CN107034742A - A kind of prefabricated plate rail structure applied to circular tunnel - Google Patents
A kind of prefabricated plate rail structure applied to circular tunnel Download PDFInfo
- Publication number
- CN107034742A CN107034742A CN201710294974.9A CN201710294974A CN107034742A CN 107034742 A CN107034742 A CN 107034742A CN 201710294974 A CN201710294974 A CN 201710294974A CN 107034742 A CN107034742 A CN 107034742A
- Authority
- CN
- China
- Prior art keywords
- track plates
- circular tunnel
- pedestal
- adjustment layer
- prefabricated plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000004746 geotextile Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A kind of prefabricated plate rail structure applied to circular tunnel, including pedestal, geotextiles and the track plates set gradually from bottom to top；The adjustment layer for the foozle for being used to eliminate pedestal and track plates is provided between the geotextiles and track plates；The bottom of the track plates, which is provided with connection position, the adjustment layer, is provided with bar-mat reinforcement, and the connection position is fixedly connected with the bar-mat reinforcement；The both sides of the track plates are provided with gutter, and the gutter is surrounded by the side wall of the side wall, the top surface of adjustment layer and circular tunnel of track plates；The track plates are provided with two parallel rail.The adjustment layer and pedestal of the present invention is isolated by geotextiles to be set, it is easy to the maintenance and maintenance in pedestal later stage, simultaneously, gutter is surrounded by the side wall of the side wall, the top surface of adjustment layer and circular tunnel of track plates, add the area of section in gutter, improve drainage efficiency, current not with base into contact, the risk of pedestal infiltration is reduced, the service life of pedestal is improved.
Description
Technical field
The invention belongs to track traffic construction field, and in particular to a kind of prefabricated board track knot applied to circular tunnel
Structure.
Background technology
Precast track plate has greater advantage relative to traditional cast-in-place track plates, and its speed of application is fast, quality is high, to environment
Close friend, and maintenanceability is good, is particularly suitable for use in subterranean tunnel field of track traffic.
At present, pre-track plate technique is more uses in track traffic above-ground route or overhead route, the circle of underground 5.4m internal diameters
Tunnel is due to by gauge is nervous, draining sets difficult, track plates structural integrity poor, the problems such as late maintaining maintenance difficult
Perplex, always non-large-scale promotion pre-track plate technique.For example it is entitled " a kind of Prefabricated slab type vibration damping track system and
Matching operation method ", the patent application document of Application No. " 201610013534.7 ", its gutter be poured by packed layer and
Into, it is in irregular shape which results in packed layer, add and pour difficulty, meanwhile, the cross-sectional area in gutter is also reduced, is reduced
Drainage efficiency, water is directly contacted with packed layer, can also influence the service life of packed layer.For this reason, it may be necessary to develop a kind of new
Prefabricated plate rail structure meets the demand of underground circular tunnel track traffic.
The content of the invention
In order to overcome above-mentioned technological deficiency, the invention provides a kind of prefabricated plate rail structure applied to circular tunnel,
Its draining convenience and easy access and maintenance.
In order to solve the above problems, the present invention is achieved by following technical scheme：
The invention provides a kind of prefabricated plate rail structure applied to circular tunnel, including set gradually from bottom to top
Pedestal, geotextiles and track plates；The foozle for being used for eliminating pedestal and track plates is provided between the geotextiles and track plates
Adjustment layer；The bottom of the track plates, which is provided with connection position, the adjustment layer, is provided with bar-mat reinforcement, the connection position and the steel
Muscle net is fixedly connected；The both sides of the track plates are provided with gutter, and the gutter is by the side wall of track plates, the top surface of adjustment layer
Surrounded with the side wall of circular tunnel；The track plates are fixed on institute provided with two parallel rail, the rail by fastener
State on track plates.
Further, the top of the pedestal is planar structure.
Further, the adjustment layer is slab construction, and the both sides of the adjustment layer are pasted with the inwall of circular tunnel respectively
Close.
Further, the junction of the inwall of the adjustment layer and circular tunnel and the adjustment layer and track plates is interior
The equal coated with waterproof material in junction of wall.
Further, the waterproof material is II type polyurethanes.
Further, the pedestal is provided with some positive stop lug boss, and the positive stop lug boss is located between adjacent track plates.
Further, the positive stop lug boss is square column.
Further, elastic layer is provided between the positive stop lug boss and track plates.
Further, the track plates are provided with some plug holes for being used to irrigate adjustment layer.
