CN108396596A - Novel fully-prefabricated assembled track structure for railroad track field tunnel - Google Patents
Novel fully-prefabricated assembled track structure for railroad track field tunnel Download PDFInfo
- Publication number
- CN108396596A CN108396596A CN201810366045.9A CN201810366045A CN108396596A CN 108396596 A CN108396596 A CN 108396596A CN 201810366045 A CN201810366045 A CN 201810366045A CN 108396596 A CN108396596 A CN 108396596A
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- Prior art keywords
- track
- precast assembly
- assembly block
- track plates
- prefabricated assembled
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000011372 high-strength concrete Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 11
- 239000010426 asphalt Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- -1 reinforcing bar Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 210000002435 tendon Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of novel fully-prefabricated assembled track structures for railroad track field tunnel.Fully-prefabricated assembled track structure includes the track plates being laid with from top to bottom, plays die-cushion layer, precast assembly block and adjustment layer, steel rail laying on track plates, adjustment layer is laid on shield duct piece, precast assembly block is layed between adjustment layer and track plates and along steel rail laying, the support of track plates bottom surface is laid on precast assembly block, and the interior sidewall surface bottom of precast assembly block is fixed with high-strength concrete template；It plays die-cushion layer to be arranged between track plates ground and precast assembly block top surface, realizes that power transmission channel is protected and formed in the rigid connection to track plates by playing die-cushion layer.It is prefabricated that the present invention can be achieved batch production, assembled, split convenient, and manufacture is efficient, prefabricated precision is higher, construction speed is substantially improved, adjustment of construct is convenient, ditch setting is with favourable conditions, and convenient for operation phase maintenance and part replacement.
Description
Technical field
The invention belongs to a kind of track structure of non-fragment orbit technical field, and in particular to a kind of to be led for railroad track
The novel fully-prefabricated assembled track structure in domain tunnel.
Background technology
Currently, pre-track structure answers it, " mechanization degree is high, speed of application is fast, tracklaying base setting is more flexible, pre-
Control of product quality processed is good, maintenance is convenient " the features such as the research of track structure from now on one of emphasis direction, and
The important solution technical measures of track structure quality-improving, convenience for construction and maintenance convenience demand.
It is domestic morely successively to be attempted in non-vibration damping location based on the necessity demand of pre-track structure technical system research and development
Slab track structure, frame-type track structure etc. are used, is during which shown：Track structure forms more complex, factory prefabricating
The deficiencies of degree is not high, field conduct difficulty is big, construction speed is slower.For this purpose, a kind of prefabricated degree higher of invention, construction are just
Victory, multistage is adjustable, more easily pre-track structure is very necessary for maintenance.
Invention content
Technical problem solved by the invention is to provide a kind of novel full prefabrication and assembly construction for railroad track field tunnel
Formula track structure.
Present invention is particularly suitable for the circular tunnels of railroad track field, can be so that track plates are adjustably accurately layed in
On the shield duct piece of circular tunnel.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
The fully-prefabricated assembled track structure includes the track plates being laid with from top to bottom, plays die-cushion layer, precast assembly
Block and adjustment layer, steel rail laying on track plates, adjustment layer are laid on shield duct piece, and precast assembly block is layed in adjustment layer and rail
Between guidance tape and along steel rail laying, the support of track plates bottom surface is laid on precast assembly block, the interior sidewall surface bottom of precast assembly block
Portion is fixed with high-strength concrete template.
Fully-prefabricated assembled track structure of the present invention is laid on the shield duct piece in tunnel.
The track plates are using structures such as common prefabricated board, hollow frame plate, ladder type longeron or H-type sleepers.
Track plates limit convex falcon or reserved limit hole site pre-groove or built-in connection；Precast assembly block itself manufactures
Size can realize 5cm grades of adjustment functions of elevation.
The bullet die-cushion layer is arranged between track plates ground and precast assembly block top surface, by playing the realization pair of die-cushion layer
Power transmission channel is protected and is formed in the rigid connection of track plates.
Plastics or soil cement mortar can be used in the bullet die-cushion layer, and elasticity modulus is adjustable.
The bullet die-cushion layer is using the fluid curing elastic being sprayed between track plates ground and precast assembly block top surface
Material, fluid cured elastomeric materials use pitch or polyurethane monocomponent or polyurethane two-component etc..
Arrange that track, each track are mounted on along rail arranged for interval, rail by fastener on every piece of track plates
Track.
Elastic separated rail fastening can be used in the fastener.
Below the track plates precast assembly block, every piece of precast assembly block edge are equipped with along the both sides of rail arranged direction
The length in rail direction and the equivalent width of shield duct piece, form gap between the both sides precast assembly block below track plates, and two
Block precast assembly block is located at the both sides of track plates bottom surface；It is opened in the side close to track plates the precast assembly block top surface
There are installation groove, top surface to form bar shaped boss in the side far from track plates, track plates are per side bottom surface and side wall is through playing die-cushion layer
Loaded in installation groove.
Precast assembly block medial surface below installation groove and close to track plates side is equipped with built-in connection, along vertical
It is directly connected using rigid element between the built-in connection of the adjacent two pieces of precast assembly blocks in rail direction so that adjacent two pieces pre-
The assembled block of system forms lateral connection.
The precast assembly block is in inward flange (i.e. close to the edge at the track plates center) both sides of installation groove and item
The centre of shape boss is equipped with vertical adjusting hole, and vertical adjusting hole is through-hole, and each vertical adjusting hole is mounted on adjustment bolt,
Adjustment bolt makes its head bury in shield duct piece across rear vertical adjusting hole, and fixing nut and tune are set in adjustment bolt
Nut is saved, fixing nut and adjusting nut are located at the upper and lower of the vertical adjusting hole of precast assembly block, pass through fixing nut
Relative position between adjusting nut adjustment precast assembly block and adjustment bolt, and then adjust precast assembly block and shield duct piece
Between gap, after the completion of adjustment gap using back fill seals formed adjustment layer.
The top surface of the precast assembly block and adjustment layer is located at same level.
C60 C50 high-strength concrete prefabricateds can be used in the precast assembly block.
The precast assembly block of the present invention is both sides longitudinal bracing formula structure, and precast assembly block can be independently arranged, and laterally be limited
Position ground is arranged in the both sides of track plates.
The fully-prefabricated assembled track structure of the present invention can realize the bearing to track plates by precast assembly block, and lead to
It crosses and takes into account track structure vibration and noise reducing function in bullet die-cushion layer or adjustment layer laying elastic material, and between precast assembly block
Intermediate gutter is formed, convenient for draining.
The adjustment layer is the track plates of fully-prefabricated assembled track structure, plays the upper layer of die-cushion layer and precast assembly block
Structural adjustment is in place and high-strength concrete template is installed in place adjustment layer of the after-pouring between precast assembly block and shield duct piece.
The adjustment layer is using fluid curable materials such as CA mortars or asphalt mortar, bituminous mortars.
The track plates are reinforced concrete structure, are passed through using prestressing force or non-prestressed architecture, track plates
It is limited using the effectively engineering measure such as limit convex falcon or reserved limit hole.
The selections such as the reinforced concrete structure construction of the present invention, performance and concrete, reinforcing bar, material, casing, shaped steel should all
Meet existing related specification requirement.
Overall structure of the present invention can realize that batch production is prefabricated, and production efficiency is high, the accuracy of manufacture is high；Whole structure assembly is convenient,
Convenient for site operation；It is convenient that parts are split, and is convenient for operation phase maintenance and part replacement.
Beneficial effects of the present invention are as follows：
1, fully-prefabricated assembled track structure critical piece is prefabricated, assembled quick, the maintenance item of site operation
Part is preferable；
2, precast track plate is reinforced concrete structure, can be used prestressing force or the common prefabricated board of non-prestressed system, in
Empty frames frame plate, ladder type longeron or H-type concrete sleeper are equipped with limit convex falcon (or limit hole), prefabricated track, reserved fastener and indulge
Even part installs interface, and the corresponding interface should match unanimously with Project Technical condition and main technical standards；
3, it is to be sprayed between track plates and precast assembly block to realize rigid connection protection and formation power transmission channel to play die-cushion layer,
All kinds of fluid cured elastomeric materials such as pitch or polyurethane monocomponent or polyurethane two-component can be used；
4, prestressing force or " L " or the " shapes of Daoing ⊿ of non-prestressed system can be used in precast assembly block " both sides longitudinal bracing formula steel
Tendon concrete structure can realize 5cm grades of adjustment functions of elevation by itself manufacture change in size；Cross can be used in both sides precast base
To connection measure；Corresponding road bed board limit convex falcon or reserved limit hole site pre-groove or built-in connection；
5, adjustment layer is that fully-prefabricated assembled track structure superstructure adjusts after-pouring in place in precast assembly block and shield
The fluid curable materials such as CA mortars or asphalt mortar, bituminous mortar can be used in adjustment layer between structure section of jurisdiction；
6, when there is vibration and noise reducing demand at laying scene, die-cushion layer or the adjustment layer laying bullets such as rubber or polyurethane can played
Property material takes into account track structure vibration and noise reducing function.
Description of the drawings
Fig. 1 is the fully-prefabricated assembled track structure diagram of the present invention；
Fig. 2 is the fully-prefabricated assembled track structure diagram of the present invention；
Fig. 3 illustrates for track plates of the present invention；
Fig. 4 is that precast assembly block diagram of the present invention is shown；
Fig. 5 is precast assembly block of the present invention adjustment diagram；
Fig. 6 is the individual structure chart of precast assembly block of the present invention.
Fig. 7 is one of the structural schematic diagram after the whole assembly of the present invention.
Fig. 8 is the second structural representation after the whole assembly of the present invention.
Fig. 9 is the partial enlarged view of Fig. 8.
In figure：The fully-prefabricated assembled track structures of 1-, 2- track plates, 3- bullet die-cushion layers, 4- precast assembly blocks, 5- adjustment
Layer, 6- tracks, 7- rail, 8- built-in connections, the vertical adjusting holes of 9-, 10- adjustment bolts, 11- fixing nuts, 12- are adjusted
Nut, 13- high-strength concrete templates.
Specific implementation mode
The present invention will be described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, the fully-prefabricated assembled track structure 1 of the present invention includes the track plates 2 being laid with from top to bottom, plays mould
Bed course 3, precast assembly block 4 and adjustment layer 5, steel rail laying 7 on track plates 2, adjustment layer 5 are laid on shield duct piece, prefabricated spelling
Dress block 4 is layed between adjustment layer 5 and track plates 2 and is laid with along rail 7, and 2 bottom surface of track plates is laid on through playing the support of die-cushion layer 3
On precast assembly block 4.
Track plates 2 are equipped with prefabricated support rail using structures such as common prefabricated board, hollow frame plate, ladder type longeron or H-type sleepers
Platform, reserved fastener and vertical even part install interface.
It plays die-cushion layer 3 to be arranged between 4 top surface of 2 ground of track plates and precast assembly block, be realized to rail by playing die-cushion layer 3
Power transmission channel is protected and is formed in the rigid connection of guidance tape 2.Bullet die-cushion layer 3, which uses, is sprayed at 2 ground of track plates and precast assembly block 4
Fluid cured elastomeric materials between top surface.
Arrange that track 6, each track 6 are installed solid along 7 arranged for interval of rail, rail 7 by fastener on every piece of track plates 2
Due to track 6.Track plates 2 are equipped with precast assembly block 4, every piece of precast assembly block 4 along the both sides of 7 arranged direction of rail below
Along the equivalent width of the length and shield duct piece in 7 direction of rail, prestressing force or non-prestressed system knot can be used in precast assembly block 4
Structure forms gap between the both sides precast assembly block 4 of the lower section of track plates 2, and two pieces of precast assembly blocks 4 are located at 5 edge of adjustment layer
Both sides of the both sides and 2 bottom surface of track plates in 7 direction of rail along 7 direction of rail；4 top surface of precast assembly block is close to track plates 2
Side is provided with installation groove so that every piece of precast assembly block 4 is " L " or the " shapes of Daoing ⊿ " reinforced concrete structure, top surface is separate
The side of track plates 2 forms bar shaped boss, and track plates 2 are per side bottom surface and side wall is through playing die-cushion layer 3 loaded in installation groove.
4 medial surface of precast assembly block below installation groove and close to 2 side of track plates is equipped with built-in connection 8,
Two built-in connections 8 are arranged in one piece of precast assembly block 4 in specific implementation, and two built-in connections 8 are arranged in rail side
Before and after, connected using rigid element along between the built-in connection 8 of the adjacent two pieces of precast assembly blocks 4 in rail direction
It connects so that adjacent two pieces of precast assembly blocks 4 form lateral connection.
Precast assembly block 4 is convex in inward flange (i.e. close to the edge at 2 center of the track plates) both sides of installation groove and bar shaped
The centre of platform is equipped with vertical adjusting hole 9, and three vertical adjusting holes 9 form triangular arrangement, and vertical adjusting hole 9 is through-hole, often
A vertical adjusting hole 9 is mounted on adjustment bolt 10, and adjustment bolt 10 passes through rear vertical adjusting hole 9 so that its head is buried into shield
In structure section of jurisdiction, i.e., adjustment bolt 10 fix it is pre- be embedded in shield duct piece, by adjusting bolt 10 realize track structure adjust function, adjust
Concrete or mortar back fill seals can be used after the completion of whole.Fixing nut 11 and adjusting nut 12 are set in adjustment bolt 10, Gu
Determine nut 11 and adjusting nut 12 be located at precast assembly block 4 vertical adjusting hole 9 upper and lower, pass through 11 He of fixing nut
Adjusting nut 12 adjusts the relative position between precast assembly block 4 and adjustment bolt 10, and then adjusts precast assembly block 4 and shield
Gap between section of jurisdiction realizes that track structure adjusts function, and concrete or mortar back fill seals are used in gap after the completion of adjustment
Form adjustment layer 5.
In specific implementation, the upper nose end of vertical adjusting hole 9 and lower nose end can be provided with recess so that fixing nut 11 and tune
Section nut 12 is embedded in into recess.
In specific implementation, nut can be also embedded in precast assembly block, just reconciliation accurate adjustment is carried out with adjustment bolt 10.
In specific implementation, at the both ends of track plates 2 or centre is provided with drain groove, and installation is with straight slot in drain groove
Cover board.
The top surface of precast assembly block 4 and adjustment layer 5 is located at same level.
Adjustment layer 5 is that 1 superstructure of fully-prefabricated assembled track structure adjusts after-pouring in place in precast assembly block 4 and shield
Adjustment layer between structure section of jurisdiction, adjustment layer 5 is using fluid curable materials such as CA mortars or asphalt mortar, bituminous mortars.In specific implementation, adjustment
FC materials are added in layer 5, enhance prefabricated component pressure-proof and snap-resistent performance, are reduced micro-crack, can be effectively improved the individual applications service life.
Specific implementation process of the present invention is as follows：
1, accessory preparation and element precast
Prefabricated components of the present invention include：Precast track plate and precast assembly block can be adopted both for reinforced concrete structure
With prestressing force or non-prestressed architecture.Element precast includes：Template processing-assembling reinforcement (reinforced bar stretching)-built-in fitting
The master controls links such as arrangement-concreting-printing mark-maintenance, wherein embedded part of track slab includes：Fastener casing is indulged
Even (lifting) casing, fixture service sleeve etc.；Precast assembly block built-in fitting includes：Horizontal connected set pipe, adjustment casing etc..
2, Assembling
Novel fully-prefabricated assembled track structure and accessory preparation are complete, and Specific construction process is：
1) it is laid with precast assembly block
First, first pre-buried adjustment bolt 10, the head of adjustment bolt 10 are embedded in shield duct piece shield duct piece.
Then, the specification that precast assembly block is determined according to field measurement section of jurisdiction elevation dimension data, by each precast assembly
Three vertical adjusting holes 9 of block wear the arrangement of adjustment bolt 10, and the adjustment bolt 10 of 9 top of vertical adjusting hole is set with fixing nut
11, the adjustment bolt 10 of 9 lower section of vertical adjusting hole is set with adjusting nut 12, and precast assembly block 4 is supported on fixing nut 11 and adjusts
Between saving nut 12, to realize that the scene of progress is mated formation in advance.
In specific implementation, precast assembly block accurate adjustment can also be carried out herein：Test data, Track desigh parameter base at the scene
On plinth, the fixed point coordinate for the precast assembly block that converts carries out precast assembly block accurate adjustment operation.
2) track slab pavement
Track plates are laid on precast assembly block, bed course is arranged in track plates and precast assembly block, and the bed course of specific implementation can
Using fluid curable materials such as CA mortars or asphalt mortar, bituminous mortars, poured after the adjustment of fully-prefabricated assembled track structure superstructure is in place
It builds between precast assembly block and shield duct piece, passes through fastener steel rail laying on the track of track plates；
3) fully-prefabricated assembled track structure accurate adjustment
After completing fastener and steel rail laying, carry out accurate adjustment operation.It is adjusted by rotary fixing screw mother 11 and adjusting nut 12
Gap between precast assembly block 4 and shield duct piece so that the gap between precast assembly block 4 and shield duct piece reaches design and wants
It asks, track structure is locked after the completion of adjustment；
4) adjustment layer, adjustment are poured
Carry out adjustment layer and pour operation, the gap between precast assembly block 4 and shield duct piece uses concrete or mortar
Equal fluid curable materials backfill pours, and sealing forms adjustment layer 5 after pouring solidification, then the laying position of rail is adjusted by fastener
It sets, ultimately forms such as Fig. 7 or the track structure geometric dimension such as Fig. 8 is effectively easily accurately adjusted.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (10)
1. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel, it is characterised in that：Described is complete
Prefabricated assembled track structure (1) include the track plates (2) being laid with from top to bottom, play die-cushion layer (3), precast assembly block (4) and
Adjustment layer (5), steel rail laying (7) on track plates (2), adjustment layer (5) are laid on shield duct piece, and precast assembly block (4) is laid with
It is laid between adjustment layer (5) and track plates (2) and along rail (7), the support of track plates (2) bottom surface is laid on precast assembly block
(4) on, the interior sidewall surface bottom of precast assembly block (4) is fixed with high-strength concrete template (13).
2. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：The track plates (2) are using structures such as common prefabricated board, hollow frame plate, ladder type longeron or H-type sleepers.
3. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：The bullet die-cushion layer (3) is arranged between track plates (2) ground and precast assembly block (4) top surface, passes through bullet
Die-cushion layer (3) realizes that power transmission channel is protected and formed in the rigid connection to track plates (2).
4. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：The bullet die-cushion layer (3) is used and is sprayed between track plates (2) ground and precast assembly block (4) top surface
Fluid cured elastomeric materials.
5. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：Track (6) is arranged on every piece of track plates (2), each track (6) is along rail (7) arranged for interval, rail (7)
It is mounted on track (6) by fastener.
6. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：The track plates (2) are equipped with precast assembly block (4) along the both sides of rail (7) arranged direction below, every piece
For precast assembly block (4) along the equivalent width of the length and shield duct piece in rail (7) direction, the both sides below track plates (2) are prefabricated
Gap is formed between assembled block (4), two pieces of precast assembly blocks (4) are located at the both sides of track plates (2) bottom surface；Described is prefabricated
Assembled block (4) top surface is being provided with installation groove close to the side of track plates (2), and top surface is formed in the side far from track plates (2)
Bar shaped boss, track plates (2) are per side bottom surface and side wall is through playing die-cushion layer (3) loaded in installation groove.
7. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 6,
It is characterized in that：Precast assembly block (4) medial surface below installation groove and close to track plates (2) side is equipped with pre-buried company
Fitting (8), edge use rigid element between the built-in connection (8) of the adjacent two pieces of precast assembly blocks (4) in rail direction
Connection so that adjacent two pieces of precast assembly blocks (4) form lateral connection.
8. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 6,
It is characterized in that：The precast assembly block (4) is equipped in the centre of the inward flange both sides of installation groove and bar shaped boss
Vertical adjusting hole (9), vertical adjusting hole (9) are through-hole, and each vertical adjusting hole (9) is mounted on adjustment bolt (10), adjusts
Bolt (10) passes through rear vertical adjusting hole (9) so that its head is buried in shield duct piece, and suit is fixed in adjustment bolt (10)
Nut (11) and adjusting nut (12), fixing nut (11) and adjusting nut (12) are located at the vertical of precast assembly block (4)
The upper and lower of adjusting hole (9) adjusts precast assembly block (4) and adjustment bolt by fixing nut (11) and adjusting nut (12)
(10) relative position between, and then gap of the precast assembly block (4) between shield duct piece is adjusted, in gap after the completion of adjustment
Adjustment layer (5) is formed using back fill seals.
9. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 1,
It is characterized in that：The adjustment layer (5) be fully-prefabricated assembled track structure (1) track plates (2), play die-cushion layer (3) and
The superstructure adjustment of precast assembly block (4) is in place and high-strength concrete template (13) is installed in place after-pouring in precast assembly
Adjustment layer of the block (4) between shield duct piece.
10. a kind of novel fully-prefabricated assembled track structure for railroad track field tunnel according to claim 5,
It is characterized in that：The adjustment layer (5) is using fluid curable materials such as CA mortars or asphalt mortar, bituminous mortars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366045.9A CN108396596A (en) | 2018-04-23 | 2018-04-23 | Novel fully-prefabricated assembled track structure for railroad track field tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366045.9A CN108396596A (en) | 2018-04-23 | 2018-04-23 | Novel fully-prefabricated assembled track structure for railroad track field tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN108396596A true CN108396596A (en) | 2018-08-14 |
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| CN201810366045.9A Pending CN108396596A (en) | 2018-04-23 | 2018-04-23 | Novel fully-prefabricated assembled track structure for railroad track field tunnel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485214A (en) * | 2019-08-28 | 2019-11-22 | 吴永芳 | A kind of prefabricated railway roadbed module of assembly digitalization and its production method, track |
| CN111851184A (en) * | 2020-07-01 | 2020-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated base in shield tunnel and connection structure of prefabricated base and section of jurisdiction |
| CN115559156A (en) * | 2022-12-06 | 2023-01-03 | 中国铁路设计集团有限公司 | Wedge-shaped supporting structure of assembly type track and mounting method thereof |
| CN115627665A (en) * | 2022-12-06 | 2023-01-20 | 中国铁路设计集团有限公司 | Construction method of fast-supporting integrally-assembled prefabricated track structure |
| CN115652700A (en) * | 2022-12-06 | 2023-01-31 | 中国铁路设计集团有限公司 | Full-section assembled track structure |
Citations (6)
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| CN111851184A (en) * | 2020-07-01 | 2020-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated base in shield tunnel and connection structure of prefabricated base and section of jurisdiction |
| CN115559156A (en) * | 2022-12-06 | 2023-01-03 | 中国铁路设计集团有限公司 | Wedge-shaped supporting structure of assembly type track and mounting method thereof |
| CN115627665A (en) * | 2022-12-06 | 2023-01-20 | 中国铁路设计集团有限公司 | Construction method of fast-supporting integrally-assembled prefabricated track structure |
| CN115652700A (en) * | 2022-12-06 | 2023-01-31 | 中国铁路设计集团有限公司 | Full-section assembled track structure |
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