CN103603434A - Transitional junction from concrete-filled steel tube combination column to reinforced concrete column - Google Patents
Transitional junction from concrete-filled steel tube combination column to reinforced concrete column Download PDFInfo
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- CN103603434A CN103603434A CN201310606351.2A CN201310606351A CN103603434A CN 103603434 A CN103603434 A CN 103603434A CN 201310606351 A CN201310606351 A CN 201310606351A CN 103603434 A CN103603434 A CN 103603434A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 239000004567 concrete Substances 0.000 title claims abstract description 71
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 52
- 210000003205 muscle Anatomy 0.000 claims description 43
- 238000009408 flooring Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000009365 direct transmission Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a transitional junction from a concrete-filled steel tube combination column to a reinforced concrete column. The column section at the transitional layer where the transitional junction locates comprises the concrete column, a steel tube, external longitudinal bars, external stirrups, core longitudinal bars and core stirrups. The concrete-filled steel tube combination column is formed by arranging the steel tube in the middle of the concrete column. The section of the concrete-filled steel tube combination column is rectangular, and the section of the steel tube is circular. The external longitudinal bars and the external stirrups are arranged in the concrete column outside the steel tube, and the inside and the outside of the steel tube are poured with concrete simultaneously. The transitional layer of weakness is avoided, feasibility and convenience in construction are taken into consideration sufficiently, and a novel junction form with the advantages of direct transmission and construction easiness is provided for transition from the concrete-filled steel tube combination column to the reinforced concrete column. In addition, the transitional junction is applicable to high-rise and ultra-high-rise buildings and has broad application range and space.
Description
Technical field
The present invention relates to a kind of for transition node high-rise, super highrise building different cross section form frame column, be particularly related to a kind of concrete filled steel tube coupled column to the node of concrete column transition, belong to innovative technology high-rise, super highrise building frame column transition node.
Background technology
At present, in high level, super highrise building, the cross section type selecting of frame column is had compared with more options, concrete filled steel tube coupled column is applied at Practical Project in recent years in a big way as a kind of novel column section type, when concrete filled steel tube coupled column is when bottom floor extends up to certain story height, from the viewpoint of economy and feasibility, do not increasing under the prerequisite of column cross-section size, can change column section type into reinforced concrete post, face thus at transition zone how to choose the reasonable transition node problem that concrete filled steel tube coupled column is converted into reinforced concrete post.If steel pipe rises to a certain floor in post, through checking of bearing capacity, also in the time of meeting vertical bearing capacity and require with the concrete column of this layer of concrete filled steel tube coupled column same cross-sectional, if only block steel pipe at floor position, column section type is converted into concrete column, may there is this floor rigidity and bearing capacity sudden change, may form weak floor, unfavorable to Antiseismic building.All there is to some extent reinforcing bar binding and location difficulty, the uncompacted shortcoming of casting and compacting of concrete in existing common transition node.
Summary of the invention
The object of the invention is to for high-rise, super highrise building frame column in, bottom floor adopts concrete filled steel tube coupled column, and upper floor adopts reinforced concrete post, design a kind of rational transition node, avoid rigidity and bearing capacity sudden change, constructability, guarantees that the concrete filled steel tube coupled column of workmanship is to the transition node of reinforced concrete post again.
Technical scheme of the present invention is: the present invention is that concrete filled steel tube coupled column is to the transition node of reinforced concrete post, in the transition zone column section at transition node place, include concrete column, steel pipe, outside vertical muscle, outside stirrup, the vertical muscle of stem stem and stem stem stirrup, concrete filled steel tube coupled column is for arranging steel pipe at concrete column middle part, the section form of concrete filled steel tube coupled column is rectangle, the section form of steel pipe is circular, outside vertical muscle and outside stirrup are set in the concrete column in its outside, and the inside and outside concrete of steel pipe is all built simultaneously.
Described transition zone refers to column section type and is converted into reinforced concrete post place floor and an adjacent upper floor by concrete filled steel tube coupled column.
After the medium position that steel pipe in described transition zone concrete column extends up to This floor height from flooring position blocks, above altitude range no longer arranges steel pipe.
Described stem stem is comprised of the vertical muscle of stem stem and stem stem stirrup, and the section form of stem stem is rectangle, and in steel pipe altitude range, the vertical muscle of stem stem arranges continuously along border outside steel pipe, and the location of the vertical muscle of stem stem is and the vertical two-way setting of all aliging of muscle in outside.
