CN108560337A - It is a kind of can hanging quick vertical shift just beam construction method - Google Patents
It is a kind of can hanging quick vertical shift just beam construction method Download PDFInfo
- Publication number
- CN108560337A CN108560337A CN201810343116.3A CN201810343116A CN108560337A CN 108560337 A CN108560337 A CN 108560337A CN 201810343116 A CN201810343116 A CN 201810343116A CN 108560337 A CN108560337 A CN 108560337A
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- Prior art keywords
- jacking
- vertical shift
- box culvert
- hanging
- construction
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The present invention relates to underpass passage construction technical field, especially it is a kind of can hanging quick vertical shift just beam construction method, it is characterised in that:The construction method at least includes the following steps:Hanger rail reinforcing is carried out in the front trigonum circuit of the box culvert of jacking and puts on front just joist steel pillow in advance;It is set up on existing rail and moves beam trolley, using the shifting beam trolley by the hanging vertical shift of just beam to the top position of next box culvert for waiting for jacking.It is an advantage of the invention that:Can adapt to wear under existing railway Business Line linear section, curve section D types in the continuous jacking construction of grade separation multiple box culvert just beam must artificial quick vertical shift engineering characteristic, have many advantages, such as speed of application is fast, efficient, at low cost, plant is light, track blockade number is few, it is small to railroad embankment and security implication, be not required to contact net have a power failure cooperation, especially in the porous jacking construction continuous successively close to box culvert of multiply road busy trunk lines section, the benefit and advantage of this engineering method more highlight.
Description
Technical field
The present invention relates to underpass passage construction technical field, it is especially a kind of can vacantly just beam be applied for quick vertical shift
Work method.
Background technology
With the fast development of Chinese economy, city and railway construction scale constantly expand, and railway is with roadbed circuit shape
The urban transportation that both sides will be obstructed when formula passes through city cannot be satisfied increasingly busy urban transportation and iron using level crossing
Road conevying efficiency and safety requirements.To improve urban transportation present situation, promotes city coordinated development, in urban road and line need to be runed
Road intersection is newly-built(Reconstruction)Overpass beam or under wear box culvert channel, level crossing is changed to grade separation road junction, realizes urban transportation
It is current with high speed with not interfereing with each other for railway transportation, and underpass type box-shaped bridges and culverts influences urban landscape to destroy smaller frequently result in
The favor of people.And set up D types just beam hardened link pipe jacking method has low cost, speed of application fast, and to ambient enviroment
Influence the features such as small, it has also become a kind of main construction techniques in underpass channel, and by gradually expanded application, but it is more
Hole box culvert successively jacking when need repeatedly carry out just beam vertical shift, just beam vertical shift generally use railcar vertical shift method and artificial vertical shift
Method.Railcar vertical shift method is safe and reliable, but of high cost, and electrified section needs contact net power failure cooperation, is inconvenient;It is artificial vertical
Generally also there are two types of methods for shifting method, first, hoist engine draws vertical shift beam method, this method needs the preparation of construction of long period, and moves beam
Security risk is larger in the process;Second is that the shifting beam trolley vertical shift beam method developed in recent years, this method is very smooth in the implementation of straightway circuit,
But it encounters curve circuit and easily causes clamp rail derailment occurring often.In addition, when jacking continuous with section multiple box culvert, typically jacking
After completing a hole box culvert, trigonum backfill need to be first carried out, restores circuit, then will just beam vertical shift be reinforced to next hole box culvert advancing position
Circuit, then can just carry out subsequent handling and jacking construction, the repetition digging up and filling in of circuit not only take consumptive material, efficiency it is low, at
This height, and to circuit stabilization and operation security there is also larger security risk, maintenance work amount is also larger.Therefore, how
Realize the convenient and efficient of D types just beam vertical shift, reduce to track blockade frequency, lifting construction and operation security, be erection D types just
The technical barrier that beam hardened link pipe jacking method is faced.
Invention content
The purpose of the present invention is according to above-mentioned the deficiencies in the prior art, provide it is a kind of can vacantly just beam be applied for quick vertical shift
Work method is rested the head on and is carried out hanger rail reinforcing by wearing just joist steel in advance, can effectively improve the rigidity and bearing capacity of circuit, to real
Now just hanging quick vertical shift of the beam under not backfill state in trigonum in front of jacking box culvert.
