CN107447681A - A kind of precast plate girder erection method - Google Patents
A kind of precast plate girder erection method Download PDFInfo
- Publication number
- CN107447681A CN107447681A CN201710551254.6A CN201710551254A CN107447681A CN 107447681 A CN107447681 A CN 107447681A CN 201710551254 A CN201710551254 A CN 201710551254A CN 107447681 A CN107447681 A CN 107447681A
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- China
- Prior art keywords
- precast plate
- plate girder
- bridge
- place
- girder
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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
Abstract
The invention discloses a kind of precast plate girder erection method, is related to precast plate girder installation field, including:S1:Along bridge to two parallel truss of arrangement on two adjacent bridge piers, while the track of walking shifting beam chassis is provided in truss top surface, and beam bogie frame will be moved on track;S2:Beam car transports precast plate girder to first position, and precast plate girder is kept with bridge to parallel;S3:Move beam chassis and lift by crane precast plate girder close to one end of the second place, while drive precast plate girder and move beam chassis together along bridge to moving, until precast plate girder reaches the second place;S4:Precast plate girder is positioned on the second place;S5:Beam car is transported at next precast plate girder to first position, circulation step S2, S3 and S4, until completing the construction of all precast plate girders on adjacent two bridge pier.The present invention is easy for construction, and effectively reduces the use of the medium-and-large-sized bridge formation lifting appliance of bridge erection process.
Description
Technical field
The present invention relates to precast plate girder installation field, and in particular to a kind of precast plate girder erection method.
Background technology
With the rapid development of the engineering constructions such as highway in China, municipal administration, the use of bridge is also more frequent, particularly in public affairs
It is more and more in the bridge built in the process of construction of road municipal.
In the process of construction of bridge, to site environment during the completion time of project and bridge construction for the whole bridge of shortening
Interference, the bridge of prefabricated board beam type is widely adopted, and the installation for precast plate girder, need to use special large-scale bridging equipment
And loop wheel machine, and bridge construction scene is often due to the limitation of place and environment, can not give special large-scale bridging equipment and loop wheel machine
Arrangement enough space is provided, and special large-scale bridging equipment installing/dismounting process is cumbersome, use and hiring cost are higher,
The erection speed of whole bridge is influenceed, while the bridge construction cost also greatly increased.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of precast plate girder erection method, apply
Work is convenient, and effectively reduces the use of the medium-and-large-sized bridge formation lifting appliance of bridge erection process.
To achieve the above objectives, the present invention adopts the technical scheme that, including:
S1:Along bridge to two parallel truss of arrangement on two adjacent bridge piers, while it is provided for walking in truss top surface and moves beam
The track of chassis, and beam bogie frame will be moved on track;
S2:Beam car transports precast plate girder to first position, and precast plate girder is kept with bridge to parallel;
S3:Move beam chassis and lift by crane precast plate girder close to one end of the second place, while drive precast plate girder and move beam chassis
Together along bridge to moving, until precast plate girder reaches the second place;
S4:Precast plate girder is positioned on the second place;
S5:Beam car is transported at next precast plate girder to first position, circulation step S2, S3 and S4, until completing adjacent
The construction of all precast plate girders on two bridge piers.
On the basis of above-mentioned technical proposal,
The second place is the region that erecting plate-girder is treated on adjacent two bridge pier;
The first position is close to the region of the second place along construction direction;
The beam car includes first move portion and tail move portion;
When beam car transports precast plate girder, the both ends of the precast plate girder are respectively placed in first move portion and tail move portion
On.
On the basis of above-mentioned technical proposal, S2 is specially:
S201:Beam car is transported at precast plate girder to first position, and the tail move portion of beam car is close to the second place;
S202:The position of first move portion is adjusted, until precast plate girder and bridge are to parallel.
