CN106988165A - A kind of track linear control method for multi-thread high-speed railway bridge - Google Patents
A kind of track linear control method for multi-thread high-speed railway bridge Download PDFInfo
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- CN106988165A CN106988165A CN201710230107.9A CN201710230107A CN106988165A CN 106988165 A CN106988165 A CN 106988165A CN 201710230107 A CN201710230107 A CN 201710230107A CN 106988165 A CN106988165 A CN 106988165A
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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
- E01B2/00—General structure of permanent way
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention belongs to technical field of bridge engineering, and in particular to a kind of track linear control method for multi-thread high-speed railway bridge, comprise the steps：A：Determine railway line sequence of construction；B：Basis is built；C：Annex is constructed；D：Track laying.The track linear control method of the multi-thread high-speed railway bridge of the application, particularly directed in multi-thread high-speed railway bridge, it is the timing requirements that are open to traffic that can make each bar railway line according to step A first, successively it is open to traffic, the railway line being first open to traffic comes into operation in advance, so, railway coming into operation as early as possible can be ensured, and then ensure that the economy during railway construction, follow-up platelayer is also significantly reduced to oppose the linear influence laid a railway track, and then it is good linear to ensure that each bar line track all has.
Description
Technical field
The invention belongs to technical field of bridge engineering, and in particular to a kind of track for multi-thread high-speed railway bridge is linear
Control method.
Background technology
Fast development and the rapid advancement of science and technology with economic society, transportation also achieve significant progress,
In whole transportation, railway transportation is because its accuracy is high, continuity is strong, freight volume is big, and the low advantage of cost of transportation,
Become particularly important means of transportation.
In current Railway Design technical field of construction, the utilization of various novel devices and novel construction method, traditional construction
Problem is overcome, and also further improves its construction level of railway line, in order to meet higher conevying efficiency, at present generally
Mentality of designing of both being, is on the one hand from increase railway line, for example, single-track railway to be changed into two-wire or multiple line railway；Separately
On the one hand it is the speed of service for improving train, for example, positive fast-developing high-speed railway at present.
Multiple line railway is big because of its freight volume, and conevying efficiency it is high the characteristics of become the main flow of current railway construction work
Trend.For multiple line railway, it refers to that two row or multiple row train can be same with the railway line of two or more than two
When respectively in different railway lines run, greatly improve the transport capacity of railway line.
With the speed-raising of railway transportation, higher requirement it is also proposed to the construction quality of railway line, set in actual railway
In meter and railway construction work, inventor has found, at present for the construction of multiple line railway, also there are deficiency, specific as follows
State：
Because multiple line railway has at least two railway lines, in process of construction, if all railway lines are constructed together,
Lay a railway track simultaneously, it is required while the manpower and materials of input are huge, and when limitation due to construction site and the laying of each line track,
Influence each other, all increases the difficulty of construction, although can make all railway lines of whole piece railway while completing construction,
But entirely the construction period is long, is unfavorable for the economy of railway construction.
If construction railroad line one by one, i.e. first complete the construction of certain railway line, it is ensured that it is open to traffic in advance, then applying
Next circuit of work, so repeatedly, completes the construction of whole piece railway, adopts in such a way, early stage completes the railway line of construction
It can in advance be open to traffic, come into operation in advance, although improve the economy of railway construction, still, inventor has found, using current
This mode, still there are problems that：In railway construction, linear track is the important indicator for evaluating railway construction quality,
It is also that can railway realize deciding factor current at a high speed, however, in actual design and construction, invention human hair
It is existing, if carrying out the construction of railway line one by one, the railway line formerly completed will necessarily be caused in the railway line construction of rear construction
Influence, it is particularly significant that, make the track of first railway line is linear to drastically reduce, cause different phase to complete the railway line of construction
There is larger difference in shape, influence the ride comfort of track structure, cause the comfortableness reduction of driving, or even cause security incident, this
It is also the basic reason place of the passage rate of this kind of method restriction railway line, it is this kind of especially for multi-thread high-speed railway bridge
Construction precision requires high bridge structure, and above-mentioned unfavorable brought baneful influence is just more notable.
So, based on above-mentioned, for multi-thread high-speed railway bridge, need design one kind badly at present and ensure that construction warp
Ji property, can reduce construction difficulty, and also ensure that each bar line track all has good linear track linear again
Control method.
