CN104452484A - Repair method for ballastless track foundation settlement - Google Patents
Repair method for ballastless track foundation settlement Download PDFInfo
- Publication number
- CN104452484A CN104452484A CN201410643617.5A CN201410643617A CN104452484A CN 104452484 A CN104452484 A CN 104452484A CN 201410643617 A CN201410643617 A CN 201410643617A CN 104452484 A CN104452484 A CN 104452484A
- Authority
- CN
- China
- Prior art keywords
- lifting
- supporting bed
- rise
- track plates
- angle steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
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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 invention relates to a repair method for ballastless track foundation settlement. The method includes the first step of lifting a supporting layer of a settlement area to make a corresponding track board lifted by a preset rising amount, the second step of conducting grouting and compacting on the lower portion of the lifted supporting layer, and the third step of finishing grouting and completing repair. By means of the method, the lifting accuracy can be accurately controlled.
Description
Technical field
The present invention relates to ballastless track of high-speed railway field, be specifically related to the method for the non-fragment orbit repairing sedimentation.
Background technology
At present, the track structure form that domestic and international high-speed railway is the most frequently used is non-fragment orbit.Position residing for track, can be divided into following four kinds of forms by non-fragment orbit: roadbed gets on the right track, bridge gets on the right track, tunnel inner orbit and switch area track.
Non-fragment orbit comprises following structure substantially: the carrying track plates of rail, the supporting bed of supporting rail guidance tape and the basis be in below supporting bed.Supporting bed is generally overall cast-in-place plain concrete plate and its width is greater than the width of track plates, and the basis below supporting bed is graded broken stone.Because the active time length of some rail tracks, complex geologic conditions, work progress quality control are not in place, cause the sedimentation that the basis, local of non-fragment orbit occurs in various degree.This disease can cause track plates or rail sinking and bending, seriously can affect the traffic capacity of the overall trip speed of train, comfortableness and railway road, can become time serious affect safe train operation hidden danger.
In the prior art, the restorative procedure of this disease is generally cement-based material or two component pressure grouting method.But it is uncontrollable that this method has the expansion of slurries in basis, be difficult to the problem of the accurate lifting realizing track structure.Thus, a kind of method repairing the settling foundation of non-fragment orbit is fast badly in need of.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of restorative procedure of non-fragment orbit foundation settlement.According to method of the present invention, can accurately control lifting precision and Uplifting amount is unrestricted.
According to method of the present invention, comprise step one: by the supporting bed lifting of decanting zone with the rise making corresponding track plates lifting predetermined; Step 2: slip casting below the supporting bed after lifting is also closely knit; Step 3: slip casting terminates, completes reparation.
According to method of the present invention, due to the first predetermined height by supporting bed lifting, and then slip casting, therefore most of slurries to be gathered in bottom the supporting bed after lifting in space, thus effectively control the expansion of slurries in basis, thus the lifting precision of track can be controlled.For slip casting process, owing to supporting bed having been lifted certain altitude, namely thrown off between supporting bed and graded broken stone surface and formed certain space, therefore very large pressure is no longer needed during slip casting, can meet the demands to slip casting in the gaps underneath of supporting bed with less grouting pressure, this makes construction machinery become simple, and manipulation is easier to, and facilitates construction.In addition, according to method of the present invention, do not need to remove track plates to rebuild supporting bed and basis completely, thus substantially increase speed of application, completely can complete in the time in " skylight " of train operation and not affect train operation.
In a preferred embodiment, slip casting adopts accelerated cement.This contributes to improving speed of application further.
In one embodiment, before carry out step one, first the settling amount of the track of decanting zone is measured, then according to settling amount, the track plates being in decanting zone is divided into different lifting sections, and respectively settling amount is arranged to each lifting section, wherein multiple rise is set to reduce gradually from center, decanting zone to edge, decanting zone.Like this, when each lifting section of lifting, the deformation comparison of whole supporting bed is mild, avoids destruction supporting bed.In addition, when each lifting section of lifting, all accurately can also control its rise, contribute to the ride comfort ensureing to repair rear track.
