CN101798784A - Device and method for stabilizing ballasts in railway ballast bed - Google Patents
Device and method for stabilizing ballasts in railway ballast bed Download PDFInfo
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- CN101798784A CN101798784A CN201010124979A CN201010124979A CN101798784A CN 101798784 A CN101798784 A CN 101798784A CN 201010124979 A CN201010124979 A CN 201010124979A CN 201010124979 A CN201010124979 A CN 201010124979A CN 101798784 A CN101798784 A CN 101798784A
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- sleeper
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Abstract
The invention provides a device and a method for stabilizing ballasts in a railway ballast bed. The device is characterized in that a complete ballasted track structure is formed by arranging baggy devices having grids below and around sleepers, laying the ballasts around the sleepers, laying all the sleepers with mesh structures on a line according to the geometry requirement of the line, and filling the gaps among the baggy structures having the sleepers and other baggy structures with the ballasts; and the baggy devices form barriers in the ballast bed to prevent the horizontal or downward movement of the ballasts in the ballast bed. The device and the method have the advantage that: under the action of train load, the ballasts in the ballast bed can generate corresponding vibration response, but the ballasts in the bags cannot pass through the meshes to diffuse to the outside due to the barrier of the meshes, and the ballasts outside the bags cannot pass through the meshes to enter the bags due to the barrier of the meshes neither so as to limit and restrain the movement of the ballasts and improve the stability of each part of the ballast bed.
Description
Technical field
The present invention relates to a kind of railway traffic transportation technology field, particularly a kind of railroad track railway roadbed ballast stable method, especially devices and methods therefor of the ballasts in railway ballast bed under the bullet train loading under the effect of DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES lotus of keeping.
Background technology
In the quarrel railroad track is arranged, railway roadbed is made up of the ballast of different size particles, functions such as elasticity and draining are provided for track structure, have cost low, provide better elastic, construction advantage such as simple easy to maintenance to track structure, obtained using widely in railway, most in the world at present track structures are to belong to this ballasted track structure.But because the railway roadbed ballast belongs to a kind of prose style free from parallelism structure, under the effect of train load, railway roadbed can produce and distortion, and this sinking and distortion can influence the safety and the comfort level of train operation, therefore must carry out maintenance and reparation to track structure, to keep how much requirements of track structure.Main maintenance work in the current track structure is exactly to sinking and the railway roadbed of distortion keeps in repair and restores.Along with improving constantly of train speed, the speed of this distortion causes the continuous cycle that increases and keep in repair of the maintenance work of track structure is constantly shortened also in continuous quickening, and cost also constantly increases.According to discovering, the principal element that causes railway roadbed distortion and sink is a train when passing through track structure, and the train loading makes railway roadbed produce vibration, under certain vibration acceleration, ballast in the ballast bed structure can be subjected to displacement, and has caused the distortion of ballast bed of track.Research is also found, this displacement and distortion generally are uneven, it is the most serious around the bottom of sleeper reaches, under the train loading, the main rule of ballast motion is: the ballast of sleeper bottom is along with vibration force effect moving displacement around sleeper, the ballast in the sleeper bottom, and the sleeper bottom is far away more along with leaving, because the vibration force decay, corresponding moving displacement is also more and more littler.This motion and the vibration acceleration size in displacement and the railway roadbed of ballast are closely related.The displacement of control railway roadbed and distortion main method and thinking are the vibrations of railway roadbed under the loading of control train in the railway maintenance maintenance at present, mainly be in vehicle and track structure, to have taked some vibration reducing measures, feasible effect wheel-rail force in orbit can be decayed fully, like this vibration acceleration in the railway roadbed is controlled in certain scope, reaches ballast motion of control railway roadbed and displacement purpose.But the continuous increase with train load of improving constantly along with train speed in recent years, the vibration of railway roadbed and stressed also constantly aggravation, especially the deformation tendency of railway roadbed is even more serious in the ballasted track structure of high-speed railway, has formed the contradiction of train operation and maintenance.
