CN108360306A - II type track plates rebar fastening system pins of CRTS and pin component - Google Patents
II type track plates rebar fastening system pins of CRTS and pin component Download PDFInfo
- Publication number
- CN108360306A CN108360306A CN201810410009.8A CN201810410009A CN108360306A CN 108360306 A CN108360306 A CN 108360306A CN 201810410009 A CN201810410009 A CN 201810410009A CN 108360306 A CN108360306 A CN 108360306A
- Authority
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- China
- Prior art keywords
- mixed mud
- pin
- connecting section
- track plates
- ring
- 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.)
- Pending
Links
- 238000010008 shearing Methods 0.000 claims abstract description 15
- 239000011440 grout Substances 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012634 fragment Substances 0.000 abstract description 28
- 239000004570 mortar (masonry) Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
- E01B1/007—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with interlocking means to withstand horizontal forces
Abstract
The invention discloses II type track plates rebar fastening system pins of CRTS and pin components, pin component includes pin body and to middle ring, pin body includes the intermediate shearing resistance segment for having the first connecting section, the second connecting section and surface of knurling structure smooth, and one end of pin body is fixed on to middle ring；Mixed mud base board, mortar bed and mixed mud track plates are first laid with when construction；Pin component is assembled；Then a through-hole is made a call to downwards from mixed mud track plates, pin component is put into through-hole；Then mixed mud, mixed mud cooled and solidified are poured into from the grout compartment to middle ring；Mixed mud track pillow plate is finally poured on mixed mud track plates；After completion, the first connecting section of pin body is located in mixed mud track plates, and the second connecting section is located in mixed mud base board, and the part of intermediate shearing resistance segment is located in mortar bed；Pin has better fixed effect to mixed mud track plates and mixed mud base board, not easy to break, and non-fragment orbit has better stability.
Description
Technical field
The present invention relates to a kind of track fields, more particularly, to II type track plates rebar fastening system pins of CRTS and pin
Component and non-fragment orbit.
Background technology
Non-fragment orbit (nonballasted-track) refers to being dissipated using the mass-type foundations such as concrete, asphalt substitution
The ballast bed track structure of grain.Non-fragment orbit is compared with Ballast track, and non-fragment orbit avoids splashing railway ballast, and ride comfort is good,
Stability is good, and service life is long, and durability is good, and maintenance work is few, when train operation scooter 350km per hour more than.
Non-fragment orbit includes the mixed mud base board, mortar bed and mixed mud track plates being sequentially arranged from lower to upper, often
Section non-fragment orbit length is about 6450mm.Mixed mud track pillow plate is poured on mixed mud track plates, in train or motor-car row
During sailing, mixed mud track plates can be relatively moved relative to mixed mud base board, therefore in mixed mud track plates and mixed mud
It needs to arrange numerous pins between base board, to couple mixed mud track plates with mixed mud base board, avoids the two
Between displacement, traditional pin feature is fairly simple, is easy to produce fracture situation because vibrations, shearing force are excessive etc..
In view of this, those skilled in the art provide the II type track plates plant anchors of CRTS that can overcome above-mentioned technical problem
System pin.
Invention content
Technical problem to be solved by the invention is to provide a kind of novel II type track plates rebar fastening system pins of CRTS
Nail has better fixed effect to mixed mud track plates and mixed mud base board, and does not allow easy fracture；Further provide one
Pin component and non-fragment orbit of the kind with II type track plates rebar fastening system pins of above-mentioned CRTS.
Technical solution is used by the present invention solves above-mentioned technical problem：II type track plates rebar fastening system pins of CRTS
Nail, include the pin body of round bar shape, it is characterised in that the pin body include first connecting section with knurling structure,
The smooth intermediate shearing resistance segment in surface and the second connecting section with knurling structure.
The present invention preferred embodiment be：The distal center position of first connecting section is equipped with for coupling to middle ring
End is positioned, the positioning end includes a positioning terminal and is connected to the recessed portion of the first connecting section.
The present invention preferred embodiment be：The end of second connecting section is burnishing surface.
Pin component, including II type track plates rebar fastening system pins of CRTS and to middle ring, the II type rails of CRTS
Guidance tape rebar fastening system pin includes the pin body of round bar shape, it is characterised in that the pin body includes having annular knurl
The smooth intermediate shearing resistance segment in first connecting section of structure, surface and the second connecting section with knurling structure, described first
The end of connecting section is equipped with positioning end, described that the positioning end is fixed on to middle ring.
