CN109958051A - Large span difference in height tie-rod arch structure top-pushing mechanism and pushing method - Google Patents
Large span difference in height tie-rod arch structure top-pushing mechanism and pushing method Download PDFInfo
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- CN109958051A CN109958051A CN201910159192.3A CN201910159192A CN109958051A CN 109958051 A CN109958051 A CN 109958051A CN 201910159192 A CN201910159192 A CN 201910159192A CN 109958051 A CN109958051 A CN 109958051A
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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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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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
- E01D4/00—Arch-type bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of large span difference in height tie-rod arch structure top-pushing mechanism and pushing methods, mechanism includes the multiple pushing tow Temporary Piers for moving horizontally direction arrangement along tie-rod arch structure, the top of pushing tow Temporary Piers is equipped with the walking jack moved in horizontal and vertical both direction, and walking jack move horizontally direction and tie-rod arch structure to move horizontally direction consistent, height-adjustable cushion block group is additionally provided at the top of the Temporary Piers of top.The present invention is moved horizontally again by the first vertical ascent of the walking jack of multi-point realizes that component is lateral on incremental launching device, vertically movable, solve the problems, such as that arch bridge is whole mobile to river opposite bank and final in place by adjusting cushion block height difference, it solves the problems, such as the bottom surface difference of height of tie-rod arch structure, and can effectively improve construction efficiency.
Description
Technical field
The present invention relates to Construction Technology of Large-span Steel Structure field more particularly to a kind of large span difference in height tie-rod arch structures
Top-pushing mechanism and pushing method.
Background technique
Currently, the development of architectural engineering grows with each passing hour, make rapid progress, the requirement for construction technology and construction quality is also
It is higher and higher.Large-span steel is widely used in construction projects, but mostly steel construction that there are spans is big, from it is great,
Special-shaped feature, this brings great difficulty to site operation.Especially place is limited, the limited construction environment of construction machinery
In, basic hoisting machinery is unable to satisfy installation requirement, and pushing tow common in engineering, slipping mechanism or gliding method are complex
And cost of manufacture is larger.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of large span difference in height tie-rod arch structure pushing tow is provided
Mechanism and pushing method solve the problems, such as bottom surface difference of height, and can effectively improve and apply, it can be achieved that tie-rod arch structure moves horizontally
Work efficiency rate.
The present invention provides a kind of large span difference in height tie-rod arch structure top-pushing mechanisms, it is characterised in that: including along tie-rod
The top of the multiple pushing tow Temporary Piers for moving horizontally direction arrangement of arch structure, the pushing tow Temporary Piers is equipped with horizontal and perpendicular
The walking jack that is moved in straight both direction, and the walking jack moves horizontally direction and the tied arch knot
Structure to move horizontally direction consistent, height-adjustable cushion block group is additionally provided at the top of the top Temporary Piers.
It further include nose girder in some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, it is described to lead
Beam is connected to the both ends of the tie-rod arch structure and extends outwardly along the direction that moves horizontally of the tie-rod arch structure, and described leads
The bottom surface of beam is flushed with the both ends bottom surface of the tie-rod arch structure.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, the walking jack packet
Level jack, vertical jack, slideway and sliding block are included, the slideway is arranged along the direction that moves horizontally of the tie-rod arch structure
In the top of the pushing tow Temporary Piers, the sliding block is slidedly arranged in the slideway, and the level jack is installed on the slideway
One end and its push rod be connected to the sliding block, the vertical jack is installed on the sliding block.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, the tie-rod arch structure includes
Bottom binder and arched rib, the both ends arch springing of the arched rib and the both ends of the bottom binder are welded and fixed, the bottom system
Rigid diagonal brace is hinged with by hingedly supportting seat between beam and the arched rib.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, cushion block group includes that muti-piece is mutual
The folded cushion block set, the superposition quantity by changing cushion block adjust the height of the cushion block group.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, the walking jack
Top side detachable is provided with backing plate.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, each pushing tow Temporary Piers
Including connecting rod between more root bottom part supporting piles, the stake being connected between the bottom supporting stake, and it is connected to the bottom supporting stake
The pile cover and H profile steel distribution beam at top.
In some embodiments of the large span difference in height tie-rod arch structure top-pushing mechanism, multiple pushing tow Temporary Piers
Between connection be related truss.
