CN109629438A - Bridging method in a kind of water - Google Patents
Bridging method in a kind of water Download PDFInfo
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- CN109629438A CN109629438A CN201910027947.4A CN201910027947A CN109629438A CN 109629438 A CN109629438 A CN 109629438A CN 201910027947 A CN201910027947 A CN 201910027947A CN 109629438 A CN109629438 A CN 109629438A
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- girder
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- pier
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Classifications
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- 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
-
- 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
- E01D21/10—Cantilevered erection
- E01D21/105—Balanced cantilevered erection
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides bridging method in a kind of water, bridging method using main bridge trestle using both ends operation simultaneously, set up with main trestle synchronization job mode by branch trestle in the water.Main bridge girder steel sets up girder steel from original design side, the scheme of arch rib is set up after the completion of girder steel, it is optimized for setting up simultaneously across span centre to two sides symmetric double cantilever erection, continuous truss sliding roadway arch and freely-supported steel truss girder in, girder steel is set up simultaneously with arch rib, the arrangement and method for construction for reaching the "three-synchronims" of girder steel synchronous with freely-supported steel truss girder with lower part engineering synchronism, continuous truss sliding roadway arch, purlin and arch synchronization, thus the Optimizing construction duration significantly.And the optimization of Specific construction scheme is realized in multi-platform construction in water, is made steel suspension bridge, pile foundation, cushion cap, pier shaft, steel truss girder and each construction link overlap joint parallel operations of sliding roadway arch, is reached rapid construction, guarantee quality and the purpose of duration.
Description
Technical field
The present invention relates to bridging methods in bridge formation technical field more particularly to a kind of water.
Background technique
Bridge is generally erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern high to adapt to
The transportation industry of speed development, bridge, which also crosses over mountain stream, unfavorable geology or meets other traffic, to be needed and making of setting up is current more
It is convenient.It is opposite also more convenient in land construction bridge, but for building bridge in water, due to needing in Ha Noi frame
If it is inconvenient to construct, therefore, it is necessary to the longer periods to build bridge.
Summary of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide bridging method in a kind of water.
The present invention is achieved through the following technical solutions:
The present invention provides bridging method in a kind of water, bridging method includes: from the both ends on riverbank construction first in the water
Main trestle；
In korneforos construction branch trestle；
Cushion cap and bridge pier are set up between two branch trestles；
According to sequence of construction construction bridge pier and bridge pier pier girder steel assembling support；
The builder's road on two branch trestles；
3 internode girder steels between two bridge piers on sidewalk at assembled center on the bracket of assembled second main trestle；
The assembled girder erection crane on 3 assembled internode girder steels；
Utilize the symmetrical assembled girder steel of the double cantilevers of girder erection crane；
Behind girder erection crane respectively assembled girder steel to corresponding bridge pier, assembly girder erection crane carrys out assembled pier at assembling support
Between arch rib；
The girder steel of 3 internodes on the first main trestle between the assembled both ends pier for being located at riverbank section on assembling support；And it spells
It fills assembly girder erection crane at bracket and carrys out arch rib between assembled pier；
First main trestle and the second main trestle are closed up.
Preferably, described to set up cushion cap and bridge pier between two branch trestles；Specifically:
Drilling platform is set up between two branch trestles；
The construction drill stake on drilling platform；
Drilling platform is removed, steel sheet pile is squeezed into；Steel purlin is installed, inhales mud to back cover absolute altitude；
Cleaning steel sheet pile simultaneously pours bottom concrete, and sets up cushion cap and bridge pier on the bottom concrete poured.
Preferably, further includes:
When according to sequence of construction construction bridge pier and bridge pier pier girder steel assembling support, construct interim Dun.
Preferably, described to set up cushion cap specifically: lower part is supported using more steel pipe bored concrete piles, top laying distribution beam,
Bailey beam.
It preferably, further include using girder erection crane multiple bridge piers that assembled girder steel is extremely set respectively；
And using the arch rib between girder erection crane respectively multiple bridge piers of the assembled setting.
The beneficial effects of the present invention are: main bridge trestle is using both ends operation simultaneously, branch trestle and main trestle synchronization job side
Formula is set up.Main bridge girder steel sets up girder steel from original design side, and the scheme of arch rib is set up after the completion of girder steel, is optimized in across span centre
It is set up simultaneously to two sides symmetric double cantilever erection, continuous truss sliding roadway arch and freely-supported steel truss girder, girder steel is set up simultaneously with arch rib, is reached
To girder steel, purlin synchronous with freely-supported steel truss girder with lower part engineering synchronism, the continuous truss sliding roadway arch "three-synchronims" synchronous with arch is applied
Work scheme, thus the Optimizing construction duration significantly.