Described outside stirrup in transition zone steel tube place in altitude range, equidistant along short transverse, and along steel pipe except border arranges the rectangle hoop of sealing together, other positions, in conjunction with vertical muscle position, outside, evenly arrange outside stirrup around steel pipe.
When described stem stem extends up to the altitude range that steel pipe is no longer set, outside stirrup is converted into rectangle compound stirrup, and its layout is grid form, and outside vertical muscle and the vertical muscle of stem stem are integrated by stem stem stirrup, the colligation of rectangle compound stirrup.
The vertical muscle stem stem stirrup of described stem stem starts to arrange from transition zone flooring, at least extends upward two-layer.
Within the scope of steel pipe lateral wall overall height in described transition zone concrete column along border and the uniform peg that arranges of short transverse.
The vertical muscle reinforcement ratio of above-mentioned stem stem must meet the requirement of the relevant stem stem minimum steel ratio of corresponding standard.
The present invention compared with the prior art, has following beneficial effect:
1, meet the requirement of structural system anti-seismic performance, avoid occurring rigidity and bearing capacity sudden change, safe and reliable, economical rationality;
2, the feasibility and the convenience that from design angle, take into full account construction, maximum possible is guaranteed the realizability of construction quality.
3, stem stem layout adopts rectangle, and between the vertical muscle in steel pipe outside and concrete column outside, spatially each member is arranged in order, makes it not have conflict, is convenient to indulge in post insertion, location and the colligation of muscle and stirrup;
4, reasonable in design, method is simple, and working procedure is greatly simplified, for improving speed of application, create favorable conditions;
The present invention is applicable to high level, super highrise building, guaranteeing that structural system possesses under the prerequisite of good anti-seismic performance, take into full account the exploitativeness of construction, be applicable to the transition node of concrete filled steel tube coupled column to the concrete filled steel tube coupled column of reinforced concrete post transition to reinforced concrete post.
accompanying drawing explanation
Fig. 1 is the shaft detail drawing of the embodiment of the present invention 1;
Fig. 2 is the A-A section in the embodiment of the present invention 1;
Fig. 3 is the B-B section in the embodiment of the present invention 1.
the specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Of the present invention for high-rise, a kind of concrete filled steel tube coupled column of super highrise building to reinforced concrete post transition node shaft detail drawing as shown in Figure 1.Wherein, the section form of concrete filled steel tube coupled column is rectangle, the interior steel pipe 2 that arranges of concrete column 1, the section form of steel pipe 2 is circular, and it is in all logical high settings in post of the following floor of transition zone, when steel pipe 2 rises to after transition zone, steel pipe 2 extends up to This floor medium position from flooring and blocks, above floor no longer arranges steel pipe 2, and steel pipe 2 is for middle position arranges in concrete column 1, and the minimum range between steel pipe 2 lateral walls and concrete column 1 outward flange is 200mm.At transition zone flooring, start to arrange the vertical muscle 5 of stem stem and stem stem stirrup 7, and extend upward 2 layers, logical high setting.
Fig. 2 is the column section transition node detail drawing when transition zone arranges steel pipe 2, be applicable to the post sectional detail drawing in transition zone arranges steel pipe 2 altitude ranges, wherein, the center superposition of the center of circle of steel pipe 2 and concrete column 1, the lateral wall of steel pipe 2 evenly arranges peg 3 along border at transition zone altitude range Nei Tonggao, and in steel pipe 2, outer concrete is all built simultaneously, stem stem 10 is comprised of the vertical muscle 5 of stem stem and stem stem stirrup 7, stem stem 10 plan-positions are between steel pipe 2 outsides and the outside vertical muscle 5 of concrete column, the layout of stem stem 10 is rectangular, the vertical muscle 5 of stem stem is arranged and the outside vertical two-way setting of all aliging of muscle 4 of concrete column.
Fig. 3 is the column section transition node detail drawing during without steel pipe 2 at transition zone, be applicable to the transition node post sectional detail drawing in transition zone is cancelled steel pipe 2 altitude ranges, wherein, stem stem is indulged muscle 5 up/down perforations, do not change its specification, quantity and plane arrangement form, stem stem stirrup 7 and rectangle compound stirrup 8 coordinate, and the vertical muscle 4 in outside and vertical muscle 5 colligations of stem stem are integrated.