The object of the invention realization is completed by following technical scheme:
It is a kind of can hanging quick vertical shift just beam construction method, be used to down wear the continuous jacking construction of grade separation multiple box culvert, it is described
Continuous jacking construction include at least several box culverts the jacking of the kerve of slope one by one and each box culvert advancing it is in place after one by one
Backfill, the just erection make the just beam begin in the top for the box culvert for waiting for jacking and with the jacking vertical shift one by one of the box culvert
It is erected at eventually above the box culvert for waiting for jacking, it is characterised in that:The construction method at least includes the following steps:In the case of jacking
The front trigonum circuit of culvert carries out hanger rail and reinforces and put on front just joist steel pillow in advance;It is set up on existing rail and moves beam trolley,
Using the shifting beam trolley by the hanging vertical shift of just beam to the top position of next box culvert for waiting for jacking.
The hanger rail reinforcing is referred to is arranged rail, steel plate on the outside of the sleeper of the front trigonum circuit of jacking box culvert
Sunpender part and U-shaped hanger rail bolt, the rail are rested the head on by the steel plate sunpender part and the U-shaped hanger rail bolt with the just joist steel
It is connected to a fixed and several just joist steel pillows is made to be connected along line direction.
Just the beam is combined by two panels beam body to be constituted, by crossbeam and to drawing between the two panels beam body during vertical shift
Bar connects and composes one, and the shifting beam trolley is arranged in the bottom of the crossbeam, by the shifting beam trolley on existing rail
Mobile realization described in just beam hanging vertical shift.
It is detachable be fixedly connected between the two panels beam body.
It is an advantage of the invention that:It can adapt to wear the porous case of grade separation under existing railway Business Line linear section, curve section
Contain D types in continuous jacking construction just beam must artificial quick vertical shift engineering characteristic, have speed of application it is fast, it is efficient, at low cost,
Plant is light, track blockade number is few, it is small to railroad embankment and security implication, be not required to contact net have a power failure cooperation the advantages that,
Especially in the porous jacking construction continuous successively close to box culvert of multiply road busy trunk lines section, the benefit and advantage of this engineering method
More highlight;It moves beam trolley by novel two-wheel edge and lengthens and reinforce gooseneck, move beam trolley and be connected into pairs using insulating bar, led to
Cross two pairs of trolleies respectively at front and back carrying gooseneck provoke construction beam vertical shift, manually force in gooseneck and just beam to control
Beam process steady and smooth is moved in vertical shift speed and direction, is avoided curved section and is moved beam clamp rail derailment occurring;It is reinforced by hanger rail hanging
Just beam technology can effectively improve the rigidity and bearing capacity of circuit by using rail hanger rail technology hardened link for vertical shift, be jacking
Hanging shifting beam offer under case trigonum not backfill state is possible, to avoid the repetition of the trigonum from backfilling and excavate, more has
Conducive to cost-effective and shorten the construction period, it is more advantageous to and ensures that railway bed is stable and traffic safety;By updating light-weight electric machine
Tool, optimized construction procedure and labour organization arrangement realize a block point(120min)It is interior that by one group of D24 type, just beam is torn open
Unload, vertical shift and installation it is in place, greatly improve construction efficiency, fabulous ensure that construction quality and traffic safety.
Description of the drawings
Fig. 1 is the construction procedure figure I of the present invention;
Fig. 2 is the construction procedure figure II of the present invention;
Fig. 3 is the construction procedure figure III of the present invention;
Fig. 4 is the construction procedure figure IV of the present invention;
Fig. 5 is the construction procedure figure V of the present invention;
Fig. 6 is the construction procedure figure VI of the present invention;
Fig. 7 is the mounting structure schematic diagram of hanger rail part in the present invention;
Fig. 8 is the just ready elevational schematic view of the hanging vertical shift of beam in the present invention.
Specific implementation mode
Feature of present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, so as to
In the understanding of technical staff of the same trade:
As shown in figures 1-8, figure label 1-22 is expressed as:Just beam 1, just beam buttress 2, the first box culvert 3, back filled region 4, hanger rail
It reinforces section 5, front steel sleeper 6, move beam trolley 7, the second box culvert 8, back filled region 9, third box culvert 10, just joist steel pillow 11, rail 12, steel
Plate hanger rail part 13, U-shaped hanger rail bolt 14, railway roadbed 15, existing rail 16, sleeper 17, beam body 18, beam body 19, crossbeam 20, to pull rod
21, hardwood bed course 22.
