CN203924115U - A kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar - Google Patents

A kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar Download PDF

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Publication number
CN203924115U
CN203924115U CN201420341450.2U CN201420341450U CN203924115U CN 203924115 U CN203924115 U CN 203924115U CN 201420341450 U CN201420341450 U CN 201420341450U CN 203924115 U CN203924115 U CN 203924115U
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China
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reinforcing bar
column
post
shell
section
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Withdrawn - After Issue
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CN201420341450.2U
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Chinese (zh)
Inventor
杨开屏
王俊
郭建鹏
王鹏
张毓斌
毛念华
朱小蓉
蔡乐
张维驿
李明涛
吕娉霏
张琪
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China Railway First Survey and Design Institute Group Ltd
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China Railway First Survey and Design Institute Group Ltd
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Abstract

The utility model relates to a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar.Subway overhead station, because road conditions limits, need to arrange transformational structure, and ordinary reinforced concrete transformational structure can not provide good load-carrying properties and anti-seismic performance.The utility model comprises reinforcing bar cantilever beam section and the middle reinforcing bar middle girder section of reinforcing bar shell of column and short beam thereof, both sides, and short beam and reinforcing bar cantilever beam section and reinforcing bar middle girder section fix by reinforcing bar scab and high-strength bolt; Reinforced concrete column pars infrasegmentalis and reinforcing bar cantilever beam section end are provided with the changeover portion of variable cross-section; Reinforcing bar shell of column bean column node place is provided with post reinforcing bar junction plate and beam steel branch sleeve; Underpin and on the beam body of post position, be provided with holder post node post muscle through hole stiffening plate and holder post node steel frame beam section stiffener.Reinforcing bar of the present utility model is constructed transformational structure, and member bending resistance, shear-carrying capacity are large, is out of shape littlely, and anti-seismic performance improves, and in subway twin columns overhead station, is with a wide range of applications.