The second aspect of the present invention additionally provides a kind of large span difference in height tie-rod arch structure pushing method comprising step
It is rapid:
Multiple pushing tow Temporary Piers are arranged in the direction that moves horizontally along tie-rod arch structure, as pushing tow load-carrying members point；
Walking jack is installed at the top of the pushing tow Temporary Piers, the walking jack has horizontal and vertical
Movement in both direction, and the side of moving horizontally for moving horizontally direction Yu the tie-rod arch structure of the walking jack
To consistent；
At the top of the pushing tow Temporary Piers, height-adjustable cushion block group is set；
Tie-rod arch structure is placed on the walking jack and the cushion block group；
The tie-rod arch structure is jacked up using the vertical shift of the walking jack, so that the tie-rod arch structure is de-
From the cushion block group；
It is mobile with the tie-rod arch structure forward horizontal using moving horizontally for the walking jack；
After the walking jack horizontal movable in place after, utilize the walking jack vertical shift decline institute
It states on tie-rod arch structure to the cushion block group；
Continue to decline the walking jack to the top disengaging tie-rod arch structure, by the walking jack water
Original position is translated go back to, then jacks up the tie-rod arch structure of next station upwards, recycles tie-rod arch structure described in piecewise jacking by this.
In some embodiments of the large span difference in height tie-rod arch structure pushing method, in the walking jack
Vertical shift and during moving horizontally, the cushion block group is adjusted according to the bottom surface absolute altitude suitability of tie-rod arch structure
Highly.
Top-pushing mechanism provided by the invention is combined to form by pushing tow Temporary Piers, walking jack and adjusting cushion block
Top-pushing mechanism.The pushing method of top-pushing mechanism provided by the invention is the first vertical ascent by the walking jack of multi-point
Move horizontally again and realize that component is lateral on incremental launching device, vertically movable, solve arch bridge it is whole mobile to river opposite bank and it is final just
The problem of position solves the problems, such as the bottom surface difference of height of tie-rod arch structure by adjusting cushion block height difference, and can effectively improve construction effect
Rate.The effect of rigid diagonal brace is the monolithic stability and Deformation control for guaranteeing steel arch bridge during pushing tow, and nose girder effect is to reduce
The arch bridge structure stress of structure and deformation during pushing tow.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 shows the exemplary planar of large span difference in height tie-rod arch structure top-pushing mechanism according to an embodiment of the present invention
Schematic diagram.
Fig. 2 shows the exemplary facades of large span difference in height tie-rod arch structure top-pushing mechanism according to an embodiment of the present invention
Schematic diagram.
Fig. 3 shows the exemplary structure schematic diagram of the pushing tow Temporary Piers in top-pushing mechanism according to embodiments of the present invention.
Fig. 4 shows the exemplary planar schematic diagram of the nose girder in top-pushing mechanism according to embodiments of the present invention.
Fig. 5 show the mounting structure of the walking jack in top-pushing mechanism according to embodiments of the present invention it is exemplary just
Face schematic diagram.
Fig. 6 shows the exemplary top of the mounting structure of the walking jack in top-pushing mechanism according to embodiments of the present invention
Face schematic diagram.
Fig. 7 shows the exemplary side of the mounting structure of the walking jack in top-pushing mechanism according to embodiments of the present invention
Face schematic diagram.
Fig. 8 shows the company of tie-rod arch structure in top-pushing mechanism according to embodiments of the present invention, rigid diagonal brace and hinged support seat
The exemplary front schematic view of binding structure.
Fig. 9 shows the company of tie-rod arch structure in top-pushing mechanism according to embodiments of the present invention, rigid diagonal brace and hinged support seat
The exemplary side schematic diagram of binding structure.
Figure 10 shows the exemplary part elevation schematic diagram of nose girder in top-pushing mechanism according to embodiments of the present invention.