On the basis of above-mentioned technical proposal, S3 is specially:
S301:Lifting precast plate girder is located at the end in tail move portion to shifting beam chassis, while removes tail move portion;
S302:For first move portion along bridge to moving and driving precast plate girder along bridge to moving, precast plate girder, which drives, moves beam chassis
Along bridge to moving, until precast plate girder is reached above the second place;
S303:Lifting precast plate girder is located at the end in first move portion, while removes first move portion.
On the basis of above-mentioned technical proposal, it is on beam chassis and prefabricated to moving that precast plate girder is located at the end in tail move portion
The lifting that plate-girder is located at first move portion upper end is completed by truck crane.
On the basis of above-mentioned technical proposal, the precast plate girder of the second place is positioned over, one end of wherein precast plate girder is put
It is placed on a bridge pier, the other end is positioned on another bridge pier, and is positioned over the precast plate girder of the second place between two truss.
On the basis of above-mentioned technical proposal, between mounted precast plate girder laterally fix on adjacent two bridge pier.
On the basis of above-mentioned technical proposal, the shifting beam chassis includes:
Crossbeam, it is set along perpendicular to the truss direction;
Two running parts, the lower section at the crossbeam both ends is each to fix a running part, and a walking portion is located at a truss top surface
On track, another running part is located on the track of another truss top surface, and the lower section of the running part, which is provided with, to be used in the track
The pulley of upper walking;
On the basis of above-mentioned technical proposal, the precast plate girder both ends be equipped with 2 be used for lift by crane suspension ring.
On the basis of above-mentioned technical proposal, the hanging beam overhead crane is 2, and 2 hanging beam overhead cranes are along crossbeam length direction
It is set up in parallel, and a jack is equipped with each hanging beam overhead crane.
Compared with prior art, the advantage of the invention is that:
(1) on bridge pier set truss carry out move beam chassis laying, by move beam chassis lift by crane precast plate girder, along bridge to
One end of precast plate girder is set to be moved at a bridge pier above another bridge pier so that the both ends of precast plate girder are respectively positioned on two bridges
On pier, erection of the precast plate girder on bridge pier is completed, is avoided in the erection process of precast plate girder using large bridge erection etc.
Lifting appliance, whole erection process simply and conveniently, effectively save the bridge construction duration.
(2) move beam chassis and lift by crane precast plate girder during another bridge pier is moved to from a bridge pier, driven by beam car
Precast plate girder and move beam chassis move, without to move beam chassis be powered wait auxiliary facility setting, reduction frame
If when auxiliary facility setting, the convenience of effective bridge construction.
(3) erection of whole precast plate girder, which is operated in more than bridge floor and bridge floor, completes, compared to being lifted by crane under bridge for routine
The mode that precast plate girder is set up, reduces the processing work to place under bridge, effectively improves efficiency of construction.
Brief description of the drawings
Fig. 1 is the side view that the present invention moves beam chassis arrangement;
Fig. 2 is the top view that the present invention moves beam chassis arrangement;
Fig. 3 is the front view that the present invention moves beam chassis;
Fig. 4 is schematic diagram when step S2 of the present invention is implemented;
Fig. 5 is schematic diagram when step S3 of the present invention is implemented;
Fig. 6 is schematic diagram when step S4 of the present invention is implemented.