In one embodiment, for each lifting section, reach its rise by repeatedly lifting.Can prevent from like this making supporting bed that large distortion occur suddenly, and cause damage supporting bed.In addition, because the amount of each lifting all can be measured in time and feed back, thus be conducive to improving lifting precision.
In one embodiment, in step one, the rise of each lifting section of monitoring in real time.The rise of real-time monitoring track contributes to regulating lifting action in time according to actual conditions, thus prevents contingency from occurring, and in addition, the rise dynamically monitoring lifting section also contributes to improving lifting precision.
In one embodiment, in step one, first use connector that supporting bed and corresponding track plates are connected into an entirety, and then by supporting bed lifting.The globality of supporting bed and track plates can be improved thus, avoid meeting accident in lifting process.In addition, which also eliminates risk supporting bed being produced to destruction.In a preferred embodiment, connector is angle steel, and wherein angle steel is arranged along the bearing of trend of track, and first wing of angle steel is connected with the sidepiece of track plates, and second wing of angle steel is connected with supporting bed.Angle steel is a kind of common shaped steel, uses also very simple, thus greatly can reduce construction cost.
In one embodiment, on the edge being in outside track plates of supporting bed, compartment constructs multiple force groove, and second wing of angle steel extends across force groove.By arranging force groove, can exert a force to angle steel with lifting supporting bed easily.In a preferred embodiment, be also provided with at force groove place and be connected with angle steel and track plates and the bearing support that extends dorsad.By arranging bearing support, larger lifting apparatus lifting bearing support can be used thus lifting supporting bed and track plates, so just facilitating constructor and selecting suitable lifting apparatus.
In one embodiment, the injected hole that extends towards the inclined downward of supporting bed is set from the both sides of supporting bed to carry out slip casting.In a preferred embodiment, the angle of injected hole and horizontal plane is between 15 degree to 65 degree.Such slurries can flow into the below of supporting bed swimmingly, realize the space below uniform filling supporting bed.
Compared with prior art, the invention has the advantages that: (1), according to method of the present invention, can control the expansion of slurries in basis effectively, and effectively can control the lifting precision of track thus.(2) for slip casting process, with the below slip casting of less grouting pressure to supporting bed, construction can be this facilitate that.(3) according to method of the present invention, speed of application is fast, completely can complete in the time in " skylight " of train operation and not affect train operation.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.Wherein:
Fig. 1 show schematically show and carries out the top view of constructing according to method of the present invention.
Fig. 2 is the schematic diagram of track foundation generation sedimentation.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 shows the set-up mode of angle steel with stereogram.
Fig. 5 is the B-B sectional view of Fig. 1.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the ratio of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the schematic diagram using the non-fragment orbit repairing foundation settlement according to method of the present invention.Non-fragment orbit 100 generally includes basis 1 (see Fig. 3 and Fig. 5), and the track plates 3 being in the supporting bed 2 above basis 1 and being arranged on above supporting bed 2, is provided with rail 4 (as shown in Figure 3) above track plates 3.Usually, basis 1 is graded broken stone, and supporting bed 2 is the continuous plain concrete plate of cast in situs, and track plates 3 is prefabricated shorter concrete slab, and polylith track plates 3 continuous laying is on supporting bed 2.The width of usual track plates 3 is less than the width of supporting bed 2, stand out d as shown in Figure 1.
After sedimentation occurs on basis 1, also can be bent downwardly at pressure and self gravitation effect lower support layer 2 thereupon.The bending meeting of supporting bed 2 causes the irregularity of track plates 3, and affects the operation of train, and the impact that the operation of bullet train is subject to is larger.For this reason, need basis 1 and supporting bed 2 to return to its original smooth-going geometry state.
Below, 1 to 5 the work progress using method of the present invention to repair basis 1 and supporting bed 2 is described with reference to the accompanying drawings.
