CN105604247A - Steel-concrete combined T-shaped column - Google Patents
Steel-concrete combined T-shaped column Download PDFInfo
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- CN105604247A CN105604247A CN201510976593.XA CN201510976593A CN105604247A CN 105604247 A CN105604247 A CN 105604247A CN 201510976593 A CN201510976593 A CN 201510976593A CN 105604247 A CN105604247 A CN 105604247A
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- steel
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- column
- post
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to a steel-concrete combined T-shaped column which is a side column in a special-shaped frame structure. The steel-concrete combined T-shaped column is characterized in that a vertical square steel tube (4) is arranged in the central area, vertical T-shaped section steel (1, 2 and 3) is arranged in three column legs, flanges of the T-shaped section steel (1,2 and 3) are located at the outer parts of the column legs, holes allowing coarse aggregate of concrete to pass through are formed in flange steel plates on two sides of each piece of T-shaped section steel (1,2 and 3), a web plate and steel tube walls on four sides of the square steel tube (4) at a certain interval, and the pouring compactness of concrete is guaranteed. With the adoption of the steel arrangement mode of the steel-concrete combined T-shaped column, the special-shaped column structure can be popularized and used in high-rise buildings and buildings in areas with high seismic fortification intensity.
Description
Technical field
The invention belongs to steel-concrete combined structure technical field, relate to a kind of steel-concrete combination T shape post.
Background technology
The corner angle of the outstanding metope of frame column make post limb thickness equate with infilled wall, and the high length depth ratio of the limb of the each limb in cross section is not more than 4 post, are called abnormityPost, comprises L shaped, T shape, cross and Z-shaped etc. Adopt frame structure and the frame shear wall structure of Special-Shaped Column to be called Structure System with Special-shaped Column.Compared with traditional structural system, the infilled wall uniform thickness in Structure System with Special-shaped Column post limb and room, indoor do not have post rib to protrude, and can avoid room dressRepair with furniture and arrange the inconvenience bringing, beautiful and applicable, layout is flexible, in residential structure, is widely used. Structure System with Special-shaped Column can utilizeThe materials for wall of insulation, light energy conservation replaces traditional clay brick, meets the call of nation-building resource-conserving friendly environment society. ButAlong with the increase of structure level number, load strengthens, and common armored concrete (RC) Special-Shaped Column, owing to limited by the elongated uiform section of its post limb, exists axleThe problems such as pressure ratio limit value is low, bearing capacity is low, ductility is poor, poor seismic behavior, have affected it at skyscraper and compared with high seismic fortification intensity areaPromotion and application, be mainly applicable to that multilayer or small sized multiple story building and fortification intensity 7 are spent and the building in the 7 following areas of degree in.
In order to improve bearing capacity and the anti-seismic performance of Special-Shaped Column, in concrete, configure shaped steel, and be furnished with appropriate longitudinal reinforcement and stirrup, thenCast concrete forms steel reinforced concrete (SRC) Special-Shaped Column. SRC Special-Shaped Column can not only keep the outstanding advantages of RC special-shaped column structure, Er QienengIncrease substantially limit value of axial compression ratio and the bearing capacity of structure, improve ductility and the anti-seismic performance of total, be specially adapted to high-rise and high earthquake intensity groundIn the building of shake fortified defence area. Compared with steel construction, SRC Special-Shaped Column is wrapped in shaped steel in concrete, and concrete can effectively stop shaped steel to produceWarpage also prevents shaped steel corrosion, improves durability and the fire resistance of structure.
According to national sector standard " reinforced concrete composite structure technical regulation " regulation (JGJ138-2001), in steel reinforced concrete frame postShaped steel, should adopt and be full of the real abdomen shaped steel of type. But in T section Special-Shaped Column, configure real abdomen shaped steel, be parallel to the edge of a wing and web direction stirrup andThe Reinforcement of beam column node core area beam can be because of the stopping of real abdomen formula shaped steel in post, need on shaped steel, punch through or welding, construction is complicatedAnd difficulty is larger.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art, provide that a kind of bearing capacity is high, ductility good, anti-seismic performance is good and the steel of easy construction-Combined concrete T shape post join steel form, special-shaped column structure can be pushed away in the building in skyscraper and high seismic fortification intensity areaWide application.