It is marked in attached drawing as follows with the corresponding relationship of title:
1- cushion block I, 2- cushion block II, 3- jack footstock, 4- walking jack, 5- pad steel plate, 6- support seat, 7- rigidity
Diagonal brace, 8- tie-rod arch structure, 9- pushing tow Temporary Piers, 91- supporting pile, connecting rod between 92-, 93- pile cover, 94-H fashioned iron distribution beam,
95- contacts truss, 10- nose girder.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
Large span difference in height tie-rod arch structure top-pushing mechanism provided by the invention passes through pushing tow Temporary Piers, walking jack
And it adjusts cushion block and combines to form top-pushing mechanism.The pushing method of top-pushing mechanism provided by the invention is the step by multi-point
The first vertical ascent of shoe formula jack moves horizontally again realizes that component is lateral on incremental launching device, vertically movable, solves arch
Bridge problem whole mobile to river opposite bank and finally in place solves the bottom surface difference of height of tie-rod arch structure by adjusting cushion block height difference
Problem, and can effectively improve construction efficiency.The effect of rigid diagonal brace is the monolithic stability for guaranteeing steel arch bridge during pushing tow
And Deformation control, nose girder effect are to reduce the arch bridge structure stress of structure and deformation during pushing tow.
Referring to Fig. 1 and Fig. 2, Fig. 1 shows large span difference in height tie-rod arch structure pusher according to an embodiment of the present invention
The exemplary planar schematic diagram of structure, Fig. 2 shows large span difference in height tie-rod arch structure pushers according to an embodiment of the present invention
The exemplary elevational schematic view of structure, as shown, large span difference in height tie-rod arch structure top-pushing mechanism of the invention is mainly by pushing up
It pushes away Temporary Piers 9, walking jack 4 and height-adjustable cushion block group three parts to constitute, the level for tie-rod arch structure 8 is moved
It is dynamic.
Tie-rod arch structure 8 in the present embodiment uses steel arch bridge, including bottom binder and arched rib, two end arches of arched rib
The both ends of foot and bottom binder are welded and fixed, cooperation Fig. 2, Fig. 8 and Fig. 9 shown in, steel arch bridge bottom binder and arched rib it
Between by supportting seat 6 be hingedly connected with multiple tracks rigidity diagonal brace 7, support seat 6 need to be fixedly welded on the bottom binder of tie-rod arch structure 8 in advance
In arched rib, support seat 6 uses hinged seat, is welded in the lower plate of arched rib and the upper plate of bottom binder, and support seat 6 is provided with
Pin shaft lug plate holes, rigid diagonal brace 7 use rigid circular pipe, are obliquely installed, both ends welding installation otic placode, the ear at rigid 7 both ends of diagonal brace
Plate passes through respectively in the 6 pin shaft lug plate holes of support seat that pin shaft is rotatably connected in arched rib and bottom binder.Rigid 7 He of diagonal brace
Support seat 6 suitable, Deformation control and stability control for rigid arch bridge during pushing tow after steel arch bridge assembly.
Further, cooperate shown in Fig. 3, Fig. 5 and Fig. 7, the quantity of pushing tow Temporary Piers 9 according to steel arch bridge move horizontally away from
From depending on, multiple pushing tow Temporary Piers 9 along steel arch bridge the bottom for moving horizontally direction and being completely layered on steel arch bridge, as pushing tow load-bearing
System point forms a pushing tow weight-bearing surface in the bottom of steel arch bridge as a result, can be used for pushing tow and assembled steel arch bridge.Pushing tow is interim
Pier 9 includes connecting rod 92 between the stake between temporary support stake 91, connection temporary support stake 91, and is connected to the stake at 91 top of supporting pile
Cap 93 and H profile steel distribution beam 94, wherein steel pipe can be used in supporting pile 91, and lower end is fixed in the river below steel arch bridge, upper end
Absolute altitude is intended to the bottom surface absolute altitude of steel arch bridge.Round tube can be used in connecting rod 92 between stake, preferably, using before pushing tow Temporary Piers 9
Connection truss 95 welds integral between pier, to improve overall stability, promotes the pushing tow bearing value to steel arch bridge.
