CN208995937U - Mounting bracket is slid suitable for the S type steel box girder of cable stayed bridge above subway station - Google Patents
Mounting bracket is slid suitable for the S type steel box girder of cable stayed bridge above subway station Download PDFInfo
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- CN208995937U CN208995937U CN201821372573.7U CN201821372573U CN208995937U CN 208995937 U CN208995937 U CN 208995937U CN 201821372573 U CN201821372573 U CN 201821372573U CN 208995937 U CN208995937 U CN 208995937U
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Abstract
The utility model provides a kind of S type steel box girder of cable stayed bridge sliding mounting bracket suitable for above subway station, and including bracket basis and the steel-pipe pile bracket being arranged on bracket basis, bracket basis is to pour monolithic concrete structure on the ground along bracket sliding zones；Steel-pipe pile bracket includes multiple carrier units, each carrier unit includes the steel pipe post that 4 lower ends are fixed on bracket basis, multiple carrier units are on bracket basis along bridge to lining up two parallel column, direction across bridge is erected with crossbeam between two steel pipe post upper ends on each carrier unit, it is located on the outside of track girder on every crossbeam to the track girder being supported on crossbeam is set up along bridge on each column carrier unit and is equipped with support jack.The utility model can be used beam car and transport steel box-girder along track on bracket, avoid causing excessive concentration pressure loading above subway station.
Description
Technical field
The utility model belongs to CONSTRUCTION OF CABLE-STAYED BRIDGE technical field, and in particular to a kind of " S " above city underground station
Type cable-stayed bridge slides mounting bracket.
Background technique
For municipal cable-stayed bridge when land is constructed, steel box-girder generally carries out lifting installation using large-scale crane.Due to cable-stayed bridge
The every segment length of steel box-girder is longer so overall weight is larger, and load is larger on the ground for crane position when will lead to lifting.
There are subway or underground parkings when in urban district, some Special zones carry out bridge construction, such as below earth's surface, to foundation bearing
Power there are certain requirements, and foundation bearing capacity in its top range is distinctly claimed in job specfication and is not greater than 20KN/ ㎡, therefore herein
When class area is constructed, lift-on/lift-off system construction is subject to certain restrictions.For example, certain municipal cable-stayed bridge of the applicant's construction, steel box girder section
Section is generally in 17m or so, and about more than 20 tons of every linear meter(lin.m.) weight, steel box-girder integral linear is " S " type and upper trans-city subway station, if
It is constructed using lift-on/lift-off system, the limitation far beyond 20KN/ ㎡ is transported safety battalion to subway by the ground concentrfated load in crane lifting area
It impacts, it is therefore necessary to explore a kind of form of construction work for being able to satisfy above-mentioned environmental condition.
Summary of the invention
The purpose of this utility model is that being not applied for construction above subway station for steel box girder of cable stayed bridge lift-on/lift-off system
Problem proposes that a kind of S type steel box girder of cable stayed bridge suitable for above subway station slides mounting bracket, sliding method can be used and carry out steel
Pile equipment construction, and it is able to satisfy the limitation requirement above subway station to foundation bearing capacity.
The technical solution of the utility model is as follows:
A kind of S type steel box girder of cable stayed bridge sliding mounting bracket suitable for above subway station, including bracket basis and setting
Steel-pipe pile bracket on bracket basis, it is characterised in that: the bracket basis is to pour on the ground along bracket sliding zones
Monolithic concrete structure；The steel-pipe pile bracket includes multiple carrier units, and each carrier unit includes that 4 lower ends are fixed on
Steel pipe post on bracket basis is connected by diagonal brace with lateral between 4 steel pipe posts；Multiple carrier units are on bracket basis
Along bridge to two parallel column are lined up, direction across bridge is erected with crossbeam between two steel pipe post upper ends on each carrier unit,
Sliding rail is welded on the track girder to the track girder being supported on the crossbeam is set up along bridge on each column carrier unit；Every
It is located on the outside of the track girder on root crossbeam, is equipped with a support jack.
