CN110344332A - Support is used in bridge king-tower entablature construction - Google Patents
Support is used in bridge king-tower entablature construction Download PDFInfo
- Publication number
- CN110344332A CN110344332A CN201910641788.7A CN201910641788A CN110344332A CN 110344332 A CN110344332 A CN 110344332A CN 201910641788 A CN201910641788 A CN 201910641788A CN 110344332 A CN110344332 A CN 110344332A
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- China
- Prior art keywords
- king
- steel
- bracket
- main tower
- bearing frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 238000009434 installation Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000003351 stiffener Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a support for constructing an upper cross beam of a main tower of a bridge, which comprises: the structure comprises two main tower towers which are oppositely arranged left and right, a plurality of assembled brackets which are connected with the two main tower towers in parallel in the longitudinal bridge direction between the two main tower towers, oblique leg bearing frames and arch-shaped steel trusses, wherein the assembled brackets are arranged at the tops of all the assembled brackets side by side, the oblique leg bearing frames and the assembled brackets are welded into a whole through the stiffening plates at the tops of the brackets, the longitudinal bridge direction is arranged at the structural joint of the oblique leg bearing frames, the arch-shaped steel trusses are arranged on the bearing beams in the longitudinal bridge direction, and therefore the shaping truss which is used for supporting the upper cross beam of the main tower is formed. The invention has the advantages that: simple structure, the installation is dismantled conveniently, and the material quantity is few, and use cost is low, and high altitude steel construction hoist and mount risk is little, and the construction safety is high, and construction period is short.
Description
Technical field
The present invention relates to technical field of bridge construction, and in particular to bracket is used in a kind of construction of bridge main tower upper beam.
Background technique
King-tower is one of important primary structure member of bridge, is primarily subjected to the pressure of main push-towing rope transmitting.For the cross for increasing king-tower
To rigidity, guarantees the reasonability of structure stress, upper beam and lower beam can be generally set between two king-posts of king-tower.For
King-tower upper beam, carries out construction and installation at present with floor stands such as steel pipe scaffold or steel pipe columns, and this form of construction work is deposited
Big in timbering material dosage, use cost is high, and high-altitude steel structure lifting risk is big, and working security is low, and construction period length etc. lacks
Point.
Summary of the invention
The bridge main tower upper beam low and high working security the object of the present invention is to provide a kind of use cost, which is constructed, to be used
Bracket.
To achieve the above object, present invention employs following technical solutions: a kind of bridge main tower upper beam construction
With bracket, comprising: two or so the king-tower king-posts being oppositely arranged, assembled bracket, battered leg bearing frame, arch steel truss,
It is characterized in that: indulging bridge between two king-tower king-posts in the front and back assembleds arranged side by side for having two king-tower king-posts of several connections
Stiffener is arranged in bracket, the top of all assembled brackets, and battered leg bearing frame passes through putting more energy at the top of bracket with assembled bracket
Plate welding is integral, and vertical bridge is arranged to spandrel girder in battered leg bearing frame structural attachments, and bridge is indulged on spandrel girder to being arranged
Arch steel truss, to form the sizing truss to holding king-tower upper beam.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: pre- in king-post concreting
After staying lock hole and load-bearing groove, all assembled brackets to be inserted into king-post load-bearing grooves, pass through the finish rolling for running through king-post lock hole
Screw-thread steel is fixed with king-post.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: battered leg bearing frame structure includes:
Multi-disc battered leg bearing frame indulges bridge to being arranged side by side, and connects to form entirety by channel steel between each battered leg bearing frame, with enhancing structure
Overall stability；Using the strong feature of steel-tube construction axial push-pull, battered leg bearing frame is made of oblique steel pipe with horizontal steel tube, oblique steel
Pipe and horizontal steel tube junction, oblique steel pipe is whole, horizontal steel tube interruption, and is put more energy into connecting node using 2 punching steel plates
It is fixed.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: the specific connection of battered leg bearing frame
Structure are as follows: in horizontal steel tube and oblique steel pipe tie point close to middle part side, horizontal steel tube and load-bearing bracket, oblique steel pipe and load-bearing ox
Leg connection is respectively arranged with ring flange, and structure is fixed together by the way that ring flange butt-joint locking is detachably connected, and convenient point
Piece assembling and disassembling.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: monolithic battered leg bearing frame passes through each
Ring flange is divided into three parts, and when installation is first symmetrically installed two sides battered leg tripod, and fixes with king-post bracket, finally installation middle part
Close up horizontal tube.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: in horizontal steel tube and load-bearing bracket
Link position, oblique steel pipe connect top with horizontal steel tube, longitudinal spandrel girder are arranged, it is ensured that steel pipe frame is primarily subjected to axle power, prevents
Structure generates larger moment of flexure.