Description

A kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar
Technical field
the utility model belongs to subway engineering technical field of structures, is specifically related to a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar.
Background technology
Overhead station in subway, due to the restriction of road conditions, the entire infrastructure member that does not allow to build in drop shadow spread falls to putting on the ground, therefore, in order not only to guarantee the current requirement of road but also to realize the use function at station, in structural system, there is transformational structure AT STATION.Transformational structure has solved the implementation problem at station, the demand that can implementation structure system top and the bottom adopts different post nets, it is few that bottom is occupied road, adopts the form that only structural column lands, the service function at assurance station, top, still maintains the normal building post net of subway concourse, platform.Being characterized as of twin columns overhead station transformational structure, adopts twin columns single span framework, and both sides are with the section of encorbelmenting more greatly.Because driving requires to make the Deformation control of overhead station strict, and station post net is large, load-bearing subordinate area is large, both sides crossbeam cantilever span is large, therefore common steel concrete transformational structure can not provide good load-carrying properties and anti-seismic performance, transformational structure system employing steel reinforced concrete structure preferably.
Utility model content
The purpose of this utility model is to provide a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar, effectively improves bending resistance, shear-carrying capacity and the anti-earthquake ductility of conversion beam.
The technical scheme that the utility model adopts is:
A subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar, is characterized in that:
The reinforcing bar cantilever beam section and the middle reinforcing bar middle girder section that comprise reinforcing bar shell of column and short beam thereof, both sides, all adopt H shaped steel;
Reinforcing bar shell of column is two, is erected in side by side on basis; The edge of a wing of both sides, reinforcing bar shell of column top is all connected with short beam; The two reinforcing bar shell of columns separately web of the outside short beam web by the reinforcing bar cantilever beam section of reinforcing bar scab and high-strength bolt and level fix, and the web of inner side short beam fixes by the web of the reinforcing bar middle girder section of reinforcing bar scab and high-strength bolt and same level;
Reinforced concrete column pars infrasegmentalis is provided with the changeover portion of variable cross-section, and web width and flange width all successively decrease downwards;
The web width of reinforcing bar cantilever beam section is outwards successively decreased, and the flange width of end transits to 1/2 wide from overall with, and 1/2 wide top, the edge of a wing is for underpining post position;
The top, the edge of a wing at reinforcing bar middle girder section middle part is for underpining post position.
Pre-buried shell of column suspension column base plate Joint in reinforcing bar shell of column bottom and basis, is fixed with the column bolt being embedded in equally in advance in basis on shell of column suspension column base plate;
Between the web both sides of reinforcing bar shell of column suspension column and edge of a wing outside and shell of column suspension column base plate, be all welded with the shell of column suspension column floor of putting more energy into.
The bottom surface, top flange that reinforcing bar cantilever beam section end underpins post below is fixed with holder post node post muscle through hole stiffening plate one, and web both sides are all fixed with holder post node steel frame beam section stiffener one;
The bottom surface, top flange that reinforcing bar middle girder section middle part underpins post below is fixed with twice holder post node post muscle through hole stiffening plate, and web both sides are all fixed with twice holder post node steel frame beam section stiffener.
The edge of a wing outside at reinforcing bar shell of column bean column node place is provided with post reinforcing bar junction plate, and by three risers perpendicular to the edge of a wing and riser top, the level board perpendicular to the edge of a wing forms post reinforcing bar junction plate.
In the reinforcing bar shell of column edge of a wing of post reinforcing bar junction plate top, be interspersed with the beam steel branch sleeve that horizontally-arranged is arranged.
The web of reinforcing bar shell of column and the edge of a wing all offer column tie-bar through hole, on the edge of a wing of reinforced concrete column pars infrasegmentalis changeover portion, are provided with reinforcing bar peg, reinforcing bar peg diameter 19mm, longitudinal pitch 200mm;