Cooperate shown in Fig. 3, Fig. 5~7 again, the walking jack 4 used in the present invention has horizontal and vertical two sides
Upward moveable function, wherein walking jack 4 is the prior art, is a kind of specific purpose tool of lifting displacement, is basis
The spatial three-dimensional position of heavy component or large scale equipment is accurately positioned the major adjusting equipment for needing and developing, using walking thousand
Jin top can carry out more fulcrum Bit andits controls to railway, highway bridge or similar beam-type member, realize laterally (X) correction, longitudinal
(Y) it promotes, and the accurate positioning of vertical jacking (Z), the jacking load of walking jack is big, and position control accuracy is high, operation
Simplicity, high degree of automation.It is removable in horizontal and vertical both direction that walking jack 4 is only applied in the present embodiment
Dynamic function shows the exemplary structure of walking jack 4 as shown in Fig. 3, Fig. 5~7, in figure, the walking jack 4
Including level jack, vertical jack, slideway and sliding block, slideway is set to top along the direction that moves horizontally of tie-rod arch structure 8
The top of Temporary Piers 9 is pushed away, sliding block is slidedly arranged in slideway, and level jack is installed on one end of slideway and its push rod is connected to cunning
Block, the flexible of level jack push rod can be moved forward and backward with movable slider along slideway to advance along the horizontal direction of tie-rod arch structure 8
Or retreat, vertical jack is installed on sliding block, and vertical jack can be translated with moving horizontally for sliding block, vertical jack
Push rod vertically upward, when the bottom surface of tie-rod arch structure 8 falls within the push rod top surface of vertical jack, stretch by vertical very heavy propulsion arm
It contracts and can control the height of tie-rod arch structure 8.In the settable muti-piece backing plate in the push rod top surface of vertical jack, backing plate uses pad steel
Plate 5 can meet tie-rod arch structure 8 by adjusting the quantity of pad steel plate 5 according to the bottom surface absolute altitude of tie-rod arch structure 8
Difference in height problem.
The top of top Temporary Piers 9 is additionally provided with height-adjustable cushion block group, as shown in figure 5, cushion block group includes muti-piece phase
The mutually folded cushion block I 1 and cushion block II 2 set, the superposition quantity by changing cushion block adjust the height of cushion block group, and the setting of cushion block group exists
The front and rear sides for moving horizontally direction of walking jack 4, can the tie-rod arch structure 8 to top play supporting role.Cushion block group
Top surface absolute altitude it is consistent with the top surface absolute altitude of walking jack 4 in the initial state (under the vertical non-ejection state of jack).
The whole support height that cushion block group is adjusted by adjusting the quantity of cushion block I 1 and cushion block II 2, according under tie-rod arch structure 8
Bottom surface absolute altitude can meet the difference in height problem of tie-rod arch structure 8 by adjusting the support height of cushion block group.
Shown in cooperation Fig. 2, Fig. 4 and Figure 10, it is respectively provided in the rear and front end of tie-rod arch structure 8 and lengthens bottom system
Variable cross-section i shaped steel can be used in the nose girder 10 of beam, nose girder 10, welds with the front and back arch springing of steel arch bridge.The bottom surface of nose girder 10 and steel
The both ends bottom surface of arch bridge flushes.Nose girder 10 plays the role of extending steel arch bridge both ends, and the nose girder 10 of front end may extend to steel arch bridge
On pushing tow Temporary Piers 9 at a distance of front, the nose girder 10 of rear end may extend to the pushing tow at a distance of steel arch bridge rear
On Temporary Piers 9, to reduce the overhanging of steel arch bridge.When steel arch bridge and nose girder 10 move integrally, nose girder 10 is integrally fallen with steel arch bridge
In on top-pushing mechanism, for reducing the horizontal stress of steel arch pars basilaris pontis binder.
The incremental launching construction of large span difference in height tie-rod arch structure how is realized to the top-pushing mechanism of the embodiment of the present invention below
Method be described further.Large span difference in height tie-rod arch structure pushing method provided by the invention mainly includes following step
It is rapid:
Step 1: construction pushing tow Temporary Piers 9 complete the construction of steel-pipe pile and the installation of top distribution beam, pushing tow Temporary Piers
Truss is contacted between installation Temporary Piers after the completion of construction, multiple pushing tow Temporary Piers the moving horizontally along tie-rod arch structure for completion of constructing
Direction arrangement, as pushing tow load-carrying members point；
Step 2: installing cushion block I 1 and cushion block II 2 in the distribution beam on Temporary Piers 9, installs walking jack 3, root
Pad steel plate 5 is installed according to tied arch structure height.
