CN109468892A - A kind of track structure and its laying method - Google Patents
A kind of track structure and its laying method Download PDFInfo
- Publication number
- CN109468892A CN109468892A CN201811368965.0A CN201811368965A CN109468892A CN 109468892 A CN109468892 A CN 109468892A CN 201811368965 A CN201811368965 A CN 201811368965A CN 109468892 A CN109468892 A CN 109468892A
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- China
- Prior art keywords
- ballast
- layer
- track
- track plates
- railway
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a kind of track structure and its laying methods, comprising: track plates, rest pad, elastic layer, ballast layer and basal layer;It is equipped with the ballast bed of spill in the middle part of the basal layer, is laid with ballast layer in ballast bed;For the track slab pavement in ballast layer, loaded area of the track plates for increase reduces the active force to railway ballast;Rest pad is arranged in track plates upper surface, a set of fastener system is designed on rest pad, fastener system is for installing trapped orbit;Track plates lower surface is designed with elastic layer.The present invention has the advantages that improving track structure globality and bearing capacity, the active force to railway ballast is reduced, protection railway ballast will not hurt;Enhancing adapts to the ability of heavy haul transport, and maintenance cost is lower, more efficient;Ballast layer compactness and globality are improved, railway ballast is protected, reinforces railway roadbed globality, realizes that high accuracy positioning adjusts demand.
Description
Technical field
It is the present invention relates to railroad track technical field, in particular to a kind of to have the advantages that have the tiny fragments of stone, coal, etc., without two kinds of track structures of the tiny fragments of stone, coal, etc.
Track structure and its laying method.
Background technique
There are mainly two types of current existing track structures: one is Ballast tracks, and one is non-fragment orbits.
Ballast track refers to that sub-rail foundation is the track of stone matter shot railway roadbed, and also commonly referred to as ballast bed track, is rail
One of the principal mode of road structure.It has many advantages, such as that elasticity is good, cheap, replacement and repair is convenient, noise reduction performance is good.
The shortcomings that Ballast track is that granular media railway roadbed stability is poor, is easy to happen track geometry variation;Sleeper bottom faces
Product is smaller so stress is larger, and railway ballast is easily broken.Therefore Ballast track needs regular maintenance, replacement, especially inadaptable
Application demand in major long tunnel location.
Non-fragment orbit refers to the track knot for replacing shot ballast bed using mass-type foundations such as concrete, asphalts
Structure, also referred to as ballastless track are the advanced railway technologies in the world today.Non-fragment orbit compared with Ballast track, keep away by non-fragment orbit
Splashing railway ballast is exempted from, ride comfort is good, and stability is good, long service life, and durability is good, and maintenance work is few.
The shortcomings that non-fragment orbit be concrete do not have quickly repair and adjustment capability, once infrastructure changes,
Structure would become hard to adapt to.
Summary of the invention
The present invention in view of the drawbacks of the prior art, provides a kind of track structure and its laying method, can effectively solve
The above-mentioned problems of the prior art.
In order to realize the above goal of the invention, the technical solution adopted by the present invention is as follows:
A kind of track structure, comprising: several pieces of track plates 1, several pieces of rest pads 2, elastic layer 3, ballast layer 4 and basal layer
5;
It is equipped with the ballast bed of spill in the middle part of the basal layer 5, is laid with ballast layer 4 in ballast bed;The basal layer 5 is in situ
It digs out and to be formed or concrete prefabricated formation.
1 shape of track plates is cuboid, and track plates 1 are laid with route by rail and are laid in ballast layer 4, track plates 1
There is gap between track plates 1;Loaded area of the track plates 1 for increase, reduces the active force to railway ballast;
Rest pad 2 is arranged in 1 upper surface of track plates, and 2 quantity of rest pad is even numbers;Rest pad 2 arranges formation on track plates 1
Two rows of tracks, two rows of tracks are parallel to each other, and a set of fastener system, the button on row's rest pad 2 are designed on each rest pad 2
Part system fixes a track for installing;
Each piece of 1 lower surface of track plates is designed with elastic layer 3, and the effect of elastic layer 3 is to improve Track Stiffness, reduces punching
Hurt of the effect of hitting to ballast layer 4.