A kind of construction method of prefabricated plate rail structure applied to circular tunnel, comprises the following steps：
S1：Rail is fixed on track plates top, bar-mat reinforcement is fixed on to the connection position of track plates bottom；
S2：Tie up the steel reinforcement cage of pedestal and positive stop lug boss and pour pedestal and positive stop lug boss；
S3：Geotextiles are laid on pedestal；
S4：By track slab pavement above geotextiles, and with geotextiles keep about 100mm gap；
S5：The position of accurate adjustment track plates, the concrete perfusion in gap forms adjustment layer；
S6：The filling polyurethane between positive stop lug boss and track plates, forms elastic layer；
S7：In the connection of the inwall of the junction and the adjustment layer and track plates of adjustment layer and the inwall of circular tunnel
Locate brushing waterproof material.
A kind of prefabricated plate rail structure applied to circular tunnel that the present invention is provided, its adjustment layer and pedestal pass through geotechnique
Cloth isolation set, be easy to the maintenance and maintenance in pedestal later stage, meanwhile, gutter by the side wall of track plates, the top surface of adjustment layer and
The side wall of circular tunnel is surrounded, and considerably increases the area of section in gutter, improves drainage efficiency, and current do not connect with pedestal
Touch, reduce the risk of pedestal infiltration, improve the service life of pedestal.
Brief description of the drawings
This illustrates provided picture and is used for aiding in a further understanding of the present invention, constitutes one of the application
Point, inappropriate limitation of the present invention is not constituted, in the accompanying drawings：
Fig. 1 is a kind of structural representation of prefabricated plate rail structure applied to circular tunnel described in the embodiment of the present invention 1；
Fig. 2 is Fig. 1 top view；
Fig. 3 is a kind of structural representation of prefabricated plate rail structure applied to circular tunnel described in the embodiment of the present invention 2.
Embodiment
Embodiment 1
A kind of prefabricated plate rail structure applied to circular tunnel, it includes pedestal 1, the geotechnique set gradually from bottom to top
Cloth 2 and track plates 4.Geotextiles 2 and the adjustment layer 3 of track plates 4, when the relative position of pedestal 1, geotextiles 2 and track plates 4 is determined
Afterwards, casting concrete formation adjustment layer 3, the foozle for eliminating pedestal and track plates.Geotextiles 2 are used to isolate pedestal 1
With adjustment layer 3, facilitate adjustment layer 3 to depart from pedestal 1, when quality problems occurs in pedestal 1, sling adjustment layer 3, be easy to pedestal 1
Maintenance.Connection position 41 is provided with the bottom of track plates 4, connection position 41 is fixedly connected with bar-mat reinforcement 42, and bar-mat reinforcement 42 is located at tune
In flood 3 so that track plates and the secure bond of adjustment layer 3.The both sides of track plates 4 are provided with gutter 5, and gutter 5 is by track plates 4
Side wall, the side wall of the top surface of adjustment layer 3 and circular tunnel 8 surround, compared to prior art, the area of section in the gutter 5
Greatly increase, improve the efficiency of draining, meanwhile, current are not contacted with pedestal 1, are reduced the risk of the infiltration of pedestal 1, are improved
The life-span of pedestal 1.Provided with two parallel rail 6 on track plates 4, rail 6 is fixed on track plates 4 by fastener 7.
Preferably, the top of pedestal 1 is planar structure, adjustment layer 3 is slab construction, therefore pedestal 1 and adjustment layer 3 are poured
Build and more facilitate, reduce difficulty of construction, improve speed of application.Meanwhile, the both sides of adjustment layer 3 respectively with circular tunnel 8
Inwall is fitted, in the junction and adjustment layer 3 and the junction of the inwall of track plates 4 of adjustment layer 3 and the inwall of circular tunnel 8
Equal coated with waterproof material 31, it is preferable that waterproof material 31 selects II type polyurethanes.When train passes through, the prefabricated board track knot
Structure stress can be vibrated, and II type polyurethanes are flexible, will not be broken, it is ensured that in adjustment layer 3 and circular tunnel
The junction of the inwall in road 8 and adjustment layer 3 are closed with the junction of the inwall of track plates 4, prevent the ponding in gutter 5
Penetrate into pedestal 1.
Preferably, some positive stop lug boss 11 are provided with pedestal 1, positive stop lug boss 11 is located between adjacent track plates 4.One
Individual positive stop lug boss 11 can limit the position of two pieces of track plates 4 simultaneously, reduce the quantity of positive stop lug boss 11, improve its spacing effect
Rate.Pedestal 1 and positive stop lug boss 11 are being poured while pouring, positive stop lug boss 11 is designed as square column, can more efficiently resist
Cross force and longitudinal force that track plates are subject in the horizontal direction.Meanwhile, provided with flexible between positive stop lug boss 11 and track plates 4
Layer 12.Because the making of track plates 4 is present in certain error, work progress, there is also certain error, therefore, positive stop lug boss 11
There can be gap between track plates 4, the gap is filling elastic material formation elastic layer 12, meanwhile, in the stress of track plates 4
When, elastic layer 12 can also play cushioning effect, prevent track plates 4 and positive stop lug boss 11 from occurring rigid impact, prevent from damaging rail
Guidance tape 4 and positive stop lug boss 11.Preferably, the material of elastic layer 12 uses polyurethane.