First, the supporting bed 2 of decanting zone, track plates 3 lifting are raised predetermined rise.In order to determine the rise that track plates 3 is predetermined, in one embodiment, first can measure the height geometry state of track 100, then contrast with the height geometry state required for normal driving, its difference is the rise that institute's each position needs.Then according to this rise, the track plates 3 in decanting zone is divided into different lifting sections, and respectively rise is determined to each lifting section.Such as, Fig. 2 shows four lifting sections: the first lifting section 3a, the second lifting section 3b, the 3rd lifting section 3c, and the 4th lifting section 3d.First lifting section 3a is in the center of decanting zone, and the second lifting section 3b, the 3rd lifting section 3c are in the both sides of the first lifting section 3a, and the 4th lifting section 3d is in the more lateral of the second lifting section 3b.Because supporting bed 2 is deformed into substantial arc usually, therefore the rise of the first lifting section 3a is maximum, and the rise of the second lifting section 3b, the 3rd lifting section 3c is smaller, and the rise of the 4th lifting section 3d is less.
Preferably, for each lifting Duan Eryan, reach its rise by repeatedly lifting.Such as, for the first lifting section 3a, need the rise of 5 centimetres could meet orbital forcing requirement, then can divide and carry out lifting to the first lifting section 3a 5 times, each rise is 1 centimetre, the second lifting section 3b, need the rise of 4 centimetres could meet orbital forcing requirement, then can divide and carry out lifting to the second lifting section 3b 5 times, each rise is 0.8 centimetre, and other lifting sections by that analogy.Like this, the deflection of each lifting of supporting bed 2 can be less, and progressively transition between each lifting section, be unlikely to damage it.In addition, if the rise of each lifting is excessive, suitably can also reduces the rise of lifting next time, finally reach required rise.In a preferred embodiment, in lifting process, the rise of the section of monitoring lifting in real time, to improve lifting precision.
Conveniently lifting construction, first uses connector that supporting bed and corresponding track plates are connected into an entirety, and then by described supporting bed lifting.In the embodiment shown in fig. 3, connector is angle steel 21.Angle steel 21 is arranged along the bearing of trend of track, and uses bolt to be connected with the sidepiece of track plates 3 by first wing 24 of angle steel, use bolt to be connected with supporting bed 2 by second wing 25 of angle steel 21.Preferably, angle steel 21 is all set in the both sides of track plates 3.So just ensure that track plates 3 and supporting bed 2 can integrally carry out synchronous lifting, avoid supporting bed 2 in lifting process, produce the risk of fracture.
Conveniently apply to apply lifting force to supporting bed 2, on the edge being in outside track plates 3 of supporting bed 2, can construct multiple force groove 6 (as shown in figs. 1 and 4) by compartment, 25, second wing of angle steel 21 extends across force groove 6.Like this, lifting force can be applied by force groove 6 pairs of angle steel 21 and carry out lifting supporting bed 2.Also as shown in Figure 1, in the scope of each track plates, supporting bed 2 arranges three force grooves 6.Two force grooves are in the end regions of track plates, and a force groove is in the middle section of track plates, and this makes the stressed more even of supporting bed 2.Should be appreciated that, multiple force groove can also be set according to actual conditions.
As shown in Figure 3, jack 26 pairs of angle steel 21 can be selected to apply lifting force, and jack 26 is arranged in force groove 6.In lifting process, all jack be in same lifting section are wanted synchronization action, and are finely controlled jack 26, all reach predetermined rise to make all regions in this lifting section.
After lifting supporting bed 2, between basis 1 and supporting bed 2, certain space can be formed, at this moment can to slip casting in basis 1.In one embodiment, the injected hole 31 that extends towards the inclined downward of supporting bed 2 is set to carry out slip casting, as shown in Figure 5 from the both sides of supporting bed 2.Preferably, the angle of injected hole 31 and horizontal plane, between 15 degree to 65 degree, can flow in basis 1 swimmingly to make cement paste.It is further preferred that, slip casting adopts accelerated cement, with accelerating construction progress.
After slip casting terminates, carry out round-off work immediately; Timely dismounting Lifting Equipment and grouting equipment.Detect without exception after, recover circuit be open to traffic.
Due to method of the present invention slip casting again after supporting bed 2 lifting being completed, and employ accelerated cement, therefore, it is possible to repair the non-fragment orbit of foundation settlement fast, and do not affect train operation.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (10)
1. a restorative procedure for non-fragment orbit foundation settlement, comprises,
Step one: by the supporting bed lifting of decanting zone with the rise making corresponding track plates lifting predetermined;
Step 2: slip casting below the supporting bed after described lifting is also closely knit;
Step 3: slip casting terminates, completes reparation.