Find under study for action, the effect of train load, the main cause that causes the railway roadbed distortion is two aspects, one is exactly because the train loading makes the ballast of railway roadbed constantly by densification, this phenomenon is along with the continuous effect of load, railway roadbed is tended towards stability by densification, and displacement deformation will be more and more littler; Another phenomenon is exactly the effect of train load, ballast in the railway roadbed has produced vibration, railway roadbed is a kind of prose style free from parallelism structure, can not bear pulling force in theory, therefore the ballast of railway roadbed is when being subjected to the vibration force of certain intensity, especially after the acceleration that produces owing to vibration in railway roadbed has overcome the gravity in the ballast, can produce relative displacement and motion, the motion of ballast and displacement, mainly be to diffusion all around, especially the ballast under sleeper moves diffusion to all around, caused the railway roadbed distortion of supporting rail occipitalia position to make sleeper sink, the load size of this phenomenon and train and the speed of service is directly relevant and the compactness of railway roadbed does not increase and directly concerns, train load is big more and speed is high more, and the sinking of railway roadbed and distortion will be serious more also.Therefore adopting effective method and measure to control this distortion is that the railway roadbed ballast was very important owing to vibrating the ballast displacement that produces around control sleeper bottom reached.
Summary of the invention
Technical problem to be solved by this invention is a kind of energy control will be provided and improve railway track structure under the train load effect, railway roadbed is when vibration, sleeper bottom ballast to around the diffusion and the device and method of displacement, purpose is to reduce the railway roadbed that causes owing to the ballast displacement under the sleeper to sink, and keeps this regional railway roadbed stable.Basic ideas of the present invention are that a device is set in the railway roadbed of sleeper circumferential, this device major function is not the Oscillation Amplitude that reduces railway roadbed ballast in this zone, the major function of this device is that the ballast in this zone is restricted in displacement of when vibration and motion, ballast can not be as usually when being subjected to vibration force, to diffusion all around and mobile, thereby also, played and improved railroad track railway roadbed stablizing under the train load effect with regard to not causing owing to the ballast under the sleeper sinks to moving the railway roadbed that produces under the sleeper all around.
In order to solve above technical problem, the invention provides a kind of device of stabilizing ballasts in railway ballast bed, in sleeper bottom and railway roadbed all around thereof, be provided with the bag shape device of mesh, the built-in sleeper of bag shape device, fill with ballast aggregate in gap between sleeper and bag shape device, bag shape device and the railway roadbed, and the size of mesh is not more than the particle diameter of ballast aggregate.The mesh size is set according to following requirement, guarantee effectively to transmit mutual active force between the outer ballast aggregate of bag ballast aggregate that the shape device is interior and bag shape device, can prevent effectively that the ballast aggregate in bag shape device from passing by mesh, can prevent effectively also simultaneously that the outer ballast aggregate of bag shape device from entering within bag shape device by mesh, makes a bag shape device play the purpose that stops the ballast aggregate displacement.
The described bag shape device that has mesh is an opening, and three side sealing closes.This end face that has the bag shape device of mesh is an opening surface, and the width of opening surface is a bit larger tham the width of sleeper.Sleeper is put into a bag shape device the inside from above, do not hinder maintenance tool to carry out the maintenance tamping operation in track structure, but can not be too big, the effectively motion of ballast aggregate in the limiting bag shape device.
The side of the described bag shape device that has a mesh and the ultimate range of sleeper are not more than 10cm.
The described wire rod that has the bag shape device of mesh is metal or macromolecular material.The diameter of wire rod should not be too thick, the part that has mesh face in the feasible bag shape device has certain toughness and pliability, when guaranteeing that bag shape device is placed in the railway roadbed, the inside and outside ballast aggregates of part such as around it and bottom are fitted closely, and the power transmission between the inside and outside ballast aggregate can not be subjected to the influence of grid.The wire rod that has the bag shape device of mesh also should have certain intensity and weatherability.
