CN102979179B - The pipe-reinforced concrete superimposed frame structure system of a kind of steel - Google Patents
The pipe-reinforced concrete superimposed frame structure system of a kind of steel Download PDFInfo
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- CN102979179B CN102979179B CN201210495234.9A CN201210495234A CN102979179B CN 102979179 B CN102979179 B CN 102979179B CN 201210495234 A CN201210495234 A CN 201210495234A CN 102979179 B CN102979179 B CN 102979179B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 239000010959 steel Substances 0.000 title claims abstract description 95
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 claims abstract description 38
- 210000003205 muscle Anatomy 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 241001503485 Mammuthus Species 0.000 abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The pipe-reinforced concrete superimposed frame structure system of a kind of steel, belongs to the Structural Engineering field in civil engineering.It is characterized in that, the superimposed cross section that the beam of this system, post all adopt hollow steel tube reinforced concrete enveloped to be formed.Inner employing hollow steel tube, cross section is carried out, and rigidity is large, effectively alleviates dead load, reduce the active force in earthquake while reduction concrete amount; Meanwhile, reinforced concrete enveloped provides good fire prevention and anti-corrosion protection to steel pipe.In the node area of system, in post, steel pipe is through, to be welded in post on steel pipe by steel pipe in beam by enforced loop plane.The through layout of muscle indulged by post; Beam is indulged muscle part and is walked around steel pipe in post and go deep into node, and part to be welded in post on steel pipe; Node area beam, column tie-bar are suitably encrypted.The present invention is applied in the form of structure such as framework, Frame-Shear Wall, is applicable to the agent structure system as large-scale high level, Super High or mammoth structure.<!--1-->
Description
Technical field
The invention belongs to the Structural Engineering field in civil engineering, particularly the pipe-reinforced concrete superimposed frame structure system of a kind of steel.
Background technology
In recent years, along with the fast development of China's economy and improving constantly of building structure technology, the demand of various places to high-rise, super highrise building and landmark building constantly increases, the construction of mammoth structure is had unprecedented development.At present, the main Types that mammoth structure adopts comprises, reinforced concrete structure, pure steel structure and steel-concrete combined structure.Wherein, the combining structure such as concrete filled steel tube, steel reinforced concrete, due to steel, concrete bi-material advantage separately can be given full play to, have that intensity is high, rigidity is large, superior performance, the advantage such as good in economic efficiency, obtain applying more and more widely in mammoth structure.Mammoth structure is as important heavy construction, and its safety in all kinds of disaster is the guarantee of people's lives and properties.Because mammoth structure quality is large, the active force born in earthquake is also relatively large; Meanwhile, mammoth structure mostly is high-rise, Super High, and fire-fighting difficulty is large, has higher requirement to fire resistance.Adopt more reasonably structural system, improve the performance of combating a natural disaster of mammoth structure, become the new demand of modern architecture development.Therefore, clear and definite in the urgent need to a kind of power transmission, overall performance good, can meet every building function, has the structural system of good antidetonation and fire resistance simultaneously, adapt to the requirement of mammoth structure development.
The pipe-reinforced concrete superimposed frame structure system of a kind of steel, the superposed member that its beam, post all adopt hollow steel tube reinforced concrete enveloped to be formed.The interior hollow steel tube of post can be circular or square-section; The interior hollow steel tube of beam adopts square-section.Hollow section decreases concrete filling, effectively alleviates dead load; Meanwhile, external wrapping concrete provides relatively good fire prevention and anti-corrosion protection to steel pipe.Therefore, this class formation has that cross section is carried out, rigidity is large, the advantage such as superior, fire-resistant and corrosion resistance and good from heavy and light, antidetonation, is applicable to the agent structure system of the mammoth structures such as large-scale high level, super high rise structure.Utilizing the pipe-reinforced concrete superimposed frame structure system of steel, is improve the effective way of mammoth structure from great, poor seismic behavior, fire resistance difference.
Summary of the invention
The object of the invention is to solve the mammoth structure described in background technology from the problem of great, poor seismic behavior, fire resistance difference, provide that a kind of cross section is carried out, rigidity large, from heavy and light, the pipe-reinforced concrete superimposed frame structure system of antidetonation steel that is superior, fire-resistant and corrosion resistance and good.Hollow steel tube-reinforced concrete enveloped cross section is carried out, and there is compound action between bi-material, and the bearing capacity under pressure load and curved load action is high, rigidity is large.Steel duct is fill concrete not, under the less prerequisite of integral rigidity impact, efficiently reduces the deadweight of structure, thus reduces the active force that structure is subject in earthquake.Specific heat capacity is large, the slow external wrapping concrete that heats up can provide good protective effect to the steel pipe of inside and reinforcing bar in a fire, substantially improves the fire resistance of structure.Meanwhile, because concrete is to the protection of steel pipe, the endurance quality of structure is also relatively better.Therefore, the pipe-reinforced concrete superimposed frame structure system mechanical property of this steel is good, and antidetonation, fire resistance are superior, is applicable to apply in large-scale high level, Super High mammoth structure.