Wherein, 1- bridge piers, 2- truss, 3- move beam chassis, 31- crossbeams, 32- running parts, 33- hanging beam overhead cranes, 4- prefabricated boards
Beam, 5- beam cars, 51- head move portions, 52- tail move portions.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention provides a kind of precast plate girder erection method, the construction for bridge floor for the bridge of precast plate girder 4, specifically
For in the erection process of precast plate girder 4, precast plate girder 4 is moved into the second place from first position along bridge construction direction
And position, in the erection of reality, after the completion of precast plate girder 4 is set up, the hole that precast plate girder 4 is located at bridge is stepped up, i.e., prefabricated
One end of plate-girder 4 is located on the bridge pier 1 in adjacent bridge pier 1, and the other end is located on another bridge pier 1 in adjacent bridge pier 1, bridge
Construction direction is from end of the bridge to bridge center position during erection.The second place in the present invention is pre- to wait to set up on adjacent two bridge pier 1
The region of making sheet beam 1, first position be along construction direction close to the region of the second place, and with the progress of construction, first
Putting can change with the second place, and when the erection of precast plate girder 1 is stepped up in the next hole of progress, the hole, which is stepped up, treats erecting
The region of plate-girder 1 becomes the second place, and a upper second place becomes first position.This method specifically includes:
S1:It is shown in Figure 1, along bridge to two parallel truss 2 of arrangement on two adjacent bridge piers 1, specific reference to Fig. 2 institutes
Show, i.e., one end of wherein one truss 2 is located on a bridge pier 1, and the other end is located on another bridge pier 1, one end of another truss 2
On a bridge pier 1, the other end is located on another bridge pier 1, is parallel between two truss 2 and is set in distance, specifically, two truss
2 are located at the outside of whole bridge floor, and the precast plate girder 4 after the completion of erection is set between two truss 2, while in the top surface of truss 2
The track of beam chassis 3 is moved for walking, and is set up in beam chassis 3 is moved on track, beam chassis 3 is moved and generally comprises two for going
The supporting part walked, two supporting parts are respectively on a track.
Shown in Figure 3 for moving beam chassis 3, moving beam chassis 3 includes the running part 32 of crossbeam 31 and two, and crossbeam 31 is along vertical
Directly set in the direction of truss 2, i.e., crossbeam 31 is perpendicular to two truss 2.The lower section at the both ends of crossbeam 31 is each to fix a running part 32, its
In, a running part 32 is located on the track of the top surface of a truss 2, and another running part 32 is located on the track of another top surface of truss 2, OK
The lower section for walking portion 32 is provided with and is used for the pulley walked in orbit, in the presence of pulley so that the whole beam chassis 3 that moves can be
Walked on track, even if moving beam chassis 3 along bridge to moving.The lower section of crossbeam 31 is additionally provided with the hanging beam for lifting by crane precast plate girder 4
Driving 33, and hanging beam overhead crane 33 can move along the length direction of crossbeam 31, specifically, hanging beam overhead crane 33 is 2, and 2 hanging beams
Driving 33 is set up in parallel along the length direction of crossbeam 31, and is equipped with a jack, accordingly, precast plate girder on each hanging beam overhead crane 33
4 both ends be equipped with 2 be used for lift by crane suspension ring, be connected by jack with the suspension ring on precast plate girder 4, so as to complete shifting Liang Tai
Lifting of the car 3 to precast plate girder 4, meanwhile, hanging beam overhead crane 33 is 2, is easy to when being lifted by crane to precast plate girder 4, keeps prefabricated board
The balance of the one end of beam 4.
To ensure being normally carried out for construction, to moving after the completion of beam chassis 3 arranges, to the truss 2 arranged and Liang Tai need to be moved
Car 3 carries out detection examination, and specific detection project includes:Single 2 longitudinal both ends of truss are with the presence or absence of difference in height, two purlin truss 2
Between with the presence or absence of whether being completely fixed between difference in height, truss 2 and bridge pier 1, move beam chassis 3 and can move freely in orbit
Deng.
S2:Shown in Figure 4, beam car 5 transports precast plate girder 4 to first position, and precast plate girder 4 is kept with bridge to flat
OK.Precast plate girder 4 typically completes in prefabricated place, it is therefore desirable to is transported precast plate girder 4 from prefabricated place using beam car 5
It is sent at bridge construction.In the bridge construction process of reality, typically at the end of the bridge construct, i.e., first to from end of the bridge
The precast plate girder 4 that first hole is stepped up on two bridge piers 1 is installed, and therefore, what now first hole was stepped up treats erecting plate
The region of beam 1 is the second place, is first position at end of the bridge.