The technical solution used in the present invention is:
A kind of steel-concrete combination T shape post, for the side column in Framed Structure with Special-Shaped Columns, is characterized in that, disposes vertical square steel tube at core space(4), all dispose vertical tee bar (1-3) in three post limbs, the edge of a wing of tee bar (1-3) is positioned at the outer position of post limb, T shapeIn two side wing edge steel plates, web and square steel tube (4) the four side steel pipe walls of shaped steel (1-3), being provided with across a certain distance mutually can be through concrete thickThe hole of aggregate, the density of guarantee concreting;
As preferred embodiment, all dispose Reinforcement (5-7) in the outside, the edge of a wing of each tee bar (1-3), in square steel tube (4)The outside in four bights all disposes Reinforcement (8); Be close to Reinforcement exocuticle along post limb limb length direction at a certain distanceConfiguration post limb stirrup (9,10), makes the concrete of Special-Shaped Column within the scope of stressed rear stirrup in triaxial stress state, between enhancement mode Steel concreteAggregate interlocking force, cohesive force is between the two improved.
Technique effect of the present invention is as follows:
1. the present invention has overcome that common RC Special-Shaped Column limit value of axial compression ratio is low, ductility is poor, and the technical problem that anti-seismic performance is weak, by rational layout typeSteel, has improved bearing capacity and the ductility of member, has improved the anti-seismic performance of member, makes the Special-Shaped Column can be strong at skyscraper and high earthquake protectionSpend in regional building and applied, particularly the skyscraper in the seismic fortification intensity 8 above areas of degree.
The core space of 2.T shape post, is positioned at the position, turning in cross section, and T shape post is in the stressed complexity in this position. Compared with prior art, the present invention is at TShape post core space setting party steel pipe, can make the restrained condition of its inner concrete in three dimension stress, limits concrete transversely deforming, improves TThe compression strength of shape post, ductile performance be improved significantly, make T shape post there is superior anti-seismic performance.
3. the present invention can solve the inconvenience that is parallel to the edge of a wing and the colligation of web direction stirrup, is convenient to steel bar stress in the beam of beam column node core area simultaneouslyPass, avoid welding or punching, easy construction.
4. the present invention punches on tee bar and square steel tube, has increased shaped steel and concrete bonding, has effectively improved shaped steel and concrete mutualEffect, has guaranteed that concrete and shaped steel can collaborative works, jointly stressed, really reaches the object that Steel concrete combines.
Brief description of the drawings
Fig. 1 steel-concrete combination of the present invention T shape column section schematic diagram;
One of Fig. 2 steel-concrete combination of the present invention T shape post schematic three dimensional views;
Two of Fig. 3 steel-concrete combination of the present invention T shape post schematic three dimensional views.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the present invention is further described.
The present invention is for the side column in Framed Structure with Special-Shaped Columns provides a kind of steel-concrete combination T shape post, comprise T shape concrete column, tee bar,Square steel tube, vertical muscle, stirrup configure tee bar, square steel tube, vertical muscle and stirrup in described T shape post.
According to actual requirement of engineering, produce needed tee bar 1,2,3 and square steel tube 4 in specialized Gang Gou company in advance, by corresponding ruleThe Plate Welding of lattice combines. For reinforced steel and concrete bonding, in symmetric position, web and the side of tee bar two side wing edge steel platesThe symmetric position of steel pipe four side steel pipe walls is punching across a certain distance mutually, makes it be longitudinal arrangement, and the shape in hole can be circle or polygon, concreteCoarse aggregate want can see through easily aperture, to ensure the density of later stage concreting. After completing, shaped steel is transported to job site, by surveyingVertical tee bar 1,2,3 is installed respectively in amount location in the each post limb of T shape post, at T shape post core space, vertical square steel tube 4 is installed. All shaped steel1,2,3,4 all anchor to basic top, and be welded with end plate increase anchoring, avoid shaped steel to be pulled out generation fastening destruction.
As shown in Figure 1, Figure 2 and Figure 3, join Reinforcement 5 in the outside, the edge of a wing of tee bar 1, join in the outside, the edge of a wing of tee bar 2Reinforcement 6, joins Reinforcement 7 in the outside, the edge of a wing of tee bar 3, joins longitudinal stress steel in the outside in 4 four bights of square steel tubeMuscle 8, is close to Reinforcement exocuticle and is parallel to respectively the edge of a wing of T shape post and web direction configuration lateral tie 9,10, stirrup should with vertical muscleVertically, make the concrete of Special-Shaped Column within the scope of stressed rear stirrup in triaxial stress state, strengthen the aggregate interlocking force between concrete and shaped steel, makeCohesive force between the two improves.
Installation form, shuttering supporting must be firm, guarantees geometry, intensity, rigidity and stability; Formwork edge joint must be tight, ensures coagulationSoil is built and while vibrating, be there will not be spillage phenomenon; After formwork completes, again check that whether Template Location size is accurate, fixing whether firm.
Cast concrete, in casting process, should note vibrating time, spacing and insertion depth, and vibrator is inserted point and is quincunx evenly distributed, adoptsThe order of determinant moves, and the distance of shift position should be not more than 40CM, ensures not leak and shake, and Bu Guozhen, ensures concrete density and designIntensity. Dismounting column template after maintenance completes, forms steel-concrete combination T shape post.
Claims (2)
1. a steel-concrete combination T shape post, for the side column in Framed Structure with Special-Shaped Columns, it is characterized in that, dispose vertical square steel tube (4) at core space, in three post limbs, all dispose vertical tee bar (1-3), the edge of a wing of tee bar (1-3) is positioned at the outer position of post limb, in two side wing edge steel plates, web and square steel tube (4) the four side steel pipe walls of tee bar (1-3), be provided with across a certain distance mutually the hole that can see through concrete coarse aggregate, ensure the density of concreting.
2. T shape post according to claim 1, it is characterized in that, outside, the edge of a wing at each tee bar (1-3) all disposes Reinforcement (5-7), all disposes Reinforcement (8) in the outside in (4) four bights of square steel tube; Be close to Reinforcement exocuticle and configuring at a certain distance post limb stirrup (9 along post limb limb length direction, 10), make the concrete of Special-Shaped Column within the scope of stressed rear stirrup in triaxial stress state, aggregate interlocking force between enhancement mode Steel concrete, improves cohesive force between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976593.XA CN105604247A (en) | 2015-12-21 | 2015-12-21 | Steel-concrete combined T-shaped column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976593.XA CN105604247A (en) | 2015-12-21 | 2015-12-21 | Steel-concrete combined T-shaped column |
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| Publication Number | Publication Date |
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| CN105604247A true CN105604247A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510976593.XA Pending CN105604247A (en) | 2015-12-21 | 2015-12-21 | Steel-concrete combined T-shaped column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635421A (en) * | 2021-07-28 | 2021-11-12 | 浙江中南建设集团钢结构有限公司 | Pouring forming method for anti-corrosion and fireproof integrated prefabricated steel special-shaped combined component |
Citations (7)
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| JP2005351078A (en) * | 2005-08-01 | 2005-12-22 | Maeda Corp | Construction method of steel frame reinforced concrete column |
| CN101748859A (en) * | 2008-11-28 | 2010-06-23 | 沈阳建筑大学 | Steel-reinforced concrete core column and manufacturing method thereof |
| KR20100127902A (en) * | 2009-05-27 | 2010-12-07 | 주식회사 한구조엔지니어링 | Concrete filled tubular column |
| CN203487707U (en) * | 2013-09-16 | 2014-03-19 | 南京工业大学 | Cross-shaped section steel rib concrete special-shaped column with quadrilateral holes in steel rib web |
| CN104100042A (en) * | 2014-06-17 | 2014-10-15 | 沈阳建筑大学 | Steel skeleton-steel pipe fiber concrete T-shaped section composite column |
| CN105064612A (en) * | 2015-08-27 | 2015-11-18 | 中冶建筑研究总院有限公司 | Steel-concrete combined special-shaped column with thermal insulating and load bearing integrated and preparation method thereof |
| CN105133792A (en) * | 2015-08-28 | 2015-12-09 | 河海大学 | Steel reinforced concrete cross-shaped column with honeycomb-type web and construction method thereof |
-
2015
- 2015-12-21 CN CN201510976593.XA patent/CN105604247A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005351078A (en) * | 2005-08-01 | 2005-12-22 | Maeda Corp | Construction method of steel frame reinforced concrete column |
| CN101748859A (en) * | 2008-11-28 | 2010-06-23 | 沈阳建筑大学 | Steel-reinforced concrete core column and manufacturing method thereof |
| KR20100127902A (en) * | 2009-05-27 | 2010-12-07 | 주식회사 한구조엔지니어링 | Concrete filled tubular column |
| CN203487707U (en) * | 2013-09-16 | 2014-03-19 | 南京工业大学 | Cross-shaped section steel rib concrete special-shaped column with quadrilateral holes in steel rib web |
| CN104100042A (en) * | 2014-06-17 | 2014-10-15 | 沈阳建筑大学 | Steel skeleton-steel pipe fiber concrete T-shaped section composite column |
| CN105064612A (en) * | 2015-08-27 | 2015-11-18 | 中冶建筑研究总院有限公司 | Steel-concrete combined special-shaped column with thermal insulating and load bearing integrated and preparation method thereof |
| CN105133792A (en) * | 2015-08-28 | 2015-12-09 | 河海大学 | Steel reinforced concrete cross-shaped column with honeycomb-type web and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635421A (en) * | 2021-07-28 | 2021-11-12 | 浙江中南建设集团钢结构有限公司 | Pouring forming method for anti-corrosion and fireproof integrated prefabricated steel special-shaped combined component |
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