Use aforementioned stable ballasts in railway ballast bed device to be used for the antihunt means of stable roadbed, these antihunt means comprise following step:
Step is 1.: sleeper is put into the bag shape device that has mesh;
Step is 2.: place ballast aggregate in bag shape device, be used to fill the gap between sleeper and bag shape device;
Step is 3.: a bag shape device that requires sleeper will be housed, fill ballast aggregate according to circuit is laid on the railway roadbed of pre-laying;
Step is 4.: fill and lead up gap between bag shape device and the railway roadbed with ballast aggregate, form complete ballast bed structure;
Step is 5.: on sleeper successively steel rail laying, adjust track geometry, finish the laying of track.
Superior effect of the present invention is:
1) all being had mesh-structured sleeper lays on the line according to the geometry morpheme requirement of circuit, have in the mesh-structured and mesh-structured space of sleeper, ballast aggregate with same material and particle diameter is filled, formed complete ballasted track structure, can the elasticity and the uniformity of track do not exerted an influence, net structure is covered by the ballast aggregate of railway roadbed among the ballast of whole railway roadbed, has formed the constraint barrier among railway roadbed, has stoped the level of ballast or downward moving in the railway roadbed;
2) because the effect of mesh, under the train load effect, though the ballast aggregate in the railway roadbed can produce corresponding vibratory response, but the ballast aggregate in the mesh has been subjected to stopping of mesh, can not pass mesh is diffused into outside the mesh, the outer ballast aggregate of same mesh has been subjected to stopping of mesh, can not pass mesh and enter within the mesh, reaches and improves the stable purpose in each position of railway roadbed;
3) the present invention is applicable to any ballasted track structure, to parts such as the sleeper in track structure and the track structure, railway roadbed without any specific (special) requirements, can not change the transitive relation of the stress between the ballast in the railway roadbed yet, can not change the function such as elasticity, draining of railway roadbed, can reduce the ballast aggregate maintenance work of track after laying, can not increase any unfavorable and inconvenient side effect other maintenance works of track structure.
Description of drawings
Fig. 1 is the longitudinal section schematic diagram of the embodiment of the invention along the rail direction;
Fig. 2 is the schematic cross-sectional view of the embodiment of the invention along the rail direction;
The number in the figure explanation
The 1-sleeper; 2-has the bag shape device of mesh;
Ballast aggregate in the 3-bag; The ballast aggregate that the 4-bag is outer;
The 5-railway roadbed; The 6-rail.
The specific embodiment
See also shown in the accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, the invention provides a kind of device of stabilizing ballasts in railway ballast bed, in sleeper 1 bottom and railway roadbed all around 5 thereof, be provided with the bag shape device 2 of mesh, bag shape device 2 built-in sleepers 1, fill with ballast aggregate in gap between sleeper 1 and bag shape device 2, bag shape device 2 and the railway roadbed 5, and the size of mesh is not more than the particle diameter of ballast aggregate.The mesh size is set according to following requirement, guarantee effectively to transmit mutual active force between the outer ballast aggregate 4 of bag ballast aggregate 3 that the shape device is interior and bag shape device, can prevent effectively that the ballast aggregate 3 in bag shape device from passing by mesh, can prevent effectively also simultaneously that the outer ballast aggregate 4 of bag shape device from entering within bag shape device by mesh, makes a bag shape device 2 play the purpose that stops the ballast aggregate displacement.
The described bag shape device 2 that has mesh is opening, bottom and a side-closed.This end face that has the bag shape device 2 of mesh is an opening surface, and the width of opening surface is a bit larger tham the width of sleeper 1.Sleeper 1 is put into bag shape device 2 the insides from above, does not hinder maintenance tool to carry out the maintenance tamping operation in track structure, but can not be too big, the effectively motion of ballast aggregate 3 in the limiting bag shape device.
The side of the described bag shape device 2 that has a mesh and the ultimate range of sleeper 1 are not more than 10cm.