Further, a kind of bridge main tower upper beam construction bracket above-mentioned, in which: arch steel truss specifically connects
Binding structure are as follows: formed mainly due to upright bar horizon bar and brace, each rod piece is fashioned iron or I-steel, and node link position uses steel
Plate is put more energy into, and arch ring radian is identical as crossbeam radian, and lower part is connect with spandrel girder, is connected between each longitudinal by I-steel between each node
It connects, is formed whole.
Through the implementation of the above technical solution, convenient to install and maintain the beneficial effects of the present invention are: structure is simple, material
Dosage is few, and use cost is low, and high-altitude steel structure lifting risk is small, and working security is high, and the construction period is short.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that bracket is used in a kind of bridge main tower upper beam construction of the present invention.
Fig. 2 is the enlarged diagram at the position E shown in Fig. 1.
Fig. 3 is the enlarged diagram at the position F shown in Fig. 1.
Fig. 4 is the enlarged diagram at the position G shown in Fig. 1.
Fig. 5 is the positional diagram of each battered leg bearing frame in Fig. 1 overlook direction.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of bridge main tower upper beam construction bracket, comprising: two
A or so king-tower king-post 1 being oppositely arranged, assembled bracket 8, battered leg bearing frame, arch steel truss 4, in this example,
Bridge is indulged between two king-tower king-posts 1 to the assembled bracket 8 for there are two king-tower king-posts of several connections is arranged side by side in front and back, is owned
Stiffener is arranged in the top of assembled bracket, and battered leg bearing frame is welded into assembled bracket by the stiffener at the top of bracket whole
Vertical bridge is arranged to spandrel girder 9 in battered leg bearing frame structural attachments in body, and bridge is indulged on spandrel girder 9 to arch fashioned iron is arranged
Truss 4, to form the sizing truss to holding king-tower upper beam.
In this example, lock hole and load-bearing groove are reserved in 1 concreting of king-post, all assembled brackets 8 are inserted
After entering king-post load-bearing groove, fixed by the fining twisted steel through king-post lock hole with king-post.
In this example, battered leg bearing frame structure includes: that multi-disc battered leg bearing frame indulges bridge to being arranged side by side, and each battered leg is held
Entirety is formed by channel steel lateral 5 and the connection of bridging 6 between weight frame, with enhancing structure overall stability；Utilize steel-tube construction axis
The feature strong to tension and compression, battered leg bearing frame are made of oblique steel pipe 11 and horizontal steel tube 21 and 22, oblique steel pipe 11 and horizontal steel tube 21
Junction, oblique steel pipe 11 be it is whole, horizontal steel tube 21 is interrupted, and is put more energy into fixation in connecting node using two panels punching steel plate 10.
In horizontal steel tube 21 and oblique 11 tie point of steel pipe close to middle part side, horizontal steel tube 21 and load-bearing bracket 8, oblique steel pipe 11 and load-bearing
The connection of bracket 8 is respectively arranged with ring flange 7, and structure is fixed together by the way that 7 butt-joint locking of ring flange is detachably connected, side
Just fragment assembling and disassembling.
In this example, top is connect with 8 link position of load-bearing bracket, oblique steel pipe 11 with horizontal steel tube 21 in horizontal steel tube 21
Longitudinal spandrel girder 9 is arranged in portion, it is ensured that steel pipe frame is primarily subjected to axle power, prevents structure from generating larger moment of flexure.
In this example, the specific connection structure of arch steel truss 4 are as follows: mainly due to upright bar horizon bar and brace group
At each rod piece is fashioned iron or I-steel, and node link position is put more energy into using steel plate, and arch ring radian is identical as crossbeam radian, lower part
It connect with spandrel girder, is connected between each longitudinal by I-steel between each node, formed whole.
When installation, monolithic battered leg bearing frame is divided by each ring flange 7 for three parts, first in back court by assembled bracket 8 and
Then two sides battered leg tripod G and arch steel truss 4 are symmetrically installed two sides battered leg triangle using tower crane in back court machine-shaping
Frame G, and it is fixed by ring flange 7 with load-bearing bracket 8, and finally horizontal tube 22 is closed up in installation, closes up peace to each battered leg bearing frame
After the completion of dress, lateral 5 forms entirety with regard to bridging 6 between installing battered leg bearing frame, and in battered leg bearing frame, gradually installation is held in order
Weight beam 9 and arch steel truss 4 complete the installation of bridge main tower upper beam bracket.