Preferably, 1 3-6 long meter of the track plates, 2-3.5 meters wide, it is 0.15-0.5 meters high;
Preferably, the spacing between the track plates 1 and adjacent orbit plate 1 is 10mm-40mm;
Preferably, 4 material of ballast layer is rubble
Preferably, 4 material of ballast layer is rubble and foamed material.
Preferably, 4 material of ballast layer is rubble and adhesive material.
Preferably, 1 two sides of the track plates filling railway ballast body limit, prevents 1 transverse shifting of track plates, the railway ballast body
The one of which of railway ballast body, cementing railway ballast body, concrete block is filled for pure rubble railway ballast, foamed material.
The invention also discloses the construction methods based on above-mentioned track structure, comprising the following steps:
Step 1, the elastic layer 3 under track plates 1 and track plates 1 is made;
Step 2, it is laid with basal layer 5;
Step 3, ballast layer 4 is laid in basal layer 5;
Step 4, track plates 1 are laid in ballast layer 4;
Step 5, vibrator A6, a vibrator A6 vibrating the track plate 1, since railway ballast is coarse positioning: are placed on track plates 1
Mitochondrial structure will gradually shake in specific frequency lower rail guidance tape and take part in Taoism in ballast bed, and realize preliminary location and installation;It checks whether
Positioning is completed, 6 are entered step if completing, if not completing to continue to position;
Step 6, fine positioning: by vibrator B7 inserted in ballast layer 4, by small-scale vibration ballast layer 4, rail is realized
Guidance tape it is accurate adjustment, positioning and reinforcing plate under railway ballast compaction rate, check whether completion positioning, if complete if terminate, if not having
There is completion then to continue to position.
Step 7, after completing fine positioning step, foamed material or adhesive material are injected in ballast layer 4.
Compared with prior art the present invention has the advantages that
1) track structure globality and bearing capacity are improved, reduces the active force to railway ballast, protection railway ballast will not hurt;
2) it can be mounted directly fastener system on plate, elastic bearing block structure can also be embedded in again, enhancing adapts to heavy duty fortune
Defeated ability;
3) elastic layer is added, Track Stiffness is improved, further decreases the hurt to lower part railway ballast;
4) when lower part, basal layer deforms (such as earthquake, the geology zone of fracture deformation, sedimentation), can by supplement and
Adjustment ballast layer achievees the purpose that maintenance, and maintenance cost is lower, more efficient;
5) ballast layer is filled, improves ballast layer compactness and globality, protect railway ballast, reinforce railway roadbed globality,
It realizes that high accuracy positioning adjusts demand, forcible entry, reconstruct ballast layer can be facilitated when necessary, meet maintenance needs;It is whole to reinforce railway roadbed
Property, enhance ballast layer bearing capacity, protect railway ballast, realizes that high accuracy positioning adjusts demand.
Figure of description
Fig. 1 is the structural schematic diagram of track structure of the present invention;
Fig. 2 is that track structure of the present invention is laid with schematic diagram;
Fig. 3 is track structure laying method flow chart of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and embodiment is enumerated,
The present invention is described in further details.
Embodiment 1
As shown in Figure 1, a kind of track structure, comprising: several pieces of track plates 1, several pieces of rest pads 2, elastic layer 3, railway ballast
Layer 4, basal layer 5;
The basal layer 5 is equipped with the ballast bed of spill, is laid with ballast layer 4 in ballast bed;4 material of ballast layer is rubble;
The basal layer 5 can dig out basal layer 5 under roadbed condition good situations with direct in-situ;It can not directly dig
In the case where pick, concrete prefabricated basal layer 5 can be used and be put into together with drainage system.
1 shape of track plates is cuboid, and cuboid is 3-6 meters long, 2-3.5 meters wide, 0.15-0.5 meters high;Track plates 1
It is laid with route by rail to be laid in ballast layer 4, with the gap of 10mm-40mm between track plates 1 and track plates 1;Track plates 1
For the loaded area of increase, the active force to railway ballast is reduced;
Rest pad 2 is arranged in 1 upper surface of track plates, and 2 quantity of rest pad is even numbers, and visual concrete condition changes same track plates
Arrangement quantity on 1;Rest pad 2 arranges the two rows of tracks of formation on track plates 1, and two rows of tracks are parallel to each other, each bearing
A set of fastener system is designed on block 2, the fastener system on row's rest pad 2 fixes a track for installing;
Each piece of 1 lower surface of track plates is designed with elastic layer 3 (such as rubber pad), and the effect of elastic layer 3 is to improve track structure
Elasticity reduces percussion to the hurt of ballast layer 4.