The present invention preferred embodiment be：Described includes a ring body, outer diameter and the pin sheet of the ring body to middle ring
The outer diameter of body is suitable, and the outer surface of the ring body is evenly distributed with the rib of radial protrusion, and grouting is formed between two ribs
Area.
The present invention preferred embodiment be：Described is made of plastics middle ring, and is lacked to offering one in the ring body of middle ring
Mouthful, make ring body that can be deformed upon under external force extruding.
The present invention preferred embodiment be：The positioning end includes a positioning terminal and is connected to the recessed of the first connecting section
Concave portion, the inner wall of the ring body are equipped with the ring-like wall of a protrusion, and the annular wall is stuck in the recessed portion, and described
Positioning terminal be stuck in one end of annular wall, the positioning terminal is no more than the end to middle ring.
The present invention preferred embodiment be：The end of second connecting section is burnishing surface, second connecting section
End covers rubber sleeve, and the bottom of the rubber sleeve is placed with shock absorbing ring.
Non-fragment orbit, including the mixed mud base board, mortar bed and the mixed mud track plates that are sequentially arranged from lower to upper mix
Mixed mud track pillow plate has been poured on soil track plates, and more are connected between mixed mud track plates and mixed mud base board as weighed
Profit requires any pin component described in 4-8, the first connecting section to be located in mixed mud track plates, and the second connecting section is located at mixed mud
In native base board, the part of intermediate shearing resistance segment is located in mortar bed.
The construction method of non-fragment orbit：1) mixed mud base board, mortar bed and mixed mud track plates are first laid；By pin
Screw assembly assembles；2) through-hole that a diameter is more than pin component outer diameter is made a call to downwards from mixed mud track plates, through-hole extends to
Pin component is put into through-hole by mixed mud base board；First connecting section is located in mixed mud track plates, the second connection section
In in mixed mud base board, the part of intermediate shearing resistance segment is located in mortar bed；3) it is in the milk：It is filled from the grout compartment to middle ring
Enter mixed mud, mixed mud is made to be evenly distributed in the gap between pin and through-hole, mixed mud cooled and solidified；4) in mixed mud rail
Mixed mud track pillow plate is poured on guidance tape.
Compared with prior art, it is an advantage of the invention that pin component includes to II type track plates bar planting anchor of middle ring and CRTS
Gu system pin, II type track plates rebar fastening system pins of CRTS include pin body, are determined in pin body middle ring sleeve
On the end of position, to being provided with the uniformly radially-arranged shuttle-type rib of annular in the ring body of middle ring, grouting is formed between two ribs
Area, existing gap can be equal by pouring into mixed mud slurry from grout compartment between pin component and the through-hole of non-fragment orbit
It is even to fill up, so that pin component is more firmly followed closely in orbit；Knurling structure is provided in pin body, which can increase
Binding force greatly between pin body and mixed mud, plays better fixed effect；Rubber sleeve is arranged in the end of pin body
And shock absorbing ring, can slow down between metal pin component and mixed mud because collision generate vibrations, to prevent pin component because
It collides and is broken.
Mixed mud base board, mortar bed and the mixed mud track plates that non-fragment orbit is sequentially arranged from lower to upper, mixed mud
Mixed mud track pillow plate has been poured on track plates to be made, and more pins are connected between mixed mud track plates and mixed mud base board
Component, the non-fragment orbit hammered into after the pin component are more firm.
The construction method of non-fragment orbit includes first first laying mixed mud base board, mortar bed and mixed mud track plates；
And pin component is assembled；Then it makes a call to the through-hole that a diameter is more than pin component outer diameter downwards from mixed mud track plates, leads to
Hole extends to mixed mud base board, and pin component is put into through-hole；First connecting section is located in mixed mud track plates, and second
Connecting section is located in mixed mud base board, and the part of intermediate shearing resistance segment is located in mortar bed；Then from the grouting to middle ring
Mixed mud is poured into area, and mixed mud is made to be evenly distributed in the gap between pin and through-hole, mixed mud cooled and solidified；Finally exist
Mixed mud track pillow plate is poured on mixed mud track plates.The II type track plates rebar fastening system pins pair of CRTS after the completion of construction
Mixed mud track plates and mixed mud base board have better fixed effect, and do not allow easy fracture；And the pin component is used
The non-fragment orbit that construction is completed will be consolidated more.