The invention has the advantages that structure is simple, easy for assemble or unload, material utilization amount is few, and use cost is low, high-altitude steel structure
It is small to lift risk, working security is high, and the construction period is short.
Claims (7)
1. a kind of bridge main tower upper beam construction bracket, comprising: two or so the king-tower king-posts being oppositely arranged, assembled ox
Leg, battered leg bearing frame, arch steel truss, it is characterised in that: indulge bridge between two king-tower king-posts and be arranged side by side in front and back
There is the assembled bracket of two king-tower king-posts of several connections, stiffener, battered leg bearing frame is arranged in the top of all assembled brackets
It is integral by the stiffener welding at the top of bracket with assembled bracket, in battered leg bearing frame structural attachments, vertical bridge Xiang Cheng is set
Weight beam indulges bridge to arch steel truss is arranged, to form the sizing truss to holding king-tower upper beam on spandrel girder.
2. a kind of bridge main tower upper beam construction bracket according to claim 1, it is characterised in that: in king-post concrete
Lock hole and load-bearing groove are reserved when pouring, after all assembled brackets are inserted into king-post load-bearing grooves, by locking through king-post
The fining twisted steel in hole is fixed with king-post.
3. a kind of bridge main tower upper beam construction bracket according to claim 1 or 2, it is characterised in that: battered leg load-bearing
Frame structure includes: that multi-disc battered leg bearing frame indulges bridge to being arranged side by side, and connects to form entirety by channel steel between each battered leg bearing frame,
With enhancing structure overall stability, using the strong feature of steel-tube construction axial push-pull, battered leg bearing frame is by oblique steel pipe and horizontal steel
Pipe composition, oblique steel pipe and horizontal steel tube junction, oblique steel pipe is whole, horizontal steel tube interruption, and is worn in connecting node using 2
Heart steel plate is put more energy into fixation.
4. a kind of bridge main tower upper beam construction bracket according to claim 3, it is characterised in that: battered leg bearing frame
Specific connection structure are as follows: in horizontal steel tube and oblique steel pipe tie point close to middle part side, horizontal steel tube and load-bearing bracket, oblique steel pipe
It is connect with load-bearing bracket and is respectively arranged with ring flange, structure is fixed on one by the way that ring flange butt-joint locking is detachably connected
It rises, facilitates fragment assembling and disassembling.
5. a kind of bridge main tower upper beam construction bracket according to claim 1 or 4, it is characterised in that: monolithic battered leg
Bearing frame is divided into three parts by each ring flange, and when installation is first symmetrically installed two sides battered leg tripod, and fixes with king-post bracket,
Finally installation middle part closes up horizontal tube.
6. a kind of bridge main tower upper beam construction bracket according to claim 1, it is characterised in that: horizontal steel tube with
Load-bearing bracket link position, oblique steel pipe connect top with horizontal steel tube, longitudinal spandrel girder are arranged, it is ensured that steel pipe frame is primarily subjected to axis
Power prevents structure from generating larger moment of flexure.