Beam car 5 includes first move portion 51 and tail move portion 52, and both can independently move.Beam car 5 transports prefabricated
During plate-girder 4, the both ends of precast plate girder 4 are respectively placed in first move portion 51 and tail move portion 52.
This step specifically includes:
S201:Beam car 5 is transported at precast plate girder 4 to first position, and the tail move portion 52 of beam car 5 is close to second
Put;
S202:The position of first move portion 51 is adjusted, until precast plate girder 4 and bridge are to parallel.
S3:It is shown in Figure 5, move beam chassis 3 and lift by crane precast plate girder 4 close to one end of the second place, while along bridge to shifting
One end that dynamic precast plate girder 4 does not lift by crane, while drive precast plate girder 4 and move beam chassis 3 together along bridge to moving, until prefabricated board
The arrival second place of beam 4.During precast plate girder 4 is moved to the second place from first position, precast plate girder 4 is close to second
The end of position is moved to above a bridge pier 1 above another bridge pier 1.Specifically:
S301:The mobile beam chassis 3 that moves will move beam chassis 3 and move to the end of the close second place of precast plate girder 4
To an end portion of precast plate girder 1, the end is that precast plate girder 1 is located at tail close to the end of the second place, lifting precast plate girder 4
To moving on beam chassis 3, the jack moved on beam chassis 3 is connected with the suspension ring on precast plate girder 4, general to rise for end in move portion 52
10cm is hung, while removes tail move portion 52.Precast plate girder 4 is located at the end in tail move portion 52 to the process moved on beam chassis 3
It can be completed by truck crane.
S302:For first move portion 51 along bridge to moving and driving precast plate girder 4 along bridge to moving, precast plate girder 4, which drives, moves beam
For chassis 3 along bridge to moving, i.e., first move portion 51 drives precast plate girder 4 and shifting beam chassis 3 to move and moved along end of the bridge to bridge center position
Dynamic, until precast plate girder 4 is reached above the second place, now one end of precast plate girder 4 is located at the top of a bridge pier 1, other end position
Above another bridge pier 1.Precast plate girder 4 is during movement all the time with bridge to parallel.Meanwhile driven by first move portion 51
Precast plate girder 4 and shifting beam chassis 3 move, and move the supply electric energy of beam chassis 3 without giving, the power that precast plate girder 4 moves is complete
There is provided by first move portion 51, further enhancing the applicability of the erection method of precast plate girder 4 of the present invention.
S303:Lifting precast plate girder 4 is located at the end in first move portion 51, while removes first move portion 51, now, prefabricated
Plate-girder 4 is maked somebody a mere figurehead.The lifting that precast plate girder 4 is located at the first upper end of move portion 51 can be completed by truck crane.
S4:It is shown in Figure 6, precast plate girder 4 is positioned on the second place, that is, places precast plate girder 4 in two bridge piers 1
On, i.e. one end of wherein precast plate girder 4 is positioned on a bridge pier 1, and the other end of precast plate girder 4 is positioned on another bridge pier 1, and
The precast plate girder 4 on bridge pier 1 is positioned between two truss 2.
S5:Beam car 5 is transported at next precast plate girder 4 to first position, circulation step S2, S3 and S4, until completing phase
The construction of all precast plate girders 4 on adjacent two bridge piers 1.Bridge floor on two bridge piers 1 is made up of polylith precast plate girder 4, and each prefabricated board
Beam 4 is in the same plane, it is therefore desirable to repeats the above steps, the precast plate girder 4 on two bridge piers 1 is set up successively, directly
To the erection for completing all precast plate girders 4 on two bridge piers 1.
, can be at every piece of both ends of precast plate girder 4 to prevent beam body from tilting for setting up the monolithic precast plate girder 4 completed
Oblique hardwood is set to be supported in the range of the load-bearing of outside, the bottom of precast plate girder 4 is held out against using wooden wedge, to reach to prefabricated board
The effect that beam 4 is fixed, meanwhile, between mounted precast plate girder 4 laterally fix on adjacent two bridge pier 1, prevent precast plate girder 4
Inclination, roll.
