CN110258189A - A method of regulation ballastless track roadbed elevation disease - Google Patents
A method of regulation ballastless track roadbed elevation disease Download PDFInfo
- Publication number
- CN110258189A CN110258189A CN201910497282.3A CN201910497282A CN110258189A CN 110258189 A CN110258189 A CN 110258189A CN 201910497282 A CN201910497282 A CN 201910497282A CN 110258189 A CN110258189 A CN 110258189A
- Authority
- CN
- China
- Prior art keywords
- track
- adjustment tank
- supporting course
- disease
- adjustment
- 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.)
- Granted
Links
Classifications
-
- 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
- E01B33/00—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention proposes a kind of methods for renovating ballastless track roadbed elevation disease, comprising: step 1, the position for obtaining track disease and type are so that it is determined that regulation range；Adjustment tank is arranged in the lower section of supporting course by tunneling mode in regulation range in step 2；Step 3, adjustment track to target elevation；Step 4, into adjustment tank, perfusion is to fill adjustment tank, wherein in step 2, on vertical, adjustment tank is extended downwardly by supporting course bottom surface, Zong Xiangshang, and adjustment tank extends along track cloth set direction, in transverse direction, the two sides of adjustment tank are located at except the side wall of the corresponding supporting course, and this method good economy performance can construct in Window time.
Description
Technical field
The present invention relates to existing railway maintenance engineering technical fields, and in particular to a kind of regulation ballastless track roadbed elevation disease
Harmful method.
Background technique
In recent years, with the fast development of high-speed railway, China has built large-scale high-speed railway, this goes out to people's
Row brings great convenience.Non-fragment orbit has the characteristics that rigidity uniformity is good, structure durability is strong, maintenance load is few.
Therefore, it designs 300 km of speed per hour and the above railway, length is more than that the tunnel of 1 km and tunnel group location are generally used no tiny fragments of stone, coal, etc.
Track.
However, line of high-speed railway institute is faced with roadbed often through complex geological condition and the huge natural environment of difference
The complexity of various unfavorable factors, subgrade soil material is easy by external influence, it is possible that the elevation of arch or sedimentation becomes
Change.And non-fragment orbit is very sensitive to basic ride comfort, Self-regulation ability is limited, causes non-fragment orbit uneven by subgrade deformation
It is suitable to will affect railway operation.
To need to design a kind of disease method of arch or the sedimentation of improvement roadbed elevation for non-fragment orbit to protect
Demonstrate,prove the normal operation of railway.
Summary of the invention
For some or all of of the above-mentioned technical problem in the presence of the prior art, the invention proposes a kind of regulations
The method of ballastless track roadbed elevation disease.This method is directed to non-fragment orbit, can construct in Window time, not need to seal
Railway track is locked, can be run in construction period vehicle, railway operation is influenced very small.In addition, this method is first in supporting course
Lower section tunneling adjustment tank, then adjust track to target high level, thus both can solve track arch and also can solve under track
Heavy disease, and it is high to adjust controlling, and is unearthed amount less in construction, good economy performance.
According to the invention it is proposed that a kind of method for renovating ballastless track roadbed elevation disease, comprising:
Step 1, obtain track disease position and type so that it is determined that regulation range,
Adjustment tank is arranged in the lower section of supporting course by tunneling mode in regulation range in step 2,
Step 3, adjustment track to target elevation,
Step 4 fills adjustment tank,
Wherein, in step 2, it is vertical on, adjustment tank is extended downwardly by supporting course bottom surface, and Zong Xiangshang, adjustment tank is along track
Cloth set direction extends, and in transverse direction, the two sides of adjustment tank are located at except the side wall of corresponding supporting course.
In one embodiment, in step 2, in the longitudinal direction, the both ends of adjustment tank are respectively to track disease area epitaxy
4-8 meters are stretched,
And/or vertically, for the disease of track arch, the depth of the adjustment tank be track arch amount with it is required
Construction space depth is added with pre- allowance, and for the disease of track settlement, the depth of the adjustment tank is that required construction space is deep
Degree.
In one embodiment, in step 3, for the disease of track arch, the amount that track is adjusted downwards to arch adds
Track is adjusted upward the amount of sinking plus pre- allowance to target for the disease of track settlement to target elevation by upper pre- allowance
Elevation.