Description of the drawings
The present invention is explained in further detail below with reference to attached drawing and preferred embodiment, but art technology
Personnel it will be appreciated that, these attached drawings are drawn for the purpose for explaining preferred embodiment, and therefore should not be made
For limitation of the scope of the invention.In addition, unless otherwise indicated, attached drawing is only intended to the group for conceptually indicating described object
At or construct and may be shown comprising expansiveness, and attached drawing is also not necessarily drawn to scale.
Fig. 1 is the overall structure diagram of pin component；
Fig. 2 is the assembling figure of pin component；
Fig. 3 is the sectional view of pin feature；
Fig. 4 is the partial sectional view of non-fragment orbit.
Specific implementation mode
Carry out detailed description of the present invention preferred embodiment below with reference to attached drawing.What those of skill in the art will be appreciated that
It is that these descriptions are only descriptive, illustrative, and should not be interpreted as limiting protection scope of the present invention.
Non-fragment orbit includes the mixed mud base board, mortar bed and mixed mud track plates being sequentially arranged from lower to upper, is mixed
Mixed mud track pillow plate is poured on soil track plates, in train or motor-car driving process, mixed mud track plates can be relative to
Mixed mud base board relatively moves, therefore needs between mixed mud track plates and mixed mud base board to arrange numerous pins,
To couple mixed mud track plates with mixed mud base board, avoid that relative displacement occurs between the two.
As shown in Figure 1 to Figure 3, the pin component 1 in the present invention, including II type track plates rebar fastening system pins of CRTS
With to middle ring 3, II type track plates rebar fastening system pins of CRTS include the pin body 2 of round bar shape, and pin body 2 includes tool
The intermediate shearing resistance segment 22 for having the first connecting section 21 of knurling structure 9, surface smooth and the second connecting section with knurling structure 9
23, the end of the first connecting section 21 is equipped with positioning end 4, and positioning end 4 is fixed on to middle ring 3.First connecting section 21, centre are anti-
Shearind section 22 and the second connecting section 23 are made of metal material integrated molding.First connecting section 21, intermediate shearing resistance segment 22 and the
Two connecting sections 23 are driven into non-fragment orbit successively from top to bottom, the knurling structure on the first connecting section 21 and the second connecting section 23
9 be in order to increase the roughness on its surface, after pin body 2 is squeezed into non-fragment orbit, due to the first connecting section 21 and second
There are knurling structures 9 on connecting section 23, and after pouring into mixed mud pulp-water, knurling structure and mixed mud pulp-water binding force are more preferable, to
Pin body 2 is more firmly followed closely in non-fragment orbit, better fixed effect is played.Preferably, pin component 1
Length is 350mm.
The bore of diameter and through-hole to middle ring is substantially suitable, is to 3 main function of middle ring：1, track pin is made to be in mixed
The centre position of the through-hole of soil track plates 71 and mixed mud base board 73, and track pin is made to be in vertical configuration in through-hole
State.2, grout compartment 8 is formed between the rib 31 in middle ring 3, mixed mud slurry can enter through-hole and track pin by grout compartment 8
In the annular gap of nail.
As shown in Fig. 2, including a ring body 32 to middle ring 3, the outer diameter of ring body 32 is suitable with the outer diameter of pin body 2, ring
The outer surface of body 32 is evenly distributed with the rib 31 of radial protrusion, and grout compartment 8 is formed between two ribs 31.The shape of the rib 31
Shape is in shuttle-type, and 31 annular spread of rib is on the outer surface of ring body 32.In construction, first need to get a confession on non-fragment orbit
The diameter of the through-hole that pin component 1 is squeezed into, the through-hole is suitable with the outer diameter of annular spread rib 31, and slightly larger than the pin of round bar shape
Follow closely the outer diameter of ontology 2.Therefore, there are gaps between pin body 2 and the through-hole of non-fragment orbit, by between two ribs 31
Grout compartment 8 be in the milk, mixed mud is evenly distributed in the gap between pin body 2 and through-hole.Usually, the diameter of through-hole is set
It is set to 32mm, the depth of drilling is 390-400mm, and a diameter of 27mm of the pin body 2 of round bar shape.Preferably, in bridge
Drilling depth is 390mm in location, and the depth to drill in roadbed location is 400mm.
Middle ring 3 is made of plastics, which can be PP materials.And to offering a notch in the ring body of middle ring 3
34, make ring body 32 that can be deformed upon under external force extruding.When needing to be inserted in middle ring 3 on positioning end 4, so that it may to squeeze
Pressure brings it about deformation to middle ring 3, is inserted in positioning end 4.
