CN110565451B - Repairing construction method for deformation of upper arch of ballastless track high-speed railway - Google Patents
Repairing construction method for deformation of upper arch of ballastless track high-speed railway Download PDFInfo
- Publication number
- CN110565451B CN110565451B CN201810567504.XA CN201810567504A CN110565451B CN 110565451 B CN110565451 B CN 110565451B CN 201810567504 A CN201810567504 A CN 201810567504A CN 110565451 B CN110565451 B CN 110565451B
- Authority
- CN
- China
- Prior art keywords
- roadbed
- track
- supporting layer
- jacking device
- concrete
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
A repairing construction method for deformation of an upper arch of a ballastless track high-speed railway is used for repairing the upper arch of a roadbed without interrupting a travelling crane. The method comprises the following steps: excavating slot holes in the roadbed surface layer at the bottom of the segmented track supporting layer at intervals, and placing a jacking device in the slot holes to enable the top of the jacking device to be in close contact with the bottom of the track supporting layer; jumping a groove between the jacking devices to excavate a roadbed surface filling body, wherein an excavation construction bottom surface line is slightly lower than a repaired roadbed top surface line; pouring high-strength cement mortar or concrete to the top line of the repaired roadbed; excavating residual roadbed surface filling bodies among the jacking devices; pouring high-strength cement mortar or concrete to the top line of the repaired roadbed; contracting the jacking device and taking out the jacking device; pouring high-strength cement mortar or concrete in a cavity left by the jacking device for sealing, and repairing a track supporting layer in the section to a top line of the repaired roadbed; and a cushion block is arranged at the bottom of the track fastener at the top of the track supporting layer, so that the elevation of the track surface is restored to the elevation before the upper arch repairing.
Description
Technical Field
The invention relates to a repairing construction method for deformation of an upper arch of a ballastless track high-speed railway, in particular to the repairing construction of the upper arch of the ballastless track high-speed railway with a rock foundation.
Background
The ballastless track high speed railway has extremely strict requirements on deformation, the high speed railway roadbed is mainly used for solving settlement deformation under the common condition, but when the ballastless track high speed railway roadbed passes through an expansion rock foundation, a deep-dug soft rock foundation and a seasonal frozen soil rock region in a cutting form, the following technical problems can occur: when the moisture of the expanded rock foundation is increased, a large upward expansion force is generated; under the great unloading action of the deep-excavated soft rock, the rock body can generate upward creep deformation or rheological deformation, and the duration time is long; in seasonal frozen soil areas, rock and soil bodies are subjected to cyclic frost heaving deformation in the freezing depth influence range, too many cases of rock foundation upwarp deformation appear in engineering practice, railway operation is interrupted, a track structure is dismantled and re-construction is carried out for restoration, and as a result, a series of problems such as large social influence, economic loss and weight loss are caused. When the expanded rock upwarp deformation, deep-excavation soft rock creep deformation, rheological deformation and frost heaving deformation occur, the operation safety of the high-speed railway is seriously influenced, and the upwarp deformation is difficult to repair and adopt effective measures to solve under the current technical conditions. The applicant provides an upward arching repairing and reinforcing structure for a high-speed railway roadbed in patent application No. 201410042388.1, which can effectively solve the problem of upward arching deformation repair of a soil foundation, and because a rock foundation has strong structural strength, the generated upward arching deformation cannot be repaired by arranging pressure relief holes and tensioning anchor cables. Therefore, the method for repairing the deformation of the upper arch of the ballastless track high-speed railway suitable for all foundation conditions has important significance, and has the characteristics of no interruption of driving, simple construction, good repairing effect and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a repairing construction method for the deformation of the upper arch of the ballastless track high-speed railway, so as to realize the repairing of the upper arch of the roadbed without interrupting the driving, and the repairing construction method is simple and has good repairing effect.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a repairing construction method for deformation of an upper arch of a ballastless track high-speed railway, which comprises the following steps:
firstly, excavating slotted holes in the roadbed surface layer at intervals at the bottom of a segmented track supporting layer, wherein the bottoms of the slotted holes are lower than the top line of the repaired roadbed, and placing a jacking device in the slotted holes to enable the tops of the jacking devices to be in close contact with the bottom of the track supporting layer;
secondly, jumping a groove between the jacking devices to excavate roadbed surface filling bodies, wherein the excavation construction bottom surface line is slightly lower than the repaired roadbed top surface line;
pouring high-strength cement mortar or concrete in the excavated space until the top line of the repaired roadbed;
fourthly, after the high-strength cement mortar or the concrete in the third step reaches the design strength, excavating the residual roadbed surface filling bodies between the jacking devices;
fifthly, pouring high-strength cement mortar or concrete in the excavated space until the top line of the repaired roadbed;
sixthly, contracting the jacking device, taking out the jacking device, adjusting the bottom of the rail supporting layer to a required height, and effectively contacting the rail supporting layer with the high-strength cement mortar or concrete repaired and backfilled at the lower part;
seventhly, pouring and sealing high-strength cement mortar or concrete in the cavity left by the jacking device, and repairing the track supporting layer in the section to the top line of the repaired road base;
arranging a cushion block at the bottom of a track fastener at the top of a track supporting layer to restore the elevation of a track surface to the elevation before arch-up repair;
ninthly, repeating the steps (ninthly) to (ninthl) to complete all the repair projects;
and (5) taking out the cushion blocks arranged at the bottoms of all the rail fasteners at the red body, and locking the rail fasteners again to finish all the upper arch repair projects.