The content of the invention
It is an object of the invention to：For current multiple line railway Bridge Design and build, it is existing it is less economical, apply
Work difficulty is big, the linear unmanageable deficiency of track ensure that good economy there is provided one kind, and construction can be reduced again and is applied
Work difficulty, and also ensure that the track of each bar railway line all has good linear track linear control method.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of track linear control method for multi-thread high-speed railway bridge：Comprise the steps：
A：Determine railway line sequence of construction：Determine the construction time of each bar railway line of multiple line railway；
B：Basis is built：The beam body and bridge floor of high-speed railway bridge are built, and pours on bridge floor railway roadbed and on railway roadbed
The sleeper that sleeper in the railway roadbed that railway roadbed in sleeper, this step is all railway lines, this step is all railway lines is set；
C：Annex is constructed：By except track and for trapped orbit component in addition to other annexes be arranged in design position
Put, the annex is the dead load part on the basis of being located in railway line；
D：Track laying：The railway line construction time determined according to step A, lays the track of corresponding railway line.
The track linear control method of the multi-thread high-speed railway bridge of the application, particularly directed in multi-thread High-speed Railway Bridges
Beam, first determines the construction time of each bar railway line of multiple line railway, then a unified bar railway line that pours on bridge floor again
Railway roadbed, and unified setting sleeper on railway roadbed, in this way, facilitating building for each bar railway line basis, additionally it is possible to ensure basis
Build the uniformity of quality, then, then by except track and for trapped orbit component in addition to other annexes be arranged in and set
Position is counted, the annex is the dead load part on the basis of being located in railway line, according to step A order of laying a railway track, carries out track
Laying, adopts in such a way, is the timing requirements that are open to traffic that can make each bar railway line according to step A first, is successively open to traffic, first
The railway line being open to traffic comes into operation in advance, so, it is ensured that railway coming into operation as early as possible, and then ensure that railway construction
During economy, further, inventor find, the railway line built after, the fixation of its track and its trapped orbit
Construction weight accounts for smaller for the basis on bridge floor, and other annexes and corresponding dead load part, particularly railway roadbed
And sleeper, weight accounting greatly, so, in this application, these big components of these weight accountings and dead load part are first united
One construction, on the basis of being first arranged on, when subsequently laying a railway track construction, it is only necessary to consider the component of track and trapped orbit, such as
This, significantly reduces follow-up platelayer and opposes the linear influence laid a railway track, and then it is good to ensure that each bar line track all has
It is good linear.
It is preferred that, in the step A, comprise the steps：
A1：Later stage laying track is modeled analysis to the linear influence degree for laying track in advance：Set up corresponding model,
In the different railway line sequence of construction of design, analysis different kinds of railways line sequence of construction, the line that placed an iron railway after is to formerly laying iron
The linear influence degree of the track of route；
A2：Determine sequence of construction：According to the influence degree of the step A1 each bar railway lines determined, arranged on earth by height
Sequence, obtains the laying order of each bar railway line.
In the above-mentioned methods, analysis is modeled to multi-thread high-speed railway bridge, and then obtains the construction of each bar railway line
Sequentially, the track on the maximum railway line of linear influence of having laid a railway track is laid at first, and it is minimum on linear influence of having laid a railway track
The track of railway line finally lay, so set the order of laying a railway track of each bar railway line, further reduce in rear laying track
The linear influence to having laid a railway track, and then further ensure that the track of each bar railway line all with good linear.
It is preferred that, it is additionally provided with step E after the step D：The linear detecting step of track,
The step E is：After track laying is finished, the integral linear of track is detected, when step E middle orbit lines
When shape detection is unqualified, step F is additionally provided with after the step E：The linear secondary adjustment of track, is entered by step F to track
Row adjustment, until the linear linear requirement of the track for meeting high-speed railway.
For high-speed railway bridge, because train design speed per hour is high, its linear requirement to track is higher than conventional railway
Bridge, so, in this application, by setting steps E and F, progress detection linear to track and secondary tune after the completion of laying a railway track
It is whole, it is ensured that the linear high-precision requirement of track, and then ensure the ride comfort of train travel.
It is preferred that, in the step B, be engaged with sleeper recessed is provided with the corresponding railway roadbed of the sleeper
Groove, the sleeper is arranged in the groove.
It is preferred that, it is provided between the sleeper and the bottom portion of groove in spacer, the step F, by adjusting
The thickness of the spacer is saved, the linear of track is adjusted.It is that ensure that sleeper first by setting groove and spacer
Reliability is secured, on the other hand, sleeper height can be adjusted by spacer in the later stage, further to the height of track
It is adjusted, in this way, being further ensured that the linear precision of track.
It is preferred that, in the step D, laying order is determined according to step A2, when carrying out track laying, to formerly paving
If track set camber, the direction of the camber with it is rear lay track on the in opposite direction of the linear influence of the track.
