CN104452502B - The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease - Google Patents
The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease Download PDFInfo
- Publication number
- CN104452502B CN104452502B CN201410776755.0A CN201410776755A CN104452502B CN 104452502 B CN104452502 B CN 104452502B CN 201410776755 A CN201410776755 A CN 201410776755A CN 104452502 B CN104452502 B CN 104452502B
- Authority
- CN
- China
- Prior art keywords
- terminal spine
- slip casting
- hole
- injected hole
- injected
- 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
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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/04—Cleaning or reconditioning ballast or ground beneath
- E01B2203/047—Adding material, e.g. tar, glue, protective layers
Abstract
The invention provides a kind of construction method renovating non-fragment orbit terminal spine horizontal distortion disease, including non-fragment orbit terminal spine structure, first arrange observation station and deformation monitoring instrument at the rail top of two tracks, track plates two ends and concrete bed two ends；Outside two tracks and between little terminal spine and big terminal spine both sides road bed on be drilled with injected hole；After having holed, seamless mini-valve tube is installed in injected hole center, and without irrigating sleeve shell material between suture cuff valve and injected hole hole wall；Utilize Grouting Pipe to carry out slip casting in injected hole, slip casting process adjusts grouting pressure in time according to track deformation situation and grout absorption situation；After slip casting terminates, adopt and close injected hole with friction plate with concrete.The present invention, by terminal spine area subgrade bed carries out grouting and reinforcing, renovates the horizontal distortion disease of non-fragment orbit terminal spine.
Description
Technical field
The present invention relates to Geotechnical Engineering field, be specifically related to a kind of construction method renovating non-fragment orbit terminal spine horizontal distortion disease.
Background technology
The research of non-fragment orbit is started late by China, the fast development of high-speed railway, and design, construction are all not as foot with operation experience, also has key technology problems to need to be studied further.Meanwhile, in the spread and use procedure of non-fragment orbit technology, its disease problem also will be more and more prominent.After particularly ballastless track roadbed builds up, usual monolithic concrete is closed, and disease incidence is difficult to find, after disease finds, owing to mostly being concealed work, regulation difficulty is big, costly, and length consuming time.At present, for the reparation of plate-type ballastless track subgrade defect, from repair materials, restorative procedure and reparing process aspect all in the exploratory stage, the report of domestic and international this respect is comparatively rare, especially for CRTS II plate-type non-fragment orbit terminal spine Disease Treatment method, rare especially.
Summary of the invention
For the problems referred to above, the invention provides a kind of construction method renovating non-fragment orbit terminal spine horizontal distortion disease, by terminal spine area subgrade bed being carried out grouting and reinforcing, the horizontal distortion disease of regulation non-fragment orbit terminal spine.
The invention provides a kind of construction method renovating non-fragment orbit terminal spine horizontal distortion disease, comprise the following steps:
A. along track longitudinal direction in the rail top of two tracks, track plates two ends and concrete bed two ends layout observation station, deformation monitoring instrument is utilized to observe the distance between observation station thus calculating track deformation situation；
B. first little terminal spine outside two tracks and be drilled with injected hole slip casting in time on the road bed of big terminal spine both sides；
C. little terminal spine between two tracks and be drilled with injected hole slip casting in time on the road bed of big terminal spine both sides again；
In technique scheme, the work progress of injected hole comprises the following steps:
D., after having holed, it is inserted into seamless mini-valve tube at injected hole, and between seamless mini-valve tube and injected hole hole wall, irrigates sleeve shell material；
E. utilize Grouting Pipe to carry out slip casting in injected hole, slip casting process adjusts grouting pressure in time according to track deformation situation and grout absorption situation；
F., after slip casting terminates, injected hole is closed.
In technique scheme, the injected hole uniform intervals distribution of little terminal spine both sides, every side is two rows, and the row's injected hole near little terminal spine adopts below deep hole grouting and hole depth extremely little terminal spine elevation of bottom, and another row's injected hole adopts low pressure Shallow hole grouting and hole depth to friction plate；Every ranking is in the injected hole of little terminal spine both sides, and 4 injected holes close to track adopt inclined hole slip casting, and the angular range of described inclined hole slip casting is 20-30 degree；All the other injected holes being positioned at little terminal spine both sides all adopt vertical drilling slip casting.
In technique scheme, the injected hole uniform intervals distribution of big terminal spine both sides, every side is three rows, and the injected hole of described big terminal spine both sides all adopts deep hole grouting and hole depth to big terminal spine elevation of bottom；In the injected hole of big terminal spine both sides, close to two rows of big terminal spine, injected hole is parallel is correspondingly arranged in every side, another row's injected hole and above-mentioned two row's injected hole settings straggly；Every side is in two row's injected holes of big terminal spine, and 8 injected holes close to track adopt inclined hole slip casting, and the angular range of described inclined hole slip casting is 20-30 degree；All the other injected holes being positioned at big terminal spine both sides all adopt vertical drilling slip casting.
In technique scheme, water-bag type stop grouting plug is delivered at the bottom of seamless mini-valve tube before slip casting by step E, with handlance, water pocket being pressurizeed, it is ensured that when grouting pressure reaches design load, spillage and displacement do not occur water-bag type stop grouting plug, during handlance pressurization, hydraulic pressure should be not less than 1.0MPa.
In technique scheme, in step E, injecting paste material is superfine cement, it is desirable to specific surface area 600m2/kg, serum viscosity≤15s, calculus rate >=95%, 28d comprcssive strength >=7MPa, and Mortar mix proportion (weight ratio) is: water/cement=0.8～1.
In technique scheme, in step E, slip casting process adopts segmentation retrusive slip casting, and each slip casting length is 0.5m.
In technique scheme, in step E, slip casting open loop pressure is 0.2～0.4MPa, its mesolow Shallow hole grouting pressure 0.1MPa, deep hole grouting pressure 0.2～0.3MPa；Flow rate of grouting controls at 10～15L/min；It is that the some roadbed track vertical deformation of each skylight is not more than 5mm that deformation monitoring reaches security alarm value, and horizontal distortion is not more than 2mm, and between adjacent orbit, differential deformation is not more than 3mm.
In technique scheme, step E is that 5min more than namely terminate slip casting more than design pressure and midge amount less than 2.5L/min and stabilization time when grouting pressure；Or deformation monitoring is when reaching security alarm value, namely terminate slip casting.
The present invention crosses grouting mode and improves degree of compaction and the integrated degree of terminal spine area subgrade bed, make the Micro-soil Nailing And Mini group's anchor structure formed without suture cuff valve steel pipe and injecting cement paste, utilize the anchor force being positioned at terminal spine both sides soil nailing group's anchor structure, improve the ability of the horizontal force that terminal spine opposing is caused by temperature, ensure high-speed railway safety.Compare general floral tube slip casting, sleeve valve barrel grouting can pay close attention to any one grout compartment as required, higher grouting pressure can be used, during grouting, the probability of grout and grout leaking is little, boring and cementing operations can separate, the utilization rate making rig improves, and sleeve valve steel pipe is retained in injecting cement paste and forms Micro-soil Nailing And Mini group's anchor structure.The whole work progress of the art of this patent all can complete in the point of skylight, does not affect traffic safety.There is economy, safe, simple and practical feature.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram
Fig. 2 is little terminal spine deep hole grouting schematic diagram
Fig. 3 is little terminal spine low pressure Shallow hole grouting schematic diagram
Fig. 4 is the deep hole grouting schematic diagram of big terminal spine
Fig. 5 is injected hole schematic internal view
1-track, the big terminal spine of 2-, the big terminal spine of 3-, 4-deep hole, 5-low pressure shallow bore hole, 6-road bed, 7-friction plate, 8-injected hole, 9-is without suture cuff valve steel pipe, 10-sleeve shell material, 11-Grouting Pipe, 12-extravasating hole.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the invention will be further described:
The invention provides a kind of construction method renovating non-fragment orbit terminal spine horizontal distortion disease, comprise the following steps:
A. non-fragment orbit terminal spine structure includes two tracks 1, bedplate, friction plate 7, little terminal spine 3 and big terminal spine 2, red paint is utilized to draw labelling point as observation station at the rail top of two tracks 1, track plates two ends and concrete bed two ends every 10 meters, and arrange deformation monitoring instrument simultaneously, deformation monitoring instrument monitors the spacing of two observation stations in real time thus calculating track deformation situation；
B. little terminal spine 3 outside two tracks 1 and be drilled with injected hole 8 on the road bed of big terminal spine 2 both sides.Wherein being positioned at outside two tracks 1 and be distributed with three row's injected holes on the road bed of big terminal spine 2 both sides, the two each parallel corresponding distributions of row close to big terminal spine have two injected holes, and another is arranged only one of which injected hole and is positioned at the position of center line of above-mentioned two row's injected holes；Being positioned at outside two tracks 1 and be distributed with two row's injected holes on the road bed of little terminal spine 3 both sides, often arranging each parallel corresponding distribution has two injected holes.