In water it is multi-platform construction realize Specific construction scheme optimization, make steel suspension bridge, pile foundation, cushion cap, pier shaft, steel truss girder and
The each construction link of sliding roadway arch overlaps parallel operations, reaches rapid construction, guarantees quality and the purpose of duration.
Detailed description of the invention
Fig. 1 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 2 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 3 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 4 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 5 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 6 is the flow chart of bridging method in water provided in an embodiment of the present invention；
Fig. 7 is the flow chart of bridging method in water provided in an embodiment of the present invention.
In figure: branch trestle 1, cushion cap 2, control platform 3, steel pipe stake holes 4, crawler crane 5, support 6, support stake 7, steel-pipe pile
8, support frame 9, XR360 rotary drilling rig 10, steel sheet pile 11, assembling support 12, bridge pier 13, Temporary Piers 14.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be modified by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
The present invention provides bridging methods in a kind of water, and to facilitate understanding of the present embodiment of the invention providing method, says first
It is bright once the invention relates to bridge in structure and the equipment that uses.
Firstly, the bridging method of the application is related to as shown in FIG. 1 to FIG. 7: control platform 3, cushion cap 2, branch trestle 1, steel
Hole of post 4, support stake 7, support frame 9,13 middle line of bridge pier, crawler crane 5, XR360 rotary drilling rig 10, bridge pier 13, is faced at support 6
When pier 14, assembling support 12, girder erection crane, sidewalk etc..Wherein, as shown in FIG. 1 to FIG. 3, control platform 3 is located at two trestles
1 middle position is laid in 2 top of cushion cap, provides platform for the construction operation of drilling machine, is laid with pier steel plate.And it holds
Platform 2 is used to support 6 control platforms 3, and by more steel pipe bored concrete pile supports 6, top is by laying distribution beam, Bailey beam for its underpart
The control platform 3 on top provides the support 6 of water vertical force.In addition, the substructure of branch trestle 1 is using the company between steel-pipe pile 8
It connects, increases the stability of stake.Branch trestle 1 provides traffic platform using continuously constructing by cross for construction machinery.Steel pipe stake holes 4: its
Aperture size standard is suitble to the construction operation using vibration hammer to two rows of pier steel-pipe piles 8 and steel sheet pile 11.Support 6
Above support stake 7, it is used to support the steady of 6 trestles 1, and the flat work wells of mechanical waters such as crawler crane 5 are mentioned
For advantage.It has multiple small standard types number to be intensively laid with, uniform force, realizes full compression area stability under loading.And it supports
Stake 7: basis uses 630 × 10mm of φ steel pipe, and the smooth construction of support stake 7 is realized using vibration hammer, supports 6 trestles 1 and branch
Steady, the vertical pressures of 6 transmitting of reception support of support 6.
In addition, 9 connecting material bridging of support frame uses 20 channel steels.Horizontal connection uses 20 channel steels, joint steel pipe size
Design and code requirement need to be met according to specific size blanking, weldquality.Support stake 7 independent is connected, improves and stablizes
Property.
13 middle line of bridge pier among the above: positioned at the center line of control platform 3, effect mainly draws the symmetrical of bridge pier 13
Point, the mark of middle line.
Sidewalk therein be on branch trestle 1, respectively from the starting end of engineering and concluding paragraph inserting piling first across and last
Across steel-pipe pile 8, other steel-pipe piles 8 of then gradually constructing.
Fig. 4~Fig. 7 is referred to together；Wherein, XR360 rotary drilling rig 10: above the control platform waterborne 3 of early period, rotation
Dig 10 construction drill stake of drilling machine.
Bridge pier 13: bridge pier 13 of constructing is being isolated at a distance according to Bridge Design scheme, is providing support 6, bridge to beam body
Pier 13 is removed without the later period, lower support 6 structure of the replacing time as bridge after construction terminates.
Temporary Piers 14: Temporary Piers 14 are constructed in the case where 13 spacing of bridge pier is too big, are mainly auxiliary pier
Platform supports the top gravity of 6 work progress, provides support 6.
Assembling support 12: assembling support 12 is 6 structure of Auxiliary support built at the initial stage that platform is built on the water, is
Early period, center went out the stress offer support 6 of steel truss girder, prevented deflection deformation.
Girder erection crane 1,4: start to construct to engineering both ends from pier, realize the smooth right of girder steel and engineering both ends
It connects, sidewalk is mainly on the branch trestle 1 of girder steel top and two sides.
Girder erection crane 2,3: its engineering is constructed by respective pier, and construction direction is mainly applied to engineering center
Work carries out arch rib assembly and engineering closure work after the splicing for completing girder steel.
Girder erection crane 5: its workbench mainly platform on the water mainly carries out the spelling of steel truss girder early period in work
Be filled with and later period pier shaft between arch rib it is assembled.
Girder erection crane 7: it is mainly the truss construction of engineering end girder steel, and construction direction is carried out from end to center,
Realize the drop-over of truss end structure and the arch rib construction on top.