By setting camber, in this application, the setting height of camber and direction first have to ensure the normally travel of train, or
Person is to ensure that train is travelled with low speed or medium speed, in this way, a railway line or several railway lines are built first wherein
When building completion, you can come into operation at once, at this point it is possible to be run by the way of slightly below desin speed, when all railways
After the completion of line is all built, due to pre- arch of the influence with formerly laying track in rear laying track to first laying railway line shape
Degree is offseted, so so that each bar track all has high linear precision, at this point it is possible to meet the fortune of the more high speed of train
OK.
It is preferred that, the camber that the step D is set, the height of the camber with rear laying track to the railway line
The height of shape influence is identical.Using this scheme, camber is set all to be offset with linear influence, it is further to improve the linear of track
Precision.
It is preferred that, in the step B, when each bar railway line is located at the same layer arrangement of identical height level, each bar iron
The railway roadbed of route is poured using integrally formed mode.Poured using integrally formed mode, be to enter first
The raising of one step pours efficiency, shortens the duration, it can also ensureing the integraty with layer railway line railway roadbed, makes the road of railway line
There is good linear uniformity between bed, and then further facilitate the linear guarantee of each bar railway line.
It is preferred that, in the step B, when railway line is the different layered arrangement of level height, positioned at the iron of same layer
The railway roadbed of route is poured using integrally formed mode, and the railway roadbed of each layer railway line is poured simultaneously.When the application's
When High-speed Railway Bridges is double-deck or multilayers, the identical or different railway line of arrangement number on each layer is carrying out railway roadbed construction
When, the railway roadbed of each layer railway line is constructed simultaneously, is on the one hand also that can improve the efficiency that pours of railway roadbed, shortens the duration, the opposing party
Face, also can easily ensure linear good uniformity between each layer railway line railway roadbed.
Compared with prior art, beneficial effects of the present invention：
(1) railway coming into operation as early as possible, can be ensured, and then ensure that the economy during high speed railway construction
Property；
(2), significantly reduce follow-up platelayer to oppose the linear influence laid a railway track, and then ensure that each bar line track
All have good linear.
Brief description of the drawings：
Fig. 1 is the step block diagram of the application track linear control method；
Fig. 2 is the section view of the multi-thread high-speed railway bridge beam body of the application；
Fig. 3 is the partial enlarged drawing at A in Fig. 2,
Indicated in figure：1- railway roadbeds, 2- sleepers, 3- annexes, 4- tracks, 5- grooves, 6- spacers.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of above-mentioned theme of the invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment, as Figure 1-3,
A kind of track linear control method for multi-thread high-speed railway bridge：Comprise the steps：
A：Determine railway line sequence of construction：Determine the construction time of each bar railway line of multiple line railway；
B：Basis is built：The beam body and bridge floor of high-speed railway bridge are built, and pours on bridge floor railway roadbed 1 and in railway roadbed 1
Railway roadbed 1 in upper setting sleeper 2, this step is that the sleeper 2 in the railway roadbed 1 of all railway lines, this step is all railway lines
Sleeper 2；
C：Annex 3 is constructed：By except track and for trapped orbit component in addition to other annexes 3 be arranged in design position
Put, the annex 3 is the dead load part on the basis of being located in railway line；
D：Track 4 is laid：The railway line construction time determined according to step A, lays the track 4 of corresponding railway line.
The track linear control method of the multi-thread high-speed railway bridge of present embodiment, particularly directed in multi-thread high-speed iron
Road and bridge beam, first determines the construction time of each bar railway line of multiple line railway, and that then unifies again on bridge floor pours a bar railway
The railway roadbed 1 of line, and unified setting sleeper 2 on railway roadbed 1, in this way, facilitating building for each bar railway line basis, additionally it is possible to protect
The uniformity of quality is built on card basis, then, then by except track 4 and for trapped orbit 4 component in addition to other annexes 3
Design attitude is arranged in, the annex 3 is the dead load part on the basis of being located in railway line, according to step A order of laying a railway track, is entered
The laying of row track 4, is adopted in such a way, is the timing requirements that are open to traffic that can make each bar railway line according to step A first, first
After be open to traffic, the railway line being first open to traffic comes into operation in advance, so, it is ensured that railway coming into operation as early as possible, and then ensures
Economy during railway construction, further, inventor find, the railway line built after, its track 4 and its fixed
The fixing component weight of track 4 accounts for smaller for the basis on bridge floor, and other annexes 3 and corresponding dead load portion
Part, particularly railway roadbed 1 and sleeper 2, weight accounting greatly, so, in the present embodiment, by big these of these weight accountings
Component and the first unified construction of dead load part, on the basis of being first arranged on, when subsequently laying a railway track construction, it is only necessary to consider track 4 and solid
The component in orbit determination road 4, in this way, significantly reduce follow-up platelayer oppose laid a railway track 4 linear influence, and then ensure that
Each bar line track 4 all has good linear.