The upper and lower edge of a wing of reinforcing bar cantilever beam section is provided with reinforcing bar peg, reinforcing bar peg diameter 19mm, top flange longitudinal pitch 150mm, bottom flange spacing 200mm;
The top flange of reinforcing bar middle girder section is provided with reinforcing bar peg, peg diameter 19mm, longitudinal pitch 150mm.
The utlity model has following advantage:
1, this reinforcing bar inserts in the conversion beam of transformational structure, and stiffness of structural member is improved, and distortion reduces, better adapt to rigidity, the amount of deflection requirement of train operation, improve shear-carrying capacity and the anti-earthquake ductility of holder post conversion beam, post net that can flexible arrangement conversion beam top, meets station service function simultaneously.
2, this reinforcing bar inserts in the support column under conversion beam, and the anti-earthquake ductility of bean column node has been improved in the extension of reinforcing bar in post, reinforced frame Lateral resisting ability, and improve the shear behavior of column section.
3, this reinforcing bar node factory is can processing stage high, and joint connection in site mode is simple, being beneficial to construction and implementing.
Accompanying drawing explanation
Fig. 1 is reinforcing bar drawing in side sectional elevation of the present utility model;
Fig. 2 is reinforcing bar top view of the present utility model;
Fig. 3 is reinforcing bar lateral plan of the present utility model.
In figure, 1-reinforcing bar shell of column, 2-reinforcing bar cantilever beam section, 3-reinforcing bar middle girder section, 4-reinforcing bar scab and high-strength bolt, 5-post reinforcing bar junction plate, 6-beam steel branch sleeve, 7-reinforcing bar peg, the 8-shell of column suspension column floor of putting more energy into, 9-shell of column suspension column base plate, 10-column bolt, 11-holder post node steel frame beam section stiffener, 12-holder post node post muscle through hole stiffening plate, 13-underpins post, 14-basis.
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is described in detail.
The subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar that the utility model relates to, comprises reinforcing bar shell of column 1 and short beam thereof, reinforcing bar cantilever beam section 2 and reinforcing bar middle girder section 3, all adopts H shaped steel.
Reinforcing bar shell of column 1 is two, is erected in side by side on basis 14; The edge of a wing of reinforcing bar shell of column 1 both sides, top is all connected with short beam; The two reinforcing bar shell of columns 1 separately web of outside short beam fix with the web of the reinforcing bar cantilever beam section 2 of level by reinforcing bar scab and high-strength bolt 4, and the web of inner side short beam fixes with the web of the reinforcing bar middle girder section 3 of same level by reinforcing bar scab and high-strength bolt 4.
Reinforcing bar shell of column 1 bottom is provided with the changeover portion of variable cross-section, and web width and flange width all successively decrease downwards.The web width of reinforcing bar cantilever beam section 2 is outwards successively decreased, and the flange width of end transits to 1/2 wide from overall with, and 1/2 wide top, the edge of a wing is for underpining post 13 positions.In reinforcing bar cantilever beam section 2 ends, arrange while underpining post 13, the upper and lower flange width of reinforcing bar cantilever beam section 2 is reduced to half, and adopt changeover portion to be connected, the reinforcing bar edge of a wing of narrowing, is beneficial to the reinforcing bar that underpins post 13 and runs through.The top, the edge of a wing at reinforcing bar middle girder section 3 middle parts is for underpining post 13 positions.
Reinforcing bar shell of column 1 bottom and basis pre-buried shell of column suspension column base plate 9 Joints in 14, are fixed with the column bolt 10 being embedded in equally in advance in basis 14 on shell of column suspension column base plate 9.Between the web both sides of reinforcing bar shell of column 1 suspension column and edge of a wing outside and shell of column suspension column base plate 9, be all welded with the shell of column suspension column floor 8 of putting more energy into.
The bottom surface, top flange that reinforcing bar cantilever beam section 2 ends underpin post 13 belows is fixed with holder post node post muscle through hole stiffening plate 12 one, and web both sides are all fixed with holder post node steel frame beam section stiffener 11 one, improves the shear-carrying capacity of node.The bottom surface, top flange that reinforcing bar middle girder section 3 middle parts underpin post 13 belows is fixed with twice holder post node post muscle through hole stiffening plate 12, and web both sides are all fixed with twice holder post node steel frame beam section stiffener 11, improves the shear-carrying capacity of node.