The invention has the advantages that the bearing effect of the jacking device and the roadbed surface structure is fully utilized in the process of the deformation repair of the upper arch, the travelling crane is not interrupted in the repair process, and the repair construction is fast and efficient; the excavation height of the surface layer of the roadbed can be larger than the required height of the roadbed surface after restoration, so that the requirement on excavation construction precision is not high, and quick construction can be realized; the time that directly uses jacking device to bear the weight of is short in the restoration work progress, can effectively ensure train operation safety.
Drawings
The specification includes the following eight drawings:
fig. 1 to 8 are schematic flow charts of a repairing construction method for deformation of an upper arch of a ballastless track high-speed railway according to the invention;
the component names and corresponding labels are shown in the figure: the device comprises a roadbed surface filling body 1, a track supporting layer 2, a jacking device 3, a roadbed top surface line A before repair, a roadbed top surface line B after repair and an excavation construction bottom surface line C.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
referring to fig. 1 to 8, the method for repairing deformation of an upper arch of a ballastless track high-speed railway comprises the following steps:
firstly, excavating slotted holes at intervals in a roadbed surface filling body 1 at the bottom of a segmented track supporting layer 2, wherein the bottom of each slotted hole is lower than a repaired roadbed top line B, and placing a jacking device 3 in each slotted hole to enable the top of each jacking device 3 to be in close contact with the bottom of the track supporting layer 2;
jumping a groove between the jacking devices 3 to excavate the roadbed surface filling body 1, wherein an excavation construction bottom surface line C is slightly lower than a repaired roadbed top surface line B;
pouring high-strength cement mortar or concrete in the excavated space until the top line B of the repaired roadbed;
fourthly, after the high-strength cement mortar or the concrete in the third step reaches the design strength, excavating the residual roadbed surface filling bodies 1 between the jacking devices 3;
fifthly, pouring high-strength cement mortar or concrete in the excavated space until the top line B of the repaired roadbed is formed;
sixthly, contracting the jacking device 3, taking out the jacking device 3, adjusting the bottom of the track supporting layer 2 to a required height, and effectively contacting the bottom of the track supporting layer with high-strength cement mortar or concrete backfilled by lower restoration;
seventhly, pouring high-strength cement mortar or concrete into the cavity reserved by the jacking device 3 for sealing, and repairing the track supporting layer 2 in the section until the top line B of the repaired road foundation is formed;
arranging a cushion block at the bottom of a track fastener at the top of the track supporting layer 2 to restore the elevation of the track surface to the elevation before the upper arch repair;
ninthly, repeating the steps from the first step to the third step to complete all repair projects;
and (5) taking out the cushion blocks arranged at the bottoms of all the rail fasteners at the red body, and locking the rail fasteners again to finish all the upper arch repair projects.
The invention fully utilizes the bearing effect of the jacking device and the roadbed surface structure in the process of the deformation repair of the upper arch, ensures that the travelling crane is not interrupted in the repair process, and has quick and efficient repair construction; the excavation height of the surface layer of the roadbed can be larger than the required height of the roadbed surface after restoration, so that the requirement on excavation construction precision is not high, and quick construction can be realized; the time that directly uses jacking device to bear the weight of is short in the restoration work progress, can effectively ensure train operation safety.
