CN108330837B - Set up the construction method of girder steel - Google Patents
Set up the construction method of girder steel Download PDFInfo
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- CN108330837B CN108330837B CN201810112644.8A CN201810112644A CN108330837B CN 108330837 B CN108330837 B CN 108330837B CN 201810112644 A CN201810112644 A CN 201810112644A CN 108330837 B CN108330837 B CN 108330837B
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- floating body
- girder steel
- bracket
- water
- setting
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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
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of construction methods for setting up girder steel, belong to technical field of bridge construction, with at floating body transportation by driving to temporary rest pier after bracket assembly, water filling makes floating body sink in floating body, bracket is fallen on temporary rest pier, withdraw from floating body, then girder steel is installed on bracket, after steel girder erection, girder steel is lifted with support device, it is separated with bracket, floating body is dragged under bracket, extraction water makes floating body float, it holds up bracket and is detached from temporary rest pier, and at transportation by driving bracket to next steel bridge construction, the construction method provided by the invention for setting up girder steel, floating body can simple and fast realization rise and fall movement, bracket is transported into interim bridge pier by floating body, bracket is moved to another operating point with floating body after erection girder steel, continue to use bracket, this mode simplifies the course of work for setting up girder steel, it improves and sets up girder steel Stability.
Description
Technical field
The invention belongs to technical field of bridge construction, are to be related to a kind of construction method for setting up girder steel more specifically.
Background technique
Steel bridge because its rigidity is big, the construction period is short, be easy to the features such as repairing due to built extensively, in water set up girder steel it is normal
With method has dilatory method to set a roof beam in place, raft support method is set a roof beam in place, Floating Method is set a roof beam in place.Wherein, it is longer to draw method construction period；Man Tangzhi
Frame assembly girder steel, needs to be arranged between spanning temporary rest pier, such as squeezes into multirow steel tubes stake, and need to repeatedly beat and pull out steel-pipe pile and dismounting
Bracket, falsework are costly；Floating Method, which is set a roof beam in place, to be needed to lift girder steel into certain altitude, and stability not can guarantee.
Summary of the invention
The purpose of the present invention is to provide a kind of construction methods for setting up girder steel, are applied with solving erection girder steel in the prior art
The technical problem that work is cumbersome, stability is poor.
To achieve the above object, the technical solution adopted by the present invention is that: provide it is a kind of set up girder steel construction method, including
Four bridge piers are set needing to set up at girder steel, temporary rest pier, each temporary rest pier are respectively set on the inside of each bridge pier
On be equipped with bearing beam, the temporary rest pier stretches out the water surface；
Floating body is assembled into using buoyancy tank, the assembling support on the floating body passes through the assembled good bracket described floating
Body transportation by driving is between the temporary rest pier；
The bracket is connect with the bearing beam, water filling in Xiang Suoshu buoyancy tank, the floating body sinks, and falls in the bracket
On the bearing beam；
After the floating body is separated with the bracket, the floating body is removed, is placed on the bracket and the bridge pier more
A temporary support, the upper end surface of each temporary support is in same plane；
The girder steel is supported on the temporary support；
The girder steel is propped by support device, removes the temporary support, and the floating body is moved to the branch
Below frame；
Remove the connection between the bracket and the bearing beam, extract the water in the buoyancy tank out, make the floating body float to
Hold up the bracket；
The floating body and the bracket are removed to subsequent work point, permanent support is installed on the bridge pier, makes the steel
Beam is fixedly connected with the bridge pier, and removes the support device.
Further, the bracket is connect with the bearing beam, water filling in Xiang Suoshu buoyancy tank, the floating body sinks, and makes institute
It states bracket to fall on the bearing beam, water filling is symmetrical arranged more by the way of symmetrical flooding on floating body in Xiang Suoshu buoyancy tank
A water pumper, water pumper extract in the water injection buoyancy tank in river, start each water pumper when water filling simultaneously.
Further, the connection between the bracket and the bearing beam is removed, extracts the water in the buoyancy tank out, is made described floating
Body floats to holding up in the bracket, extracts the water in the buoyancy tank out by the way of symmetrically drawing water.
Further, the floating body is equipped with multiple symmetrically placed water pumps.
Further, after the floating body is separated with the bracket, after the floating body is removed, use the floating body as institute
The pre-splicing field of girder steel is stated, crane barge waterborne one assembled first and crane barge waterborne two, the crane barge one waterborne lift the list of the girder steel
A rod piece, the crane barge two waterborne lifts pre-splicing good rod piece group, and is hung on the bracket.
Further, the support device includes more jack, and each jack is symmetrically mounted on the girder steel
Lower section jacks up the girder steel, is detached from the girder steel and the temporary support.
Further, the support device further includes the control module with each jack connection.