C., after having holed, seamless mini-valve tube 9 is installed in injected hole 8 center, and between seamless mini-valve tube 9 and injected hole 8 hole wall, irrigates sleeve shell material 10；As shown in Figure 5, the described steel pipe of valve without suture cuff 9 is arranged at injected hole 8 center, being provided with sleeve shell material 10 between the steel pipe of valve without suture cuff and injected hole hole wall, without the radially even extravasating hole that is provided with of slip casting section of suture cuff valve steel pipe, extravasating hole 12 is circumferentially provided with and is nested with rubber and cuts down the groove of set.Injected hole 8 drilling diameter is not less than 75mm.The angular deviation of boring is less than ± 1%.Seamless mini-valve tube 9 adopts external diameter 45mm, and the seamless steel pipe of wall thickness 3mm processes.The extravasating hole 10 of 4 diameter 6～8mm that the every 0.5m processing of slip casting section is symmetrical, extravasating hole place circumferentially car goes out the groove for being nested with rubber valve pocket of wide 5cm, deep 1.0mm.Sleeve shell material 10 is filled in seamless mini-valve tube 9 periphery, and described sleeve shell material adopts the preparation of clay, cement, accelerator, and within 3 day, age comprcssive strength is about 0.2MPa.
D. as it is shown in figure 5, utilize Grouting Pipe 11 to carry out slip casting in injected hole 8, slip casting process adjusts grouting pressure in time according to track deformation situation and grout absorption situation；
Being delivered at the bottom of seamless mini-valve tube by water-bag type stop grouting plug before slip casting, with handlance, water pocket is pressurizeed, it is ensured that when grouting pressure reaches design load, spillage and displacement do not occur water-bag type stop grouting plug, during handlance pressurization, hydraulic pressure should be not less than 1.0MPa；
Injecting paste material is superfine cement, require specific surface area 600m2/kg, serum viscosity≤15s, calculus rate >=95%, 28d comprcssive strength >=7MPa, Mortar mix proportion (weight ratio) is preferably: water/cement=0.8～1, superfine cement grout material must use high speed agitator (1500rpm) to stir at least 5 minutes, in filling process, also stir with low-speed agitator, it is prevented that precipitation.For the ease of constructing continuously in the point of skylight, the presetting period should control within an hour, final setting time 24 hours, determines optimum proportioning by indoor and on-the-spot test before construction.
Adopting segmentation retrusive slip casting during slip casting, mobile Grouting Pipe 11 from bottom to top, utilizes extravasating hole 12 to carry out slip casting.Each slip casting length is 0.5m.
Wherein slip casting open loop pressure is 0.2～0.4MPa, its mesolow shallow bore hole 5 grouting pressure 0.1MPa, deep hole 4 grouting pressure 0.2～0.3MPa.Ensure that flow rate of grouting controls within 10～15L/min, it is that the some roadbed track vertical deformation of each skylight is not more than between 5mm, adjacent orbit differential deformation and is not more than 3mm that deformation monitoring reaches security alarm value, horizontal distortion is not more than 2mm, if track deformation situation need to reduce grouting pressure in time close to above-mentioned scope in slip casting process.
When grouting pressure is more than design pressure, and when midge amount is more than 5min less than 2.5L/min and stabilization time or deformation monitoring reaches security alarm value, slip casting can be terminated.
E., after slip casting terminates, reclaim Grouting Pipe 8 and slip casting adopts after condensing and closes injected hole 8 with friction plate with concrete；
F. little terminal spine 3 between two tracks 1 and be drilled with injected hole 8 on the road bed of big terminal spine 2 both sides；Wherein being distributed with three row's injected holes on the road bed of big terminal spine 2 both sides between two tracks 1, the two each parallel corresponding distributions of row close to big terminal spine have two injected holes, and another is arranged only one of which injected hole and is positioned at the position of center line of above-mentioned two row's injected holes；Being distributed with two row's injected holes on the road bed of little terminal spine 3 both sides between two tracks 1, often arranging each parallel corresponding distribution has two injected holes.