Further, as a kind of embodiment, in the step A, comprise the steps：
A1：The linear influence degree that 4 pairs of track of later stage laying lays track 4 in advance is modeled analysis：Set up respective mode
Type, is designed in different railway line sequences of construction, analysis different kinds of railways line sequence of construction, and the line that placed an iron railway after is to formerly laying
The linear influence degree of the track 4 of railway line；
A2：Determine sequence of construction：According to the influence degree of the step A1 each bar railway lines determined, arranged on earth by height
Sequence, obtains the laying order of each bar railway line.
In the above-mentioned methods, analysis is modeled to multi-thread high-speed railway bridge, and then obtains the construction of each bar railway line
Sequentially, the track 4 on the maximum railway line of 4 linear influences of having laid a railway track is laid at first, and on having laid a railway track 4 linear influences most
The track 4 of small railway line is finally laid, and is so set the order of laying a railway track of each bar railway line, is further reduced in rear laid rail
4 pairs of road has been laid a railway track 4 linear influences, so further ensure that each bar railway line track 4 all have it is good linear.
Further, it is additionally provided with step E after the step D：The linear detecting step of track 4,
The step E is：After the laying of track 4 is finished, the integral linear of track 4 is detected, when step E middle orbits
When 4 linear detections are unqualified, step F is additionally provided with after the step E：The linear secondary adjustment of track 4, by step F to rail
Road 4 is adjusted, until the linear linear requirement of track 4 for meeting high-speed railway.
For high-speed railway bridge, because train design speed per hour is high, its linear requirement to track 4 is higher than conventional railway
Bridge, so, it is in the present embodiment, linear to track 4 after the completion of laying a railway track to be detected and two by setting steps E and F
Secondary adjustment, it is ensured that the linear high-precision requirement of track 4, and then ensure the ride comfort of train travel.
Further, in the step B, it is provided with and is engaged with sleeper 2 on the corresponding railway roadbed 1 of the sleeper 2
Groove 5, the sleeper 2 is arranged in the groove 5.
Further, it is provided with spacer 6, the step F, leads between sleeper 2 and the groove 5 bottom
The thickness of the spacer 6 is overregulated, the linear of track 4 is adjusted.It is to protect first by setting groove 5 and spacer 6
Sleeper 2 is demonstrate,proved and has secured reliability, on the other hand, the height of sleeper 2 can have been adjusted by spacer 6 in the later stage, further
Height to track 4 is adjusted, in this way, being further ensured that the linear precision of track 4.
Further, in the step D, according to step A2 determine laying order, carry out track 4 lay when, to
The track 4 first laid sets camber, the direction of the camber with side of the rear laying track 4 on the linear influence of track 4
To opposite.By setting camber, in the present embodiment, the setting height of camber and direction first have to ensure train
Normally travel, or ensure that train is travelled with low speed or medium speed, in this way, a railway line or several iron wherein
When route builds first construction completion, you can come into operation at once, at this point it is possible to run by the way of slightly below desin speed,
After the completion of all railway lines are all built, due in the formerly linear influence of laying track 4 of rear 4 pairs of laying track and formerly paving
If the camber of track 4 is offseted, so so that each bar track 4 all has high linear precision, at this point it is possible to meet row
The operation of the more high speed of car.
Further, the camber that the step D is set, the height of the camber rear with laying 4 pairs of rails of track
The height of the linear influence in road 4 is identical.Using this scheme, camber is set all to be offset with linear influence, it is further to improve track 4
Linear precision.
Further, in the step B, when each bar railway line is located at the same layer arrangement of identical height level, each bar
The railway roadbed 1 of railway line is poured using integrally formed mode.Pouring for railway roadbed 1 is carried out using integrally formed mode, it is first
It can further improve before this and pour efficiency, and shorten the duration, it can also ensureing the integraty with layer railway line railway roadbed 1, make
There is good linear uniformity between the railway roadbed 1 of railway line, and then further facilitate the linear guarantee of each bar railway line.