In one embodiment, in step 2, tunneling is carried out by way of segmentation, and benefit is wanted after every tunneling 1.5-3 meters
Supporting is carried out with the first cushion block, the first cushion block is placed on the middle position of corresponding excavation section,
And/or horizontally the half of the first cushion block extends to the adjustment within the side of supporting course to 3/4ths
In slot.
In one embodiment, in step 2, before tunneling, work nest is respectively set in the two sides of supporting course, erects
Upwards, work nest is extended downwardly by surface layer of subgrade bed surface, and the depth of work nest is than greatly at least 5 lis of depth of preset adjustment tank
Rice, Zong Xiangshang, work nest extends along track cloth set direction, in transverse direction, each work nest from the side wall of the supporting course of corresponding side to
It extends to outside 65 centimetres few.
In one embodiment, in step 3, track is adjusted by way of segmentation to target elevation, it is 20-30 meters every
It is one section, and during the adjustment, withdraws from the first cushion block after jack is arranged in each first cushion block adjacent position, then pass through tune
Whole jack and by orbit adjusting to target elevation.
In one embodiment, during each section of adjustment, after by orbit adjusting to target elevation, to adjustment tank internal plug
Jack is withdrawn from after entering the second installation cushion block.
In one embodiment, in step 4, gravity flowing levelling mortar is perfused to fill adjustment tank.
In one embodiment, in step 2, on longitudinal direction when every tunneling 5-12 meters of adjustment tank, in supporting course two sides point
Gu Dingshezhi not be for limiting the limit pier of the lateral displacement of supporting course, Zong Xiangshang, limit pier is located in corresponding tunneling section
Between position.
In one embodiment, limit pier is configured to bending member, the first side of bending member and the sidewall spacers formula of supporting course
It is oppositely arranged, the second side is fixedly connected with surface layer of subgrade bed, and gasket is arranged between the first side of bending member and the side wall of supporting course.
Compared with the prior art, the advantages of the present invention are as follows adjustment is arranged in this method on the bedding of the lower section of supporting course
Slot with easily by after orbit adjusting to target elevation, then is filled adjustment tank by way of perfusion, then both can solve track
Arch also can solve the disease of track settlement, and it is high to adjust controlling, and is unearthed in construction and measures few, good economy performance.And
And method is directed to non-fragment orbit, can construct in Window time, block railway track is not needed, in construction period vehicle
It can run, railway operation be influenced very small.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, in figure:
Fig. 1 shows non-fragment orbit cross-sectional view according to an embodiment of the invention；
Fig. 2 shows the cross-sectional view of limit pier according to an embodiment of the invention；
Fig. 3 shows the top view of limit pier according to an embodiment of the invention；
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described.
The application provides a kind of method for renovating ballastless track roadbed elevation disease.
Firstly, position and the type of 60 disease of track are obtained by track detecting, so that it is determined that regulation range and rule
Draw renovation scheme.Then, in regulation range, adjustment tank 1 is arranged in the lower section of supporting course 80 by tunneling mode, such as Fig. 1 institute
Show.On vertical, which is extended downwardly by 80 bottom surface of supporting course (namely 90 surface of surface layer of subgrade bed).On longitudinal direction, adjustment tank
1 extends along 60 cloth set direction of track, and in transverse direction, the two sides of adjustment tank 1 are located at except the side wall of corresponding supporting course 80.
Then, track 60 is adjusted to target elevation.Finally, filling adjustment tank 1.
Adjustment tank 1 is arranged in this method on the bedding of the lower section of supporting course 80 as a result, by track 60,70 and of track plates
Supporting course 80 on surface layer of subgrade bed 90 together by separating, so as to which track 60 is easily adjusted to target elevation.It was adjusting
Cheng Zhong then can easily solve the arch of track 60 and track 60 since track 60 and supporting course 80 are separated from surface layer of subgrade bed 90
The disease of sinking.The adjustable range of this method is bigger, and adjusts controlling height, and adjustment effect is good.In addition, the above method is whole
Body project amount is few, high-efficient few, good economy performance.Moreover, method is directed to non-fragment orbit 60, Window time can construct at the scene,
Block railway track is not needed, can be run in construction period vehicle, railway operation is influenced very small.