Fig. 1 is transition zone shaft detail drawing in concrete engineering example, and the present invention is applied in certain Practical Project, seismic fortification intensity 7 degree, first group of classification of design earthquake, site category III class.Underground 4 layers of this engineering, 45 layers on the ground of high buildings, typical floor floor height 4.2m, main structure body overall height 199.6m, for super highrise building, structural system adopts reinforced concrete frame-core wall structure, and frame column all adopts concrete filled steel tube coupled column below from 22 layers, 22 layers of above reinforced concrete post that adopts, Core Walls Structure shear wall all adopts steel concrete.The 22nd layer of cross-section of frame column form by concrete filled steel tube coupled column to reinforced concrete post transition, in concrete filled steel tube coupled column, steel pipe 2 rises to floor medium position from the 22nd floor face, apart from flooring height 2.1m place, block, the 22nd layer of steel pipe overall height scope, along steel pipe 2 lateral walls, peg 3 is evenly set along border.Simultaneously, in this floor flooring position, start to arrange the vertical muscle 5 of stem stem and stem stem stirrup 7, stem stem 10 plan-positions are between steel pipe 2 outsides and the outside vertical muscle 5 of concrete column, and its layout is rectangular, and the vertical muscle 5 of stem stem is arranged with the outside vertical muscle 4 of concrete column in the two-way setting of all aliging.The vertical muscle 5 of stem stem and stem stem stirrup 7 extend upward 2 layers, and Fig. 3 sectional detail drawing is equally applicable to an adjacent upper floor.22nd, 23 layers are the transition zone that column section type changes.
The present invention fully takes into account column section type variation and avoids causing rigidity and bearing capacity sudden change, take into account again feasibility and the convenience of construction, at rational position, the vertical muscle 5 of stem stem and stem stem stirrup 7 are set, spatially arrange in order, make its not Existential Space intersection, in addition, stem stem 10 layout adopt rectangle, simultaneously, muscle 4 is indulged in the two-way setting of all aliging with concrete column 1 outside in the vertical muscle of stem stem 5 location, this makes in the altitude range after steel pipe 2 blocks, rectangle compound stirrup 8 and outside vertical muscle 4, outside vertical muscle 5 and stem stem stirrup 7 are all arranged 2 direction alignment, and colligation is integrated, rectangle compound stirrup 8 is grid and arranges.Above design scheme be post inner concrete water smoothly puddling real, guarantee that construction quality creates favourable prerequisite.
Example of the present invention is enumerated above-mentioned embodiment; but the diversity due to cross-section of frame column form; respective steel pipe concrete coupled column is deposited difference in detail to reinforced concrete post transition node in structural form; unless the change of the transition node causing exceeds scope of the present invention, otherwise within all should being included in protection scope of the present invention.
Claims (8)
1. a concrete filled steel tube coupled column is to the transition node of reinforced concrete post, the transition zone column section that it is characterized in that transition node place includes concrete column (1), steel pipe (2), outside vertical muscle (4), outside stirrup (6), stem stem is indulged muscle (5) and stem stem stirrup (7), concrete filled steel tube coupled column is for arranging steel pipe (2) at concrete column (1) middle part, the section form of concrete filled steel tube coupled column is rectangle, the section form of steel pipe (2) is circular, outside vertical muscle (4) and outside stirrup (6) are set in the concrete column in steel pipe (2) outside, form stem stem (10), and in steel pipe (2), outer concrete is all built simultaneously.
2. concrete filled steel tube coupled column according to claim 1, to the transition node of reinforced concrete post, is characterized in that described transition zone refers to column section type and is converted into reinforced concrete post place floor and an adjacent upper floor by concrete filled steel tube coupled column.
3. concrete filled steel tube coupled column according to claim 1 is to the transition node of reinforced concrete post, after it is characterized in that medium position that steel pipe (2) in described transition zone concrete column (1) extends up to This floor height from flooring position blocks, above altitude range no longer arranges steel pipe (2).
4. concrete filled steel tube coupled column according to claim 1 is to the transition node of reinforced concrete post, it is characterized in that described stem stem (10) is comprised of the vertical muscle (5) of stem stem and stem stem stirrup (7), the section form of stem stem (10) is rectangle, in steel pipe (2) altitude range, stem stem is indulged muscle (5) and is evenly arranged along border, steel pipe (2) outside, and the location that stem stem is indulged muscle (5) is and the vertical two-way setting of all aliging of muscle (4) in outside.