The invention is characterized in, be comprise the post and lintel system in any one form of structure of frame construction, frame shear wall structure and suspended structure, comprises frame column 2, Vierendeel girder 3 and the node 4 as beam, column jointing gusset, wherein:
Frame column 2, it is a kind of frame column of interior hollow steel tube-reinforced concrete enveloped, inner employing post hollow steel tube 201, post concrete 202 is surrounded by outside described post hollow steel tube 201, longitudinally at least arrange that at each angle of described post concrete 202 muscle 203 indulged by a post, in described post concrete 202, hoop has multi-turn column tie-bar 204 from top to bottom
Vierendeel girder 3, it is a kind of Vierendeel girder of interior hollow steel tube-reinforced concrete enveloped, inner employing beam hollow steel tube 301, beam concrete 302 is surrounded by outside described beam hollow steel tube 301, transversely at least arrange that at each angle of described beam concrete 302 beam indulges muscle 303, in described beam concrete 302, from left to right hoop has multi-turn beam stirrup 304
Node 4, the join domain of the post hollow steel tube 201 in frame column 2 and the beam hollow steel tube 301 in Vierendeel girder 3 is provided with outer annular-stiffer plate 401, the post hollow steel tube 201 of described frame column 2 is through, described beam hollow steel tube 301 is welded on described post hollow steel tube 201 by described outer annular-stiffer plate 401, described post is indulged muscle 203 up/down perforation and is arranged, described column tie-bar 204 is encrypted in the number of turns of node area, described beam is indulged muscle 303 and is walked around described post hollow steel tube 201, and described beam stirrup 304 is encrypted in the number of turns of node area.
Outside enforced loop plane 401 there is stiffening rib.
Beam indulge muscle 303 cannot walk around the post hollow steel tube 201 of frame column 2 time, be that direct reinforcing bar connector is welded on described post hollow steel tube 201.
The cross section of the post hollow steel tube 201 in described frame column 2 is circular or rectangle.
The cross section of the beam hollow steel tube 301 in described Vierendeel girder 3 is rectangles.
The material of the post hollow steel tube 201 in described frame column 2 and the beam hollow steel tube 301 in Vierendeel girder 3 is common iron or high-strength steel.
The material of the post concrete 202 in described frame column 2 and the beam concrete 302 in Vierendeel girder 3 is ordinary concrete or high-strength concrete.
Described outer annular-stiffer plate 401 is radial in the post hollow steel tube 201 in frame column 2 to be extended, enforced loop plane in being formed.
Beneficial effect of the present invention is:
(1) compare with Huge Steel Open tendon concrete structure conventional at present, huge combining structure, hollow steel tube in this structural system adopts, cross section is carried out, rigidity large, good stability, effectively can alleviate dead load, in earthquake, bear less active force, thus there is superior anti-seismic performance.
(2) compare with steel megastructure conventional at present, huge combining structure, the external wrapping concrete of this structural system can provide good flameproof protection for internal steel pipe and reinforcing bar, makes structure have superior fire resistance.
(3) external wrapping concrete can effectively delay or avoid the corrosion of interior outer wall of steel pipe.Meanwhile, research shows, the hollow section of closed cross-section is inner, and owing to lacking oxygen and moisture, its corrosion can be ignored.Therefore, this structural system has good endurance quality.
(4) steel duct hollow, decreases concrete amount; The application of steel pipe greatly reduces amount of reinforcement, accelerates speed of application; Meanwhile, inner space can be arranged the equipment such as pipeline and play a protective role to it.Therefore, this structural system has good economy and applicability.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention frame structure system schematic diagram;
Fig. 2 is the A-A column section sectional view of Fig. 1;
Fig. 3 is the B-B beam section sectional view of Fig. 1;
Fig. 4 is the node partial schematic diagram at 4 places of Fig. 1.
In figure, the pipe-reinforced concrete superimposed frame structure system of 1--steel, 2--frame column, 3--Vierendeel girder, 4--bean column node, 201--post hollow steel tube, 202--post concrete, muscle indulged by 203--post, 204--column tie-bar, 301--beam hollow steel tube, 302--beam concrete, 303--beam indulges muscle, 304--beam stirrup, 401--outer annular-stiffer plate.
Detailed description of the invention
The invention provides the pipe-reinforced concrete superimposed frame structure system of a kind of steel, the embodiment below in conjunction with accompanying drawing is further described structure of the present invention and detailed description of the invention.
Object of the present invention is achieved through the following technical solutions: the pipe-reinforced concrete superimposed frame structure system 1 of steel is made up of frame column 2, Vierendeel girder 3 and node 4.The beam of described structural system 1, column section all adopt interior hollow steel tube-reinforced concrete enveloped combining structure.In described frame column 2, at steel pipe, inner employing post hollow steel tube 201, arranges that post indulges muscle 203 and column tie-bar 204 outward, and waters post concrete 202.In described Vierendeel girder 3, inner employing beam hollow steel tube 301, disposed outside beam indulges muscle 303, beam stirrup 304, and waters beam concrete 302.In described beam, column jointing gusset 4, post hollow steel tube 201 and beam hollow steel tube 301 can adopt the board-like connected mode of outer annular-stiffer, post hollow steel tube 201 is through, is welded on post hollow steel tube 201, can arranges stiffening rib if desired by beam hollow steel tube 301 by outer annular-stiffer plate 401.The through layout of muscle 203 indulged by post; Column tie-bar 204 should have suitable encryption in node area.Beam indulges muscle 303, can walk around post hollow steel tube 201, should go deep into node and meet the requirement of Bar Anchorage; Cannot walk around, available reinforcing bar connector is welded on post hollow steel tube 201.Beam stirrup 304 also should suitably be encrypted in node area.The layout of node area reinforcing bar is except ensureing that the stress reliable delivery of beam-ends is except styletable, also should be convenient to concrete building and density.Finally, placing of concrete, forms beam, column jointing gusset.
Outside enforced loop plane 401 there is stiffening rib.
Beam indulge muscle 303 cannot walk around the post hollow steel tube 201 of frame column 2 time, be that direct reinforcing bar connector is welded on described post hollow steel tube 201.
The cross section of the post hollow steel tube 201 in frame column 2 is circular or rectangle.
The cross section of the beam hollow steel tube 301 in Vierendeel girder 3 is rectangles.
The material of the post hollow steel tube 201 in frame column 2 and the beam hollow steel tube 301 in Vierendeel girder 3 is common iron or high-strength steel.
The material of the post concrete 202 in frame column 2 and the beam concrete 302 in Vierendeel girder 3 is ordinary concrete or high-strength concrete.
Outer annular-stiffer plate 401 is radial in the post hollow steel tube 201 in frame column 2 to be extended, enforced loop plane in being formed.
Structural system cross section of the present invention is carried out, rigidity is large, superior, the fire-resistant and corrosion resistance and good from heavy and light, antidetonation, can reduce concrete amount simultaneously, accelerate speed of application, have good economic benefit.Be applicable to the agent structure system as large-scale high level, Super High or mammoth structure.
Claims (3)
1. the pipe-reinforced concrete superimposed frame structure system of steel, it is characterized in that, be comprise the post and lintel system in any one form of structure of frame construction, frame shear wall structure and suspended structure, comprise frame column 2, Vierendeel girder 3 and the node 4 as beam, column jointing gusset, wherein:
Frame column 2, it is a kind of frame column of interior hollow steel tube-reinforced concrete enveloped, inner employing post hollow steel tube 201, post concrete 202 is surrounded by outside described post hollow steel tube 201, longitudinally at least arrange that at each angle of described post concrete 202 muscle 203 indulged by a post, in described post concrete 202, hoop has multi-turn column tie-bar 204 from top to bottom
Vierendeel girder 3, it is a kind of Vierendeel girder of interior hollow steel tube-reinforced concrete enveloped, inner employing beam hollow steel tube 301, beam concrete 302 is surrounded by outside described beam hollow steel tube 301, transversely at least arrange that at each angle of described beam concrete 302 beam indulges muscle 303, in described beam concrete 302, from left to right hoop has multi-turn beam stirrup 304
Node 4, the join domain of the post hollow steel tube 201 in frame column 2 and the beam hollow steel tube 301 in Vierendeel girder 3 is provided with outer annular-stiffer plate 401, the post hollow steel tube 201 of described frame column 2 is through, described beam hollow steel tube 301 is welded on described post hollow steel tube 201 by described outer annular-stiffer plate 401, described post is indulged muscle 203 up/down perforation and is arranged, described column tie-bar 204 is encrypted in the number of turns of node area, described beam is indulged muscle 303 and is walked around described post hollow steel tube 201, and described beam stirrup 304 is encrypted in the number of turns of node area.
2. the pipe-reinforced concrete superimposed frame structure system of a kind of steel according to claim 1, is characterized in that, outside enforced loop plane 401 has stiffening rib.
3. the pipe-reinforced concrete superimposed frame structure system of a kind of steel according to claim 1, is characterized in that, beam indulge muscle 303 cannot walk around the post hollow steel tube 201 of frame column 2 time, be that direct reinforcing bar connector is welded on described post hollow steel tube 201.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210495234.9A CN102979179B (en) | 2012-11-28 | 2012-11-28 | The pipe-reinforced concrete superimposed frame structure system of a kind of steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210495234.9A CN102979179B (en) | 2012-11-28 | 2012-11-28 | The pipe-reinforced concrete superimposed frame structure system of a kind of steel |
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| CN102979179A CN102979179A (en) | 2013-03-20 |
| CN102979179B true CN102979179B (en) | 2015-12-09 |
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| CN104831818B (en) * | 2015-04-29 | 2017-07-28 | 国核电力规划设计研究院 | The connecting node of precast reinforced concrete beam and superposed column |
| CN105756189B (en) * | 2016-04-21 | 2018-03-30 | 广东省建筑设计研究院 | A kind of assembling frame core wall structure system using full Baogang's primary structure member |
| CN106436925A (en) * | 2016-09-26 | 2017-02-22 | 上海市机械施工集团有限公司 | Node structures of structural beam and structural column through reverse building method |
| CN106759865B (en) * | 2016-11-29 | 2019-06-21 | 广西大学 | A kind of U-shaped steel plate combination beam frame of steel core concrete column- |
| CN107012989A (en) * | 2017-06-06 | 2017-08-04 | 上海欧本钢结构有限公司 | A kind of steel pipe bundle concrete column |
| CN107435376A (en) * | 2017-08-22 | 2017-12-05 | 深圳市建筑设计研究总院有限公司 | Strong frame frame structure |
| CN108571181A (en) * | 2018-06-06 | 2018-09-25 | 福州大学 | RC frame joints ruggedized construction based on column steel bonding-haunch and reinforcement means |
| CN109914610B (en) * | 2019-03-20 | 2020-05-19 | 西安建筑科技大学 | Implementation system and method for improving continuous collapse resistance of space grid structure |
| CN111733977A (en) * | 2020-07-03 | 2020-10-02 | 青岛理工大学 | Intelligent fireproof system of water-cooled steel structure and fire resisting method thereof |
| CN112796415A (en) * | 2021-01-18 | 2021-05-14 | 清华大学 | Novel concrete-filled steel tube stiffening mixed structure and construction method thereof |
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| CN202990101U (en) * | 2012-11-28 | 2013-06-12 | 清华大学 | Steel-tube-reinforced-concrete overlapped frame structure system |
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| JP2860294B1 (en) * | 1998-02-05 | 1999-02-24 | 黒沢建設株式会社 | Column and beam joining method and joint structure |
| JPH11350603A (en) * | 1998-06-08 | 1999-12-21 | Takenaka Komuten Co Ltd | Beam joint of filling type steel pipe concrete column |
| JP3602429B2 (en) * | 2000-10-20 | 2004-12-15 | 大成建設株式会社 | Reinforced concrete columns |
| KR100620860B1 (en) * | 2004-07-30 | 2006-09-19 | 한택희 | Hollow reinforced concrete column with internal steel tube |
| CN101694109B (en) * | 2009-08-13 | 2010-12-29 | 沈阳建筑大学 | Dropping semi-core-through joint of hollow laminated steel pipe concrete column and steel girder |
| CN101701485A (en) * | 2009-10-26 | 2010-05-05 | 清华大学 | Hollow steel pipe-reinforced concrete superimposed member |
| CN101914952A (en) * | 2010-07-23 | 2010-12-15 | 华南理工大学 | Connecting joint between hollow steel tube concrete column and steel girder and construction method thereof |
| CN102644327A (en) * | 2012-05-08 | 2012-08-22 | 福建农林大学 | Panel binding type connection node of concrete filled steel tube laminated column and steel beam and construction method |
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| CN202990101U (en) * | 2012-11-28 | 2013-06-12 | 清华大学 | Steel-tube-reinforced-concrete overlapped frame structure system |
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