In a specific embodiment, it first passes through track detecting result and determines irregularity area segments, i.e. 60 disease of track
Region.In the longitudinal direction, the both ends of designed adjustment tank 1 (it is, regulation range) are respectively to 60 disease area epitaxy of track
Stretch 4-8 meters, such as 5 meters.It is, the beginning and end of adjustment tank 15 meters of the beginning apart from disease area and end respectively.Pass through
This set, which can guarantee, is adjusted entire irregularity region, and helps successfully to adjust in entire irregularity region to mesh
Absolute altitude journey.
It in work progress, constructs for convenience, to form adjustment tank 1, work first is respectively set in the two sides of supporting course 80
Slot 2.On vertical, work nest 2 is extended downwardly by 90 surface of surface layer of subgrade bed, and the depth of work nest 2 is than the adjustment tank 1 that is pre-designed
Greatly at least 5 centimetres of depth.On longitudinal direction, work nest 2 along 60 cloth set direction of track extend and with 1 length one of the adjustment tank of design
It causes.In transverse direction, each work nest 2 is extended outwardly at least 65 centimetres by the side wall of the supporting course 80 of corresponding side.It is, the same side
At least 65 centimetres of the lateral wall of supporting course 80 of the wall in outside of work nest 2 apart from corresponding side.By the way that the work nest 2 is arranged
Subsequent boring construction be can be convenient to form adjustment tank 1.It should be noted that in the case where being not provided with work nest 2, by
In needing to install the operation such as first backing plate, the two sides by adjustment tank 1 is needed to be separately positioned on except the corresponding side of supporting course 80；And
In the case that work nest 2 is set, since two work nests 2 are separately positioned on except the two sides of supporting course 80, then adjustment tank 1 and work
Make its two sides of the connection of slot 2 to be also located at naturally except the corresponding side of supporting course 80.
Then, it is limited according to above-mentioned size and carries out the operation of tunneling adjustment tank 1.Due to being provided with work nest 2, then can be convenient
The laterally opposed formula in ground is constructed, to form adjustment tank 1 easily and fast.Further more, adjustment tank 1 is by surface layer of subgrade bed 90 on vertical
Surface extends downwardly, and the depth of adjustment tank 1 is obtained by calculating.Specifically, for the disease of track arch, the depth of adjustment tank
Are as follows: amount+required construction space depth+pre- allowance of track arch, that is, the depth size and the arch of track 60 of adjustment tank 1
Deflection is related.For the disease of track settlement, the depth of adjustment tank is required construction space depth.Wherein, on track
Arch and the disease sunk, required construction space depth is 5-15 centimetres, and pre- allowance is not more than 26 millimeters.It should be noted that
The size of required construction space depth value and the size of pre- allowance, can be according to the amount and construction of arch or deformation of sinking
Experience is determined, and the small then construction space depth value of the amount of deformation is also corresponding smaller, for example, the amount of deformation is 2 centimetres, is then constructed
Spatial depth value can be 5 centimetres.Conversely, then construction space depth value is also corresponding larger greatly for the amount of deformation, for example, the amount of deformation
It is 10 centimetres, then construction space depth value can be 10-15 centimetres.The small then pre- allowance of deflection is small, and deflection is then reserved greatly
Amount is big.
In the construction process, it carries out in segmented fashion.It preferably, in the longitudinal direction, will be using the after every tunneling 1.5-3 meters
One cushion block 3 carries out supporting.The deformation of track 60 can be effectively prevented in this form of construction work, to guarantee construction safety.Installation the
During one cushion block 3, Zong Xiangshang, the first cushion block 3 is placed on the middle position of corresponding excavation section.And in transverse direction, the first cushion block 3
Half is extended to 3/4ths in the adjustment tank 1 within the side of supporting course 80.This setup can be effectively ensured
The relative stability and supporting effect of track 60.
During excavation section by section, it is also necessary to which setting limit pier 4 avoids supporting to limit the lateral displacement of supporting course 80
Layer 80 and 60 plate transverse shifting of track, to guarantee the position of track 60.Specifically, as shown in Figures 2 and 3, every tunneling on longitudinal direction
When 5-12 meters of adjustment tank 1, limit pier 4 is fixedly installed respectively in 80 two sides of supporting course.On longitudinal direction, limit pier 4 is located at corresponding
The middle position of tunneling section.Preferably, limit pier 4 is configured to bending member.The side wall on the first side 41 and supporting course 80 of bending member
Compartment is oppositely arranged, such as 2 centimetres.And gasket 5 is set between the first side 41 of bending member and the side wall of supporting course 80.It is logical
Crossing this set can permit construction error and facilitates construction.And the second side 42 of bending part is fixedly connected with surface layer of subgrade bed 90.
For example, being fixedly connected by anchor pole 6.For example, three groups of laterally spaced anchor poles 6 are arranged on the second side 42.Each group anchor pole 6 includes
The anchor pole 6 of at least two longitudinal gaps setting.First group of anchor pole 6 positioned inside extends straight down.And it is in the two of outside
Group 6 tilting of anchor pole extends downwardly, and ecto-entad rolls on direction from top to bottom, the inclination of two groups of anchor poles 6 in outside
Angle can be 45 degree.Limit pier 4 can be fixed on surface layer of subgrade bed 90 by above-mentioned set-up mode securely very much.In order to improve limit
The intensity of pier 4, guarantee limit 60 lateral displacement of track effect, first in 41 and second while 42 between be arranged gusset 7.The muscle
Plate 7 can be vertically arranged triangular plate, wherein it is fixed with the first side 41 on one side, it is fixed with the second side 42 on one side.
After tunneling forms adjustment tank 1,60 plate of track and supporting course 80 are separated by surface layer of subgrade bed 90, at this time can be very convenient
Ground adjusts track 60 and arrives target elevation.Specifically, track 60 can be adjusted to target elevation by way of segmentation.For example,
Every 20-30 meter Wei Yi sections.During the adjustment, by first after 3 adjacent position of the first cushion block setting jack of tunneling setting
Cushion block 3 is withdrawn from.Track 60 is adjusted to target elevation by adjusting jack again.During each section of adjustment, to by track
After 60 are adjusted to target elevation, jack is withdrawn from after the second installation cushion block is filled in into adjustment tank 1.Until by irregularity region
Track 60 is all adjusted to target elevation.Track 60 efficiently can be transferred to target elevation very by above-mentioned setting, and maintain target
Elevation and advantageous subsequent construction.
In the specific implementation process, it for the disease of track arch, needs track to down toward target elevation, and it is required
Adjustment amount be the amount of arch plus pre- allowance (the pre- allowance is identical as the pre- allowance of above-mentioned adjustment tank excavation).For track
Track is adjusted upward the amount of sinking plus pre- allowance to target elevation (the pre- allowance and above-mentioned adjustment tank by the disease of sinking
The pre- allowance excavated is identical).
Finally, filling the adjustment tank 1.For example, levelling mortar can be pumped from into adjustment tank 1 to fill and fill the adjustment tank
1.This set construction is simple, uniform quality are constructed secure.
The above is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, any this field
Technical staff in technical scope disclosed by the invention, can be easy to carry out and be altered or varied, and this be altered or varied all
It is covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection scope of claims
It is quasi-.
Claims (10)
1. a kind of method for renovating ballastless track roadbed elevation disease characterized by comprising
Step 1, obtain track disease position and type so that it is determined that regulation range,
Adjustment tank is arranged in the lower section of supporting course by tunneling mode in regulation range in step 2,
Step 3, adjustment track to target elevation,
Step 4 fills the adjustment tank,
Wherein, in step 2, it is vertical on, the adjustment tank is extended downwardly by supporting course bottom surface, Zong Xiangshang, the adjustment tank along
Track cloth set direction extends, and in transverse direction, the two sides of the adjustment tank are located at the sidewall locations of the corresponding supporting course.
2. the method according to claim 1, wherein in the longitudinal direction, the both ends of adjustment tank are distinguished in step 2
4-8 meters are stretched to track disease area epitaxy,
And/or vertically, for the disease of track arch, the depth of the adjustment tank is the amount and required construction of track arch
Spatial depth is added with pre- allowance, and for the disease of track settlement, the depth of the adjustment tank is required construction space depth.
3. according to the method described in claim 2, it is characterized in that, in step 3, for the disease of track arch, by track
Track is adjusted upward sinking for the disease of track settlement to target elevation plus pre- allowance by the amount of adjustment arch downwards
Amount is plus pre- allowance to target elevation.
4. according to claim 1 to method described in any one of 3, which is characterized in that in step 2, by way of segmentation
Tunneling is carried out, to carry out supporting using the first cushion block after every tunneling 1.5-3 meters, first cushion block is placed in corresponding excavation section
Between at position,
And/or horizontally the half of first cushion block extended to 3/4ths it is described within the side of supporting course
In adjustment tank.
5. method according to any one of claims 1 to 4, which is characterized in that in step 2, before tunneling,
Work nest is respectively set in the two sides of supporting course, it is vertical on, the work nest is extended downwardly by surface layer of subgrade bed surface, and the work
Than greatly at least 5 centimetres of depth of preset adjustment tank, Zong Xiangshang, the work nest prolongs the depth of slot along track cloth set direction
It stretches, in transverse direction, each work nest is extended outwardly at least 65 centimetres by the side wall of the supporting course of corresponding side.
6. according to claim 1 to method described in any one of 5, which is characterized in that in step 3, by way of segmentation
Track is adjusted to target elevation, every 20-30 meter Wei Yi section, and during the adjustment, the setting thousand in each first cushion block adjacent position
Jin withdraws from the first cushion block behind top, then by adjusting the jack and by orbit adjusting to target elevation.
7. according to the method described in claim 6, it is characterized in that, during each section of adjustment, to by orbit adjusting to target
After elevation, the jack is withdrawn from after the second installation cushion block is filled in into adjustment tank.
8. according to claim 1 to method described in any one of 7, which is characterized in that in step 4, gravity flowing levelling mortar is perfused
To fill the adjustment tank.
9. according to claim 1 to method described in any one of 8, which is characterized in that in step 2, every tunneling 5- on longitudinal direction
When 12 meters of adjustment tank, the limit pier of the lateral displacement for limiting the supporting course is fixedly installed respectively in supporting course two sides,
On longitudinal direction, the limit pier is located at the middle position of corresponding tunneling section.
10. according to the method described in claim 9, it is characterized in that, the limit pier is configured to bending member, the bending member
First side and the sidewall spacers formula of the supporting course are oppositely arranged, and the second side is fixedly connected with the surface layer of subgrade bed, described curved
Gasket is set between first side of folding piece and the side wall of the supporting course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497282.3A CN110258189B (en) | 2019-06-10 | 2019-06-10 | Method for remedying ballastless track roadbed elevation disease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497282.3A CN110258189B (en) | 2019-06-10 | 2019-06-10 | Method for remedying ballastless track roadbed elevation disease |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110258189A true CN110258189A (en) | 2019-09-20 |
| CN110258189B CN110258189B (en) | 2021-12-28 |
Family
ID=67917400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497282.3A Active CN110258189B (en) | 2019-06-10 | 2019-06-10 | Method for remedying ballastless track roadbed elevation disease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258189B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670420A (en) * | 2019-09-30 | 2020-01-10 | 中铁十六局集团第四工程有限公司 | Underground excavation maintenance method for ballastless track subgrade of operation railway |
| CN111218859A (en) * | 2020-03-02 | 2020-06-02 | 中铁二院工程集团有限责任公司 | Ballastless track cutting structure, system and construction method for expansive and contractive deformation foundation |
| CN111749053A (en) * | 2020-06-03 | 2020-10-09 | 中铁四院集团岩土工程有限责任公司 | Method for treating arching of ballastless track roadbed |
| CN113403885A (en) * | 2021-06-01 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Method for treating arch-up disease of ballastless track |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111127A (en) * | 2011-03-31 | 2012-10-10 | 한국철도기술연구원 | Single pile concrete track structure and its settlement recovering device |
| CN204185729U (en) * | 2014-10-29 | 2015-03-04 | 中国铁道科学研究院铁道建筑研究所 | Track plates in a kind of railway ballastless track withholds stopping means |
| WO2016193599A1 (en) * | 2015-05-29 | 2016-12-08 | Systra | Support for a panel of a section of guided transport track |
| CN107858871A (en) * | 2017-11-07 | 2018-03-30 | 中铁第勘察设计院集团有限公司 | The regulation processing method that railway tunnel solid concrete roabed sinks |