For from end of the bridge, the erection for the precast plate girder 4 that second hole is stepped up, now second hole, which is stepped up, treats erecting
The region of plate-girder 4 is the second place, and the region that erecting plate-girder 4 is stepped up in previous first hole becomes first position, second
The erection for the precast plate girder 4 that hole is stepped up is identical with the above-mentioned erection method of precast plate girder 4, i.e., in first hole across the restocking of two bridge pier 1
If laying steel plate on the precast plate girder 4 completed, then beam car 5 transports precast plate girder 4 and driven on steel plate, makes precast plate girder 4
One end close to next hole across the region for treating erecting plate-girder 4, then repeat the above steps, complete next hole across two bridge piers 1
On precast plate girder 4 erection, the rest may be inferred, until completing the erection that precast plate girder 4 is stepped up in bridge all holes.
Certainly, for next hole across precast plate girder 4 on two bridge piers 1 erection, additionally it is possible to using the lifting of truck crane
Erection method, i.e., equally in a upper hole across laying steel plate on the precast plate girder 4 for setting up completion on two bridge piers 1, then two truck crane
One end of precast plate girder 4 to be set up respectively is lifted by crane, is travelled to steel plate, the both ends of precast plate girder 4 are then positioned over next hole
Across on two bridge piers 1, the rest may be inferred, completes the erection of all precast plate girders 4.
The precast plate girder erection method of the present invention, by way of being set on bridge pier 1 and moving beam chassis 3, move beam chassis 3 and rise
Precast plate girder 4 is hung, along construction direction, when one end of precast plate girder 4 is moved at a bridge pier 1 above another bridge pier 1, now
The other end of precast plate girder 4 is also necessarily located at the top of bridge pier 1, so that the both ends of precast plate girder 4 are respectively positioned on two bridge piers 1,
Erection of the precast plate girder 4 on bridge pier 1 is completed, avoids rising using large bridge erection etc. in the erection process of precast plate girder 4
Hang equipment, whole erection process simply and conveniently, effectively saves the bridge construction duration.Meanwhile move beam chassis 3 and lift by crane precast plate girder
4 from first position to the second place, i.e., from during a bridge pier 1 is moved to another bridge pier 1, prefabricated board is driven by beam car 5
Beam 4 and shifting beam chassis 3 move, without to moving beam chassis 3 using auxiliary facilities such as power supplies, effectively increasing bridge and applying
The convenient degree of work.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
- A kind of 1. precast plate girder erection method, suitable for being moved to precast plate girder (4) from first position along bridge construction direction The second place simultaneously positions, it is characterised in that including:S1:Along bridge to two parallel truss (2) of arrangement on adjacent two bridge piers (1), while it is provided for walking in truss (2) top surface The track of beam chassis (3) is moved, and beam chassis (3) will be moved and be set up on track;S2:Beam car (5) transports precast plate girder (4) to first position, and precast plate girder (4) is kept with bridge to parallel;S3:Beam chassis (3) lifting precast plate girder (4) is moved close to one end of the second place, while drives precast plate girder (4) and moves beam Chassis (3) is together along bridge to moving, until precast plate girder (4) reaches the second place;S4:Precast plate girder (4) is positioned on the second place;S5:Beam car (5) is transported at next precast plate girder (4) to first position, circulation step S2, S3 and S4, until completing phase The construction of all precast plate girders (4) on adjacent two bridge piers (1).
- A kind of 2. precast plate girder erection method as claimed in claim 1, it is characterised in that:The second place is the region that erecting plate-girder (1) is treated on adjacent two bridge pier (1);The first position is close to the region of the second place along construction direction;The beam car (5) includes first move portion (51) and tail move portion (52);When beam car (5) transports precast plate girder (4), the both ends of the precast plate girder (4) be respectively placed in first move portion (51) and In tail move portion (52).