Further, the floating body is equipped with the positioning for measuring the floating body and the temporary rest pier positional relationship and fills
It sets.
Further, the safety net of the girder steel being surrounded by for protecting worker safety.
Further, the floating body is equipped with multiple for transporting returning for the defective work generated during the erection girder steel
Receive case.
The beneficial effect of the construction method provided by the invention for setting up girder steel is: compared with prior art, frame of the present invention
If the construction method of girder steel, floating body can simple and fast realization rise and fall movement, by using floating body by bracket transportation by driving to bearing beam
On, and so that floating body is sunk using filling the water into floating body, while floating intracorporal water by extraction, increase floating body, and bracket is moved
Continue to use bracket to another operating point out, this mode simplifies the course of work for setting up girder steel, improves work
Stability.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is to indulge bridge direction view after the first step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 2 is to indulge bridge direction view after the second step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 3 is to indulge bridge direction view after the third step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 4 is to indulge bridge direction view after the 4th step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 5 is to indulge bridge direction view after the 5th step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 6 is to indulge bridge direction view after the 6th step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 7 is to indulge bridge direction view after the 7th step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed；
Fig. 8 is to indulge bridge direction view after the 8th step of the construction method provided in an embodiment of the present invention for setting up girder steel is constructed.
Wherein, each appended drawing reference in figure:
1- bridge pier；2- temporary rest pier；3- bearing beam；4- bracket；5- floating body；6- temporary support；7- girder steel；8- jack；9-
Permanent support.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 8, now the construction method provided by the invention for setting up girder steel is illustrated.A kind of frame
If the construction method of girder steel, four bridge piers 1 are set needing to set up at girder steel 7, temporary rest pier is respectively set on the inside of each bridge pier 1
2, bearing beam 3 is placed on temporary rest pier 2, temporary rest pier 2 stretches out the water surface；
Floating body 5 is formed using buoyancy tank assembly, then the assembling support 4 on floating body 5, assembled good bracket 4 is passed through into floating body 5
Transportation by driving is between temporary rest pier 2；
Bracket 4 is connect with bearing beam 3, is filled the water into buoyancy tank, floating body 5 sinks, and bracket 4 is fallen on bearing beam 3；
After floating body 5 is separated with bracket 4, floating body 5 is removed, multiple temporary supports 6 are placed on bracket 4 and bridge pier 1, are respectively faced
When support 6 upper end surface in same plane；
Girder steel 7 is supported on temporary support 6；
Girder steel 7 after the installation is completed, by support device props girder steel 7, removes temporary support 6, and floating body 5 is moved to
4 lower section of bracket；
The water in buoyancy tank is extracted in connection between striking 4 and bearing beam 3 out, floats floating body 5 to picking-up bracket 4；
Floating body 5 and bracket 4 are removed to subsequent work point, permanent support 9 is installed in the bottom surface of girder steel 7, makes girder steel 7 and bridge pier
1 is fixedly connected, and removes support device.
It is provided by the invention set up girder steel construction method, compared with prior art, by floating body 5 by 4 transportation by driving of bracket extremely
Temporary rest pier 2, and injecting water ballast into floating body 5 makes floating body 5 sink, and is placed in bracket 4 is stable on temporary rest pier 2, in steel
After the completion of beam 7 is set up, by extracting water ballast out floating body 5, increase floating body 5, bracket 4 is removed, and bracket 4 is transported to down
One operating point, this stability in such a way that floating body 5 transports bracket 4 is high, and strong operability avoids the erection work of girder steel 7
Cumbersome repetition dismounts work, while solving the problems, such as that Floating Method sets up girder steel 7 stability difference and to fall elevation difference beam big.
When setting up girder steel 7, it can choose damp flood tide and ebb tide realized the rising of floating body 5 and fallen, and then to control
The disengaging temporary rest pier 2 of bracket 4, which is perhaps fallen on temporary rest pier 2, does not need that floating body 5 is drawn water or filled the water, and alleviates floating
The weight bearing of body 5 makes the more flexible carry out transport of floating body 5, improves the working efficiency of floating body 5, also reduces production cost.