Embodiment:In the present embodiment can the construction method of hanging quick vertical shift just beam be used to down wear the company of grade separation multiple box culvert
Among continuous jacking construction, the construction for by several mutually independent box culverts one by one jacking and under wear existing railway.As shown in figures 1 to 6
Construction procedure figure, continuous jacking construction may include the first box culvert 3, the second box culvert 8 and third box culvert 10, three box culverts difference
One by one jacking and under wear the existing railway above it to constitute grade separation road junction, realize not doing mutually for urban transportation and railway transportation
It disturbs and high speed is current.
The present embodiment wears grade separation multiple box culvert continuous jacking construction step under combining is specifically described, as follows:
1)As shown in Figure 1, completing stiffening basic ground and the just construction of beam buttress 2, just beam 1 is set up on just beam buttress 2, just beam
1 and just the position of beam buttress 2 and the design position of the first box culvert 3 match.After just beam 1 is in place, go slowly item in circuit
The first box culvert of slope kerve jacking 3 under part.In conjunction with shown in Fig. 8, just beam buttress 2 is separately positioned on the both sides of railway roadbed 15, and just
The back of beam buttress 2 is provided with sleeper 17, and just beam 1 is supported on sleeper 17.
2)As shown in Fig. 2, after 3 jacking of the first box culvert is in place, the backfill in back filled region 4, the back filled region 4 includes the first box culvert
3 rears trigonum and case top region.Meanwhile hanger rail is carried out to just 1 front trigonum circuit of beam and reinforces to form hanger rail reinforcing section 5,
And front just joist steel pillow 6 is put in advance using block point(As just joist steel rests the head on 11, and front herein is referred to by just 1 side of movement of beam
To front).Just joist steel pillow 11 is threaded through between every two concrete crossties of existing railway.
As shown in fig. 7, being provided with the rail 12 arranged along line direction on just joist steel pillow 11, set in the top of rail 12
It is equipped with steel plate hanger rail part 13, steel plate hanger rail part 13 is interlocked with just joist steel pillow 11 by U-shaped hanger rail bolt 14 and fastened.At this point, wearing
Be located between every two concrete crossties of existing railway several just joist steels pillow 11 will pass through rail 12, steel plate hanger rail part 13 and
U-shaped hanger rail bolt 14, which is connected and fixed, to be integrally formed, and to realize that the hanger rail to the hanging section in jacking box culvert trigonum is reinforced, is improved
The rigidity and bearing capacity of circuit itself, to ensure that shifting beam is small vehicle-mounted during the circuit after hanger rail is reinforced can bear just beam vertical shift
Just beam by when each load action, and be unlikely to occur that the accidents such as rail fracture and hard bending deformation restore circuit and safety is logical
Row brings adverse effect.
3)As shown in figure 3, completing step 2)Later, track blockade, using move beam trolley 7 will just beam 1 be moved to it is next
It waits for the box culvert i.e. design position of the second box culvert 8 of jacking, circuit is opened after completing the just installation and the maintenance of way of beam 1.At this point, by
It is not backfilled in the 3 hanging section in front trigonum of the first box culvert, therefore, just the actually vertical shift of beam 1 is by 3 front three of the first box culvert
The hanging section in angular region, i.e., referred to as hanging vertical shift.
As shown in figure 8, just beam 1 is made of beam body 18 and beam body 19 this two panels beam body, and in the jacking of box culvert, 18 He of beam body
Beam body 19, which is integrally formed, to play supporting role, and when it is in vertical shift, beam body 18 and beam body 19 are disintegrated in order to its movement.Such as figure
Shown in 8, in vertical shift, beam body 18 and beam body 19 are integrally formed by the crossbeam 20 at middle part and being connected and fixed.