Crawler crane 5: the assembly and drop-over engineering of girder steel between crawler crane 5 and girder erection crane joint construction end pier.
After having understood the structure of above-mentioned bridge and the equipment that uses, bridging method packet in water provided by the embodiments of the present application
It includes:
As shown in Figure 4, from the first main trestle of the both ends on riverbank construction, and in korneforos construction branch trestle 1；While specific
Construct main line trestle and branch trestle 1 so that main trestle and branch trestle 1 synchronize build.
As shown in FIG. 1 to 3, cushion cap 2 and bridge pier 13 are set up between two branch trestles 1；
Specifically, using 100t crawler crane 5 on branch trestle 13 steel-pipe pile 8 of inserting piling control platform, in two branch trestles 1
Between set up control platform 3；Steel pile casting construction, construction drill stake.Start vibration hammer, by steel pile casting bottom absolute altitude inserting piling to stake top mark
The high following position 6m, the construction drill stake in control platform 3 later, specifically, using 10 construction drill stake of rotary drilling rig.Complete
Cheng Hou removes control platform 3, squeezes into steel sheet pile 11；Steel purlin is installed, inhales mud to back cover absolute altitude；Clear up steel sheet pile 11 simultaneously later
Bottom concrete is poured, and sets up cushion cap 2 and bridge pier 13 on the bottom concrete poured.
According to sequence of construction construction bridge pier 13 and 13 pier girder steel assembling support 12 of bridge pier；Specifically, according to respective design
When sequence of construction construction bridge pier 13 and 13 pier girder steel assembling support 12 of bridge pier, Temporary Piers 14 of also constructing simultaneously.
The builder's road on two branch trestles 1；Specifically, in builder's road, it is synchronous to carry out girder steel construction, girder steel assembly
Field construction.
As shown in figure 5,3 sections between two bridge piers 13 on sidewalk at assembled center on the bracket of assembled second main trestle
Between girder steel；The assembled girder erection crane on 3 assembled internode girder steels；Utilize the symmetrical assembled girder steel of the double cantilevers of girder erection crane；
Specifically, 3 internodes using 150t crawler crane 5 on sidewalk at assembled center between two piers on assembling support 12
Girder steel utilizes the girder steel of 3 internode of the 150t crawler crane 5 on trestle between the pier of assembled bridge section both ends on assembling support 12；Benefit
With 150t crawler crane 5 on 3 assembled internode girder steels assembly 50t girder erection crane；Utilize the double cantilevers pair of girder erection crane
Claim assembled girder steel.
Behind the girder erection crane respectively assembled girder steel to corresponding bridge pier 13, assembly girder erection crane is spelled at assembling support 12
Arch rib between dress pier；
Using girder steel between the lifting pier of crawler crane 5, wherein between pier after 3 internodes of assembled completion, utilize crawler crane 5 assembled
Girder erection crane continues remaining girder steel between assembled pier.
The girder steel of 3 internodes on the first main trestle between the assembled both ends pier for being located at riverbank section on assembling support 12；And
Assembly girder erection crane carrys out arch rib between assembled pier at assembling support 12；
As shown in fig. 6, using girder erection crane multiple bridge piers 13 that assembled girder steel is extremely set respectively；And using girder erection crane point
Arch rib between multiple bridge piers 13 of the not assembled setting.Such as the assembled girder steel of girder erection crane difference to 16# pier, 13# pier, 13#
Pier, 10# pier top.Meanwhile using girder erection crane difference assembly 16#~15# pier, 13#~14# pier, 13#~12# pier, 10#~11#
Arch rib between pier.
First main trestle and the second main trestle are closed up；
As shown in fig. 7, specifically, accurately adjusting girder position；Remove all girder erection cranes, assembling support 12 and Temporary Piers
14, complete full-bridge steel girder erection；Bridge deck construction.
It can be seen from the above description that main bridge trestle is using both ends operation simultaneously, branch trestle 1 and main trestle synchronization job
Mode is set up.Main bridge girder steel sets up girder steel from original design side, and the scheme of arch rib is set up after the completion of girder steel, be optimized in across across
Middle to set up simultaneously to two sides symmetric double cantilever erection, continuous truss sliding roadway arch and freely-supported steel truss girder, girder steel is set up simultaneously with arch rib,
Reach the "three-synchronims" of girder steel synchronous with freely-supported steel truss girder with lower part engineering synchronism, continuous truss sliding roadway arch, purlin and arch synchronization
Arrangement and method for construction, thus the Optimizing construction duration significantly.