The edge of a wing outside at reinforcing bar shell of column 1 bean column node place is provided with post reinforcing bar junction plate 5, and by three risers perpendicular to the edge of a wing and riser top, the level board perpendicular to the edge of a wing forms post reinforcing bar junction plate 5, for connecting the post longitudinal reinforcement being blocked by joist steel bone.In reinforcing bar shell of column 1 edge of a wing of post reinforcing bar junction plate 5 tops, be interspersed with the beam steel branch sleeve 6 that horizontally-arranged is arranged, for the plain bars of connecting-type steel concrete conversion beam.
The web of reinforcing bar shell of column 1 and the edge of a wing all offer column tie-bar through hole, guarantee the connection that runs through of column tie-bar.On the edge of a wing of reinforcing bar shell of column 1 bottom changeover portion, be provided with reinforcing bar peg 7, reinforcing bar peg 7 diameter 19mm, longitudinal pitch 200mm, strengthens the power transmission between reinforcing bar and concrete material.The upper and lower edge of a wing of reinforcing bar cantilever beam section 2 is provided with reinforcing bar peg 7, reinforcing bar peg 7 diameter 19mm, and top flange longitudinal pitch 150mm, bottom flange spacing 200mm, strengthens the power transmission between reinforcing bar and concrete material.The top flange of reinforcing bar middle girder section 3 is provided with reinforcing bar peg 7, peg diameter 19mm, longitudinal pitch 150mm.
The construction method of the subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar that the utility model relates to, is specifically realized by following steps:
Step 1: the reinforcing bar shell of column 1 of prefabricated H shaped steel and short beam thereof, reinforcing bar cantilever beam section 2 and reinforcing bar middle girder section 3, be welded in reinforcing bar shell of column 1 both sides, top by short beam;
When prefabricated, in the bean column node place of reinforcing bar shell of column 1 prefabricated post reinforcing bar junction plate 5 and beam steel branch sleeve 6; Prefabricated perforate fixing reinforcing bar peg 7 in reinforcing bar shell of column 1 and short beam, reinforcing bar cantilever beam section 2 and reinforcing bar middle girder section 3; Prefabricated holder post node steel frame beam section stiffener 11 and holder post node post muscle through hole stiffening plate 12 in reinforcing bar cantilever beam section 2 and reinforcing bar middle girder section 3;
Step 2: perform basis 14, during construction in basis 14 interior pre-buried shell of column suspension column base plate 9 and column bolts 10;
Step 3: lifting reinforcing bar shell of column 1, in basic 14 end faces, welds mutually with shell of column suspension column base plate 9, and weld the shell of column suspension column floor 8 of putting more energy into;
Step 4: lifting reinforcing bar middle girder section 3, between reinforcing bar middle girder section 3 and short beam, settle reinforcing bar scab 4, and fixed by reinforcing bar peg 7;
Step 5: lifting reinforcing bar cantilever beam section 2, between reinforcing bar cantilever beam section 2 and short beam, settle reinforcing bar scab 4, and fixed by reinforcing bar peg 7.
All reinforcing bar plates and connector Jun factory complete blanking and welding, and reinforcing bar plate adopts full penetration butt weld splicing, weld seam grade secondary.Junction plate, stiffener adopts the T-shaped butt weld of partial penetration to connect.Reinforcing steel bar connecting sleeve tube adopts partial penetration to be connected with corner connection composite welds.
Reinforcing bar component conveying, to job site, carries out the node splicing of linkage section, the upper and lower frange plate employing of node location full penetration docking welding splicing, and weld seam grade is one-level, node location web adopts cuts the double shear connection that the type high-strength bolt of turning round adds junction plate.
After the reinforcing bar shell of column 1 of reinforcing bar, reinforcing bar cantilever beam section 2 and reinforcing bar middle girder section 3 have been spliced, start the plain bars colligation of steel reinforced concrete structure, the reinforcing bar being blocked by reinforcing bar node is on junction plate, employing twin fillet wolt connects, or connect by reinforcing steel bar connecting sleeve tube, the reinforcing bar that need to run through, passes in the through hole of offering in advance in factory.In section steel beam section, beam plain bars lacing wire Site Welding is on the web of reinforcing bar H shaped steel.Reinforcing bar binding starts concreting after completing and prop up vertical good post, beam forms, and concrete adopts the transportation of concrete transportation tank car, is pumped into mould, and placement layer by layer, carries out continuously, and poker vibrator vibrates.The concrete maximum aggregate diameter of steel reinforced concrete structure is by being less than 1/3 of thickness of concrete cover outside shaped steel, and should not be greater than 25mm and control.
It is cited that content of the present utility model is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model manual, is claim of the present utility model and contains.