The utility model support configurations are simple, and raft template concrete foundation, bracket counter-force energy are arranged below bracket
Meet above subway no more than 20KN/m2Requirement；Sliding rail is set on bracket, is constructed using sliding method, large size lifting is set
It is standby not have to carry out steel box-girder lifting right above subway, it can ensure that subway station safety.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the utility model；
Fig. 2 is partial enlarged view at A in Fig. 1, shows the overlooking structure diagram of a carrier unit；
Fig. 3 is the suitable bridge an of carrier unit to structural schematic diagram；
Fig. 4 is the direction across bridge structural schematic diagram an of carrier unit；
Fig. 5 is the partial elevation view of bracket basis；
Fig. 6 is the direction across bridge use state diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model includes bracket basis 1 and the steel-pipe pile bracket 2 that is arranged on bracket basis, it is described
Bracket basis 1 is raft plate form, is the monolithic concrete structure poured along bracket sliding zones on the ground；The steel-pipe pile branch
Frame 2 includes multiple carrier units.As shown in Figure 2, Figure 3, Figure 4, each carrier unit includes that 4 lower ends are fixed on bracket basis
21,4 steel pipe posts 21 of steel pipe post between connected by diagonal brace 22 and lateral 23；Multiple carrier units are on bracket basis 1
Along bridge to two parallel column are lined up, direction across bridge is erected with crossbeam 24 between two steel pipe post upper ends on each carrier unit,
Sliding rail is welded on the track girder to the track girder 3 being supported on the crossbeam is set up along bridge on each column carrier unit；?
It is located on the outside of the track girder on every crossbeam, is equipped with a support jack 4.
As shown in figure 5, the utility model is when it is implemented, be the globality for guaranteeing bracket basis, in the mixed of bracket basis 1
It is equipped with horizontal steel mesh 11 in Xtah Crude Clay structure, and is equipped with lower reversed beam 12 that is a plurality of horizontally disposed and intersecting in length and breadth, it is described lower anti-
Beam 12 is equipped with elongated bottom and indulges muscle 13 and upper longitudinal bar 14, indulges muscle 13 around bottom and upper longitudinal bar 14 is welded at spacing intervals
Connect a ring-shaped stirrup 15；In the top surface of each infall for descending reversed beam in length and breadth, if a horizontal top plate 16,16 bottom of top plate
3 annular dowels 17 are welded, the annular dowel 17 is also welded with the upper longitudinal bar 14 of lower reversed beam simultaneously；The lower reversed beam
12 are integrated with bracket concreting.When bracket is installed, 21 lower end of every steel pipe post of steel-pipe pile bracket and bracket basis
On a top plate 16 be welded and fixed.
It,, can be along bridge in each column for convenience of constructing and guaranteeing construction safety when steel box-girder slides as shown in Fig. 4, Fig. 6
Operation platform 5 is set on the outside of cradle top, guardrail 6 is set on the outside of operation platform.It can be thick with 3cm directly on the crossbeam of bracket 24
6 meters long plank is arranged elongated scaffold board and has been fixedly secured plank as operation platform 5, and with iron wire.
The utility model is when it is implemented, bracket basis is installed by pouring other than load limitation area above subway to steel box-girder
Area；Multiple carrier units are in the unified production in production area, and each carrier unit is using 4 Φ 325*6 steel pipes as steel pipe post, cross
Beam uses Two bors d's oeuveres 32a# I-steel, and track girder uses Two bors d's oeuveres 40a I-steel, and upper welding 70*30mm rail steel is adopted between steel pipe post
Use 10# channel steel as lateral and diagonal brace.According to Bridge Beam baseline shape absolute altitude and bracket basis top surface built-in fitting elevation, by bracket steel
Tube column top cross-bar elevation of top surface control 125cm under bridge Beam Elevation.Carrier unit is refuted using automobile is short to installing zone
Domain install using 25 tons of truck cranes in place.Each carrier unit most weighs 3.5 tons, and 25 tons 24.5 meters of truck crane length of boom,
12 meters of work range, rated load weight is 4.2 tons, is able to satisfy bracket lifting requirements.
As shown in fig. 6, when the utility model is used, beam car 7 is installed on the track girder on bracket 2, on subway
Steel box-girder 8 is lifted on beam car 7 by square load limitation area external application loop wheel machine, and beam car 7 transports steel box-girder 8 to installation along track girder
Behind position, steel box-girder 8 is lifted off 7 top surface of beam car upwards by jack 4, and beam car 7 retracts hoisting area and transports next beam section.