2. method according to claim 1, it is characterized in that, before carrying out described step one, first the settling amount of the track of decanting zone is measured, then according to described settling amount, the track plates being in decanting zone is divided into different lifting sections, and arrange rise respectively to described each lifting section, wherein multiple rise is set to reduce gradually from center, decanting zone to edge, decanting zone.
3. method according to claim 2, is characterized in that, for described each lifting section, reaches its rise by repeatedly lifting.
4. according to the method in claim 2 or 3, it is characterized in that, in described step one, the rise of each lifting section of monitoring in real time.
5. the method according to any one of claim 1 to 4, is characterized in that, in step one, first uses connector that supporting bed and corresponding track plates are connected into an entirety, and then by described supporting bed lifting.
6. method according to claim 5, it is characterized in that, described connector is angle steel, and wherein said angle steel is arranged along the bearing of trend of described track, and first wing of described angle steel is connected with the sidepiece of track plates, second wing of described angle steel is connected with described supporting bed.
7. method according to claim 6, is characterized in that, on the edge being in outside described track plates of described supporting bed, compartment constructs multiple force groove, and second wing of described angle steel extends across described force groove.
8. the method according to any one of claim 1 to 7, is characterized in that, arranges the injected hole that extends towards the inclined downward of described supporting bed to carry out slip casting from the both sides of described supporting bed.
9. method according to claim 8, is characterized in that, the angle of described injected hole and horizontal plane is between 15 degree to 65 degree.
10. the method according to any one of claim 1 to 9, is characterized in that, described slip casting adopts accelerated cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643617.5A CN104452484A (en) | 2014-11-10 | 2014-11-10 | Repair method for ballastless track foundation settlement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410643617.5A CN104452484A (en) | 2014-11-10 | 2014-11-10 | Repair method for ballastless track foundation settlement |
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| CN104452484A true CN104452484A (en) | 2015-03-25 |
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| CN201410643617.5A Pending CN104452484A (en) | 2014-11-10 | 2014-11-10 | Repair method for ballastless track foundation settlement |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928999A (en) * | 2015-06-18 | 2015-09-23 | 董明 | Lifting correction device and method for CRTSI mould board type ballastless track on high-speed railway roadbed |
| CN105220582A (en) * | 2015-08-25 | 2016-01-06 | 中铁三局集团有限公司 | Based on Disease Treatment method at the bottom of the solid concrete roabed of combined support and slip casting template and tunnel |
| CN106012697A (en) * | 2016-05-30 | 2016-10-12 | 沪杭铁路客运专线股份有限公司 | Ballastless track roadbed high polymer injection lifting method |
| CN106049193A (en) * | 2016-05-17 | 2016-10-26 | 中国铁道科学研究院铁道建筑研究所 | Center line deviation rectifying method for ballastless track of high-speed railway of roadbed segment |
| CN108930265A (en) * | 2018-07-06 | 2018-12-04 | 中铁二院工程集团有限责任公司 | A kind of slip casting restorative procedure of existing ballastless track roadbed floor re-growth Hidden Karst Under |
| CN109355986A (en) * | 2018-11-27 | 2019-02-19 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of non-fragment orbit sedimentation regulation method based on rope saw cut |
| CN110195381A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Non-fragment orbit lifting method |
| CN110195382A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Road structure and the method that track structure is lifted using the road structure |
| CN110629594A (en) * | 2019-10-23 | 2019-12-31 | 西南交通大学 | Large-adjustment-quantity plate type ballastless track and height adjustment method thereof |
| CN111074703A (en) * | 2020-01-08 | 2020-04-28 | 成都市新筑路桥机械股份有限公司 | Maintenance method for uneven settlement of roadbed of embedded track steel groove type ballast bed |