7. a kind of bridge main tower upper beam construction bracket according to claim 1, it is characterised in that:
The specific connection structure of arch steel truss are as follows: formed mainly due to upright bar horizon bar and brace, each rod piece be fashioned iron or
I-steel, node link position are put more energy into using steel plate, and arch ring radian is identical as crossbeam radian, and lower part is connect with spandrel girder, longitudinal
It is connected, is formed whole by I-steel between each node between each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641788.7A CN110344332A (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641788.7A CN110344332A (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110344332A true CN110344332A (en) | 2019-10-18 |
Family
ID=68175486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910641788.7A Pending CN110344332A (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914223A (en) * | 2021-10-15 | 2022-01-11 | 中建桥梁有限公司 | High-pier arc-shaped upper cross beam light-weight bracket system and mounting method thereof |
| CN114541270A (en) * | 2022-03-16 | 2022-05-27 | 中铁大桥局集团有限公司 | Cross beam support structure with main tower column cross bracing function and using method |
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|---|---|---|---|---|
| JPH0617406A (en) * | 1992-06-30 | 1994-01-25 | Maeda Corp | Cast-in-place concrete horizontal member erection method |
| CN202577158U (en) * | 2012-05-07 | 2012-12-05 | 中铁大桥局集团第五工程有限公司 | Hyperbolic cable tower cross beam adjusting bracket |
| CN103898836A (en) * | 2014-03-03 | 2014-07-02 | 中铁港航局集团有限公司 | Method for construction of high upper beam steel oblique leg prestress support of H-shaped cable bent tower of cable-stayed bridge |
| CN104213508A (en) * | 2013-09-02 | 2014-12-17 | 中铁十六局集团第一工程有限公司 | Method for controlling displacement of tower columns through cross braces and external cables |
| CN104532749A (en) * | 2014-12-18 | 2015-04-22 | 中铁建设集团有限公司 | Support used for construction of upper beam of main tower of suspension bridge |
| CN105544398A (en) * | 2015-12-15 | 2016-05-04 | 中建交通建设集团有限公司 | Horizontal force self-balancing type splayed heavy type upper air support system and installation method thereof |
| CN106400686A (en) * | 2016-04-27 | 2017-02-15 | 北京城建道桥建设集团有限公司 | Embedded part suspension bracket and construction method thereof |
| CN206396646U (en) * | 2016-12-29 | 2017-08-11 | 中交第三航务工程局有限公司 | The construction bracket of the longitudinal binder of the double rope face low-pylon cable-stayed bridge bridge towers of double tower |
| CN207392053U (en) * | 2017-07-13 | 2018-05-22 | 中交二航局第四工程有限公司 | A kind of alignment control device suitable for steel construction abnormity tower |
| CN109881587A (en) * | 2019-03-26 | 2019-06-14 | 中铁大桥局集团有限公司 | King-tower upper beam bracket integral installation method under a kind of strong wind atmosphere |
| CN210737378U (en) * | 2019-07-16 | 2020-06-12 | 中交一公局第二工程有限公司 | Support is used in bridge king-tower entablature construction |
-
2019
- 2019-07-16 CN CN201910641788.7A patent/CN110344332A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617406A (en) * | 1992-06-30 | 1994-01-25 | Maeda Corp | Cast-in-place concrete horizontal member erection method |
| CN202577158U (en) * | 2012-05-07 | 2012-12-05 | 中铁大桥局集团第五工程有限公司 | Hyperbolic cable tower cross beam adjusting bracket |
| CN104213508A (en) * | 2013-09-02 | 2014-12-17 | 中铁十六局集团第一工程有限公司 | Method for controlling displacement of tower columns through cross braces and external cables |
| CN103898836A (en) * | 2014-03-03 | 2014-07-02 | 中铁港航局集团有限公司 | Method for construction of high upper beam steel oblique leg prestress support of H-shaped cable bent tower of cable-stayed bridge |
| CN104532749A (en) * | 2014-12-18 | 2015-04-22 | 中铁建设集团有限公司 | Support used for construction of upper beam of main tower of suspension bridge |
| CN105544398A (en) * | 2015-12-15 | 2016-05-04 | 中建交通建设集团有限公司 | Horizontal force self-balancing type splayed heavy type upper air support system and installation method thereof |
| CN106400686A (en) * | 2016-04-27 | 2017-02-15 | 北京城建道桥建设集团有限公司 | Embedded part suspension bracket and construction method thereof |
| CN206396646U (en) * | 2016-12-29 | 2017-08-11 | 中交第三航务工程局有限公司 | The construction bracket of the longitudinal binder of the double rope face low-pylon cable-stayed bridge bridge towers of double tower |
| CN207392053U (en) * | 2017-07-13 | 2018-05-22 | 中交二航局第四工程有限公司 | A kind of alignment control device suitable for steel construction abnormity tower |
| CN109881587A (en) * | 2019-03-26 | 2019-06-14 | 中铁大桥局集团有限公司 | King-tower upper beam bracket integral installation method under a kind of strong wind atmosphere |
| CN210737378U (en) * | 2019-07-16 | 2020-06-12 | 中交一公局第二工程有限公司 | Support is used in bridge king-tower entablature construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914223A (en) * | 2021-10-15 | 2022-01-11 | 中建桥梁有限公司 | High-pier arc-shaped upper cross beam light-weight bracket system and mounting method thereof |
| CN114541270A (en) * | 2022-03-16 | 2022-05-27 | 中铁大桥局集团有限公司 | Cross beam support structure with main tower column cross bracing function and using method |
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