Claims (3)
1. a kind of S type steel box girder of cable stayed bridge suitable for above subway station slides mounting bracket, including bracket basis and setting exist
Steel-pipe pile bracket on bracket basis, it is characterised in that: the bracket basis is to pour on the ground along bracket sliding zones
Monolithic concrete structure；The steel-pipe pile bracket includes multiple carrier units, and each carrier unit includes that 4 lower ends are fixed on branch
Steel pipe post on the basis of frame is connected by diagonal brace with lateral between 4 steel pipe posts；Multiple carrier units are suitable on bracket basis
Bridge is to two parallel column are lined up, and direction across bridge is erected with crossbeam between two steel pipe post upper ends on each carrier unit, every
Sliding rail is welded on the track girder to the track girder being supported on the crossbeam is set up along bridge on column carrier unit；At every
It is located on the outside of the track girder on crossbeam, is equipped with a support jack.
2. the S type steel box girder of cable stayed bridge according to claim 1 suitable for above subway station slides mounting bracket, feature
It is: is equipped with horizontal steel mesh in the concrete of the bracket basis；It is additionally provided with a plurality of horizontally disposed in substrate and hands in length and breadth
The lower reversed beam of fork, the lower reversed beam are equipped with elongated bottom and indulge muscle and upper longitudinal bar, around bottom indulge muscle and upper longitudinal bar every
One fixed spacing welds a ring-shaped stirrup；In the top surface of each infall for descending reversed beam in length and breadth, if a horizontal top plate, the top plate
3 annular dowels are welded in bottom, and the annular dowel is also welded with the upper longitudinal bar of lower reversed beam simultaneously；The lower reversed beam with
Bracket basis concreting is integrated；Every steel pipe post lower end of steel-pipe pile bracket and the top plate on bracket basis weld
It is fixed.
3. the S type steel box girder of cable stayed bridge according to claim 1 suitable for above subway station slides mounting bracket, feature
It is: along bridge to operation platform is provided on the outside of each column cradle top, is equipped with guardrail on the outside of the operation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372573.7U CN208995937U (en) | 2018-08-23 | 2018-08-23 | Mounting bracket is slid suitable for the S type steel box girder of cable stayed bridge above subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372573.7U CN208995937U (en) | 2018-08-23 | 2018-08-23 | Mounting bracket is slid suitable for the S type steel box girder of cable stayed bridge above subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995937U true CN208995937U (en) | 2019-06-18 |
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ID=66798975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372573.7U Active CN208995937U (en) | 2018-08-23 | 2018-08-23 | Mounting bracket is slid suitable for the S type steel box girder of cable stayed bridge above subway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995937U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535158A (en) * | 2020-05-14 | 2020-08-14 | 中国五冶集团有限公司 | Temporary buttress for installing box girder pushing equipment and construction method thereof |
| CN114671265A (en) * | 2022-04-13 | 2022-06-28 | 中交路桥华南工程有限公司 | Intelligent weight shifting device |
| CN114703757A (en) * | 2022-04-13 | 2022-07-05 | 中交路桥建设有限公司 | Multifunctional support for steel cross beam of cable-stayed bridge and assembling method of steel cross beam |
| CN114775432A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling support of large-tonnage reinforced concrete combined cross beam of cable-stayed bridge cable tower |
-
2018
- 2018-08-23 CN CN201821372573.7U patent/CN208995937U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535158A (en) * | 2020-05-14 | 2020-08-14 | 中国五冶集团有限公司 | Temporary buttress for installing box girder pushing equipment and construction method thereof |
| CN114671265A (en) * | 2022-04-13 | 2022-06-28 | 中交路桥华南工程有限公司 | Intelligent weight shifting device |
| CN114703757A (en) * | 2022-04-13 | 2022-07-05 | 中交路桥建设有限公司 | Multifunctional support for steel cross beam of cable-stayed bridge and assembling method of steel cross beam |
| CN114775432A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling support of large-tonnage reinforced concrete combined cross beam of cable-stayed bridge cable tower |
| CN114671265B (en) * | 2022-04-13 | 2023-10-20 | 中交路桥华南工程有限公司 | Intelligent weight shifting device |
| CN114775432B (en) * | 2022-04-13 | 2024-04-19 | 中交路桥建设有限公司 | Splicing bracket of large-tonnage steel-concrete combined beam of cable-stayed bridge cable tower |
| CN114703757B (en) * | 2022-04-13 | 2024-04-19 | 中交路桥建设有限公司 | Multifunctional bracket for steel cross beam of cable-stayed bridge and assembly method of steel cross beam |
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