CN202990101U - Steel-tube-reinforced-concrete overlapped frame structure system - Google Patents

Steel-tube-reinforced-concrete overlapped frame structure system Download PDF

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Publication number
CN202990101U
CN202990101U CN 201220640766 CN201220640766U CN202990101U CN 202990101 U CN202990101 U CN 202990101U CN 201220640766 CN201220640766 CN 201220640766 CN 201220640766 U CN201220640766 U CN 201220640766U CN 202990101 U CN202990101 U CN 202990101U
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steel tube
post
frame
hollow steel
concrete
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CN 201220640766
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Chinese (zh)
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韩林海
侯超
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Tsinghua University
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Tsinghua University
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Abstract

The utility model relates to a steel-tube-reinforced-concrete overlapped frame structure system and belongs to the structural engineering field in the civil engineering. The steel-tube-reinforced-concrete overlapped frame structure system is characterized in that girders and columns of the system are all overlapped sections formed by hollow steel tubes externally coated with reinforced concrete. The interior of the system adopts hollow steel tubes, sections expand, the rigidity is high, reinforced concrete dosages are reduced and meanwhile the self weight of a structure is effectively reduced. Acting force in an earthquake is reduced. Meanwhile, the externally coated reinforced concrete provides good fireproofing and anti-corrosion protection. In a panel point region of the system, steel tubes in the columns are communicated, and steel tubes in the girders are welded on the steel tube inside the columns through reinforcing ring plates. Longitudinal bars of the columns are arranged to be communicated, longitudinal bars of the girders respectively bypass the steel tube in the columns to penetrate into panel points, and welded on the steel tube in the columns partially. Stirrups of the girders and the columns in the panel point region are appropriately tightened. The steel-tube-reinforced-concrete overlapped frame structure system is applied to structural types such as a frame and a frame-shear wall, and suitable for being used as a major structure system of a large-scale high-rise structure or super high-rise structure or a mammoth structure.

Description

A kind of steel pipe-reinforced concrete sandwich frame structure system
Technical field
The utility model belongs to the Structural Engineering field in civil engineering, particularly a kind of steel pipe-reinforced concrete sandwich frame structure system.
Background technology
In recent years, along with the fast development of China's economy and improving constantly of building structure technology, various places constantly increase the demand of high level, super highrise building and landmark building, make the construction of mammoth structure that unprecedented development arranged.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, owing to giving full play to steel, concrete bi-material advantage separately, have that intensity is high, rigidity is large, superior performance, the advantage such as good in economic efficiency, obtain using more and more widely in mammoth structure.Mammoth structure is as important heavy construction, and its safety in all kinds of disasters is the guarantee of people's lives and properties.Because the mammoth structure quality is large, the active force that bears in earthquake is also relatively large; Simultaneously, mammoth structure mostly is high-rise, Super High, and the fire-fighting difficulty is large, and fire resistance is had higher requirement.Adopt more rational 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 satisfy every building function, has simultaneously the structural system of good antidetonation and fire resistance, adapt to the requirement of mammoth structure development.
The superposed member that a kind of steel pipe-reinforced concrete sandwich frame structure system, its beam, post all adopt the hollow steel tube reinforced concrete enveloped to form.The interior hollow steel tube of post can be circle or square-section; The interior hollow steel tube of beam adopts the square-section.Hollow section has reduced concrete filling, has effectively alleviated dead load; Simultaneously, external wrapping concrete provides relatively good fire prevention and anti-corrosion protection to steel pipe.Therefore, this class formation has that the cross section is carried out, rigidity is large, from heavy and light, antidetonation is superior, fire-resistant and the advantage such as corrosion resistance and good, is applicable to the agent structure system of the mammoth structures such as large-scale high level, Super High structure.Utilizing steel pipe-reinforced concrete sandwich frame structure system, is to improve mammoth structure from great, poor seismic behavior, the poor effective way of fire resistance.
The utility model content
The purpose of this utility model is to solve the mammoth structure described in background technology from great, poor seismic behavior, the poor problem of fire resistance, provide that a kind of cross section is carried out, rigidity is large, from heavy and light, antidetonation is superior, fire-resistant and the steel pipe of corrosion resistance and good-reinforced concrete sandwich frame structure system.Carry out in hollow steel tube-reinforced concrete enveloped cross section, has compound action between bi-material, and bearing capacity under load and curved load action is high, rigidity is large pressing.Steel duct is fill concrete not, under on the less prerequisite of integral rigidity impact, has effectively reduced the deadweight of structure, thereby reduced the active force that structure is subject in earthquake.Specific heat capacity is large, the slow external wrapping concrete that heats up can provide protective effect preferably to steel pipe and the reinforcing bar of inside in fire, has greatly improved the fire resistance of structure.Simultaneously, due to the protection of concrete to steel pipe, the endurance quality of structure is also relatively better.Therefore, this steel pipe-reinforced concrete sandwich frame structure system mechanical property is good, and antidetonation, fire resistance are superior, are applicable to use in large-scale high level, Super High mammoth structure.
Of the present utility model being characterised in that is the post and lintel system that comprises in any one form of structure of frame construction, frame shear wall structure and suspended structure, comprises frame column 2, Vierendeel girder 3 and as the node 4 of beam, column jointing gusset, wherein:
Frame column 2, it is a kind of frame column of interior hollow steel tube-reinforced concrete enveloped, the inner post hollow steel tube 201 that adopts, be surrounded by post concrete 202 outside described post hollow steel tube 201, at least arrange longitudinally that at each angle of described post concrete 202 post indulges muscle 203, hoop has multi-turn column tie-bar 204 from top to bottom in described post concrete 202
Vierendeel girder 3, it is a kind of Vierendeel girder of interior hollow steel tube-reinforced concrete enveloped, the inner beam hollow steel tube 301 that adopts, be surrounded by beam concrete 302 outside described beam hollow steel tube 301, at each angle of described beam concrete 302 along arranging at least that laterally a beam indulges muscle 303, from left to right hoop has multi-turn beam stirrup 304 in described beam concrete 302
Node 4, the join domain of the beam hollow steel tube 301 in the post hollow steel tube 201 in frame column 2 and Vierendeel girder 3 is provided with outer annular-stiffer plate 401, the post hollow steel tube 201 of described frame column 2 connects, described beam hollow steel tube 301 is welded on described post hollow steel tube 201 by described outer annular-stiffer plate 401, vertical muscle 203 up/down perforations of described post are arranged, described column tie-bar 204 is encrypted in the number of turns of node area, the vertical muscle 303 of described beam is walked around described post hollow steel tube 201, and described beam stirrup 304 is encrypted in the number of turns of node area.
On enforced loop plane 401, stiffening rib is arranged outside.
When the vertical muscle 303 of beam can't be walked around the post hollow steel tube 201 of frame column 2, be directly to be welded on described post hollow steel tube 201 with reinforcing bar connector.
The cross section of the post hollow steel tube 201 in described frame column 2 is circle or rectangle.
The cross section of the beam hollow steel tube 301 in described Vierendeel girder 3 is rectangles.
Post hollow steel tube 201 in described frame column 2 and the material of the beam hollow steel tube 301 in Vierendeel girder 3 are common iron or high-strength steel.
Post concrete 202 in described frame column 2 and the material of the beam concrete 302 in Vierendeel girder 3 are ordinary concrete or high-strength concrete.
Radially extend enforced loop plane in forming in the post hollow steel tube 201 of described outer annular-stiffer plate 401 in the frame column 2.
The beneficial effects of the utility model are:
(1) compare with Huge Steel Open tendon concrete structure, huge combining structure commonly used at present, hollow steel tube in this structural system adopts, carry out in the cross section, rigidity large, good stability, can effectively alleviate dead load, bear less active force in earthquake, thereby have superior anti-seismic performance.
(2) compare with Huge Steel Open structure, huge combining structure at present commonly used, 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.Simultaneously, studies show that, 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, reduced concrete amount; The application of steel pipe greatly reduces amount of reinforcement, has accelerated speed of application; Simultaneously, the inner space can be arranged the equipment such as pipeline and it is played a protective role.Therefore, this structural system has economy and applicability preferably.
Description of drawings
Fig. 1 is embodiment frame structure system schematic diagram of the present utility model;
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, 1--steel pipe-reinforced concrete sandwich frame structure system, 2--frame column, the 3--Vierendeel girder, 4--bean column node, 201--post hollow steel tube, 202--post concrete, the 203--post is indulged muscle, 204--column tie-bar, 301--beam hollow steel tube, 302--beam concrete, the 303--beam is indulged muscle, 304--beam stirrup, 401--outer annular-stiffer plate.
The specific embodiment
The utility model provides a kind of steel pipe-reinforced concrete sandwich frame structure system, below in conjunction with the embodiment of accompanying drawing, structure of the present utility model and the specific embodiment is further described.
The purpose of this utility model is achieved through the following technical solutions: steel pipe-reinforced concrete sandwich frame structure system 1 is made 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, the inner post hollow steel tube 201 that adopts is arranged the vertical muscle 203 of post and column tie-bar 204 outside steel pipe, and pouring post concrete 202.In described Vierendeel girder 3, the inner beam hollow steel tube 301 that adopts, the disposed outside beam is indulged muscle 303, beam stirrup 304, and pouring 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 connects, and beam hollow steel tube 301 is welded on post hollow steel tube 201 by outer annular-stiffer plate 401, can arrange stiffening rib in case of necessity.The vertical muscle 203 of post connects to be arranged; 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 satisfy the requirement of Bar Anchorage; Can't 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 to styletable, also should be convenient to concrete and density except the stress reliable delivery that should guarantee beam-ends.At last, placing of concrete forms beam, column jointing gusset.
On enforced loop plane 401, stiffening rib is arranged outside.
When the vertical muscle 303 of beam can't be walked around the post hollow steel tube 201 of frame column 2, be directly to be welded on described post hollow steel tube 201 with reinforcing bar connector.
The cross section of the post hollow steel tube 201 in frame column 2 is circle or rectangle.
The cross section of the beam hollow steel tube 301 in Vierendeel girder 3 is rectangles.
The material of the beam hollow steel tube 301 in the post hollow steel tube 201 in frame column 2 and Vierendeel girder 3 is common iron or high-strength steel.
The material of the beam concrete 302 in the post concrete 202 in frame column 2 and Vierendeel girder 3 is ordinary concrete or high-strength concrete.
Radially extend enforced loop plane in forming in the post hollow steel tube 201 of outer annular-stiffer plate 401 in the frame column 2.
Carry out in structural system of the present utility model cross section, rigidity is large, from heavy and light, antidetonation is superior, fire-resistant and corrosion resistance and good, can reduce concrete amount simultaneously, accelerates speed of application, has economic benefit preferably.Be applicable to the agent structure system as large-scale high level, Super High or mammoth structure.