Claims (6)

1. a subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar, is characterized in that:
Comprise the reinforcing bar cantilever beam section (2) of reinforcing bar shell of column (1) and short beam thereof, both sides and middle reinforcing bar middle girder section (3), all adopt H shaped steel;
Reinforcing bar shell of column (1) is two, is erected in side by side on basis (14); The edge of a wing of reinforcing bar shell of column (1) both sides, top is all connected with short beam; Two reinforcing bar shell of columns (1) the separately web of outside short beam fix with the web of the reinforcing bar cantilever beam section (2) of level by reinforcing bar scab and high-strength bolt (4), and the web of inner side short beam fixes with the web of the reinforcing bar middle girder section (3) of same level by reinforcing bar scab and high-strength bolt (4);
Reinforcing bar shell of column (1) bottom is provided with the changeover portion of variable cross-section, and web width and flange width all successively decrease downwards;
The web width of reinforcing bar cantilever beam section (2) is outwards successively decreased, and the flange width of end transits to 1/2 wide from overall with, and 1/2 wide top, the edge of a wing is for underpining post (13) position;
The top, the edge of a wing at reinforcing bar middle girder section (3) middle part is for underpining post (13) position.
2. a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar according to claim 1, is characterized in that:
Pre-buried shell of column suspension column base plate (9) Joint in reinforcing bar shell of column (1) bottom and basis (14), is fixed with the column bolt (10) being embedded in equally in advance in basis (14) on shell of column suspension column base plate (9);
Between the web both sides of reinforcing bar shell of column (1) suspension column and edge of a wing outside and shell of column suspension column base plate (9), be all welded with the shell of column suspension column floor (8) of putting more energy into.
3. a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar according to claim 2, is characterized in that:
The bottom surface, top flange that reinforcing bar cantilever beam section (2) end underpins post (13) below is fixed with one holder post node post muscle through hole stiffening plate (12), and web both sides are all fixed with one holder post node steel frame beam section stiffener (11);
The bottom surface, top flange that reinforcing bar middle girder section (3) middle part underpins post (13) below is fixed with twice holder post node post muscle through hole stiffening plate (12), and web both sides are all fixed with twice holder post node steel frame beam section stiffener (11).
4. a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar according to claim 3, is characterized in that:
The edge of a wing outside at reinforcing bar shell of column (1) bean column node place is provided with post reinforcing bar junction plate (5), and by three risers perpendicular to the edge of a wing and riser top, the level board perpendicular to the edge of a wing forms post reinforcing bar junction plate (5).
5. a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar according to claim 4, is characterized in that:
In reinforcing bar shell of column (1) edge of a wing of post reinforcing bar junction plate (5) top, be interspersed with the beam steel branch sleeve (6) that horizontally-arranged is arranged.
6. a kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar according to claim 5, is characterized in that:
Web and the edge of a wing of reinforcing bar shell of column (1) all offer column tie-bar through hole, are provided with reinforcing bar peg (7), reinforcing bar peg (7) diameter 19mm, longitudinal pitch 200mm on the edge of a wing of reinforcing bar shell of column (1) bottom changeover portion;
The upper and lower edge of a wing of reinforcing bar cantilever beam section (2) is provided with reinforcing bar peg (7), reinforcing bar peg (7) diameter 19mm, top flange longitudinal pitch 150mm, bottom flange spacing 200mm;
The top flange of reinforcing bar middle girder section (3) is provided with reinforcing bar peg (7), peg diameter 19mm, longitudinal pitch 150mm.
CN201420341450.2U 2014-06-25 2014-06-25 A kind of subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar Withdrawn - After Issue CN203924115U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104018521A (en) * 2014-06-25 2014-09-03 中铁第一勘察设计院集团有限公司 Metro double-column elevated station steel reinforced concrete transformation structure reinforcing bar and construction method thereof
CN106522419A (en) * 2016-12-30 2017-03-22 香港华艺设计顾问(深圳)有限公司 Column-supported-by-beam transfer beam with steel plate reinforced concrete shear walls arranged in adjacent spans
CN109208757A (en) * 2018-10-25 2019-01-15 安徽建筑大学 Novel steel beam column connecting node

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104018521A (en) * 2014-06-25 2014-09-03 中铁第一勘察设计院集团有限公司 Metro double-column elevated station steel reinforced concrete transformation structure reinforcing bar and construction method thereof
CN104018521B (en) * 2014-06-25 2015-10-07 中铁第一勘察设计院集团有限公司 Subway twin columns overhead station steel reinforced concrete transformational structure reinforcing bar and construction method thereof
CN106522419A (en) * 2016-12-30 2017-03-22 香港华艺设计顾问(深圳)有限公司 Column-supported-by-beam transfer beam with steel plate reinforced concrete shear walls arranged in adjacent spans
CN109208757A (en) * 2018-10-25 2019-01-15 安徽建筑大学 Novel steel beam column connecting node

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141105

Effective date of abandoning: 20151007

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