Step 3: support seat 6 is installed in tie-rod arch structure in advance in processing factory, assembles tie-rod arch structure using crane
8, and complete tied arch structure welding for steel structure and anticorrosive coating engineering.
Step 4: rigid diagonal brace 7 in installation tie-rod arch structure 8；
Step 5: installation 8 front and back nose girder 10 of tie-rod arch structure；
Step 6: carrying out examination pushing tow with incremental launching device, jacks up tie-rod arch structure pusher into a stroke, confirms tied arch knot
Structure and temporary structure normally carry out formal pushing tow afterwards.
Step 7: formal pushing tow, in real time the pad cushion block between tie-rod arch structure and walking jack 4, it is ensured that each top
It is closely knit to push away point contact, front end nose girder is removed after pushing tow to design position.
Step 8: arrangement falls the very heavy roof fall beam of beam to designed elevation on abutment.
Wherein, the pushing tow process of step 7 further comprises: the push rod of the vertical jack of starting walking jack erects
It is released upwards to the push rod of jack, the synchronous tie-rod arch structure that jacks up generates vertical displacement, until tie-rod arch structure leaves cushion block group,
And then level jack starts, and generation horizontally advances displacement, is displaced a propulsion stroke with tied arch structure synchronization；It
Afterwards, vertical jack is fallen after rise downwards, before and after so that tie-rod arch structure is fallen within jack on cushion block I 1 and cushion block II 2, vertical thousand
The push rod on jin top continues to decline until its top surface disengaging tie-rod arch structure, is moved back to original position for level jack level, restarts
Vertical jack jacks up the tie-rod arch structure of next station upwards, recycles by this and carries out tie-rod arch structure and advance paragraph by paragraph pushing tow, root
According to tie-rod arch structure bottom surface absolute altitude, constantly extracts pad backing plate 5 out and cushion block I 1 meets the difference in height problem of tie-rod arch structure.
The beneficial effect of large span difference in height tie-rod arch structure top-pushing mechanism of the present invention is, according to the pushing method pushing tow
The top-pushing mechanism structure that large-span steel uses is simple, and cushion block and nose girder therein can be directly prepared by H profile steel or steel plate, just
It is made in construction site.And using the easy to operate of the double arch bridges of top-pushing mechanism pushing tow large span, can be constructed field with effective solution
Ground is small, the problem of the big lifting difficulty of structural span, and without bracket heavy mechanical equipment in incremental launching construction, construction is steady, safety
Reliably, to improve construction efficiency and economic benefit.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of large span difference in height tie-rod arch structure top-pushing mechanism, it is characterised in that: moved including the level along tie-rod arch structure
Multiple pushing tow Temporary Piers of dynamic direction arrangement, the top of the pushing tow Temporary Piers is equipped with, and there is horizontal and vertical both direction to move up
Dynamic walking jack, and the side of moving horizontally for moving horizontally direction Yu the tie-rod arch structure of the walking jack
To consistent, height-adjustable cushion block group is additionally provided at the top of the top Temporary Piers.
2. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: it further include nose girder,
The nose girder is connected to the both ends of the tie-rod arch structure and extends outwardly along the direction that moves horizontally of the tie-rod arch structure, and
The bottom surface of the nose girder is flushed with the both ends bottom surface of the tie-rod arch structure.
3. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: the walking thousand
Jin top includes level jack, vertical jack, slideway and sliding block, and the slideway is along the side of moving horizontally of the tie-rod arch structure
To the top for being set to the pushing tow Temporary Piers, the sliding block is slidedly arranged in the slideway, and the level jack is installed on institute
It states one end of slideway and its push rod is connected to the sliding block, the vertical jack is installed on the sliding block.
4. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: the tied arch knot
Structure includes bottom binder and arched rib, and the both ends arch springing of the arched rib and the both ends of the bottom binder are welded and fixed, described
Rigid diagonal brace is hinged with by hingedly supportting seat between bottom binder and the arched rib.
5. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: cushion block group includes more
The mutually folded cushion block set of block, the superposition quantity by changing cushion block adjust the height of the cushion block group.
6. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: the walking thousand
The top side detachable on jin top is provided with backing plate.
7. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: each pushing tow
Temporary Piers include connecting rod between more root bottom part supporting piles, the stake being connected between the bottom supporting stake, and are connected to the bottom
Pile cover and H profile steel distribution beam at the top of supporting pile.
8. large span difference in height tie-rod arch structure top-pushing mechanism as described in claim 1, it is characterised in that: multiple pushing tows
Truss of being related is connected between Temporary Piers.
9. a kind of large span difference in height tie-rod arch structure pushing method, which is characterized in that comprising steps of
Multiple pushing tow Temporary Piers are arranged in the direction that moves horizontally along tie-rod arch structure, as pushing tow load-carrying members point；
Walking jack is installed at the top of the pushing tow Temporary Piers, the walking jack has horizontal and vertical two
Movement on direction, and the walking jack move horizontally direction and the tie-rod arch structure move horizontally direction one
It causes；
At the top of the pushing tow Temporary Piers, height-adjustable cushion block group is set；
Tie-rod arch structure is placed on the walking jack and the cushion block group；
The tie-rod arch structure is jacked up using the vertical shift of the walking jack, so that the tie-rod arch structure is detached from institute
State cushion block group；
It is mobile with the tie-rod arch structure forward horizontal using moving horizontally for the walking jack；
After the walking jack horizontal movable in place after, utilize the vertical shift of the walking jack to decline the system
On bar arch structure to the cushion block group；
Continue to decline the walking jack to the top disengaging tie-rod arch structure, the walking jack level is moved
Original position is gone back to, then jacks up the tie-rod arch structure of next station upwards, recycles tie-rod arch structure described in piecewise jacking by this.
10. large span difference in height tie-rod arch structure pushing method as described in claim 1, it is characterised in that: in the stride
The vertical shift of formula jack and during moving horizontally, adjusts described according to the bottom surface absolute altitude suitability of tie-rod arch structure
The height of cushion block group.
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| CN201910159192.3A CN109958051A (en) | 2019-03-04 | 2019-03-04 | Large span difference in height tie-rod arch structure top-pushing mechanism and pushing method |
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| CN201910159192.3A CN109958051A (en) | 2019-03-04 | 2019-03-04 | Large span difference in height tie-rod arch structure top-pushing mechanism and pushing method |
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Cited By (9)
| 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 pier for installation of box girder jacking equipment and its construction method |
| CN111549680A (en) * | 2020-04-30 | 2020-08-18 | 中冶(上海)钢结构科技有限公司 | Elevation-adjustable overturn-preventing cushion block and using method thereof |
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| CN112323634A (en) * | 2020-10-28 | 2021-02-05 | 安徽省交通建设股份有限公司 | Installation system and construction method of steel arch bridge of upper-span channel |
| CN113062228A (en) * | 2021-04-20 | 2021-07-02 | 中铁大桥局第九工程有限公司 | Non-rising and falling jumping walking type pushing equipment and pushing method thereof |
| CN115182256A (en) * | 2022-06-30 | 2022-10-14 | 中冶(上海)钢结构科技有限公司 | Walking pushing method for large-span through tied steel arch bridge |
| CN117286807A (en) * | 2023-11-01 | 2023-12-26 | 保利长大工程有限公司 | Bridge sliding equipment and bridge construction system |
| WO2024098740A1 (en) * | 2022-11-10 | 2024-05-16 | 中交第二航务工程局有限公司 | Integral installation method for superstructure of offshore pile-foundation marine building |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1042068A (en) * | 1962-08-13 | 1966-09-07 | Entpr S Campenon Bernard | Improvements in or relating to bridges and to methods and apparatus for the construction thereof, particularly large multiple bay maritime bridges |