The above description is only used to illustrate some principles of the repairing construction method for the deformation of the upper arch of the ballastless track high-speed railway of the present invention, and the present invention is not limited to the application range of the construction method shown and described, so all the corresponding modifications and equivalents which may be utilized belong to the patent scope applied by the present invention.
Claims (1)
1. A repairing construction method for deformation of an upper arch of a ballastless track high-speed railway comprises the following steps:
firstly, digging slotted holes at intervals in a roadbed surface layer filling body (1) at the bottom of a segmented track supporting layer (2), wherein the bottoms of the slotted holes are lower than a repaired roadbed top surface line (B), and placing a jacking device (3) in the slotted holes to ensure that the top of the jacking device (3) is in close contact with the bottom of the track supporting layer (2);
jumping a groove between the jacking devices (3) to excavate the roadbed surface filling body (1), wherein an excavation construction bottom surface line (C) is slightly lower than a repaired roadbed top surface line (B);
thirdly, pouring high-strength cement mortar or concrete in the excavated space until the top line (B) of the repaired roadbed;
fourthly, after the high-strength cement mortar or the concrete in the third step reaches the design strength, excavating the residual roadbed surface filling bodies (1) between the jacking devices (3);
fifthly, pouring high-strength cement mortar or concrete in the excavated space until the top line (B) of the repaired roadbed;
sixthly, contracting the jacking device (3), taking out the jacking device (3), adjusting the bottom of the track supporting layer (2) to a required height, and effectively contacting the track supporting layer with high-strength cement mortar or concrete backfilled by lower restoration;
seventhly, pouring high-strength cement mortar or concrete into the cavity left by the jacking device (3) for sealing, and repairing the track supporting layer (2) in the section to the top line (B) of the repaired roadbed;
arranging a cushion block at the bottom of a track fastener at the top of a track supporting layer (2) to restore the elevation of a track surface to the elevation before upper arch repair;
ninthly, repeating the steps from the first step to the third step to complete all repair projects;
and (5) taking out the cushion blocks arranged at the bottoms of all the rail fasteners at the red body, and locking the rail fasteners again to finish all the upper arch repair projects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567504.XA CN110565451B (en) | 2018-06-05 | 2018-06-05 | Repairing construction method for deformation of upper arch of ballastless track high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567504.XA CN110565451B (en) | 2018-06-05 | 2018-06-05 | Repairing construction method for deformation of upper arch of ballastless track high-speed railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110565451A CN110565451A (en) | 2019-12-13 |
| CN110565451B true CN110565451B (en) | 2022-09-16 |
Family
ID=68772571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810567504.XA Active CN110565451B (en) | 2018-06-05 | 2018-06-05 | Repairing construction method for deformation of upper arch of ballastless track high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565451B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111549596B (en) * | 2020-04-22 | 2021-07-27 | 中铁二院工程集团有限责任公司 | Online grinding construction method for railway steel rail mounting groove |
| CN111535090A (en) * | 2020-05-12 | 2020-08-14 | 湖北木之君工程材料有限公司 | Bag filling method lifting rapid repairing method for ballastless track settlement |
| CN111827022A (en) * | 2020-07-09 | 2020-10-27 | 武汉比邻工程技术有限公司 | Quick maintenance method for double-block ballastless track |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2010108585A (en) * | 2010-03-09 | 2011-09-20 | Валерий Иванович Грицык (RU) | METHOD FOR STRENGTHENING RAILWAY |
| CN102259353A (en) * | 2010-05-25 | 2011-11-30 | 拜耳材料科技(中国)有限公司 | Method and device for cutting polyurethane rail way ballast bed as well as application thereof |
| CN102864712A (en) * | 2012-10-16 | 2013-01-09 | 中铁第四勘察设计院集团有限公司 | Method and structure for micro-disturbance renovating of existing high speed railway subgrade deformation disease |
| CN103821038A (en) * | 2014-01-28 | 2014-05-28 | 中铁二院工程集团有限责任公司 | Repairing and reinforcing structure for upwarping of high-speed railway subgrade |