Further, in the step B, when railway line is the different layered arrangement of level height, positioned at same layer
The railway roadbed 1 of railway line is poured using integrally formed mode, and the railway roadbed 1 of each layer railway line is poured simultaneously.When this Shen
When High-speed Railway Bridges please is double-deck or multilayers, the identical or different railway line of arrangement number on each layer is carrying out railway roadbed 1
During construction, the railway roadbed 1 of each layer railway line is constructed simultaneously, is on the one hand also that can improve the efficiency that pours of railway roadbed 1, shortens the duration,
On the other hand, linear good uniformity between each layer railway line railway roadbed 1 also can easily be ensured.
Above example only not limits technical scheme described in the invention to illustrate the present invention, although this explanation
Book is with reference to each above-mentioned embodiment to present invention has been detailed description, but the present invention is not limited to above-mentioned specific implementation
Mode, therefore any the present invention is modified or equivalent substitution；And the technical side of all spirit and scope for not departing from invention
Case and its improvement, it all should cover among scope of the presently claimed invention.
Claims (9)
1. a kind of track linear control method for multi-thread high-speed railway bridge, it is characterised in that：
Comprise the steps：
A：Determine railway line sequence of construction：Determine the construction time of each bar railway line of multiple line railway；
B：Basis is built：The beam body and bridge floor of high-speed railway bridge are built, and pours railway roadbed on bridge floor and is set on railway roadbed
Railway roadbed in sleeper, this step is the sleeper that sleeper in the railway roadbed of all railway lines, this step is all railway lines；
C：Annex is constructed：By except track and for trapped orbit component in addition to other annexes be arranged in design attitude, institute
Annex is stated for the dead load part on the basis of being located in railway line；
D：Track laying：The railway line construction time determined according to step A, lays the track of corresponding railway line.
2. track linear control method according to claim 1, it is characterised in that：
In the step A, comprise the steps：
A1：Later stage laying track is modeled analysis to the linear influence degree for laying track in advance：Corresponding model is set up, is designed
In different railway line sequences of construction, analysis different kinds of railways line sequence of construction, the line that placed an iron railway after is to the line that formerly places an iron railway
The linear influence degree of track；
A2：Determine sequence of construction：According to the influence degree of the step A1 each bar railway lines determined, it is ranked up, is obtained on earth by height
To the laying order of each bar railway line.
3. track linear control method according to claim 2, it is characterised in that：Step is additionally provided with after the step D
E：The linear detecting step of track,
The step E is：After track laying is finished, the integral linear of track is detected, when the linear inspection of step E middle orbits
When surveying unqualified, step F is additionally provided with after the step E：The linear secondary adjustment of track, is adjusted by step F to track
It is whole, until the linear linear requirement of the track for meeting high-speed railway.
4. track linear control method according to claim 3, it is characterised in that：In the step B, the sleeper pair
The groove being engaged with sleeper is provided with the railway roadbed answered, the sleeper is arranged in the groove.
5. track linear control method according to claim 4, it is characterised in that：The sleeper and the bottom portion of groove it
Between be provided with spacer, the step F, by adjusting the thickness of the spacer, the linear of track is adjusted.
6. track linear control method according to claim 5, it is characterised in that：In the step D, according to step A2
It is determined that laying order, when carrying out track laying, camber is set to the track formerly laid, the direction of the camber with
Laying track is on the in opposite direction of the linear influence of the track afterwards.
7. track linear control method according to claim 6, it is characterised in that：The camber that the step D is set, institute
The height for stating camber is identical on the height of the linear influence of the track with rear laying track.
8. track linear control method according to claim 7, it is characterised in that：In the step B, when each bar railway
When line is located at the same layer arrangement of identical height level, the railway roadbed of each bar railway line is poured using integrally formed mode.
9. track linear control method according to claim 7, it is characterised in that：In the step B, when railway line is
During the different layered arrangement of level height, the railway roadbed positioned at the railway line of same layer is poured using integrally formed mode, respectively
The railway roadbed of layer railway line is poured simultaneously.
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| CN201710230107.9A CN106988165B (en) | 2017-04-10 | 2017-04-10 | A kind of track linear control method for multi-thread high-speed railway bridge |
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| EP2298993A2 (en) * | 2009-09-11 | 2011-03-23 | Ralf Zürcher | Method for renewing the rail substructure of a rail track |
| CN202107997U (en) * | 2011-05-20 | 2012-01-11 | 中铁二院工程集团有限责任公司 | Ballastless track structure on bridge |
| CN102561117A (en) * | 2011-12-09 | 2012-07-11 | 中铁十七局集团第二工程有限公司 | Logistical method for conveying ballastless tracks in twin-track tunnel in construction |
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