| CN108951307A (en) * | 2018-03-21 | 2018-12-07 | 中国铁道科学研究院铁道建筑研究所 | A kind of regulation method of ballastless track roadbed arch |
| CN109594437A (en) * | 2019-01-25 | 2019-04-09 | 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 simple adjustable supporting system of track and its construction method |
-
2019
- 2019-06-10 CN CN201910497282.3A patent/CN110258189B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111127A (en) * | 2011-03-31 | 2012-10-10 | 한국철도기술연구원 | Single pile concrete track structure and its settlement recovering device |
| CN204185729U (en) * | 2014-10-29 | 2015-03-04 | 中国铁道科学研究院铁道建筑研究所 | Track plates in a kind of railway ballastless track withholds stopping means |
| WO2016193599A1 (en) * | 2015-05-29 | 2016-12-08 | Systra | Support for a panel of a section of guided transport track |
| CN107858871A (en) * | 2017-11-07 | 2018-03-30 | 中铁第勘察设计院集团有限公司 | The regulation processing method that railway tunnel solid concrete roabed sinks |
| CN108951307A (en) * | 2018-03-21 | 2018-12-07 | 中国铁道科学研究院铁道建筑研究所 | A kind of regulation method of ballastless track roadbed arch |
| CN109594437A (en) * | 2019-01-25 | 2019-04-09 | 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 simple adjustable supporting system of track and its construction method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670420A (en) * | 2019-09-30 | 2020-01-10 | 中铁十六局集团第四工程有限公司 | Underground excavation maintenance method for ballastless track subgrade of operation railway |
| CN111218859A (en) * | 2020-03-02 | 2020-06-02 | 中铁二院工程集团有限责任公司 | Ballastless track cutting structure, system and construction method for expansive and contractive deformation foundation |
| CN111749053A (en) * | 2020-06-03 | 2020-10-09 | 中铁四院集团岩土工程有限责任公司 | Method for treating arching of ballastless track roadbed |
| CN113403885A (en) * | 2021-06-01 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Method for treating arch-up disease of ballastless track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110258189B (en) | 2021-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110258189A (en) | A method of regulation ballastless track roadbed elevation disease | |
| CN108951307B (en) | A kind of regulation method of ballastless track roadbed arch | |
| CN103821039B (en) | Correcting method for high speed railway ballastless track subgrade in soft soil area | |
| CN106049193B (en) | One kind being used for roadbed section ballastless track of high-speed railway center line method for correcting error | |
| CN101182772A (en) | Two lines intersection small radius, shallow earth covering and large longitudinal slope complicated linetype shield construction method | |
| CN202945519U (en) | Reinforced structure for controlling embankment settlement during operational period | |
| CN109594437A (en) | A kind of simple adjustable supporting system of track and its construction method | |
| CN110241662A (en) | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling method | |
| CN110195381A (en) | Non-fragment orbit lifting method | |
| CN110144767A (en) | Help broad way based structures and construction method | |
| CN112212070A (en) | Pipe jacking track in gravel stratum and pipe jacking construction method | |
| CN110195382A (en) | Road structure and the method that track structure is lifted using the road structure | |
| CN108755284A (en) | Reduce the railway bed structure of subgrade settlement deformation to lacing wire material U-type groove | |
| CN110258221A (en) | A kind of box frame roadbed | |
| CN108301842A (en) | A kind of fixing device and construction method for controlling duct pieces of shield tunnel floating | |
| CN108108507B (en) | Design method for reinforcing railway karst roadbed by high-strength geotextile | |
| CN103821040B (en) | For the error-correction structure of soft clay area operation ballastless track of high-speed railway roadbed | |
| CN104652181A (en) | Light supporting structure for existing railway station roadbed on filling roadbed | |
| CN106759270A (en) | A kind of prefabricated reinforced concrete resistance to plucking pile construction method with ribbing | |
| EP2744942B1 (en) | Railway track support system | |
| CN207672341U (en) | A kind of adjustable High Speed Railway Subgrade of deformation | |
| CN104894935B (en) | A kind of existing highway or railroad embankment lighting subsidence control method | |
| CN106676988A (en) | Construction method for permeable wall type ventiduct roadbed | |
| CN204491320U (en) | Existing railway station roadbed light supporting structure on filled ground | |
| CN111963197B (en) | Gob-side entry retaining roadway supporting method for three-soft coal seam coal pillar-free mining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |