CN109137633A - Level crossing mouth railway roadbed and preparation method - Google Patents
Level crossing mouth railway roadbed and preparation method Download PDFInfo
- Publication number
- CN109137633A CN109137633A CN201811286368.3A CN201811286368A CN109137633A CN 109137633 A CN109137633 A CN 109137633A CN 201811286368 A CN201811286368 A CN 201811286368A CN 109137633 A CN109137633 A CN 109137633A
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- Prior art keywords
- rail
- support groove
- rail support
- level crossing
- reinforcement cage
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000007580 dry-mixing Methods 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims abstract description 4
- 239000011083 cement mortar Substances 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910003460 diamond Inorganic materials 0.000 claims description 9
- 239000010432 diamond Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001629 suppression Effects 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
-
- 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
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
It is of the invention to be related to a kind of level crossing mouth railway roadbed and preparation method, including substrate and concrete road bed, it is characterized in that, it is described concrete road bed to be formed by more than one sectional type track plates unit spliced, each sectional type track plate unit is rectangular rail plate, including steel reinforcement cage, the decorative pattern web plate being welded in above steel reinforcement cage, rail support groove, screw spike, insulating sleeve and the concrete layer being arranged in steel reinforcement cage.Preparation method is: substrate is rammed repoussage using fine stone and dry mixing cement mortar and is put down, and is then directly lifted on sectional type track plate unit in substrate, affixed by concrete, that is, forms complete highway or railway ballast.Have that bearing capacity is strong, intensity is high, does not repair and cost economic vulnerable to water erosion damage, zero dimension compared with existing all types of railway roadbeds, it can adapt to the variation of line parameter circuit value, such as sweep, superelevation, heavy slope and widen the strong geometry of plasticity, bedding is stablized, durability is strong, and service life was at 15 years or more.
Description
Technical field
The invention belongs to technical field of rail traffic more particularly to a kind of level crossing mouth railway roadbed and preparation sides
Method.
Background technique
The railway roadbed of level crossing is layed in railway and highway intersection, is the rail for guaranteeing railway and highway safety operation
The auxiliary device of road level crossing, while being also the weak link in railway trackage, it is the emphasis of railway equipment management.
Traditional road and rail level crossing railway is mainly by the ground ballast bed or concrete road bed is arranged
It constitutes.By the sleeper that timber, concrete or steel are constituted be embedded in rubble or it is concrete road bed in, and rail is fixed on
On sleeper.However a big problem of this railway roadbed is to be rolled by running to ballast bed.Pass through huge impact
Power, distortion power make railway roadbed integral sinking, lead to the injustice of track flexure and railway.With the quick hair of China's economy and society
Exhibition, is increasingly increased by the flow motor and large-tonnage cargo vehicle of level crossing, accelerates the folding of existing road junction road bed apparatus
Damage, broken, deformation and aging speed.Seriously jeopardize railways train operation and vehicular traffic and the safety of pedestrian.Meanwhile frequent road junction
Railway roadbed maintenance work also disturbs the normal transport order of railway and highway, also adds the investment of maintenance load and expense.
Therefore, in order to guarantee normal railway transportation and highway transportation, developing level crossing facility is the key that solve the problems, such as this
Place.
Summary of the invention
The purpose of this invention is to solve the problems associated with the prior art, provides a kind of structurally reasonable, sturdy and durable, stabilization
Property the good and simple level crossing mouth railway roadbed of structure with long service life and preparation method thereof.
The solution that the present invention solves its technical problem is:
A kind of level crossing mouth railway roadbed of the invention, including substrate and concrete road bed, it is concrete road bed to be placed in base
The top at bottom, which is characterized in that it is described it is concrete road bed formed by more than one sectional type track plates unit spliced, Mei Gefen
Block formula track plate unit is rectangular rail plate, including steel reinforcement cage, the decorative pattern web plate being welded in above steel reinforcement cage, is arranged in reinforcing bar
Rail support groove, screw spike, insulating sleeve and concrete layer in cage,
The both ends of the decorative pattern web plate are coated in steel reinforcement cage both ends, at least reserved two or more the rail support grooves on steel reinforcement cage,
The rail support groove is arranged symmetrically centered on track centerline, and track, screw spike and insulating sleeve are embedded in rail support groove,
It is equipped with rubber pad between rail support groove and track, hanging ring is equipped in rail support groove.