| CN111395058A (en) * | 2020-03-20 | 2020-07-10 | 中国铁路武汉局集团有限公司 | Supporting construction method for excavation and backfilling of railway roadbed body |
| CN113089394A (en) * | 2021-03-26 | 2021-07-09 | 西南交通大学 | Mechanical lifting and grouting reinforcement rapid repairing method for supporting layer of double-block ballastless track |
| KR20210096502A (en) * | 2020-01-28 | 2021-08-05 | 한국철도기술연구원 | Lifting apparatus for concrete-track and lifting method using the same |
| KR20210112166A (en) * | 2020-03-04 | 2021-09-14 | 이순구 | Central lifting apparatus for restoration of concrete track |
| CN113403886A (en) * | 2021-06-09 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Lifting device for differential settlement ballastless track repair and construction method |
| CN114032711A (en) * | 2021-12-22 | 2022-02-11 | 济南海依兰机电液压有限公司 | Ballastless track structure foundation settlement repairing method |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928999A (en) * | 2015-06-18 | 2015-09-23 | 董明 | Lifting correction device and method for CRTSI mould board type ballastless track on high-speed railway roadbed |
| CN105220582A (en) * | 2015-08-25 | 2016-01-06 | 中铁三局集团有限公司 | Based on Disease Treatment method at the bottom of the solid concrete roabed of combined support and slip casting template and tunnel |
| CN105220582B (en) * | 2015-08-25 | 2018-01-30 | 中铁三局集团有限公司 | Solid concrete roabed and tunnel bottom Disease Treatment method based on combined support and slip casting template |
| CN106049193A (en) * | 2016-05-17 | 2016-10-26 | 中国铁道科学研究院铁道建筑研究所 | Center line deviation rectifying method for ballastless track of high-speed railway of roadbed segment |
| CN106049193B (en) * | 2016-05-17 | 2018-08-17 | 中国铁道科学研究院铁道建筑研究所 | One kind being used for roadbed section ballastless track of high-speed railway center line method for correcting error |
| CN106012697A (en) * | 2016-05-30 | 2016-10-12 | 沪杭铁路客运专线股份有限公司 | Ballastless track roadbed high polymer injection lifting method |
| CN108930265B (en) * | 2018-07-06 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Grouting repair method for regenerating hidden karst of existing ballastless track roadbed base |
| CN108930265A (en) * | 2018-07-06 | 2018-12-04 | 中铁二院工程集团有限责任公司 | A kind of slip casting restorative procedure of existing ballastless track roadbed floor re-growth Hidden Karst Under |
| CN109355986A (en) * | 2018-11-27 | 2019-02-19 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of non-fragment orbit sedimentation regulation method based on rope saw cut |
| CN110195381A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Non-fragment orbit lifting method |
| CN110195382A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Road structure and the method that track structure is lifted using the road structure |
| CN110629594A (en) * | 2019-10-23 | 2019-12-31 | 西南交通大学 | Large-adjustment-quantity plate type ballastless track and height adjustment method thereof |
| CN111074703A (en) * | 2020-01-08 | 2020-04-28 | 成都市新筑路桥机械股份有限公司 | Maintenance method for uneven settlement of roadbed of embedded track steel groove type ballast bed |
| KR20210096502A (en) * | 2020-01-28 | 2021-08-05 | 한국철도기술연구원 | Lifting apparatus for concrete-track and lifting method using the same |
| KR102321730B1 (en) * | 2020-01-28 | 2021-11-05 | 한국철도기술연구원 | Lifting apparatus for concrete-track and lifting method using the same |
| KR20210112166A (en) * | 2020-03-04 | 2021-09-14 | 이순구 | Central lifting apparatus for restoration of concrete track |
| KR102370670B1 (en) * | 2020-03-04 | 2022-03-04 | 이순구 | Central lifting apparatus for restoration of concrete track |
| CN111395058A (en) * | 2020-03-20 | 2020-07-10 | 中国铁路武汉局集团有限公司 | Supporting construction method for excavation and backfilling of railway roadbed body |
| CN113089394A (en) * | 2021-03-26 | 2021-07-09 | 西南交通大学 | Mechanical lifting and grouting reinforcement rapid repairing method for supporting layer of double-block ballastless track |
| CN113403886A (en) * | 2021-06-09 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Lifting device for differential settlement ballastless track repair and construction method |
| CN114032711A (en) * | 2021-12-22 | 2022-02-11 | 济南海依兰机电液压有限公司 | Ballastless track structure foundation settlement repairing method |
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