As shown in Figure 2,3, the construction method based on above-mentioned track structure, comprising the following steps:
Step 1, the elastic layer 3 under track plates 1 and track plates 1 is made;
Step 2, it is laid with basal layer 5;
Step 3, ballast layer 4 is laid in basal layer 5;
Step 4, track plates 1 are laid in ballast layer 4;
Step 5, vibrator A6, a vibrator A6 vibrating the track plate 1, since railway ballast is coarse positioning: are placed on track plates 1
Mitochondrial structure will gradually shake in specific frequency lower rail guidance tape and take part in Taoism in ballast bed, and realize preliminary location and installation;It checks whether
Positioning is completed, 6 are entered step if completing, if not completing to continue to position;
Step 6, fine positioning: by vibrator B7 (such as vibrating spear) inserted in ballast layer 4, pass through small-scale vibration railway ballast
Layer 4 realizes railway ballast compaction rate under accurate adjustment, positioning and the reinforcing plate of track plates, checks whether completion positioning, if completing
Then terminate, continues to position if not completing.
Embodiment 2
The present embodiment is described just for the difference in embodiment 1, and something in common no longer illustrates.
4 material of ballast layer is rubble and foamed material (such as foamed concrete), and foamed material tamps between gravel particle
Gap, improve ballast layer compactness;The movement and rotation of railway ballast are limited, 4 globality of ballast layer is improved;Respectively railway ballast stress,
Protect railway ballast;It can realize that high accuracy positioning adjusts demand using the filling of filler, hardening process;It is low strong using foamed material
Characteristic is spent, forcible entry, reconstruct ballast layer can be facilitated when necessary, meet maintenance needs.
After completing fine positioning step, foamed material is injected in ballast layer 4.
Embodiment 3
The present embodiment is described just for the difference in embodiment 1,2, and something in common no longer illustrates.
4 material of ballast layer is rubble and adhesive material (such as ballast glue, pitch), and adhesive material effect is that adhesion is broken
Stone reinforces railway roadbed globality, enhances ballast layer bearing capacity, protects railway ballast, realizes that high accuracy positioning adjusts demand.
After completing fine positioning step, adhesive material is injected in ballast layer 4.
Embodiment 4
The present embodiment is described just for the difference in embodiment 1,2 and 3, and something in common no longer illustrates.
1 two sides of track plates can insert the limit of railway ballast body, prevent 1 transverse shifting of track plates, the railway ballast body can be pure
Rubble railway ballast, foamed material filling railway ballast body, cementing railway ballast body, concrete block etc..
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright implementation method, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.Ability
The those of ordinary skill in domain disclosed the technical disclosures can make its various for not departing from essence of the invention according to the present invention
Its various specific variations and combinations, these variations and combinations are still within the scope of the present invention.
Claims (8)
1. a kind of track structure characterized by comprising several pieces of track plates (1), several pieces of rest pads (2), elastic layer (3),
Ballast layer (4) and basal layer (5);
It is equipped with the ballast bed of spill in the middle part of the basal layer (5), is laid with ballast layer (4) in ballast bed;The basal layer (5) is original
Position, which is dug out, to be formed or concrete prefabricated formation;
Track plates (1) shape is cuboid, and track plates (1) are laid with route by rail and are laid on ballast layer (4), track plates
(1) there is gap between track plates (1);Loaded area of the track plates (1) for increase, reduces the active force to railway ballast;
Rest pad (2) are arranged in track plates (1) upper surface, and rest pad (2) quantity is even numbers;Rest pad (2) is arranged on track plates (1)
Column form two rows of tracks, and two rows of tracks are parallel to each other, and a set of fastener system, row bearing are designed on each rest pad (2)
Fastener system on block (2) fixes a track for installing;
Each piece of track plates (1) lower surface is designed with elastic layer (3), and elastic layer (3) effect is to improve Track Stiffness, is reduced
Hurt of the percussion to ballast layer (4).