This method whether there is or not the rivers of tidal range, shallow sea can be used, also extend in the erection of continuous beam.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Bracket 4 connect with bearing beam 3, fills the water into buoyancy tank by embodiment, and floating body 5 sinks, and bracket 4 is fallen on bearing beam 3, to buoyancy tank
Interior water filling is symmetrical arranged multiple same model water pumpers by the way of symmetrical flooding on floating body 5, and water pumper extracts in river
Water injects in buoyancy tank, starts each water pumper simultaneously when water filling, and after bracket 4 is fallen on bearing beam 3, holding is drawn water continuation machine operation one
The section time is simultaneously stopped each water pumper, using the side of symmetrical flooding after so that bracket 4 and floating body 5 is completely separated and is had certain distance
Formula declines floating body 5 smoothly, and then bracket 4 is smoothly fallen on temporary rest pier 2, reduce due to bracket 4 decline it is unstable and
Cause bracket 4 that skew occurs relative to temporary rest pier 2, even results in bracket 4 and fall into the water.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
The water in buoyancy tank is extracted in embodiment, the connection between striking 4 and bearing beam 3 out, floats floating body 5 into picking-up bracket 4,
The water in buoyancy tank is extracted out by the way of symmetrically drawing water, multiple same model water pumpers are symmetrical arranged on floating body 5, book machine is taken out and extracts
Water in buoyancy tank is evacuated in river, when drawing water, while starting each water pumper, and after floating body 5 holds up bracket 4, water pumper is continued to run
For a period of time, make bracket 4 and after bearing beam 3 is completely separated and has certain distance, be simultaneously stopped each water pumper, using symmetric mode from
It draws water in buoyancy tank, guarantees that the upper surface of floating body 5 is in stable state, the contact stable with bracket 4 of floating body 5 always, and will prop up
Frame 4 is held up, and bracket 4 is finally transported to subsequent work point, the case where making a fault this approach reduces the course of work, makes frame
If 7 work safety of girder steel is rapidly performed by.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, floating body 5 be equipped with multiple symmetrically placed water pumps or water pumper, since floating body 5 is larger, if only one jiao into
Row take out water ballast perhaps infuse water ballast will lead to floating body 5 occur skew bracket 4 decline or jack-up bracket 4 it is unstable, in floating body
Multiple water pumps are symmetrically used on 5, and perhaps water pumper rises or declines to guarantee that floating body 5 remains horizontal.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment after floating body 5 is separated with bracket 4, after floating body 5 is removed, uses floating body 5 as the pre-splicing field of girder steel 7, assembled first
Crane barge one and crane barge waterborne two waterborne on the single rod piece to floating body 5 of one hoisting steel beam 7 of crane barge waterborne, are spelled on floating body 5
Rod piece group is dressed up, crane barge two waterborne lifts pre-splicing good rod piece group, and is hung on bracket 4, and floating body 5 is both used as a transport work
Tool, it is also as the pre-splicing field of girder steel 7, component needed for girder steel 7 is assembled good on floating body 5, it is directly transported on bracket 4.Point
Not Zu Zhuan two crane barges waterborne, be respectively intended to lifting and need the assembled assembled good rod piece group of single rod piece and lifting, improve work
Make efficiency.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, support device include more jack 8, and girder steel 7 is jacked up, made by the bottom surface that each jack 8 is symmetrically mounted on girder steel 7
Girder steel 7 and temporary support 6 are detached from, and 8 small volume of jack flexibly can be moved and be installed, jack 8 is symmetrically arranged on
The tetrapod of girder steel 7 or four side bottoms, make 7 uniform force of girder steel, and stable rising avoids occurring due to unbalance stress
Skew, or even collapse.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, support device further include having control module with each 8 connection of jack, are being jacked up girder steel 7 using jack 8
During, it is ensured that each jack 8 rises simultaneously, and the rate of climb is identical, and manual control is inaccurate, by each jack 8
Connect with control module, jack 8 controlled by control module, reach each jack 8 it is stable support girder steel 7.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, floating body 5 are equipped with the positioning device for determining floating body 5 Yu 2 positional relationship of temporary rest pier, bracket 4 are placed on
It needs more accurately to position on temporary rest pier 2, it is time saving and energy saving to reduce excessive personnel's handling work, accelerate working efficiency,
Floating body 5 is used as handbarrow, and positioning device is arranged on floating body 5, and precise positioning may be implemented, and guarantees that bracket 4 can be smoothly
It is placed on girder steel 7.Positioning device can also be set on bracket 4.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, the safety net of girder steel 7 being surrounded by for protecting worker safety, when setting up girder steel 7, often building ring
Border is poor, and the safety problem that girder steel 7 just needs to consider staff is set up on river, and safety net is arranged in the surrounding of girder steel 7
The security risk of staff can be effectively reduced, even if staff falls down from girder steel 7, will not be fallen into water,
But fall on safety net, protection staff preserves from.
Further, Fig. 1 to Fig. 8 is please referred to, one kind as the construction method provided by the invention for setting up girder steel is specific
Embodiment, floating body 5 is equipped with the recycling bins of multiple defective works that is used to transport and generate during erection girder steel 7, in floating body 5
Multiple recycling bins are arranged in two sides, and the discarded material generated during a few thing, rubbish and other items are transported back on the bank in time, subtracted
Few pollution to environment, decreases the occupied space of these defective works, increases the working range of staff, improves work
Make efficiency.
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 (10)
1. a kind of construction method for setting up girder steel characterized by comprising
Four bridge piers are set needing to set up at girder steel, temporary rest pier is respectively set on the inside of each bridge pier, it is each described interim
Bearing beam is equipped on buttress, the temporary rest pier stretches out the water surface；
Floating body is assembled into using buoyancy tank, the assembling support on the floating body floats the assembled good bracket by the floating body
It is transported between the temporary rest pier；
The bracket is connect with the bearing beam, water filling in Xiang Suoshu buoyancy tank, the floating body sinks, and falls in the bracket described
On bearing beam；
After the floating body is separated with the bracket, the floating body is removed, places multiple face on the bracket and the bridge pier
When support, the upper end surface of each temporary support is in same plane；
The girder steel is supported on the temporary support；
The girder steel is propped by support device, removes the temporary support, and the floating body is moved under the bracket
Side；
The connection between the bracket and the bearing beam is removed, extracts the water in the buoyancy tank out, floats the floating body to picking-up
The bracket；
The floating body and the bracket are removed to subsequent work point, permanent support is installed on the bridge pier, make the girder steel with
The bridge pier is fixedly connected, and removes the support device.
2. setting up the construction method of girder steel as described in claim 1, it is characterised in that: connect the bracket and the bearing beam
It connects, water filling in Xiang Suoshu buoyancy tank, the floating body sinks, and falls in the bracket on the bearing beam, water filling in Xiang Suoshu buoyancy tank
By the way of symmetrical flooding, multiple water pumpers are symmetrical arranged on floating body, water pumper extracts in the water injection buoyancy tank in river,
Start each water pumper when water filling simultaneously.
3. setting up the construction method of girder steel as claimed in claim 2, it is characterised in that: remove the bracket and the bearing beam it
Between connection, extract the water in the buoyancy tank out, float the floating body to holding up in the bracket, extract the water in the buoyancy tank out
By the way of symmetrically drawing water.
4. setting up the construction method of girder steel as described in claim 1, it is characterised in that: the floating body is symmetrically put equipped with multiple
The water pump set.
5. setting up the construction method of girder steel as described in claim 1, it is characterised in that: the floating body is separated with the bracket
Afterwards, the floating body will be used as the pre-splicing field of the girder steel after the floating body removes, crane barge waterborne one assembled first and waterborne
Crane barge two, the crane barge one waterborne lift the single rod piece of the girder steel, and the crane barge two waterborne lifts pre-splicing good rod piece group,
And it is hung on the bracket.
6. setting up the construction method of girder steel as described in claim 1, it is characterised in that: the support device includes more very heavy
Top, the lower section that each jack is symmetrically mounted on the girder steel jack up the girder steel, make the girder steel and the interim branch
Seat is detached from.
7. setting up the construction method of girder steel as claimed in claim 6, it is characterised in that: the support device further includes and each institute
State the control module of jack connection.
8. setting up the construction method of girder steel as described in claim 1, it is characterised in that: the floating body is equipped with for measuring
State the positioning device of floating body Yu the temporary rest pier positional relationship.
9. setting up the construction method of girder steel as described in claim 1, it is characterised in that: the girder steel is surrounded by for protecting
Protect the safety net of worker safety.
10. such as the construction method of the described in any item erection girder steels of claim 1-9, it is characterised in that: the floating body is equipped with more
It is a to be used to transport the recycling bins for setting up the defective work that the girder steel generates in the process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112644.8A CN108330837B (en) | 2018-02-05 | 2018-02-05 | Set up the construction method of girder steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112644.8A CN108330837B (en) | 2018-02-05 | 2018-02-05 | Set up the construction method of girder steel |
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| CN108330837A CN108330837A (en) | 2018-07-27 |
| CN108330837B true CN108330837B (en) | 2019-11-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978486B (en) * | 2018-09-14 | 2024-01-30 | 苏交科集团股份有限公司 | Automatic beam falling device and construction method thereof |
| CN111411587A (en) * | 2019-09-27 | 2020-07-14 | 张家港宏昌钢板有限公司 | Method for erecting large-span steel structure gallery bridge by utilizing tidal range |
| CN113774936A (en) * | 2021-09-23 | 2021-12-10 | 中铁十一局集团第一工程有限公司 | Floating transportation, positioning and sinking construction method for double-wall steel cofferdam with pile foundation firstly and cofferdam secondly |
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| JP5539554B1 (en) * | 2013-02-04 | 2014-07-02 | 黒沢建設株式会社 | Girder bridge connection structure and girder bridge structure |
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| JP5539554B1 (en) * | 2013-02-04 | 2014-07-02 | 黒沢建設株式会社 | Girder bridge connection structure and girder bridge structure |
| JP2014201963A (en) * | 2013-04-04 | 2014-10-27 | 鹿島建設株式会社 | Method for changing over direction of carriage |
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| CN108330837A (en) | 2018-07-27 |
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