Specifically, as shown in Fig. 2, positioning end 4 includes a positioning terminal 41 and the recess for being connected to the first connecting section 21
Portion 42, the inner wall of ring body 32 is equipped with the ring-like wall 33 of a protrusion, squeezes to middle ring 3, when being inserted on positioning end 4, annular
Wall 33 is stuck in recessed portion 42, and positioning terminal 41 is stuck in one end of annular wall 33, and positioning terminal 41 is no more than to middle ring 3
End outer rim.
As depicted in figs. 1 and 2, the end of the second connecting section 23 is burnishing surface, and the end of the second connecting section 23 is cased with rubber
Set 5, the bottom of rubber sleeve 5 is placed with shock absorbing ring 6.Non-fragment orbit after being open to traffic will produce strong vibrations, and metal is made when vibrations
Pin component 1 and the track of cement production systD between will produce collision, friction and extruding, be easy to cause pin body 2 occur it is disconnected
It splits, and shock absorbing ring 6 is combined with rubber sleeve 5 and is arranged in the end of the second connecting section 23, and damping is played the role of, and avoids pin body
2 unnecessary phenomenon of rupture occurs because of vibrations occurs.Rubber sleeve is soft, with deformable performance, to make up pin
Nail during the installation process because through-hole is crooked etc. reasons are likely to occur the problem of.
As shown in figure 4, II plate-type non-fragment orbits 7 of CRTS, including the mixed mud base board that is sequentially arranged from lower to upper
73, mortar bed 72 and mixed mud track plates 71 have poured mixed mud track pillow plate 74, mixed mud rail on mixed mud track plates 71
More pin components 1 are connected between guidance tape 71 and mixed mud base board 73, the first connecting section 21 is located at mixed mud track plates 71
Interior, the second connecting section 23 is located in mixed mud base board 73, and the part of intermediate shearing resistance segment 22 is located in mortar bed 72.Specifically
Ground, the length of pin component 1 are 350mm, and the depth of drilling is 390-400mm in the depth of drilling, it is preferable that in bridge
Drilling depth on section track is 390mm, and the depth to drill on the track of roadbed location is 400mm.
The construction method of non-fragment orbit：1) mixed mud base board 73, mortar bed 72 and mixed mud track plates are first laid
71；Pin component 1 is assembled；
2) as shown in figure 4, making a call to the through-hole that a diameter is more than 1 outer diameter of pin component downwards from mixed mud track plates 71, lead to
Hole extends to mixed mud base board 73, and pin component 1 is put into through-hole；First connecting section 21 is located at mixed mud track plates 71
Interior, the second connecting section 23 is located in mixed mud base board 73, and the part of intermediate shearing resistance segment 22 is located in mortar bed 72；Specifically
Ground, after pin component 1 squeezes into through-hole, it is 150mm-160mm that the first connecting section 21, which is implanted into the length in mixed mud track plates 71,
It is 30mm that intermediate shearing resistance segment 22, which is implanted into the length in mortar bed 72, and the second connecting section 23 is implanted into mixed mud base board 73
Length is 160-170mm；The depth of through-hole is more than the length of pin component 1, after pin component 1 squeezes into through-hole, the upper end of through-hole
Reserve the gap that one section of depth is 40-50mm.
Preferably, on the non-fragment orbit in bridge location, the first connecting section 21 is implanted into the length in mixed mud track plates 71
For 160mm, it is 160mm that the second connecting section 23, which is implanted into the length in mixed mud base board 73, after pin component 1 squeezes into through-hole, is led to
The depth that the upper end in hole reserves gap is 40mm.
On the non-fragment orbit in roadbed location, it is 150mm that the first connecting section 21, which is implanted into the length in mixed mud track plates 71,
It is 170mm that second connecting section 23, which is implanted into the length in mixed mud base board 73, after pin component 1 squeezes into through-hole, the upper end of through-hole
The depth for reserving gap is 50mm.
3) it is in the milk：Pour into mixed mud from the grout compartment 8 to middle ring 3, make mixed mud be evenly distributed on pin body 2 with
In gap between through-hole, mixed mud cooled and solidified.
4) as shown in figure 4, pouring mixed mud track pillow plate 74 on mixed mud track plates 71.Two mixed mud track pillow plates
It is set to 650mm between 74.
Bore diameter is 32 millimeters, and effective anchorage depth is 150 millimeters, and sample appearance is observed after fatigue test and is become without apparent
Shape, non-functional destroy.Static shear bearing capacity is not less than 110KN after pin anchoring.Pin anchor system lifts the limit on resisting
Force value should be not less than 150KN, and it is 4 hertz to shear cyclic loading (1-41KN) loading frequency through 2,000,000 fatigues, and displacement is not
More than 1 millimeter.
Above to II type track plates rebar fastening system pins of CRTS provided by the present invention and pin component and without tiny fragments of stone, coal, etc. rail
Road and construction method are described in detail, and specific case used herein carries out the principle of the present invention and embodiment
It illustrates, the explanation of above example is only intended to help to understand the present invention and core concept.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and repair
Decorations, these improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (8)
- II type track plates rebar fastening system pins of 1.CRTS, include the pin body of round bar shape, it is characterised in that the pin It includes the intermediate shearing resistance segment for having the first connecting section of knurling structure, surface smooth and second with knurling structure to follow closely ontology Connecting section.
- 2. II type track plates rebar fastening system pins of CRTS according to claim 1, it is characterised in that described first The distal center position of connecting section is equipped with for coupling the positioning end to middle ring, and the positioning end includes a positioning terminal With the recessed portion for being connected to the first connecting section.
- 3. II type track plates rebar fastening system pins of CRTS according to claim 1, it is characterised in that described second The end of connecting section is burnishing surface.
- 4. pin component, including II type track plates rebar fastening system pins of CRTS and to middle ring, the II type tracks of CRTS Plate rebar fastening system pin includes the pin body of round bar shape, it is characterised in that the pin body includes having annular knurl knot The smooth intermediate shearing resistance segment in first connecting section of structure, surface and the second connecting section with knurling structure, described first The end for connecing section is equipped with positioning end, described that the positioning end is fixed on to middle ring.
- 5. pin component according to claim 4, it is characterised in that described includes a ring body, the ring to middle ring The outer diameter of body is suitable with the outer diameter of pin body, and the outer surface of the ring body is evenly distributed with the rib of radial protrusion, two Grout compartment is formed between rib.
- 6. pin component according to claim 5, it is characterised in that it is described that middle ring is made of plastics, and to middle ring A notch is offered in ring body, makes ring body that can be deformed upon under external force extruding.
- 7. pin component according to claim 6, it is characterised in that the positioning end includes a positioning terminal and company It is connected to the recessed portion of the first connecting section, the inner wall of the ring body is equipped with the ring-like wall of a protrusion, and the annular wall is stuck in institute In the recessed portion stated, and the positioning terminal is stuck in one end of annular wall, and the positioning terminal is no more than to middle ring End.
- 8. pin component according to claim 4, it is characterised in that the end of second connecting section is burnishing surface, institute The end for the second connecting section stated covers rubber sleeve, and the bottom of the rubber sleeve is placed with shock absorbing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410009.8A CN108360306A (en) | 2018-05-02 | 2018-05-02 | II type track plates rebar fastening system pins of CRTS and pin component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410009.8A CN108360306A (en) | 2018-05-02 | 2018-05-02 | II type track plates rebar fastening system pins of CRTS and pin component |
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| Publication Number | Publication Date |
|---|---|
| CN108360306A true CN108360306A (en) | 2018-08-03 |
Family
ID=63011595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410009.8A Pending CN108360306A (en) | 2018-05-02 | 2018-05-02 | II type track plates rebar fastening system pins of CRTS and pin component |
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| CN (1) | CN108360306A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111287027A (en) * | 2020-02-27 | 2020-06-16 | 中铁第四勘察设计院集团有限公司 | Rail transit structure |
| CN111287026A (en) * | 2020-02-26 | 2020-06-16 | 中铁第四勘察设计院集团有限公司 | Ballastless track passing through tunnel and implementation method thereof |
| CN111287028A (en) * | 2020-02-27 | 2020-06-16 | 中铁第四勘察设计院集团有限公司 | Rail transit |
| CN111287023A (en) * | 2020-02-19 | 2020-06-16 | 中铁第四勘察设计院集团有限公司 | Anchor bolt and ballastless track |
| CN112962359A (en) * | 2021-02-25 | 2021-06-15 | 中铁二十局集团有限公司 | Ballastless track bed board connecting structure and construction method |
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| CN111287026B (en) * | 2020-02-26 | 2021-11-16 | 中铁第四勘察设计院集团有限公司 | Ballastless track passing through tunnel and implementation method thereof |
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