2. a kind of track structure according to claim 1, it is characterised in that: ballast layer (4) material is rubble.
3. a kind of track structure according to claim 2, it is characterised in that: ballast layer (4) material further includes foaming
Material.
4. a kind of track structure according to claim 2, it is characterised in that: ballast layer (4) material further includes gluing
Material.
5. a kind of track structure according to claim 1, it is characterised in that: railway ballast body is inserted in track plates (1) two sides
Limit, prevents track plates (1) transverse shifting, and the railway ballast body is pure rubble railway ballast, foamed material filling railway ballast body, cementing railway ballast
The one of which of body, concrete block.
6. a kind of track structure according to claim 1, it is characterised in that: the track plates (1) are 3-6 meters long, wide 2-3.5
Rice is 0.15-0.5 meters high.
7. a kind of track structure according to claim 2, it is characterised in that: the track plates (1) and adjacent orbit plate 1 it
Between spacing be 10mm-40mm.
8. a kind of construction method of track structure according to claim 3 or 4, which comprises the following steps:
Step 1, the elastic layer (3) under track plates (1) and track plates (1) is made;
Step 2, basal layer (5) are laid with;
Step 3, ballast layer (4) are laid in basal layer (5);
Step 4, track plates (1) is laid in ballast layer (4);
Step 5, coarse positioning: vibrator A (6) are placed on track plates (1), vibrator A (6) vibrating the track plate (1), due to railway ballast
For granule structure, it will gradually shake and be taken part in Taoism in ballast bed in specific frequency lower rail guidance tape, and realize preliminary location and installation;It checks
Whether completion positions, and (6) is entered step if completing, if not completing to continue to position;
Step 6, it fine positioning: by vibrator B (7) inserted in ballast layer (4), by small-scale vibration ballast layer (4), realizes
Track plates it is accurate adjustment, positioning and reinforcing plate under railway ballast compaction rate, check whether completion positioning, if complete if terminate, if
It does not complete, continues to position;
Step 7, after completing fine positioning step, injection foamed material or adhesive material in ballast layer (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811368965.0A CN109468892A (en) | 2018-11-16 | 2018-11-16 | A kind of track structure and its laying method |
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CN201811368965.0A CN109468892A (en) | 2018-11-16 | 2018-11-16 | A kind of track structure and its laying method |
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Publication Number | Publication Date |
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CN109468892A true CN109468892A (en) | 2019-03-15 |
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ID=65673666
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CN201811368965.0A Pending CN109468892A (en) | 2018-11-16 | 2018-11-16 | A kind of track structure and its laying method |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2740842A1 (en) * | 2012-12-07 | 2014-06-11 | Sonneville AG | Method for converting a gravel track into a solid track |
CN206204764U (en) * | 2016-11-09 | 2017-05-31 | 北京交通大学 | There is the anti-fluidisation lightweight construction of ballast bed in a kind of High-speed Railway Bridges |
CN206298785U (en) * | 2016-11-21 | 2017-07-04 | 乌鲁木齐城市轨道集团有限公司 | A kind of board-like binding type Ballast track of pillow wide |
CN107522429A (en) * | 2017-08-18 | 2017-12-29 | 北京交通大学 | A kind of prefabricated railway ballast pitch track and preparation method thereof |
-
2018
- 2018-11-16 CN CN201811368965.0A patent/CN109468892A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2740842A1 (en) * | 2012-12-07 | 2014-06-11 | Sonneville AG | Method for converting a gravel track into a solid track |
CN206204764U (en) * | 2016-11-09 | 2017-05-31 | 北京交通大学 | There is the anti-fluidisation lightweight construction of ballast bed in a kind of High-speed Railway Bridges |
CN206298785U (en) * | 2016-11-21 | 2017-07-04 | 乌鲁木齐城市轨道集团有限公司 | A kind of board-like binding type Ballast track of pillow wide |
CN107522429A (en) * | 2017-08-18 | 2017-12-29 | 北京交通大学 | A kind of prefabricated railway ballast pitch track and preparation method thereof |
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Application publication date: 20190315 |