After crossbeam 20 is installed in place, using hydraulic tool for taking up tracks by beam body 18 and beam body 19 it is single-ended synchronize lift, lift to
After certain altitude, two existing steel that beam trolley 7 slides onto the lower section of crossbeam 20 and is respectively erected in existing railway are moved by two
On rail 16, while two layers of hardwood bed course 22 is shelved in the top of shifting beam trolley 7 at two, to ensure two stress for moving beam trolley 7
Stable and uniform improves stability when just 1 vertical shift of beam and safety.After moving beam trolley 7 in place, the just beam 1 of jack-up is fallen and is moved up
On beam trolley 7.
After moving beam trolley 7 in place, in the top of beam body 18 and beam body 19, setting is to pull rod 21, to pull rod 21 for reducing
The degree of disturbing of crossbeam 20 deforms, and prevents beam body 18 and beam body 19 from occurring " eight words " phenomenon during vertical shift, and collision lower part is worn in advance
Just joist steel pillow 11.
After all preparations are ready, hanging quick vertical shift is carried out to just beam 1, moves it to next case for waiting for jacking
Contain the design position of i.e. the second box culvert 8.Just after 1 vertical shift of beam is in place, beam trolley 7 is removed, removes crossbeam 20 and to pull rod 21.It tears open
Except after the completion, being finely adjusted to the position of beam body 18 and beam body 19, the assembly of the two is completed after the completion of fine tuning.
4)As shown in figure 4, after just beam 1 completes vertical shift and sets up in place, slope kerve jacking under the conditions of circuit is gone slowly
Second box culvert 8, synchronous pre- wear that front sleeper 6 is carried out using block point are reinforced with hanger rail.
5)As shown in figure 5, after 8 jacking of the second box culvert is in place, backfilled in the back filled region 9 of the second box culvert 8, back filled region
9 include the rear cabinet top region of the second box culvert 8.Meanwhile circuit is blocked, just 1 ladder of beam, according to step 3)In identical mode utilize
Beam trolley 7 is moved by just 1 hanging vertical shift of beam to the jacking position of third box culvert 10.
6)The slope kerve jacking third box culvert 10 under the conditions of circuit is gone slowly, so move in circles step 4)With step 5),
Until backfilling circuit after the completion of all box culvert advancings, removing just beam.
Compared to existing technologies, the prior art needs to return to what the trigonum in front of the box culvert of jacking was repeated
It fills out and excavates, but be then in the state that front trigonum is in hanging section, by wearing just joist steel pillow in advance in the present embodiment
And hanger rail reinforcing is carried out, it realizes the hanging vertical shift of just beam, is more advantageous to cost-effective and shortens the construction period, while being more advantageous to guarantee
Railway bed stabilization and traffic safety.
The present embodiment is in the specific implementation:In order to avoid just beam 1 beam body 18 and beam body 19 during vertical shift with wear in advance
Front steel sleeper 6 collide, just beam 1 is using rack-and-pinion trackshifter after beam body 18 and beam body 19 by beam body 18 and beam body disintegrating
19 is traversing outward respectively.When traversing, beam body 18 and beam body 19 are coupled with just joist steel pillow 11 by hookup respectively, prevented
Beam body 18 and beam body 19 are toppled when traversing.
Although above example elaborates the design of the object of the invention and embodiment with reference to attached drawing, this
Field those of ordinary skill will recognize, still can be right in the case where no disengaging claim limits the precondition of range
The present invention makes various modifications and variations, therefore does not repeat one by one herein.
Claims (4)
1. it is a kind of can hanging quick vertical shift just beam construction method, be used to down wear the continuous jacking construction of grade separation multiple box culvert, institute
State continuous jacking construction including at least several box culverts the jacking of the kerve of slope one by one and each box culvert advancing it is in place after by
One backfill, the just erection make the just beam in the top for the box culvert for waiting for jacking and with the jacking vertical shift one by one of the box culvert
Always it is erected above the box culvert for waiting for jacking, it is characterised in that:The construction method at least includes the following steps:In jacking
The front trigonum circuit of box culvert carries out hanger rail and reinforces and put on front just joist steel pillow in advance;It is small that shifting beam is set up on existing rail
Vehicle, using the shifting beam trolley by the hanging vertical shift of just beam to the top position of next box culvert for waiting for jacking.
2. it is according to claim 1 it is a kind of can hanging quick vertical shift just beam construction method, it is characterised in that:The hanger rail
Reinforcing is referred to is arranged rail, steel plate sunpender part and U-shaped hanger rail spiral shell on the outside of the sleeper of the front trigonum circuit of jacking box culvert
Bolt, if the rail is connected to a fixed and is made with just joist steel pillow by the steel plate sunpender part and the U-shaped hanger rail bolt
Dry just joist steel pillow is connected along line direction.