5. concrete filled steel tube coupled column according to claim 1 is to the transition node of reinforced concrete post, it is characterized in that described outside stirrup (6) is in the altitude range of transition zone steel pipe (2) place, except equidistant in short transverse, and outside steel pipe (2) border arranges the rectangle hoop of sealing together, other positions, in conjunction with vertical muscle (4) position, outside, evenly arrange the outside stirrup (6) in some roads around steel pipe (2).
6. concrete filled steel tube coupled column according to claim 1 is to the transition node of reinforced concrete post, while it is characterized in that described stem stem (10) extends up to the altitude range that steel pipe (2) is no longer set, stirrup form is converted into rectangle compound stirrup (8), its layout is grid form, and outside vertical muscle (4) and the vertical muscle (5) of stem stem are integrated by stem stem stirrup (7), rectangle compound stirrup (8) colligation.
7. concrete filled steel tube coupled column according to claim 1, to the transition node of reinforced concrete post, is characterized in that described stem stem is indulged muscle (5) and stem stem stirrup (7) starts to arrange from transition zone flooring, at least extends upward two-layer.
8. concrete filled steel tube coupled column according to claim 1 is to the transition node of concrete column, it is characterized in that within the scope of steel pipe (2) overall height in described transition zone concrete column (1), along steel pipe (2) lateral wall spaced set peg (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310606351.2A CN103603434B (en) | 2013-11-26 | 2013-11-26 | A kind of concrete filled steel tube coupled column is to the transition node of reinforced column |
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| CN201310606351.2A CN103603434B (en) | 2013-11-26 | 2013-11-26 | A kind of concrete filled steel tube coupled column is to the transition node of reinforced column |
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| CN103603434A true CN103603434A (en) | 2014-02-26 |
| CN103603434B CN103603434B (en) | 2016-08-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016132948A (en) * | 2015-01-21 | 2016-07-25 | 株式会社竹中工務店 | Connection structure |
| CN108193769A (en) * | 2018-02-09 | 2018-06-22 | 天津城建大学 | A kind of concrete filled steel tube transition section structure and its installation method |
| CN108797322A (en) * | 2018-08-15 | 2018-11-13 | 西安科技大学 | A kind of Anti-seismic beam bridge bridge pier |
| CN108894100A (en) * | 2018-08-15 | 2018-11-27 | 西安科技大学 | A kind of the antidetonation bridge pier and its construction method of rigid frame bridge |
| CN108978448A (en) * | 2018-08-15 | 2018-12-11 | 西安科技大学 | A kind of construction method of Anti-seismic beam bridge bridge pier |
| CN109707055A (en) * | 2019-02-28 | 2019-05-03 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN115787841A (en) * | 2022-12-07 | 2023-03-14 | 重庆大学 | Steel pipe concrete-steel pipe vertical mixed structure system |
| CN118187368A (en) * | 2024-03-19 | 2024-06-14 | 华南理工大学 | Precast concrete column with built-in recycled components and construction method thereof |
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| CN203569700U (en) * | 2013-11-26 | 2014-04-30 | 香港华艺设计顾问(深圳)有限公司 | Transition node from concrete filled steel tube combination column to reinforced concrete column |
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| JP2001303680A (en) * | 2000-04-19 | 2001-10-31 | Kajima Corp | Joint between filled steel pipe member and RC member or PC member |
| JP2002206283A (en) * | 2001-01-09 | 2002-07-26 | Mitsui Constr Co Ltd | Cft structural column |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016132948A (en) * | 2015-01-21 | 2016-07-25 | 株式会社竹中工務店 | Connection structure |
| CN108193769A (en) * | 2018-02-09 | 2018-06-22 | 天津城建大学 | A kind of concrete filled steel tube transition section structure and its installation method |
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| CN108978448A (en) * | 2018-08-15 | 2018-12-11 | 西安科技大学 | A kind of construction method of Anti-seismic beam bridge bridge pier |
| CN108797322B (en) * | 2018-08-15 | 2020-01-21 | 西安科技大学 | Anti-seismic beam bridge pier |
| CN109707055A (en) * | 2019-02-28 | 2019-05-03 | 清华大学 | The switching node and construction method of upper layer steel pipe column and lower layer's reinforced column |
| CN115787841A (en) * | 2022-12-07 | 2023-03-14 | 重庆大学 | Steel pipe concrete-steel pipe vertical mixed structure system |
| CN118187368A (en) * | 2024-03-19 | 2024-06-14 | 华南理工大学 | Precast concrete column with built-in recycled components and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN103603434B (en) | 2016-08-17 |
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