The described wire rod that has the bag shape device 2 of mesh is metal or macromolecular material.Described wire rod should have enough intensity and abrasion resistance, guarantees that this bag shape device 2 can bear extruding between the ballast, wearing and tearing and can not be damaged in railway roadbed 5, guarantee to have enough application life.The diameter of wire rod should not be too thick, the part that has mesh face in the feasible bag shape device 2 has certain toughness and pliability, when guaranteeing that bag shape device 2 is placed in the railway roadbed 5, the inside and outside ballast aggregates of part such as around it and bottom are fitted closely, and the power transmission between the inside and outside ballast aggregate can not be subjected to the influence of grid.Tough performance makes the bag shape device 2 that is embedded in railway roadbed 5 structures can produce certain change of shape leeway between ballast, guarantee that this bag shape device 2 is closely connected fully with the ballast of railway roadbed 5, guaranteed that also bag shape device 2 inside and outside ballasts have contact preferably, can not influence original performance of railway roadbed 5.
Use aforementioned stable ballasts in railway ballast bed device to be used for the antihunt means of stable roadbed, these antihunt means comprise following step:
Step is 1.: sleeper 1 is put into the bag shape device 2 that has mesh;
Step is 2.: place ballast aggregate 3 in bag shape device 2, fill the gap of sleeper 1 and bag shape device 2, the space is enriched;
Step is 3.: lay one deck ballast 4 on the track structure circuit that will lay bag shape device 2; The bag shape device 2 that requires sleeper 1 will be housed, fill ballast aggregate 3 according to circuit is laid on the railway roadbed 5 of pre-laying;
Step is 4.: fill and lead up gap between bag shape device 2 and the railway roadbed 5 with ballast aggregate 4, form complete ballast bed structure;
Step is 5.: on sleeper successively steel rail laying 6, adjust track geometry, have and can improve railway roadbed ballast stability track structure device and lay and finish.
The sleeper of the foregoing description middle orbit structure, rail and railway roadbed material are the railway universal component.Because the effect of bag shape device 2, ballast 3 its displacement in vibration in following bag of train loading has been subjected to the restriction of bag shape device 2, can not cross a bag shape device 2 and enter ballast aggregate 4, improve ballast aggregate 3 from the mesh of bag shape device 2, to shift out and cause sleeper 1 to sink, reached the purpose of stable roadbed.
Owing to stoped the ballast aggregate 3 in the bag shape device 2 outside bag, to move, pass through cavernous structure, make ballast aggregate 3 and outer ballast aggregate 4 closely connected contacts of bag in the bag, interaction force is also effectively transmitted, therefore the stressed of whole ballast bed structure can not be changed yet, and functions such as original railway roadbed elasticity can not be changed or be affected yet.
Claims (6)
1. the device of a stabilizing ballasts in railway ballast bed, it is characterized in that: the bag shape device that in sleeper bottom and railway roadbed all around thereof, is provided with mesh, the built-in sleeper of bag shape device, fill with ballast aggregate in gap between sleeper and bag shape device, bag shape device and the railway roadbed, and the size of mesh is not more than the particle diameter of ballast aggregate.
2. by the device of the described stabilizing ballasts in railway ballast bed of claim 1, it is characterized in that:
The described bag shape device that has mesh is an opening, all the other sealings.
3. by the device of claim 1 or 2 described stabilizing ballasts in railway ballast bed, it is characterized in that:
The described end face that has the bag shape device of mesh is an opening surface, and the width of opening surface is a bit larger tham the width of sleeper.
4. by the device of the described stabilizing ballasts in railway ballast bed of claim 3, it is characterized in that:
The side of the described bag shape device that has a mesh and the ultimate range of sleeper are not more than 10cm.
5. by the device of the described stabilizing ballasts in railway ballast bed of claim 1, it is characterized in that:
The described wire rod that has the bag shape device of mesh is metal or macromolecular material.
6. antihunt means with the stable roadbed of the device of stabilizing ballasts in railway ballast bed as claimed in claim 1, it is characterized in that: these antihunt means comprise following step:
Step is 1.: sleeper is put into the bag shape device that has mesh;
Step is 2.: place ballast aggregate in bag shape device, be used to fill the gap between sleeper and bag shape device;
Step is 3.: a bag shape device that requires sleeper will be housed, fill ballast aggregate according to circuit is laid on the railway roadbed of pre-laying;
Step is 4.: fill and lead up gap between bag shape device and the railway roadbed with ballast aggregate, form complete ballast bed structure;
Step is 5.: on sleeper successively steel rail laying, adjust track geometry, finish the laying of track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010124979.5A CN101798784B (en) | 2010-03-15 | 2010-03-15 | The devices and methods therefor of stabilizing ballasts in railway ballast bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010124979.5A CN101798784B (en) | 2010-03-15 | 2010-03-15 | The devices and methods therefor of stabilizing ballasts in railway ballast bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798784A true CN101798784A (en) | 2010-08-11 |
| CN101798784B CN101798784B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010124979.5A Expired - Fee Related CN101798784B (en) | 2010-03-15 | 2010-03-15 | The devices and methods therefor of stabilizing ballasts in railway ballast bed |
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| Country | Link |
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| CN (1) | CN101798784B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436493A (en) * | 2016-10-24 | 2017-02-22 | 北京交通大学 | Ballast flying preventing device for ballasted high-speed railway |
| CN108603345A (en) * | 2016-01-26 | 2018-09-28 | 普拉塞-陶伊尔铁路机械出口股份有限公司 | The method of ballast body for being compacted track and make unit firm by ramming |
| CN114481716A (en) * | 2022-01-28 | 2022-05-13 | 中铁二十局集团第四工程有限公司 | Subway bed and construction method thereof |
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| DE19833520A1 (en) * | 1998-07-25 | 2000-01-27 | Weiss Gmbh & Co Leonhard | Process for laying railway track grate comprises placing grate on ballast track formation, filling with ballast, and shaking |
| CN1269856A (en) * | 1997-09-26 | 2000-10-11 | 凤凰股份有限公司 | Rail system |
| JP2001059201A (en) * | 1999-08-23 | 2001-03-06 | Central Japan Railway Co | Ballast and ballast track bed |
| CN2429549Y (en) * | 2000-06-30 | 2001-05-09 | 魏国有 | Twin-wing style prestressed reinforced concrete sleeper |
| JP2002081002A (en) * | 2000-09-07 | 2002-03-22 | Toa Doro Kogyo Co Ltd | Ballasted track |
| CN201713733U (en) * | 2010-03-15 | 2011-01-19 | 上海铁院轨道交通科技有限公司 | Device for stabilizing railway ballast bed ballast |
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2010
- 2010-03-15 CN CN201010124979.5A patent/CN101798784B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1269856A (en) * | 1997-09-26 | 2000-10-11 | 凤凰股份有限公司 | Rail system |
| DE19833520A1 (en) * | 1998-07-25 | 2000-01-27 | Weiss Gmbh & Co Leonhard | Process for laying railway track grate comprises placing grate on ballast track formation, filling with ballast, and shaking |
| JP2001059201A (en) * | 1999-08-23 | 2001-03-06 | Central Japan Railway Co | Ballast and ballast track bed |
| CN2429549Y (en) * | 2000-06-30 | 2001-05-09 | 魏国有 | Twin-wing style prestressed reinforced concrete sleeper |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603345A (en) * | 2016-01-26 | 2018-09-28 | 普拉塞-陶伊尔铁路机械出口股份有限公司 | The method of ballast body for being compacted track and make unit firm by ramming |
| US10914040B2 (en) | 2016-01-26 | 2021-02-09 | Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. | Method for compacting the ballast bed of a track, and tamping unit |
| CN108603345B (en) * | 2016-01-26 | 2021-02-26 | 普拉塞-陶伊尔铁路机械出口股份有限公司 | Method for compacting ballast bed of track and tamping unit |
| CN106436493A (en) * | 2016-10-24 | 2017-02-22 | 北京交通大学 | Ballast flying preventing device for ballasted high-speed railway |
| CN114481716A (en) * | 2022-01-28 | 2022-05-13 | 中铁二十局集团第四工程有限公司 | Subway bed and construction method thereof |
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| Publication number | Publication date |
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| CN101798784B (en) | 2015-07-29 |
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