3. it is according to claim 1 it is a kind of can hanging quick vertical shift just beam construction method, it is characterised in that:Just the beam
It is combined and is constituted by two panels beam body, one is connected and composed by crossbeam and to pull rod between the two panels beam body during vertical shift,
The shifting beam trolley is arranged in the bottom of the crossbeam, by described in mobile realization of the shifting beam trolley on existing rail just
The hanging vertical shift of beam.
4. it is according to claim 3 it is a kind of can hanging quick vertical shift just beam construction method, it is characterised in that:The two panels
It is detachable be fixedly connected between beam body.
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CN201810343116.3A CN108560337B (en) | 2018-04-17 | 2018-04-17 | It is a kind of can hanging quick vertical shift just beam construction method |
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CN201810343116.3A CN108560337B (en) | 2018-04-17 | 2018-04-17 | It is a kind of can hanging quick vertical shift just beam construction method |
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CN108560337B CN108560337B (en) | 2019-12-03 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111676819A (en) * | 2020-06-08 | 2020-09-18 | 中铁六局集团太原铁路建设有限公司 | Jacking construction method for combined type temporary beam continuous reinforced line large-span frame structure bridge |
CN112854016A (en) * | 2021-04-12 | 2021-05-28 | 铁道第三勘察设计院有限公司 | Protection method for existing railway in jacking process of separated frame-structured bridge |
CN112878216A (en) * | 2020-11-30 | 2021-06-01 | 中国十七冶集团有限公司 | Suspension type railway underpass box culvert jacking track reinforcing method |
CN113356092A (en) * | 2021-07-05 | 2021-09-07 | 中铁上海设计院集团有限公司 | Construction method for widening underpass railway frame bridge |
CN113931014A (en) * | 2021-11-12 | 2022-01-14 | 中铁西安勘察设计研究院有限责任公司 | Railway integral jacking frame interchange system and construction method thereof |
CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
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CN102817329A (en) * | 2012-09-07 | 2012-12-12 | 中铁二十五局集团第二工程有限公司 | Process for erecting construction auxiliary girder on existing railway |
CN205836825U (en) * | 2016-08-03 | 2016-12-28 | 江苏雷威建设工程有限公司 | Railway D type construction beam vertical shift accessory cart |
CN206070390U (en) * | 2016-09-26 | 2017-04-05 | 中铁第五勘察设计院集团有限公司 | A kind of construction beam vertical shift equipment |
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CN102817329A (en) * | 2012-09-07 | 2012-12-12 | 中铁二十五局集团第二工程有限公司 | Process for erecting construction auxiliary girder on existing railway |
CN205836825U (en) * | 2016-08-03 | 2016-12-28 | 江苏雷威建设工程有限公司 | Railway D type construction beam vertical shift accessory cart |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111676819A (en) * | 2020-06-08 | 2020-09-18 | 中铁六局集团太原铁路建设有限公司 | Jacking construction method for combined type temporary beam continuous reinforced line large-span frame structure bridge |
CN112878216A (en) * | 2020-11-30 | 2021-06-01 | 中国十七冶集团有限公司 | Suspension type railway underpass box culvert jacking track reinforcing method |
CN112854016A (en) * | 2021-04-12 | 2021-05-28 | 铁道第三勘察设计院有限公司 | Protection method for existing railway in jacking process of separated frame-structured bridge |
CN113356092A (en) * | 2021-07-05 | 2021-09-07 | 中铁上海设计院集团有限公司 | Construction method for widening underpass railway frame bridge |
CN113356092B (en) * | 2021-07-05 | 2023-08-15 | 中铁上海设计院集团有限公司 | Construction method for widening underpass railway frame bridge |
CN113931014A (en) * | 2021-11-12 | 2022-01-14 | 中铁西安勘察设计研究院有限责任公司 | Railway integral jacking frame interchange system and construction method thereof |
CN113931014B (en) * | 2021-11-12 | 2022-11-18 | 中铁西安勘察设计研究院有限责任公司 | Railway integral jacking frame interchange system and construction method thereof |
CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
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