G. step C, D, E it are repeated in.
As shown in Figure 1, the present invention defines a kind of soil nailing group's anchor structure renovating non-fragment orbit terminal spine horizontal distortion disease, including non-fragment orbit terminal spine structure, non-fragment orbit terminal spine structure includes two tracks 1, bedplate, friction plate 7, little terminal spine 3 and big terminal spine 2, the road bed 6 of little terminal spine 3 and big terminal spine 2 both sides is all symmetrically arranged with multiple injected hole 8 along track 1 longitudinal direction, it is provided with without suture cuff valve steel pipe 9 and injecting cement paste in injected hole, complements each other to form soil nailing group's anchor structure without suture cuff valve steel pipe and injecting cement paste.The present invention is first drilled with the injected hole outside two tracks 1 and completes slip casting work in time, is then drilled with the injected hole between two tracks and completes slip casting work in time, effectively reinforcing the foundation soil of two tracks.
As it is shown in figure 1, described little terminal spine 3 both sides are equipped with evenly spaced two row's injected hole, often rows 6.As shown in Figure 2,3, row's injected hole near little terminal spine adopts below deep hole 4 slip casting and hole depth extremely little terminal spine 3 elevation of bottom 0.6m, another row's injected hole adopts low pressure shallow bore hole 5 slip casting and hole depth to friction plate less than 7 0.6m, it is ensured that injecting cement paste reasonable layout in stratum.Described every ranking is in the injected hole of little terminal spine both sides, and 4 injected holes close to track adopt inclined hole slip casting, and the angular range of described inclined hole slip casting is 20-30 degree；All the other injected holes being positioned at little terminal spine both sides all adopt vertical drilling slip casting, it is ensured that slip casting physical ability is uniformly distributed in railway bed.The injected hole of described little terminal spine both sides is divided into 3 groups, and namely often organizing often row is two holes.One of which injected hole is arranged between two tracks 1, and other two groups of injected holes lay respectively at the outside of two tracks 2.Can effective dead air space to the row's injected hole slip casting away from little terminal spine both sides, it is to avoid serosity grout leaking；The foundation soil of two tracks can be effectively reinforced to the row's injected hole slip casting near little terminal spine both sides.
As it is shown in figure 1, be set forth in big terminal spine 2 both sides be equipped with evenly spaced three row injected holes, near big terminal spine 2 two row injected holes be often row 6, other one row injected hole be often arrange 3.As shown in Figure 4, described injected hole all adopts deep hole 4 slip casting and hole depth and to be not less than 0.6m to big terminal spine elevation of bottom.The injected hole of described big terminal spine 2 both sides is divided into 3 groups, and namely two row's injected hole often groups close to big terminal spine are 2 holes, and another row's injected hole often group is a hole.One of which injected hole is arranged between two tracks, and other two groups of injected holes lay respectively at the outside of two tracks.In described often group injected hole, close to two rows of big terminal spine 2, injected hole is parallel is correspondingly arranged, another row's injected hole and above-mentioned two row's injected hole settings straggly.The injected hole being often located remotely from big terminal spine 2 in group three row's injected hole is positioned at the position of center line of two row injected holes.Can effective dead air space to two row's injected hole slip castings away from big terminal spine 2 both sides, it is to avoid serosity grout leaking；The foundation soil of two tracks can be effectively reinforced to the row's injected hole slip casting near big terminal spine 2 both sides.Described in two row's injected holes of big terminal spine, 8 injected holes close to track adopt inclined hole slip casting, and the angular range of described inclined hole slip casting is 20-30 degree；All the other injected holes being positioned at big terminal spine both sides all adopt vertical drilling slip casting, it is ensured that slip casting physical ability is uniformly distributed in railway bed.
Claims (8)
1. the construction method renovating non-fragment orbit terminal spine horizontal distortion disease, it is characterised in that comprise the following steps:
A. along track longitudinal direction in the rail top of two tracks (1), track plates two ends and concrete bed two ends layout observation station, deformation monitoring instrument is utilized to observe the distance between observation station thus calculating track deformation situation；
B. in the little terminal spine (3) in two track (1) outsides and big terminal spine (2) both sides road bed, first it is drilled with injected hole (8) slip casting in time；
C. little terminal spine (3) between two tracks (1) and be drilled with injected hole (8) slip casting in time on the road bed of big terminal spine (2) both sides again；The injected hole uniform intervals distribution of little terminal spine (3) both sides, every side is two rows, row's injected hole near little terminal spine (3) adopts below deep hole (4) slip casting and hole depth extremely little terminal spine (3) elevation of bottom, and another row's injected hole adopts (5) slip casting of low pressure shallow bore hole and hole depth to friction plate；Every ranking is in the injected hole of little terminal spine (3) both sides, and 4 injected holes close to track adopt inclined hole slip casting, and the angular range of described inclined hole slip casting is 20-30 degree；All the other injected holes being positioned at little terminal spine (3) both sides all adopt vertical drilling slip casting.
2. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 1, it is characterised in that the work progress of injected hole (8) comprises the following steps:
D., after having holed, insert seamless mini-valve tube (9) at injected hole (8), and between seamless mini-valve tube (9) and injected hole (8) hole wall, irrigate sleeve shell material (10)；
E. utilize Grouting Pipe (11) to carry out slip casting in injected hole (8), slip casting process adjusts grouting pressure in time according to track deformation situation and grout absorption situation；
F., after slip casting terminates, injected hole (8) is closed.
3. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 2, it is characterized in that the injected hole uniform intervals of big terminal spine (2) both sides is distributed, every side is three rows, and the injected hole of described big terminal spine (2) both sides all adopts deep hole (4) slip casting and hole depth to big terminal spine (2) elevation of bottom；In the injected hole of big terminal spine (2) both sides, close to two rows of big terminal spine (2), injected hole is parallel is correspondingly arranged in every side, another row's injected hole and above-mentioned two row's injected hole settings straggly；Every side is in two row's injected holes of big terminal spine (2), and 8 injected holes close to track adopt inclined hole slip casting, and the angular range of the inclined hole slip casting of described big terminal spine both sides is 20-30 degree；All the other injected holes being positioned at big terminal spine (2) both sides all adopt vertical drilling slip casting.
4. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 3, it is characterized in that water-bag type stop grouting plug is delivered at the bottom of seamless mini-valve tube before slip casting by step E, with handlance, water pocket is pressurizeed, guaranteeing that when grouting pressure reaches design load, spillage and displacement do not occur water-bag type stop grouting plug, during handlance pressurization, hydraulic pressure should be not less than 1.0MPa.
5. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 4, it is characterized in that in step E, injecting paste material is superfine cement, require specific surface area 600m2/kg, serum viscosity≤15s, calculus rate >=95%, 28d comprcssive strength >=7MPa, Mortar mix proportion (weight ratio) is: water/cement=0.8～1.
6. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 5, it is characterised in that in step E, slip casting process adopts segmentation retrusive slip casting, and each slip casting length is 0.5m.
7. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 6, it is characterized in that in step E, slip casting open loop pressure is 0.2～0.4MPa, its mesolow shallow bore hole (5) grouting pressure 0.1MPa, deep hole (4) grouting pressure 0.2～0.3MPa；Flow rate of grouting controls at 10～15L/min；It is that the some roadbed track vertical deformation of each skylight is not more than 5mm that deformation monitoring reaches security alarm value, and horizontal distortion is not more than 2mm, and between adjacent orbit, differential deformation is not more than 3mm.
8. the construction method of regulation non-fragment orbit terminal spine horizontal distortion disease according to claim 7, it is characterised in that be that 5min more than namely terminate slip casting more than design pressure and midge amount less than 2.5L/min and stabilization time when grouting pressure in step E；Or deformation monitoring is when reaching security alarm value, namely terminate slip casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776755.0A CN104452502B (en) | 2014-12-15 | 2014-12-15 | The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776755.0A CN104452502B (en) | 2014-12-15 | 2014-12-15 | The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104452502A CN104452502A (en) | 2015-03-25 |
| CN104452502B true CN104452502B (en) | 2016-06-29 |
Family
ID=52899203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410776755.0A Active CN104452502B (en) | 2014-12-15 | 2014-12-15 | The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104452502B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059496B (en) * | 2017-01-09 | 2019-10-01 | 北京瑞威铁科高铁工程有限公司 | A kind of track road-bridge transition section slip casting correction lifting method |
| CN109778618A (en) * | 2019-01-25 | 2019-05-21 | 北京瑞威世纪铁道工程有限公司 | Using the construction method at chemical pulp processing concrete bottom seat board expansion joint |
| CN112176781A (en) * | 2019-07-05 | 2021-01-05 | 北京华铁时代建设发展有限公司 | Method for controlling subgrade settlement of high-speed rail operation |
| CN111535079B (en) * | 2020-05-15 | 2021-07-20 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | End-stabbing anchoring force enhancing structure and construction method |
| CN111535078B (en) * | 2020-05-15 | 2021-07-20 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | End thorn area reinforcing structure and construction method |
