved semicircle orifice 5 can be used for discharging the steam in post inner concrete), eventually form detachable assembling Formula concrete-filled circular steel tube column (shown in Fig. 1);
If concrete-filled circular steel tube column 1 or 2 need to be carry out demolition and replacement by 5, first being welded on post Flange joint The electric welding of semi-circular sheet steel with holes 4 on part 3 is excised, and is then removed the mortar that pour into before, then Shank of bolt 8 is back-outed in steel bushing 10 successively so that concrete-filled circular steel tube column and post flange connector 3 are overall Separate.Then ship the components such as new concrete-filled circular steel tube column from factory, repeat 1~4 installation steps, Complete again assembled (shown in the Fig. 1~5) of concrete-filled circular steel tube column.
Above-described embodiment and diagram the product form of non-limiting patent of the present invention and style, any belonging to technology The those of ordinary skill in field is suitably changed what it did or modifies, and all should be regarded as without departing from patent of the present invention Patent category.

Claims (5)

1. a detachable assembling type concrete-filled circular steel tube column, mainly include upper and lower concrete-filled circular steel tube column, Post flange connector, 2 semi-circular sheet steel with holes and resistance to plucking auxiliary connection, it is characterised in that resistance to plucking auxiliary connection be by The curved muscle of shank of bolt, pad, steel bushing and resistance to plucking forms.
A kind of detachable assembling type concrete-filled circular steel tube column the most according to claim 1, it is characterised in that The curved muscle of described resistance to plucking passes through welded and installed to steel bushing afterbody.
A kind of detachable assembling type concrete-filled circular steel tube column the most according to claim 1, it is characterised in that Steel bushing and the resistance to plucking curved muscle part of described resistance to plucking auxiliary connection are embedded in upper and lower concrete-filled circular steel tube column.
A kind of detachable assembling type concrete-filled circular steel tube column the most according to claim 1, it is characterised in that Described post flange connector circumferentially prepared screw-bolt hole on upper and lower two circular flange dishes, by resistance to plucking even Connect the upper and lower concrete-filled circular steel tube column of adjutant and be spliced into one.
A kind of detachable assembling type concrete-filled circular steel tube column the most according to claim 1, it is characterised in that Described 2 semi-circular sheet steel with holes are by welded and installed to the ring flange of post flange connector;From semicircle Pouring into ungauged regions self-compacting high-strength concrete at the reserved semicircle orifice of shape steel plate, its strength grade is not less than steel pipe Concrete grade in concrete column.
CN201610368415.3A 2016-05-29 2016-05-29 Dismountable assembly type circular steel tube concrete column Pending CN105863167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610368415.3A CN105863167A (en) 2016-05-29 2016-05-29 Dismountable assembly type circular steel tube concrete column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610368415.3A CN105863167A (en) 2016-05-29 2016-05-29 Dismountable assembly type circular steel tube concrete column

Publications (1)

Publication Number Publication Date
CN105863167A true CN105863167A (en) 2016-08-17

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381926A (en) * 2016-10-28 2017-02-08 湖南大学 Detachable assembly type splicing node for reinforced concrete columns
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
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
CN108301561A (en) * 2018-01-02 2018-07-20 重庆大学 A kind of connection structure of assembly concrete-filled steel tube shaft
CN113266106A (en) * 2021-07-19 2021-08-17 中南大学 Novel assembled concrete support column

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367158A1 (en) * 1976-10-05 1978-05-05 Gram Sa COUPLING DEVICE FOR REINFORCED OR PRE-STRESSED CONCRETE ELEMENT
JPH02236332A (en) * 1989-03-09 1990-09-19 Shimizu Corp Construction method for centrifugally molded steel bar reinforced concrete
CN201722789U (en) * 2010-01-27 2011-01-26 江苏省电力设计院 Prestressed steel bar-pressed flat joint cement joint pedestal
CN203615001U (en) * 2013-12-12 2014-05-28 西安益翔航电科技有限公司 Novel structure for device leveling and mounting
CN103866761A (en) * 2014-03-21 2014-06-18 李全民 Mechanical connection pile head using repetitively used precast concrete pile as end plate and manufacturing method of mechanical connection pile head
EP2966236A1 (en) * 2014-07-07 2016-01-13 Fundacíon Tecnalia Research & Innovation Joining device for precast reinforced concrete columns with a dry joint
CN205777098U (en) * 2016-05-29 2016-12-07 湖南大学 A kind of detachable assembling type concrete-filled circular steel tube column

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367158A1 (en) * 1976-10-05 1978-05-05 Gram Sa COUPLING DEVICE FOR REINFORCED OR PRE-STRESSED CONCRETE ELEMENT
JPH02236332A (en) * 1989-03-09 1990-09-19 Shimizu Corp Construction method for centrifugally molded steel bar reinforced concrete
CN201722789U (en) * 2010-01-27 2011-01-26 江苏省电力设计院 Prestressed steel bar-pressed flat joint cement joint pedestal
CN203615001U (en) * 2013-12-12 2014-05-28 西安益翔航电科技有限公司 Novel structure for device leveling and mounting
CN103866761A (en) * 2014-03-21 2014-06-18 李全民 Mechanical connection pile head using repetitively used precast concrete pile as end plate and manufacturing method of mechanical connection pile head
EP2966236A1 (en) * 2014-07-07 2016-01-13 Fundacíon Tecnalia Research & Innovation Joining device for precast reinforced concrete columns with a dry joint
CN205777098U (en) * 2016-05-29 2016-12-07 湖南大学 A kind of detachable assembling type concrete-filled circular steel tube column

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381926A (en) * 2016-10-28 2017-02-08 湖南大学 Detachable assembly type splicing node for reinforced concrete columns
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
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
CN108301561A (en) * 2018-01-02 2018-07-20 重庆大学 A kind of connection structure of assembly concrete-filled steel tube shaft
CN113266106A (en) * 2021-07-19 2021-08-17 中南大学 Novel assembled concrete support column
CN113266106B (en) * 2021-07-19 2021-09-21 中南大学 Novel assembled concrete support column

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Application publication date: 20160817