| CN106758591A (en) * | 2017-01-09 | 2017-05-31 | 北京瑞威铁科高铁工程有限公司 | A kind of non-fragment orbit slip-casting lifting and lifting method for correcting error |
| CN107460790A (en) * | 2017-07-22 | 2017-12-12 | 中铁二院工程集团有限责任公司 | A kind of non-fragment orbit railway swelling rock chasm structuref and construction method |
| CN207130539U (en) * | 2017-07-19 | 2018-03-23 | 中铁二院工程集团有限责任公司 | A kind of non-fragment orbit high-speed railway expensive soil cutting ruggedized construction |
-
2018
- 2018-06-05 CN CN201810567504.XA patent/CN110565451B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2010108585A (en) * | 2010-03-09 | 2011-09-20 | Валерий Иванович Грицык (RU) | METHOD FOR STRENGTHENING RAILWAY |
| CN102259353A (en) * | 2010-05-25 | 2011-11-30 | 拜耳材料科技(中国)有限公司 | Method and device for cutting polyurethane rail way ballast bed as well as application thereof |
| CN102864712A (en) * | 2012-10-16 | 2013-01-09 | 中铁第四勘察设计院集团有限公司 | Method and structure for micro-disturbance renovating of existing high speed railway subgrade deformation disease |
| CN103821038A (en) * | 2014-01-28 | 2014-05-28 | 中铁二院工程集团有限责任公司 | Repairing and reinforcing structure for upwarping of high-speed railway subgrade |
| CN106758591A (en) * | 2017-01-09 | 2017-05-31 | 北京瑞威铁科高铁工程有限公司 | A kind of non-fragment orbit slip-casting lifting and lifting method for correcting error |
| CN207130539U (en) * | 2017-07-19 | 2018-03-23 | 中铁二院工程集团有限责任公司 | A kind of non-fragment orbit high-speed railway expensive soil cutting ruggedized construction |
| CN107460790A (en) * | 2017-07-22 | 2017-12-12 | 中铁二院工程集团有限责任公司 | A kind of non-fragment orbit railway swelling rock chasm structuref and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 高速铁路无砟轨道区段路基上拱整治技术;朱兴永等;《铁道建筑》;20180520;第58卷(第05期);第87-89页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110565451A (en) | 2019-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110565451B (en) | Repairing construction method for deformation of upper arch of ballastless track high-speed railway | |
| US9322137B2 (en) | Method for building structures, particularly passages under operating railways or the like | |
| CN105735322B (en) | A kind of design and construction method of the recyclable supporting construction of combination of rigidity and flexibility antiseepage | |
| US8898996B2 (en) | Method for forming a retaining wall, and corresponding retaining wall | |
| US20140314497A1 (en) | Polymer grouting method for constructing gravel pile | |
| KR20060131904A (en) | Method of adjusting the height of a fixed rail carriageway | |
| CN101768924B (en) | Overhead method for existing railway in area with soft foundation and high water level | |
| CN106012697A (en) | Ballastless track roadbed high polymer injection lifting method | |
| CN104314006B (en) | Towards the high-performance slide device of large-tonnage pushing tow engineering | |
| CN113062354A (en) | Assembly method for prefabricated subway station of open-cut pile support system | |
| CN102660955A (en) | Quick construction method for foundation pit slope support | |
| CN106702912A (en) | Construction method of dismantling old beam top and introducing new bridge on existing railway | |
| CN107460790B (en) | Ballastless track railway expanded rock cutting structure and construction method | |
| KR100683589B1 (en) | Amethod for solidification of railroad bridge and public works-connection part | |
| CN106702835B (en) | A kind of restorative procedure for being used to settle non-fragment orbit | |
| CN110241744A (en) | The construction method of jacking frame box culvert is worn under a kind of railway | |
| CN109837811B (en) | Counterforce structure for transverse deviation rectification of ballastless track of roadbed section and manufacturing method thereof | |
| CN112176793A (en) | Repairing method for ballastless track settlement | |
| CN204224990U (en) | Towards the high-performance slide device of large-tonnage pushing tow engineering | |
| CN208184752U (en) | The bottom stab ilization system in rich water soft stratum heavy haul railway tunnel | |
| Prentis et al. | Underpinning: its practice and applications | |
| KR100620057B1 (en) | A method supporting rigidity of railroad bridge and public works-connection part | |
| RU2752888C1 (en) | Method for reinforcing railway roadbed in the area of junction with an artificial structure | |
| CN113217002B (en) | Construction method for jacking side positions crossing existing lines in frame culvert points | |
| CN210946862U (en) | Novel bored concrete pile formula bank mark basis |
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 |