Claims (8)

1. steel pipe-reinforced concrete sandwich frame structure system, it is characterized in that, it is the post and lintel system that comprises in any one form of structure of frame construction, frame shear wall structure and suspended structure, comprise frame column (2), Vierendeel girder (3) and as the node (4) of beam, column jointing gusset, wherein:
Frame column (2), it is a kind of frame column of interior hollow steel tube-reinforced concrete enveloped, the inner post hollow steel tube (201) that adopts, be surrounded by post concrete (202) outside described post hollow steel tube (201), at least arrange longitudinally that at each angle of described post concrete (202) a post indulges muscle (203), hoop has multi-turn column tie-bar (204) from top to bottom in described post concrete (202)
Vierendeel girder (3), it is a kind of Vierendeel girder of interior hollow steel tube-reinforced concrete enveloped, the inner beam hollow steel tube (301) that adopts, be surrounded by beam concrete (302) outside described beam hollow steel tube (301), at each angle of described beam concrete (302) along arranging at least that laterally a beam indulges muscle (303), from left to right hoop has multi-turn beam stirrup (304) in described beam concrete (302)
node (4), post hollow steel tube (201) in frame column (2) and the join domain of the beam hollow steel tube (301) in Vierendeel girder (3) are provided with outer annular-stiffer plate (401), the post hollow steel tube (201) of described frame column (2) connects, 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), described beam stirrup (304) is encrypted in the number of turns of node area.
2. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, is characterized in that, on enforced loop plane (401), stiffening rib arranged outside.
3. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, it is characterized in that, when the vertical muscle (303) of beam can't be walked around the post hollow steel tube (201) of frame column (2), be directly to be welded on described post hollow steel tube (201) with reinforcing bar connector.
4. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, is characterized in that, the cross section of the post hollow steel tube (201) in described frame column (2) is circle or rectangle.
5. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, is characterized in that, the cross section of the beam hollow steel tube (301) in described Vierendeel girder (3) is rectangle.
6. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, it is characterized in that, the post hollow steel tube (201) in described frame column (2) and the material of the beam hollow steel tube (301) in Vierendeel girder (3) are common iron or high-strength steel.
7. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, it is characterized in that, the post concrete (202) in described frame column (2) and the material of the beam concrete (302) in Vierendeel girder (3) are ordinary concrete or high-strength concrete.
8. a kind of steel pipe according to claim 1-reinforced concrete sandwich frame structure system, is characterized in that, radially extends enforced loop plane in forming in the post hollow steel tube (201) of described outer annular-stiffer plate (401) in the frame column (2).
CN 201220640766 2012-11-28 2012-11-28 Steel-tube-reinforced-concrete overlapped frame structure system Withdrawn - After Issue CN202990101U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979179A (en) * 2012-11-28 2013-03-20 清华大学 Steel pipe-reinforced concrete laminated framework structural system
CN103306402A (en) * 2013-06-26 2013-09-18 中国十七冶集团有限公司 Non-superimposition beam type fabricated frame-shear wall connection structure and construction method thereof
CN106917451A (en) * 2017-03-21 2017-07-04 中国航空规划设计研究总院有限公司 The anti-seismic frame structure system and its construction method of a kind of one side corridor tier building
CN113309293A (en) * 2021-06-07 2021-08-27 四川大学 Compound muscle reinforcing ECC-cross stiffening rib square steel tube hollow column

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979179A (en) * 2012-11-28 2013-03-20 清华大学 Steel pipe-reinforced concrete laminated framework structural system
CN102979179B (en) * 2012-11-28 2015-12-09 清华大学 The pipe-reinforced concrete superimposed frame structure system of a kind of steel
CN103306402A (en) * 2013-06-26 2013-09-18 中国十七冶集团有限公司 Non-superimposition beam type fabricated frame-shear wall connection structure and construction method thereof
CN103306402B (en) * 2013-06-26 2015-04-08 中国十七冶集团有限公司 Non-superimposition beam type fabricated frame-shear wall connection structure and construction method thereof
CN106917451A (en) * 2017-03-21 2017-07-04 中国航空规划设计研究总院有限公司 The anti-seismic frame structure system and its construction method of a kind of one side corridor tier building
CN113309293A (en) * 2021-06-07 2021-08-27 四川大学 Compound muscle reinforcing ECC-cross stiffening rib square steel tube hollow column

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AV01 Patent right actively abandoned

Granted publication date: 20130612

Effective date of abandoning: 20151209

C25 Abandonment of patent right or utility model to avoid double patenting