| CN101793010A (en) * | 2010-03-16 | 2010-08-04 | 中交二航局第二工程有限公司 | Arch-included integral pushing method for large-tonnage multi-span combined arch bridge |
| CN102261039A (en) * | 2011-04-25 | 2011-11-30 | 长沙理工大学 | Integral thrusting construction method of network tied arch bridge |
| CN102587291A (en) * | 2012-03-27 | 2012-07-18 | 中交四航局第一工程有限公司 | Walking type multipoint pushing construction method and walking type multipoint pushing construction system for steel box girder |
| CN105274942A (en) * | 2015-11-23 | 2016-01-27 | 柳州欧维姆工程有限公司 | Large-span continuous steel truss multi-point synchronous automatic cyclic alternating sliding shoe push system and construction method thereof |
| CN205934746U (en) * | 2016-08-19 | 2017-02-08 | 中国水利水电第五工程局有限公司 | Walking top pushes away continuous steel case roof beam nose girder and crosses mound composite set |
| CN210031458U (en) * | 2019-03-04 | 2020-02-07 | 中国建筑第八工程局有限公司 | Large-span height difference tie bar arch structure pushing mechanism |
-
2019
- 2019-03-04 CN CN201910159192.3A patent/CN109958051A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1042068A (en) * | 1962-08-13 | 1966-09-07 | Entpr S Campenon Bernard | Improvements in or relating to bridges and to methods and apparatus for the construction thereof, particularly large multiple bay maritime bridges |
| CN101793010A (en) * | 2010-03-16 | 2010-08-04 | 中交二航局第二工程有限公司 | Arch-included integral pushing method for large-tonnage multi-span combined arch bridge |
| CN102261039A (en) * | 2011-04-25 | 2011-11-30 | 长沙理工大学 | Integral thrusting construction method of network tied arch bridge |
| CN102587291A (en) * | 2012-03-27 | 2012-07-18 | 中交四航局第一工程有限公司 | Walking type multipoint pushing construction method and walking type multipoint pushing construction system for steel box girder |
| CN105274942A (en) * | 2015-11-23 | 2016-01-27 | 柳州欧维姆工程有限公司 | Large-span continuous steel truss multi-point synchronous automatic cyclic alternating sliding shoe push system and construction method thereof |
| CN205934746U (en) * | 2016-08-19 | 2017-02-08 | 中国水利水电第五工程局有限公司 | Walking top pushes away continuous steel case roof beam nose girder and crosses mound composite set |
| CN210031458U (en) * | 2019-03-04 | 2020-02-07 | 中国建筑第八工程局有限公司 | Large-span height difference tie bar arch structure pushing mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 李书全: "土木工程施工", vol. 2, 31 January 2013, 同济大学出版社, pages: 364 * |
| 田建德等: "桥梁工程与施工技术研究", vol. 1, 31 October 2016, 黄河水利出版社, pages: 42 * |
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| CN111549680A (en) * | 2020-04-30 | 2020-08-18 | 中冶(上海)钢结构科技有限公司 | Elevation-adjustable overturn-preventing cushion block and using method thereof |
| CN111535158A (en) * | 2020-05-14 | 2020-08-14 | 中国五冶集团有限公司 | Temporary pier for installation of box girder jacking equipment and its construction method |
| CN111733703A (en) * | 2020-07-02 | 2020-10-02 | 中国建筑第八工程局有限公司 | Accumulated dragging and pushing construction mechanism for bridge structure and construction method thereof |
| CN112323634A (en) * | 2020-10-28 | 2021-02-05 | 安徽省交通建设股份有限公司 | Installation system and construction method of steel arch bridge of upper-span channel |
| CN112240005A (en) * | 2020-11-23 | 2021-01-19 | 中建八局第三建设有限公司 | Tie-bar arch bridge pushing method with large span and large longitudinal slope |
| CN112240005B (en) * | 2020-11-23 | 2022-03-25 | 中建八局第三建设有限公司 | Tie-bar arch bridge pushing method with large span and large longitudinal slope |
| CN113062228A (en) * | 2021-04-20 | 2021-07-02 | 中铁大桥局第九工程有限公司 | Non-rising and falling jumping walking type pushing equipment and pushing method thereof |
| CN115182256A (en) * | 2022-06-30 | 2022-10-14 | 中冶(上海)钢结构科技有限公司 | Walking pushing method for large-span through tied steel arch bridge |
| WO2024098740A1 (en) * | 2022-11-10 | 2024-05-16 | 中交第二航务工程局有限公司 | Integral installation method for superstructure of offshore pile-foundation marine building |
| CN117286807A (en) * | 2023-11-01 | 2023-12-26 | 保利长大工程有限公司 | Bridge sliding equipment and bridge construction system |
| CN117286807B (en) * | 2023-11-01 | 2024-04-30 | 保利长大工程有限公司 | Bridge sliding equipment and bridge construction system |
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