The optimization of Specific construction scheme is realized in multi-platform construction in water, makes steel suspension bridge, pile foundation, cushion cap 2, pier shaft, steel truss girder
Parallel operations are overlapped with each construction link of sliding roadway arch, reaches rapid construction, guarantees quality and the purpose of duration.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (5)
1. bridging method in a kind of water characterized by comprising
From the first main trestle of the both ends on riverbank construction；
In korneforos construction branch trestle；
Cushion cap and bridge pier are set up between two branch trestles；
According to sequence of construction construction bridge pier and bridge pier pier girder steel assembling support；
The builder's road on two branch trestles；
3 internode girder steels between two bridge piers on sidewalk at assembled center on the bracket of assembled second main trestle；It is assembled
Assembled girder erection crane on 3 good internode girder steels；
Utilize the symmetrical assembled girder steel of the double cantilevers of girder erection crane；
Behind girder erection crane respectively assembled girder steel to corresponding bridge pier, encircle between the next assembled pier of assembly girder erection crane at assembling support
Rib；
The girder steel of 3 internodes on the first main trestle between the assembled both ends pier for being located at riverbank section on assembling support；And
Assembly girder erection crane carrys out arch rib between assembled pier at assembling support；
First main trestle and the second main trestle are closed up.
2. bridging method in water according to claim 1, which is characterized in that described to set up cushion cap between two branch trestles
And bridge pier；Specifically:
Drilling platform is set up between two branch trestles；
The construction drill stake on drilling platform；
Drilling platform is removed, steel sheet pile is squeezed into；Steel purlin is installed, inhales mud to back cover absolute altitude；
Cleaning steel sheet pile simultaneously pours bottom concrete, and sets up cushion cap and bridge pier on the bottom concrete poured.
3. bridging method in water according to claim 2, which is characterized in that further include:
When according to sequence of construction construction bridge pier and bridge pier pier girder steel assembling support, construct interim Dun.
4. bridging method in water according to claim 2, which is characterized in that described to set up cushion cap specifically:
Using more steel pipe bored concrete pile supports, top is laid with distribution beam, Bailey beam for lower part.
5. bridging method in water according to claim 1, which is characterized in that further include: it is assembled respectively using girder erection crane
Multiple bridge piers of girder steel extremely setting；
And using the arch rib between girder erection crane respectively multiple bridge piers of the assembled setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910027947.4A CN109629438A (en) | 2019-01-11 | 2019-01-11 | Bridging method in a kind of water |
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| CN201910027947.4A CN109629438A (en) | 2019-01-11 | 2019-01-11 | Bridging method in a kind of water |
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| CN201910027947.4A Pending CN109629438A (en) | 2019-01-11 | 2019-01-11 | Bridging method in a kind of water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172922A (en) * | 2019-06-17 | 2019-08-27 | 中国建筑第六工程局有限公司 | A kind of environmentally friendly downlink Self-propelled steel trestle work structure construction method |
| CN110644363A (en) * | 2019-06-24 | 2020-01-03 | 高军 | Construction method of underwater main tower of cross-river cable-stayed bridge of high-speed railway |
| CN111119070A (en) * | 2019-12-24 | 2020-05-08 | 江苏中铁山桥重工有限公司 | Method for erecting W-shaped steel truss girder by adopting symmetrical gantry crane suspension assembly |
| CN111139749A (en) * | 2020-01-08 | 2020-05-12 | 中铁四局集团有限公司 | Large-span bearing type continuous steel truss girder cantilever erection construction method |
| CN112681135A (en) * | 2020-12-14 | 2021-04-20 | 中铁二十局集团第三工程有限公司 | Construction method of n-shaped sea-crossing temporary steel trestle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172922A (en) * | 2019-06-17 | 2019-08-27 | 中国建筑第六工程局有限公司 | A kind of environmentally friendly downlink Self-propelled steel trestle work structure construction method |
| CN110644363A (en) * | 2019-06-24 | 2020-01-03 | 高军 | Construction method of underwater main tower of cross-river cable-stayed bridge of high-speed railway |
| CN111119070A (en) * | 2019-12-24 | 2020-05-08 | 江苏中铁山桥重工有限公司 | Method for erecting W-shaped steel truss girder by adopting symmetrical gantry crane suspension assembly |
| CN111119070B (en) * | 2019-12-24 | 2022-02-11 | 江苏中铁山桥重工有限公司 | Method for erecting W-shaped steel truss girder by adopting symmetrical gantry crane suspension assembly |
| CN111139749A (en) * | 2020-01-08 | 2020-05-12 | 中铁四局集团有限公司 | Large-span bearing type continuous steel truss girder cantilever erection construction method |
| CN112681135A (en) * | 2020-12-14 | 2021-04-20 | 中铁二十局集团第三工程有限公司 | Construction method of n-shaped sea-crossing temporary steel trestle |
| CN112681135B (en) * | 2020-12-14 | 2022-10-11 | 中铁二十局集团第三工程有限公司 | Construction method of n-shaped sea-crossing temporary steel trestle |
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Application publication date: 20190416 |