- 3. a kind of precast plate girder erection method as claimed in claim 2, it is characterised in that S2 is specially:S201:Beam car (5) transports precast plate girder (4) at first position, and the tail move portion (52) of beam car (5) is close to the Two positions (1);S202:The position of first move portion (51) is adjusted, until precast plate girder (4) and bridge are to parallel.
- 4. a kind of precast plate girder erection method as claimed in claim 3, it is characterised in that S3 is specially:S301:Lifting precast plate girder (4) is located at the end in tail move portion (52) to shifting beam chassis (3), while removes tail shifting Dynamic portion (52);S302:Along bridge to moving and driving precast plate girder (4) along bridge to moving, precast plate girder (4) drives to be moved first move portion (51) Beam chassis (3) is along bridge to moving, until precast plate girder (4) is reached above the second place;S303:Lifting precast plate girder (4) is located at the end in first move portion (51), while removes first move portion (51).
- A kind of 5. precast plate girder erection method as claimed in claim 4, it is characterised in that:Precast plate girder (4) is located at tail movement The lifting for being located at first move portion (51) upper end on end to shifting beam chassis (3) in portion (52) with precast plate girder (4) passes through Truck crane is completed.
- A kind of 6. precast plate girder erection method as claimed in claim 4, it is characterised in that:It is positioned over the prefabricated board of the second place Beam (4), one end of wherein precast plate girder (4) are positioned on a bridge pier (1), and the other end is positioned on another bridge pier (1), and are placed In the second place precast plate girder (4) between two truss (2).
- A kind of 7. precast plate girder erection method as claimed in claim 1, it is characterised in that:Installed on adjacent two bridge pier (1) Precast plate girder (4) between carry out it is laterally fixed.
- 8. a kind of precast plate girder erection method as claimed in claim 1, it is characterised in that the shifting beam chassis (3) includes:Crossbeam (31), it is set along perpendicular to the truss (2) direction;Two running parts (32), the lower section at crossbeam (31) both ends is each to fix a running part (32), and a running part (32) is located at On the track of one truss (2) top surface, another running part (32) is located on the track of another truss (2) top surface, the running part (32) lower section is provided with the pulley for being used for walking on the track;Wherein, the hanging beam overhead crane (33) for lifting by crane precast plate girder (4), and the hanging beam row are additionally provided with below the crossbeam (31) Car (33) can move along the crossbeam (31) length direction.
- A kind of 9. precast plate girder erection method as claimed in claim 8, it is characterised in that:Precast plate girder (4) both ends Be equipped with 2 be used for lift by crane suspension ring.
- A kind of 10. precast plate girder erection method as claimed in claim 9, it is characterised in that:The hanging beam overhead crane (33) is 2 It is individual, and 2 hanging beam overhead cranes (33) are set up in parallel along crossbeam (31) length direction, and be equipped with one on each hanging beam overhead crane (33) and fall Chain.
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CN113502848A (en) * | 2021-08-24 | 2021-10-15 | 中铁广州工程局集团有限公司 | Translation installation method for prefabricated plate under assembled station cover plate |
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CN108625270A (en) * | 2018-06-25 | 2018-10-09 | 成都市市政工程(集团)有限责任公司 | Nose girder gantry crane installs bridge prefabrication box girder construction method |
CN112647421A (en) * | 2020-12-21 | 2021-04-13 | 上海宝冶集团有限公司 | Prefabricated plate girder hoisting method |
CN113502848A (en) * | 2021-08-24 | 2021-10-15 | 中铁广州工程局集团有限公司 | Translation installation method for prefabricated plate under assembled station cover plate |
CN114592433A (en) * | 2022-03-07 | 2022-06-07 | 中铁广州工程局集团有限公司 | Segmental beam dragging and sliding device and method for passing pier and storing beam |
CN114592433B (en) * | 2022-03-07 | 2024-03-08 | 中铁广州工程局集团有限公司 | Segmental beam dragging and sliding device and pier-passing beam storage method |
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Application publication date: 20171208 |