As advanced optimizing for above scheme, also it is equipped in the side of the sectional type track plate unit for will be anti-
The solid concrete roabed beaten hangs hanging ring just.
As advanced optimizing for above scheme, the rail support groove is dove-tail form support rail groove profile.
As advanced optimizing for above scheme, it is additionally provided with reinforcing strip on the decorative pattern web plate, and in reinforcing strip
It is welded with encryption nail.
As advanced optimizing for above scheme, the reinforcing strip is 50mm-70mm.
As advanced optimizing for above scheme, the depth of the dove-tail form rail support groove is equal to institute's steel rail laying height+rubber
Rubber mat thickness 10mm.
As advanced optimizing for above scheme, the decorative pattern web plate uses the decorative pattern net of Q235-A ordinary carbon steel.
A kind of preparation method of level crossing mouth railway roadbed of the invention, characterized in that it comprises the following steps:
1) two long side of diamond plate is first rolled over into 90 degree of bending edges in order, is then flatted down on placement platform, then by reinforcing bar
Cage is integrally hung on diamond plate, welds to form one by setting-out telltale mark and diamond plate；
2) two or more pieces rail supporting groove mould and the screw spike set and insulating sleeve are placed on what steel reinforcement cage was reserved at this time
At rail support groove；
3) it then by all hanging rings by being welded in advance in the position of rail support groove design and steel reinforcement cage, is set up in the surrounding of steel reinforcement cage
Exterior sheathing, is reversely poured and is made firm by ramming with concrete sectional type track plate unit is made；
4) substrate is rammed repoussage using fine stone and dry mixing cement mortar and is put down, for creating roadbed, it is necessary to carry out bottom stab ilization, finally
Sectional type track plate unit is directly lifted in substrate, then rail is accurately mounted in rail support groove, and with pre-buried screw thread channel
Nail is fixed with rail fastening, spring and nut, that is, forms complete highway or railway ballast.
As advanced optimizing for the above method, the concrete uses c30 concrete.
As advanced optimizing for the above method, rail support groove drainage channel is equipped in the rail support groove.
The invention has the advantages that
Level crossing mouth railway roadbed of the invention is compared with existing all types of railway roadbeds with bearing capacity is strong, intensity is high, no
Vulnerable to water erosion damage, zero dimension repair with cost economic, can adapt to the variation of line parameter circuit value, such as sweep, superelevation, heavy slope
With the strong geometry of plasticity such as widen, bedding is stablized, and durability is strong, and service life was at 15 years or more.
To realize sectional type track plate unit prefabricated using reversely pouring and making firm by ramming molding method by the present invention, ensure that iron
Road and highway crossing street intersection railway roadbed intrinsic frequency parameter are in reasonable controllable levels always, keep the using effect of railway roadbed available
Adequately guarantee, by the way that each sectional type track plate unit to be securely seated between in substrate, will not generate and loosen or shift, thus
It can guarantee that level crossing mouth railway roadbed working condition of the invention more balances reliably, promote track car operation
Safety.
The configuration of the present invention is simple, using sectional type track plates unit spliced of the present invention at level crossing mouth road
Bed, overall stability is good, evenness of road surface is beautiful, anticorrosive, while being applicable in various weather conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sectional type track plate unit of the invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the structural schematic diagram of decorative pattern web plate.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is schematic diagram of the sectional type track plate unit containing track switch of the invention.
Fig. 6 is the B-B cross-sectional view of Fig. 5.
Fig. 7 is that sectional type track plate unit is placed in the structural schematic diagram in substrate.
Specific embodiment
Below with reference to embodiment and attached drawing, the invention will be further described.
As shown in Fig. 1-Fig. 7, a kind of level crossing mouth railway roadbed of the invention, including substrate 1 and concrete road
Bed 2, concrete road bed 2 is placed in the top of substrate 1, which is characterized in that described concrete road bed 2 are by more than one sectional type rail
Guidance tape unit spliced forms, and each sectional type track plate unit is rectangular rail plate, including steel reinforcement cage 2-6, is welded in reinforcing bar
Decorative pattern web plate 2-1 above cage 2-6, the rail support groove 2-2 being arranged in steel reinforcement cage 2-6, screw spike 2-3, insulating sleeve 2-8 with
And concrete layer 2-5,
The both ends of the decorative pattern web plate 2-1 are bending edges 2-1-1, the coated both ends in steel reinforcement cage 2-6, on steel reinforcement cage 2-6
At least reserved two or more rail support groove 2-2, the rail support groove 2-2 are arranged symmetrically centered on rail 2-9 center line, rail
2-9, screw spike 2-3 and insulating sleeve 2-8 are embedded in rail support groove 2-2, and the setting of screw spike 2-3 meets anchor bolt
It is interference-free to be effectively guaranteed the normal track circuit of railway for withdrawal resistance, the setting of insulating sleeve 2-8.
The present invention is equipped with rubber pad 2-7 between rail support groove 2-2 and rail 2-9, and hanging ring 2- is equipped in rail support groove 2-2
4。
As advanced optimizing for above scheme, also it is equipped in the side of the sectional type track plate unit for will be anti-
The solid concrete roabed beaten hangs hanging ring just, is not shown in the figure.
As advanced optimizing for above scheme, the rail support groove 2-2 is dove-tail form rail support groove.Dove-tail form rail support groove,
Can make motor vehicles it is steady, safely, run through, and can reduce the percussion to guidance tape.
As advanced optimizing for above scheme, reinforcing strip 2-1-2 and bolt are additionally provided on the decorative pattern web plate 2-1
Hole 2-1-3, and encryption nail is welded on reinforcing strip 2-1-2.
As advanced optimizing for above scheme, the reinforcing strip 2-1-2 is 50mm-70mm.
In order to improve effectiveness in vibration suppression, the depth of dove-tail form rail support groove 2-3 of the present invention is equal to institute's steel rail laying 2-9 height
+ rubber pad 2-7 thickness 10mm.
As advanced optimizing for above scheme, the decorative pattern web plate 2-1 uses the decorative pattern of Q235-A ordinary carbon steel
Net.
A kind of preparation method of level crossing mouth railway roadbed of the invention, characterized in that it comprises the following steps:
1) two long side of diamond plate 2-1 is first rolled over into 90 degree of bending edges 2-1-1 in order, is then flatted down on placement platform,
Steel reinforcement cage 2-6 is integrally hung on diamond plate again, welds to form one by setting-out telltale mark and diamond plate 2-1；
2) two or more pieces rail supporting groove mould and the screw spike 2-3 set and insulating sleeve 2-8 are placed on steel reinforcement cage at this time
At 2-6 reserved rail support groove 2-2；
3) then by all hanging ring 2-4 by being welded in advance in the position of rail support groove 2-2 design with rail support groove 2-2, in steel reinforcement cage
The surrounding of 2-1 sets up exterior sheathing, is reversely poured and is made firm by ramming with concrete 2-5 sectional type track plate unit is made；
4) substrate 1 is rammed repoussage using fine stone 1-1 and dry mixing cement bonded sand 1-2 slurry and is put down, for creating roadbed, it is necessary to carry out substrate 1
It reinforces, finally directly lifts sectional type track plate unit on the base 1, then rail 2-9 is accurately mounted on rail support groove 2-2
It is interior, and fixed with pre-buried screw spike 2-3 and rail 2-9 fastener, spring and nut, that is, form complete highway or railway road
Bed.As shown in Figure 7.
As advanced optimizing for the above method, the concrete 2-5 uses c30 concrete, to ensure the strong of guidance tape
Degree.
As advanced optimizing for the above method, rail support groove drainage channel 2-10 is equipped in the rail support groove 2-2.Row
The effect of sink, for excluding the ponding in rail support groove, it is ensured that pre-buried screw spike 2-3, rail 2-9 fastener, spring and nut
Fixation is not rusted.
It should be noted that the specific constructive form of level crossing mouth railway roadbed of the present invention can be according to real road junction
Actual needs, first the whole substrate of system at the scene, then can be processed, under normal circumstances piecemeal by the way of prefabricated
The length of formula track plate unit and substrate matches, and the size for processing each sectional type track plate unit is required according to design period,
It is formed to on-site consolidation；It can also be processed, be manufactured and used very convenient by the way of cast-in-site.
If encounter substrate seam crossing in installation process, the arrangement of sectional type track plate unit and the seam of substrate want wrong
It opens up and sets, be typically disposed in sectional type track plate unit center.
Bearing capacity can be improved in level crossing mouth railway roadbed of the invention, makes the deflection of railway roadbed than common road
Bed is reduced by about 90%, and can make about 0.7-4 times of the longitudinally, laterally resistance increase of route, and drainage performance is also improved significantly,
Have the characteristics that prevent it is dirty, antifreeze, do not grow grass.Further, since existing all types of railway roadbed routes make route side because of long-term operation
To, height, horizontal and curve state certain variation has occurred, thickness of ballast bed, height are also changed, and road bed board occur
It ties, rise soil, the diseases such as rail abrasion speed is accelerated, and sectional type solid concrete roabed of the present invention can be sick to avoid these tracks
Evil, and line maintenance engineering can be reduced, operating efficiency and quality are directly improved, can preferably guarantee to carry train and vapour
The safe operation of vehicle.
Claims (10)
1. a kind of level crossing mouth railway roadbed, including substrate and concrete road bed, it is concrete road bed to be placed in the upper of substrate
Side, which is characterized in that it is described it is concrete road bed formed by more than one sectional type track plates unit spliced, each sectional type rail
Road plate unit is rectangular rail plate, including steel reinforcement cage, the decorative pattern web plate being welded in above steel reinforcement cage, is arranged in steel reinforcement cage
Rail support groove, screw spike, insulating sleeve and concrete layer,
The both ends of the decorative pattern web plate are coated in steel reinforcement cage both ends, at least reserved two or more the rail support grooves on steel reinforcement cage,
The rail support groove is arranged symmetrically centered on track centerline, and track, screw spike and insulating sleeve are embedded in rail support groove,
It is equipped with rubber pad between rail support groove and track, hanging ring is equipped in rail support groove.
2. a kind of level crossing mouth railway roadbed according to claim 1, it is characterised in that in the sectional type
The side of track plate unit is also equipped with for the anti-solid concrete roabed beaten to be hung hanging ring just.
3. a kind of level crossing mouth railway roadbed according to claim 1, it is characterised in that the rail support groove is
Dove-tail form support rail groove profile.
4. a kind of level crossing mouth railway roadbed according to claim 1, it is characterised in that in the decorative pattern net
It is additionally provided with reinforcing strip on plate, and is welded with encryption nail in reinforcing strip.
5. a kind of level crossing mouth railway roadbed according to claim 4, it is characterised in that the reinforcing strip is
50mm-70mm。
6. level crossing mouth sectional type solid concrete roabed according to claim 3, it is characterised in that the dovetail
The depth of type rail support groove is equal to institute's steel rail laying height+rubber pad thickness 10mm.
7. level crossing mouth railway roadbed according to claim 1, it is characterised in that the decorative pattern web plate uses
The decorative pattern web plate of Q235-A ordinary carbon steel.
8. a kind of preparation method of level crossing mouth railway roadbed, characterized in that it comprises the following steps:
1) two long side of diamond plate is first rolled over into 90 degree of bending edges in order, is then flatted down on placement platform, then by reinforcing bar
Cage is integrally hung on diamond plate, welds to form one by setting-out telltale mark and diamond plate；
2) two or more pieces rail supporting groove mould and the screw spike set and insulating sleeve are placed on what steel reinforcement cage was reserved at this time
At rail support groove；
3) it then by all hanging rings by being welded in advance in the position of rail support groove design and steel reinforcement cage, is set up in the surrounding of steel reinforcement cage
Exterior sheathing, is reversely poured and is made firm by ramming with concrete sectional type track plate unit is made；
4) substrate is rammed repoussage using fine stone and dry mixing cement mortar and is put down, for creating roadbed, it is necessary to carry out bottom stab ilization, finally
Sectional type track plate unit is directly lifted in substrate, then rail is accurately mounted in rail support groove, and with pre-buried screw thread channel
Nail is fixed with rail fastening, spring and nut, that is, forms complete highway or railway ballast.
9. the production method of level crossing mouth railway roadbed according to claim 7, which is characterized in that described is mixed
Solidifying soil uses c30 concrete.
10. the production method of level crossing mouth railway roadbed according to claim 7, which is characterized in that described
Rail support groove in be equipped with rail support groove drainage channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286368.3A CN109137633A (en) | 2018-10-31 | 2018-10-31 | Level crossing mouth railway roadbed and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286368.3A CN109137633A (en) | 2018-10-31 | 2018-10-31 | Level crossing mouth railway roadbed and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109137633A true CN109137633A (en) | 2019-01-04 |
Family
ID=64806889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286368.3A Withdrawn CN109137633A (en) | 2018-10-31 | 2018-10-31 | Level crossing mouth railway roadbed and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109137633A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064424A (en) * | 2020-08-07 | 2020-12-11 | 上海远通路桥工程有限公司 | Quick construction method for road section track at level crossing |
| CN112281549A (en) * | 2020-10-26 | 2021-01-29 | 成都市新筑路桥机械股份有限公司 | Quick construction method for level crossing track |
| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
| CN113584958A (en) * | 2021-09-03 | 2021-11-02 | 上海拓铁通信科技有限公司 | Bending-resistant straight rail groove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321111A (en) * | 2013-07-01 | 2013-09-25 | 中冶交通（沈阳）建设工程有限公司 | Tramcar track continuous-laying construction method |
| KR20140109732A (en) * | 2013-03-06 | 2014-09-16 | 강남훈 | Three-dimensional solid shape of the Embedded Rail concrete block manufacturing method and Embedded Rail Track System constructing methods using Embedded Rail concrete blocks manufactured by this method |
| CN104947566A (en) * | 2015-07-01 | 2015-09-30 | 天津港设施管理服务公司 | Assembled grade crossing |
| CN105274912A (en) * | 2015-03-30 | 2016-01-27 | 北京城建设计发展集团股份有限公司 | Construction method for monolithic track bed of tramcar on hardened section |
| CN205223782U (en) * | 2015-11-19 | 2016-05-11 | 鞍山钢铁集团公司 | Whole crossing plates of combined reinforced concrete |
| CN206800105U (en) * | 2017-05-15 | 2017-12-26 | 武汉钢铁有限公司 | A kind of level crossing fork track plates |
-
2018
- 2018-10-31 CN CN201811286368.3A patent/CN109137633A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140109732A (en) * | 2013-03-06 | 2014-09-16 | 강남훈 | Three-dimensional solid shape of the Embedded Rail concrete block manufacturing method and Embedded Rail Track System constructing methods using Embedded Rail concrete blocks manufactured by this method |
| CN103321111A (en) * | 2013-07-01 | 2013-09-25 | 中冶交通（沈阳）建设工程有限公司 | Tramcar track continuous-laying construction method |
| CN105274912A (en) * | 2015-03-30 | 2016-01-27 | 北京城建设计发展集团股份有限公司 | Construction method for monolithic track bed of tramcar on hardened section |
| CN104947566A (en) * | 2015-07-01 | 2015-09-30 | 天津港设施管理服务公司 | Assembled grade crossing |
| CN205223782U (en) * | 2015-11-19 | 2016-05-11 | 鞍山钢铁集团公司 | Whole crossing plates of combined reinforced concrete |
| CN206800105U (en) * | 2017-05-15 | 2017-12-26 | 武汉钢铁有限公司 | A kind of level crossing fork track plates |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064424A (en) * | 2020-08-07 | 2020-12-11 | 上海远通路桥工程有限公司 | Quick construction method for road section track at level crossing |
| CN112281549A (en) * | 2020-10-26 | 2021-01-29 | 成都市新筑路桥机械股份有限公司 | Quick construction method for level crossing track |
| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
| CN113584958A (en) * | 2021-09-03 | 2021-11-02 | 上海拓铁通信科技有限公司 | Bending-resistant straight rail groove |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |
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