Preferably, some plug holes 41 are provided with track plates 4, plug hole 41 is used to irrigate self-compacting concrete, is formed and adjusted
Flood 3.During pedestal 1 is constructed, due to construction error, the plane out-of-flatness on the top of pedestal 1 can be caused, therefore, in peace
When filling track plates 4, track plates 4 can be placed in top 100mm of pedestal 1 or so, now be irrigated between pedestal 1 and track plates 4 from close
Real concrete, error when adjustment pedestal 1 is constructed, it is ensured that track plates 4 are arranged on accurate position.
Embodiment 2
Implementation 2 and the difference of embodiment 1 are：The top for implementing pedestal 1 in 1 is horizontal planar structure, the knot
Structure is applied to straight tunnel；The top of pedestal 1 is inclined planar structure in embodiment 2, and the structure is applied to curved tunnel, its
In, the inclination angle of the planar structure on the top of pedestal 1 depends on the curvature of curved tunnel and the design speed per hour of train.
A kind of construction method of prefabricated plate rail structure applied to circular tunnel of the present invention, including following step
Suddenly：
S1：Rail 6 is fixed on the top of track plates 4, bar-mat reinforcement 42 is fixed on to the connection position 41 of the bottom of track plates 4；
S2：Tie up the steel reinforcement cage of pedestal 1 and positive stop lug boss 11 and pour pedestal 1 and positive stop lug boss 11；
S3：Geotextiles 2 are laid on pedestal 1；
S4：Track plates 4 are laid on the top of geotextiles 2, and keep with geotextiles 2 about 100mm gap；
S5：The position of accurate adjustment track plates 4, the concrete perfusion in gap forms adjustment layer 3；
S6：The filling polyurethane between positive stop lug boss 11 and track plates 4, forms elastic layer 12；
S7：In the junction and adjustment layer 3 of adjustment layer 3 and the inwall of circular tunnel and the connection of the inwall of track plates 4
Locate brushing waterproof material 31.
The present invention pours pedestal 1 before track plates 4 are transported into tunnel, and the top surface of pedestal 1 is plane, regular shape, both
Pouring for pedestal 1 is facilitated, the instrument for being also convenient for transport rail guidance tape 4 is moved and operated in tunnel and accurate adjustment track plates 4
Position.
On be described in detail the present invention preferred embodiment, it will be appreciated that the ordinary skill of this area without create
Property work just can according to the present invention design make many modifications and variations.Therefore, all technical staff in the art according to
Present inventive concept is in prior art basis by logic analysis, reasoning or according to the limited available technical side of experiment
Case, should be among the protection domain determined by the claims.
Claims (10)
1. a kind of prefabricated plate rail structure applied to circular tunnel, it is characterised in that：
Including the pedestal set gradually from bottom to top, geotextiles and track plates；
The adjustment layer for the foozle for being used to eliminate pedestal and track plates is provided between the geotextiles and track plates；
The bottom of the track plates, which is provided with connection position, the adjustment layer, is provided with bar-mat reinforcement, the connection position and the bar-mat reinforcement
It is fixedly connected；
The both sides of the track plates are provided with gutter, and the gutter is by the side wall of track plates, the top surface of adjustment layer and circular tunnel
The side wall in road is surrounded；
The track plates are fixed on the track plates provided with two parallel rail, the rail by fastener.
2. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 1, it is characterised in that：The base
The top of seat is planar structure.
3. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 2, it is characterised in that：It is described to adjust
Flood is slab construction, and the both sides of the adjustment layer are fitted with the inwall of circular tunnel respectively.
4. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 3, it is characterised in that：It is described to adjust
The junction of the inwall of the junction of the inwall of flood and circular tunnel and the adjustment layer and track plates scribbles waterproof material
Material.
5. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 4, it is characterised in that：It is described anti-
Water material is II type polyurethanes.
6. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 1, it is characterised in that：The base
Seat is provided with some positive stop lug boss, and the positive stop lug boss is located between adjacent track plates.
7. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 6, it is characterised in that：The limit
Position boss is square column.
8. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 6, it is characterised in that：The limit
Elastic layer is provided between position boss and track plates.
9. a kind of prefabricated plate rail structure applied to circular tunnel according to claim 3, it is characterised in that：The rail
Guidance tape is provided with some plug holes for being used to irrigate adjustment layer.
10. a kind of construction method of prefabricated plate rail structure applied to circular tunnel, comprises the following steps：
S1：Rail is fixed on track plates top, bar-mat reinforcement is fixed on to the connection position of track plates bottom；
S2：Tie up the steel reinforcement cage of pedestal and positive stop lug boss and pour pedestal and positive stop lug boss；
S3：Geotextiles are laid on pedestal；
S4：By track slab pavement above geotextiles, and with geotextiles keep about 100mm gap；
S5：The position of accurate adjustment track plates, the concrete perfusion in gap forms adjustment layer；
S6：The filling polyurethane between positive stop lug boss and track plates, forms elastic layer；
S7：Applied in the junction of the inwall of the junction and the adjustment layer and track plates of adjustment layer and the inwall of circular tunnel
Brush waterproof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294974.9A CN107034742B (en) | 2017-04-28 | 2017-04-28 | Precast slab track structure applied to circular tunnel and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294974.9A CN107034742B (en) | 2017-04-28 | 2017-04-28 | Precast slab track structure applied to circular tunnel and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107034742A true CN107034742A (en) | 2017-08-11 |
| CN107034742B CN107034742B (en) | 2023-11-24 |
Family
ID=59537943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294974.9A Active CN107034742B (en) | 2017-04-28 | 2017-04-28 | Precast slab track structure applied to circular tunnel and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107034742B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453541A (en) * | 2019-08-16 | 2019-11-15 | 西南交通大学 | A kind of flush type track |
| CN110468628A (en) * | 2019-08-28 | 2019-11-19 | 吴永芳 | A kind of position limiting structure and assembled track for assembled track |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878987A (en) * | 1972-02-10 | 1975-04-22 | Japan National Railway | Railway track structure |
| CN101613453A (en) * | 2009-07-23 | 2009-12-30 | 中国铁道科学研究院金属及化学研究所 | The resin combination that is used for the filling unit plate type ballastless track convex baffling platform |
| CN102250310A (en) * | 2011-06-03 | 2011-11-23 | 黎明化工研究院 | Polyurethane resin composite as well as preparation method and application thereof |
| CN102966008A (en) * | 2011-08-31 | 2013-03-13 | 中国铁道科学研究院铁道建筑研究所 | Ballastless track system |
| CN105200868A (en) * | 2015-09-14 | 2015-12-30 | 中国铁道科学研究院金属及化学研究所 | Novel slab ballastless track structure |
| CN105256669A (en) * | 2015-09-30 | 2016-01-20 | 成都市新筑路桥机械股份有限公司 | Embedded track system used in tunnel |
| CN106120479A (en) * | 2016-08-23 | 2016-11-16 | 吴永芳 | The board-like track structure of a kind of assembling |
| CN207017078U (en) * | 2017-04-28 | 2018-02-16 | 广州地铁设计研究院有限公司 | A kind of prefabricated plate rail structure applied to circular tunnel |
-
2017
- 2017-04-28 CN CN201710294974.9A patent/CN107034742B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878987A (en) * | 1972-02-10 | 1975-04-22 | Japan National Railway | Railway track structure |
| CN101613453A (en) * | 2009-07-23 | 2009-12-30 | 中国铁道科学研究院金属及化学研究所 | The resin combination that is used for the filling unit plate type ballastless track convex baffling platform |
| CN102250310A (en) * | 2011-06-03 | 2011-11-23 | 黎明化工研究院 | Polyurethane resin composite as well as preparation method and application thereof |
| CN102966008A (en) * | 2011-08-31 | 2013-03-13 | 中国铁道科学研究院铁道建筑研究所 | Ballastless track system |
| CN105200868A (en) * | 2015-09-14 | 2015-12-30 | 中国铁道科学研究院金属及化学研究所 | Novel slab ballastless track structure |
| CN105256669A (en) * | 2015-09-30 | 2016-01-20 | 成都市新筑路桥机械股份有限公司 | Embedded track system used in tunnel |
| CN106120479A (en) * | 2016-08-23 | 2016-11-16 | 吴永芳 | The board-like track structure of a kind of assembling |
| CN207017078U (en) * | 2017-04-28 | 2018-02-16 | 广州地铁设计研究院有限公司 | A kind of prefabricated plate rail structure applied to circular tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453541A (en) * | 2019-08-16 | 2019-11-15 | 西南交通大学 | A kind of flush type track |
| CN110468628A (en) * | 2019-08-28 | 2019-11-19 | 吴永芳 | A kind of position limiting structure and assembled track for assembled track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107034742B (en) | 2023-11-24 |
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