| CN113718558A (en) * | 2021-09-16 | 2021-11-30 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Reinforcing method for rear anchoring structure of longitudinal connecting plate type ballastless track platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19623305A1 (en) * | 1996-06-11 | 1997-12-18 | Keller Grundbau Gmbh | Ground hardening equipment to prevent subsidence of railway line |
| DE10004626A1 (en) * | 2000-02-03 | 2001-08-23 | Walter Heilit Verkehrswegebau | Construction method for derailment guard for railway tracks with shutterings constructed on site on concrete track bed plate beside track, and space filled with concrete and reinforcements |
| CN1898442A (en) * | 2004-12-16 | 2007-01-17 | 德国睿铁有限责任公司 | Concrete track for rail vehicles |
| CN102071607A (en) * | 2011-01-26 | 2011-05-25 | 北京中铁瑞威基础工程有限公司 | Railroad bed repair method without affecting existing running conditions |
| CN102392402A (en) * | 2011-11-11 | 2012-03-28 | 中铁六局集团有限公司 | Road and bridge transition section grouting construction method used during jacking construction |
-
2014
- 2014-12-15 CN CN201410776755.0A patent/CN104452502B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19623305A1 (en) * | 1996-06-11 | 1997-12-18 | Keller Grundbau Gmbh | Ground hardening equipment to prevent subsidence of railway line |
| DE10004626A1 (en) * | 2000-02-03 | 2001-08-23 | Walter Heilit Verkehrswegebau | Construction method for derailment guard for railway tracks with shutterings constructed on site on concrete track bed plate beside track, and space filled with concrete and reinforcements |
| CN1898442A (en) * | 2004-12-16 | 2007-01-17 | 德国睿铁有限责任公司 | Concrete track for rail vehicles |
| CN102071607A (en) * | 2011-01-26 | 2011-05-25 | 北京中铁瑞威基础工程有限公司 | Railroad bed repair method without affecting existing running conditions |
| CN102392402A (en) * | 2011-11-11 | 2012-03-28 | 中铁六局集团有限公司 | Road and bridge transition section grouting construction method used during jacking construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104452502A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104452502B (en) | The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease | |
| CN101886382B (en) | Soft foundation reinforcing method of existing railway or highway subgrade construction | |
| CN101749030B (en) | Porous parallel-connected grouting method and device for reinforcing roadway weak surrounding rock | |
| CN103184734B (en) | A kind of construction method implanting slip casting compound pile | |
| CN102864712B (en) | Method and structure for micro-disturbance renovating of existing high speed railway subgrade deformation disease | |
| CN104328782B (en) | A kind of expansiveness perfusion support arrangement and the method administering railroad bed settlement deformation thereof | |
| CN106012697B (en) | Ballastless track roadbed high polymer grouting lifting method | |
| CN206902479U (en) | Ballastless track roadbed Deformation control is worn under a kind of aqueduct with repairing structure | |
| CN106837237A (en) | A kind of coal rock layer of body containing weak structure solidification forming hole method | |
| CN110241662B (en) | Method for reinforcing, lifting and leveling high-speed railway roadbed through uneven settlement | |
| CN103993594B (en) | A kind of micro-nano bubble process can liquefied foundation device and working method | |
| CN108506015A (en) | Excavate the construction method of artificial push pipe and application Pipe Jacking in a kind of Large Diameter Pipeline point storehouse | |
| CN107130475A (en) | Ballastless track roadbed Deformation control is worn under a kind of aqueduct with repairing structure and method | |
| CN207109478U (en) | Embankment deep layer disease no-dig technique Comprehensive Treatment structure | |
| CN104806253A (en) | Construction method for opening hole between rectangular pipe jacking channels | |
| CN202830649U (en) | Micro-disturbance disease treatment structure of deformation of existing high-speed railway embankment | |
| CN203213101U (en) | Embedding grouting combined pile | |
| CN106702835B (en) | A kind of restorative procedure for being used to settle non-fragment orbit | |
| CN103061224A (en) | Method for thawing and strengthening permafrost foundations by quicklime-sand piles | |
| CN102979091B (en) | Method for constructing cement jet grouting pile with fine aggregate concrete core | |
| CN104532714A (en) | Roadbed structure for treating deep soft soil karst foundation | |
| CN111535079B (en) | End-stabbing anchoring force enhancing structure and construction method | |
| CN107151972B (en) | Embankment deep layer disease no-dig technique Comprehensive Treatment construction method | |
| CN107653889A (en) | A kind of shaped steel pressure is poured water the construction method of soil curtain support pile | |
| CN204325834U (en) | The soil nailing group anchor structure of regulation non-fragment orbit terminal spine horizontal distortion disease |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |