CN106012697A - Ballastless track roadbed high polymer injection lifting method - Google Patents
Ballastless track roadbed high polymer injection lifting method Download PDFInfo
- Publication number
- CN106012697A CN106012697A CN201610370638.3A CN201610370638A CN106012697A CN 106012697 A CN106012697 A CN 106012697A CN 201610370638 A CN201610370638 A CN 201610370638A CN 106012697 A CN106012697 A CN 106012697A
- Authority
- CN
- China
- Prior art keywords
- roadbed
- high polymer
- lifting
- injected hole
- grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000002347 injection Methods 0.000 title abstract description 18
- 239000007924 injection Substances 0.000 title abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 63
- 239000004575 stone Substances 0.000 claims abstract description 41
- 238000007569 slipcasting Methods 0.000 claims description 68
- 230000000694 effects Effects 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 3
- 230000010339 dilation Effects 0.000 claims description 3
- 230000009191 jumping Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 17
- 239000012634 fragment Substances 0.000 description 15
- 239000002002 slurry Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011440 grout Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241001669679 Eleotris Species 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/08—Deep or vertical foundation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention provides a ballastless track roadbed high polymer injection lifting method. A roadbed at least comprises a graded broken stone layer, a supporting board and a roadbed slab from bottom to top. The method includes the following steps that firstly, an injection region and the lifting amount are determined; secondly, the positions of injection holes are marked, and the graded broken stone layer is drilled to certain depth to form the injection holes, wherein when a non-curve segment of the roadbed is lifted, the surface of the roadbed slab is perpendicularly drilled to form the injection holes in the middle of the roadbed, and the positions from the supporting board to the middle of the roadbed are obliquely drilled to form the injection holes in the two sides of the roadbed; thirdly, injection pipes are inserted in the injection holes to the bottoms of the injection holes; and fourthly, high-pressure injection equipment is adopted for injecting a high polymer injection material into the graded broken stone layer through the injection pipes, so that the roadbed is lifted. By the adoption of the method, the problem about poor ballastless track structure line smoothness caused by roadbed settlement is effectively solved.
Description
Technical field
The present invention relates to high-speed railway field, particularly to be that a kind of ballastless track roadbed high polymer grouting is lifted
Lifting method, is suitable for CRTS II plate-type non-fragment orbit, double-block type ballastless track structure, double containing end carriage
The multiple ballastless track structures such as block type ballastless track structure and switch area long sleeper buried-type ballastless track structure
Lifting.
Background technology
Shanghai-Hangzhou visitor specially all have employed CRTS (plate-type ballastless track) II plate-type without the tiny fragments of stone, coal, etc. in process of construction
Track structure.For comparing Ballast track structure, the globality of CRTS II plate-type ballastless track structure makes
It has significant advantage at the aspect such as stability, road-ability, but, globality also limit simultaneously
The Track regularity of CRTS II plate-type ballastless track structure can repair ability.For CRTS II plate-type
For ballastless track structure, it can only allow to carry out the injustice of circuit is pliable in adjustable extent at fastener system
Repair, when guideway irregularity exceedes the adjustable range of fastener system, CRTS II plate-type non-fragment orbit
The Track regularity of structure will be faced with a difficult problem for unrepairable, bring circuit normal operation and have a strong impact on.
In consideration of it, Shanghai-Hangzhou visitor is specially in process of construction, the construction quality of ground, roadbed is carried out strict control,
To controlling the settlement amount after construction of circuit, it is ensured that the ride comfort of ballastless track structure.But, due to geology bar
The particularity of part, after Shanghai-Hangzhou visitor specially puts into effect, the uncontrollable settlement after construction and thus that ground, roadbed produce
The subject matter that the guideway irregularity problem caused faces during becoming Shanghai-Hangzhou visitor specially operation, Local topography sinks
The adjustment amount that fall amount has allowed beyond fastener, to Shanghai-Hangzhou visitor specially road-ability, overall trip speed, operation peace
Congruence brings adverse effect.Additionally, to heavy after opening the work of the non-fragment orbit circuit ground of operation, roadbed
Fall control effectively, and is controlled, still especially for the ground of soft soil zone, the settlement after construction of roadbed
It is to put the difficult problem in face of at home and abroad scientific worker, still there is no effective solution, therefore, for just
For the circuit that uncontrollable settlement after construction location persistently occurs, its settling amount exceeds fastener system adjustable amount
A simply matter of time.
At present, CRTS II plate-type brought beyond fastener system adjustable amount for settlement amount after construction is without the tiny fragments of stone, coal, etc.
Track structure guideway irregularity problem, China takes at the mode increasing fastener system adjustable amount
Reason, this can recover the ride comfort of track structure to a certain extent.But, increase fastener system adjustable
After amount, the cushion block of fastener system need to use overall cushion block to safeguard the stability of track structure, due to differently
The settling amount of point is different, the variable thickness sample of the overall cushion block used by each fastener system, so, different
Overall cushion block is both needed to independent die sinking and makes, with high costs, additionally, fastener system adjustable amount increases amplitude is
Limited, for the track structure persistently sunk with the prolongation of service time, this processing mode also has
There is limitation.Take slurry injection technique that track structure carries out lifting, recover circuit elevation and fastener system lifting
Amount becomes the inevitable choice safeguarding non-fragment orbit normal operation.
Summary of the invention
The technical problem to be solved is to provide a kind of ballastless track roadbed high polymer grouting lifting side
Method, effectively solves the ballastless track structure Track regularity problem caused based on subgrade settlement.
For solving the problems referred to above, the present invention proposes a kind of ballastless track roadbed high polymer grouting lifting method, institute
Stating roadbed and the most at least include graded broken stone layer, gripper shoe and road bed board, the method comprises the following steps:
S1: determine slip casting region and Uplifting amount；
S2: mark injected hole position, holes to certain depth in graded broken stone layer to form injected hole, its
In, when the non-curved section of roadbed is carried out lifting, the injected hole in the middle of roadbed vertically pierces from road bed board surface
Being formed, the injected hole of roadbed both sides pierces formation from gripper shoe towards roadbed centre is oblique；
S3: Grouting Pipe is inserted in injected hole, until the bottom of injected hole；
S4: use high-pressure slip-casting equipment, by described Grouting Pipe, high polymer grouting material is injected into grating broken
In rock layers, to realize the lifting of roadbed.
According to one embodiment of present invention, in described step S4, the Uplifting amount of single slip casting is less than
2cm, when Uplifting amount exceedes, carries out lifting several times.
According to one embodiment of present invention, in described step S4, high-pressure slip-casting equipment is used to pass through institute
State Grouting Pipe high polymer grouting material is injected in graded broken stone layer be divided into filling the compacted stage fill out with lifting
Fill the stage；
In the described filling compacted stage, high polymer grouting material is after the slip casting mouth of pipe flows out, at grouting pressure
Under effect, spread and infiltrate in the internal voids of graded broken stone layer, filling the internal voids of graded broken stone layer
And consolidate formation structure, to become one compressible but impermeable by compacted for the graded broken stone layer in range of scatter
Entirety, thus between graded broken stone layer and the gripper shoe near the slip casting mouth of pipe formed confined space；
In the described lifting filling stage, high polymer grouting material flows out from the slip casting mouth of pipe, enters described airtight
Space forms capsule liquid, under the hydraulic drive effect effect of grouting pressure, forms lifting force so that roadbed lifting.
According to one embodiment of present invention, the position of the injected hole in the middle of roadbed is arranged on road bed board adjacent
The center of the axis that track is symmetrical, the spacing of injected hole is the spacing of adjacent two track unit
Or be its positive integer times.
According to one embodiment of present invention, the injected hole in slip casting region is arranged with the form of quincuncial pile, respectively notes
The shape in slurry hole is quincunx.
According to one embodiment of present invention, the dilation angle of high polymer grouting material is at 0.65m～1.62m
Between.
According to one embodiment of present invention, when the curved section of roadbed is carried out lifting, the slip casting of roadbed downside
Boring ratio roadbed high side injected hole is deeper into graded broken stone layer.
According to one embodiment of present invention, the rise time of high polymer grouting material in the range of 5s～15s,
Surface drying time is in the range of 10s～35s.
According to one embodiment of present invention, filling injected hole by jumping hole mode and carry out slip casting, grouting sequence is
The inclined hole of roadbed both sides in one group is first filled with, then the injected hole in the middle of roadbed is filled with, connects
And again the inclined hole of another adjacent roadbed both sides organized is filled with, by that analogy.
According to one embodiment of present invention, after described step S4, step S5 is also included, in slip casting district
After territory slip casting completes, remove Grouting Pipe, and use strength grade to be not less than the rapid-hardening microdilatancy sand of C30
Injected hole is blocked by slurry.
After using technique scheme, the present invention has the advantages that compared to existing technology
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the ballastless track roadbed high polymer grouting lifting method of the embodiment of the present invention；
Fig. 2 a, 2b are the knots before and after the ballastless track roadbed of the embodiment of the present invention carries out high polymer grouting lifting
Structure schematic diagram；
Fig. 3 is that the curved section of the ballastless track roadbed of the embodiment of the present invention is when carrying out high polymer grouting lifting
Structural representation.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right
The detailed description of the invention of the present invention is described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention.But the present invention
Can implement to be much different from alternate manner described here, those skilled in the art can without prejudice to
Doing similar popularization in the case of intension of the present invention, therefore the present invention is not by the following public limit being embodied as
System.
Ballastless track roadbed high polymer grouting lifting method is suitable for CRTS II plate-type non-fragment orbit, double
Block type ballastless track structure, containing end carriage double-block type ballastless track structure and switch area long sleeper buried-type non-fragment orbit
The lifting of the multiple ballastless track structure such as structure.For switch area ballastless track structure, its slip-casting lifting technique
Also include confining bed cutting and cut, identical with other track structure forms aforementioned to realize.
In a broad sense, when one (or more) liquid or many kinds of solids mixture, the most permissible
Forming (newly) solid, this kind of material is known as injecting paste material.It is presently used for the injecting paste material of maintenance of works
Mainly there are cement mortar, clay cement grout, cement-silicate serosity, waterglass, high polymer grouting material etc..
The present invention uses high polymer grouting material.High polymer grouting know-why is according to a certain ratio,
In ground, inject many component high polymers material, material react after rapid spatial expansion form cystose
Solid, reaches consolidated subsoil, fills the purpose come to nothing.The major advantage of high polymer grouting technology includes: high
The solid material density formed after polymers reaction is low, and the density of material of good mixing is less than the ten of the materials such as cement
/ mono-；The elative free swelling ratio of high polymer material can reach 20:1, can fill the crack in roadbed, with
Time can extrude surrounding medium, reach compact medium effect；High polymer material curing rate is fast, can be in reaction
The 90% of its final solidification intensity is reached in latter 15 minutes.Material has good elasticity, and has higher
Tensile strength；Using mobile operational process mode, work progress is quick, it is not necessary to health preserving as cement grouting,
The engineering time can be shortened greatly；Injected hole size is little, about 16mm, to structure substantially without damaging；Solidification
Rear material has good water resistance, environmentally safe, and materials ' durability reaches more than 20 years.Gao Ju
Thing injecting paste material is preferably bi-component non-aqueous reaction class rigid polyurethane foam.
Referring to Fig. 1, the ballastless track roadbed high polymer grouting lifting method of the present embodiment, comprise the following steps:
S1: determine slip casting region and Uplifting amount；
S2: mark injected hole position, holes to certain depth in graded broken stone layer to form injected hole, its
In, when the non-curved section of roadbed is carried out lifting, the injected hole in the middle of roadbed vertically pierces from road bed board surface
Being formed, the injected hole of roadbed both sides pierces formation from gripper shoe towards roadbed centre is oblique；
S3: Grouting Pipe is inserted in injected hole, until the bottom of injected hole；
S4: use high-pressure slip-casting equipment, by described Grouting Pipe, high polymer grouting material is injected into grating broken
In rock layers, to realize the lifting of roadbed.
Below in conjunction with the accompanying drawings, the concrete mode of ballastless track roadbed high polymer grouting lifting method is carried out in detail
Description.
In step S1, before mortar depositing construction, omnidistance circuit ballastless track roadbed sets up accurate measurement net, adopts
With electronic level and total powerstation, track plan and altitude data are acquired, determine slip casting region, and note
The initial elevation of each track and orbit plane position in slurry region, so that it is determined that the Uplifting amount of relevant position.
Referring to Fig. 2 a, before slip casting, ballastless track roadbed the most at least includes graded broken stone layer
1, gripper shoe 2 and road bed board 3.Ground is presented herein below at graded broken stone layer 1.Road bed board 3 also can have
There are other layers.In step S2, on the basis of determining slip casting section, carry out injected hole layout design, mark
Know injected hole position.Electric hammer drill is used to hole according to the injected hole of mark.To roadbed (indication of the present invention
Roadbed has referred to the track bed of track structure) non-curved section (linear section) when carrying out lifting,
Injected hole (centre bore) in the middle of roadbed vertically pierces formation, the slip casting of roadbed both sides from road bed board 3 surface
Hole (inclined hole) pierces formation from gripper shoe 2 towards roadbed centre is oblique.
Referring to Fig. 3, in one embodiment, when the curved section of track bed is carried out lifting, roadbed downside
Injected hole than roadbed high side injected hole deeper into graded broken stone layer 1.Use this deep hole, off normal grouting process
When curved section is carried out slip casting, action of gravity can be overcome, in effectively solving after curved section track structure lifting
Line offset problem, the extreme enrichment range of application of slip-casting lifting technology.
During injected hole layout design, row's injected hole is respectively set up in the heart and circuit both sides the most in the line, and should fill
Divide the reinforcement location considering the track structure such as track plates, bedplate, in order to avoid damage reinforcing bar during boring, at track
The facilities such as the precracking of plate, track, fastener, track, transponder, track circuit are occupied the most not
Lay injected hole, and should reduce as far as possible have drilling hole amount on the track structure of deformed bar at track plates etc..
During boring, first hole with relatively stub drill, then hole by relatively long drill bit, until being drilled into deeply
Graded broken stone layer 1 certain depth.After having holed, should clear up in time, collect the dust got out, prevent dirt
Dye site environment, and should use glass cement or stopper that injected hole is carried out temporary enclosed, prevent rainwater and impurity
Enter.
With continued reference to Fig. 2 a, in step s3, before slip casting, Grouting Pipe 100 is inserted in injected hole,
Until the bottom of injected hole, thus Grouting Pipe 100 mouth of pipe arrives in graded broken stone layer at certain depth, wherein,
For straightway injected hole, Grouting Pipe 100 typically gos deep into graded broken stone about 3cm～7cm, for
For curved section downside injected hole, Grouting Pipe 100 typically gos deep into more than graded broken stone 20cm.
When needing mortar depositing construction, first the glass cement or stopper of closing injected hole are cleaned out, by Grouting Pipe
100 insert in injected hole, clamp the outer tube of Grouting Pipe 100 with locking pliers, then twist Grouting Pipe 100 with spanner
The nut on top, makes outer tube extruding rubber tube make rubber tube produce and expands, thus block Grouting Pipe 100 and note
Gap between slurry hole, prevents serosity from emitting on Grouting Pipe outer wall.The Grouting Pipe 100 of inclined hole can be in boring
After install immediately, the Grouting Pipe 100 of centre bore need to be installed on the same day of mortar depositing construction, Yi Mianying
Ring traffic safety.
In step s 4, when track structure is carried out slip-casting lifting, high-pressure slip-casting equipment is used to be gathered by height
Thing injecting paste material Grouting Pipe 100 note being deep into certain depth in graded broken stone layer 1 by pre-plugged
Enter, under the expansion of grouting pressure and injection slurry, it is achieved the lifting to track bed.Referring to figure
2b, after high polymer grouting material injects, fills space and forms graded broken stone layer 1 ', and at graded broken stone
High polymer grouting material layer 4 is formed between layer 1 ' and gripper shoe 2.High polymer grouting material is a kind of double group
Part chemical slip casting material, after mixing, bubbles rapidly between the A that is in a liquid state under room temperature, B two-component, solidifying
Glue chemical reaction, forms the foams of solid-state and releases substantial amounts of heat, therefore, is using high polymer grouting
When material carries out track structure lifting, the high polymer grouting material of injection can occur in the short period of time from viscous
Spend less liquid and be changed into the plasticity viscoelastic body that viscosity is bigger, then be changed into there is certain mechanical strength
Solid.
High polymer grouting lifting technique be successfully realized in Window time to CRTS II plate-type non-fragment orbit,
Double-block type ballastless track structure, containing end carriage double-block type ballastless track structure and switch area long sleeper buried-type without tiny fragments of stone, coal, etc. rail
The accurate lifting of road structure etc., during lifting, upper and lower line alignment control is good, is satisfied by row on the same day
Condition opened by car.The lifting that this high polymer grouting lifting technique is applicable to above-mentioned multiple ballastless track structure is executed
Work, can be widely applied to settle the lifting construction of non-fragment orbit.
After each slip casting point slip casting completes, speeder wrench is used to unclamp rapidly clamp nut in Grouting Pipe 100,
The rubber tube making Grouting Pipe 100 freely stretches, and then clamps Grouting Pipe with two locking pliers and firmly extracts.Note
Slurry pipe should be extracted after each slip casting position slip casting completes as early as possible, it is to avoid overlong time injecting paste material solidifies slip casting
Pipe 100 anchoring causes that Grouting Pipe 100 is bad extracts.Can not extract in time if any indivedual Grouting Pipe 100, can
By special pipe extractor, Grouting Pipe 100 is extracted.
In one embodiment, the most also include step S5, after the slip casting of slip casting region completes,
Remove Grouting Pipe 100, and injected hole is entered by the rapid-hardening microdilatancy mortar using strength grade to be not less than C30
Row closure.Lifting paragraph circuit is after repetition measurement meets requirement, and reply injected hole blocks.Road bed board 3
During the closure of upper injected hole, injected hole is filled with by a small amount of non-shrink mortar of Ying Xianyong, then uses bar planting
Glue blocks, and anchoring adhesive sealed depth is not preferably less than 15cm.
During the lifting carrying out ballastless track structure each lifting unit, single rising height is the biggest, executes
Work efficiency rate is the highest, but is not that single rising height is the biggest the best.Due in slip-casting lifting work progress,
Track plates (or road bed board 3), bedplate (or support plate 2) are internal can produce stress, the size of stress with
Once maximum Uplifting amount is relevant, for avoiding producing the structure such as track plates, seat concrete during lifting
Damage, needs to carry out that once maximum Uplifting amount is carried out inspection and calculates, prevent track plates quilt or support plate by drawing crack.
To this end, in step s 4, single slip-casting lifting amount is preferably 5～10mm, and the Uplifting amount of single slip casting does not surpasses
Cross 2cm, when Uplifting amount exceedes, carry out lifting several times.
For guaranteeing the high polymer grouting material full property bottom support plate 2, for high polymer grouting material
Character, studies high polymer grouting material rheological behaviour during lifting and uplifting mechanism, according to slip casting
Material forms the pattern of structure and performs grouting process with the change of the bonding state of graded broken stone.
It is also preferred that the left in step s 4, use high-pressure slip-casting equipment by Grouting Pipe by high polymer grouting material
It is injected in graded broken stone layer 1, is further divided into filling compacted stage and lifting filling stage.Fill compacted
Stage may each comprise repeatedly slip casting circulation with the lifting filling stage.Repeatedly slip casting circulation ensures that realization is filled compacted
Stage fills the stage with lifting, the change that high polymer grouting material occurs with graded broken stone layer 1, thus slowly
Lifting track bed.
In filling the compacted stage, high polymer grouting material is after the slip casting mouth of pipe flows out, in grouting pressure effect
Under, (graded broken stone is a kind of bulk solid structure, interior to spread and infiltrate into the internal voids of graded broken stone layer 1
There is bigger space in portion) in, fill the internal voids of graded broken stone layer 1 and consolidate formation structure 1,
By compacted for the graded broken stone layer 1 ' in the range of scatter compressible but impermeable entirety that becomes, thus
Confined space is formed between graded broken stone layer 1 ' and gripper shoe 2 near the slip casting mouth of pipe.Fill the compacted stage,
Grouting pressure is cut down rapidly at outlet spout, and cannot form enough lifting force between injection slurry to upper track knot
Structure carries out lifting.The slurry injected a range of level near grout outlet rapidly under grouting pressure effect
Joining in rubble space and spread, rapidly solidified formation structure also produces expansion, by the graded broken stone of range of scatter
Compacted and form a compressible but impermeable entirety, in grout outlet certain limit and upper track structure
Together form a confined space.
In the lifting filling stage, high polymer grouting material flows out from the slip casting mouth of pipe, enters confined space and is formed
Capsule liquid 4, under the hydraulic drive effect effect of grouting pressure, forms lifting force so that roadbed lifting.For
For each slip casting circulation, injection slurry is under grouting pressure effect, quickly centered by grout outlet outwards
Extension, fills the space formed after track structure lifting and between graded broken stone layer 1, and be thickened rapidly, expand,
Solidification, before next slip casting circulation arrives, re-forms new confined space at grout outlet.The most repeatedly,
The slip casting stage that track structure is able to each slip casting circulates is continuously obtained lifting.And circulate in each slip casting
Stop phase, injects slurry and produces volumetric expansion during forming structure, in upper track structure
Under constraint, form certain expansive force, make track structure be able to lifting.
Injected hole avoid the reinforcing bar on road bed board 3, in order to avoid track structure brings damage shadow when arranging
Ring.According to the construction features of CRTS II plate-type non-fragment orbit, symmetrical track axis on road bed board 3
Line center, and road bed board 3 precracking position, steel bar arrangement is less, can be as far as possible when boring
Avoid trauma reinforcing bar.And the spacing of adjacent two the track unit of road bed board 3 is 0.65m, therefore, roadbed
The position of middle injected hole is preferably provided at the center of the axis that adjacent support rails platform is symmetrical on road bed board 3
Position, the spacing of injected hole is the spacing of adjacent two track unit or is adjacent two track unit
The positive integer of spacing times.
According to the expanded configuration of serosity sub-circular, injected hole line-spacing should preferably be arranged by quincuncial pile form
Putting, the shape of each injected hole, preferably in quincunx, utilizes minimum injecting paste material at fragment-free track slab to obtain
The optimal filling effect of lower support layer.
The track plates width of CRTS II plate-type non-fragment orbit is 2.55m, concrete bed or support plate width
For 3.25m.Injecting paste material is the most rounded in the extension of concrete bed or supporting course bottom.Therefore, note
The minimal expansion radius of pulp material should be the integral multiple of 0.37m or 0.37m.The extension radius of injecting paste material
The least, the workload carried out needed for scene is the biggest, and the time that construction is also consumed is the longest, its efficiency of construction
Also will have a greatly reduced quality；Otherwise, injecting paste material extension radius is the biggest, and efficiency of construction is the highest.But it is not slip casting
The extension radius of material is the biggest the best, when the extension radius of injecting paste material exceedes a half width of supporting course
Time, injecting paste material is easy for spilling from the supporting course of ballastless track structure bottom, can cause between line or outside line
The arch camber of track structure.Therefore, the extension radius of injecting paste material should be less than 1.62m.Therefore, high polymer
The dilation angle of injecting paste material is preferably between 0.65m～1.62m.
Preferably, the rise time of high polymer grouting material is in the range of 5s～15s, the scope of surface drying time
For 10s～35s.When the service behaviour of high polymer grouting material is typically with rise time, wire drawing time and surface drying
Between characterize.Wherein, rise time refers to occur foamable reaction to produce volume between high polymer grouting material bi-component
Expansion and viscosity start the time increased；The wire drawing time refers to that material produces gelling, and surface can time of wire drawing；
Surface drying time refer to mixed serum produce maximum volume expand, become solid lose flowability completely and surface not
The time of viscous hands.Chemical reaction rate between rise time and surface drying time reflection injecting paste material bi-component, two
Person is the most relevant with the service behaviour of high polymer grouting material, and rise time and the too fast meeting of surface drying time cause filling
Fill out radius less, affect filling effect；Rise time and surface drying time are crossed and can be caused the injecting paste material can be everywhere slowly
Trickling, from the problem overflowed at the bottom of bedplate, therefore, suitable rise time and surface drying time are high polymer notes
The important embodiment of pulp material works fine performance.
During slip casting, first carry out slip-casting lifting from middle injected hole, then centered by it, symmetrical enter
The slip casting of other injected hole of row, then carries out secondary injected hole slip casting, to realize the lifting of track structure；When
After track structure reaches target elevation, for realizing the turgor of high polymer grouting material, injected hole should be carried out
Filling, fill injected hole by jumping hole mode and carry out slip casting, grouting sequence is to roadbed both sides oblique in a group
Hole is first filled with, and is then filled with the injected hole in the middle of roadbed, the most again to another adjacent group
The inclined hole of roadbed both sides is filled with, by that analogy.During each injected hole slip casting, use electronic leveler
The different measuring points Uplifting amount of track plates center line and left and right sides track before and after slip casting is monitored by instrument, when this point
After track structure elevation reaches requirement, stop slip casting.
There is techniques below feature:
(1) in being applicable to Window time, sedimentation non-fragment orbit is carried out lifting reparation, can timely open to traffic.
(2) track structure stress is not affected, the least to ballastless track structure damage.
(3) lifting control accuracy is-3mm～1mm, and slip-casting lifting construction period Rail inspection does not surpasses
Cross II grade and with the upper deviation.
(4) injecting paste material service behaviour is superior, mechanical property is suitable, endurance quality is good；Grouting equipment
Small volume and less weight, efficient quick；Grouting process is simple and practical, workable.
(5) be applicable to CRTS I, II, III plate-type and double-block type ballastless track structure (containing end carriage),
The overall lifting reparation of the decanting zone non-fragment orbits such as track switch.
Although the present invention is open as above with preferred embodiment, but it is not for limiting claim, any
Those skilled in the art without departing from the spirit and scope of the present invention, can make possible variation and repair
Changing, therefore protection scope of the present invention should be defined in the range of standard with the claims in the present invention.
Claims (10)
1. a ballastless track roadbed high polymer grouting lifting method, described roadbed the most at least includes level
Join metalling, gripper shoe and road bed board, it is characterised in that the method comprises the following steps:
S1: determine slip casting region and Uplifting amount；
S2: mark injected hole position, holes to certain depth in graded broken stone layer to form injected hole, its
In, when the non-curved section of roadbed is carried out lifting, the injected hole in the middle of roadbed vertically pierces from road bed board surface
Being formed, the injected hole of roadbed both sides pierces formation from gripper shoe towards roadbed centre is oblique；
S3: Grouting Pipe is inserted in injected hole, until the bottom of injected hole；
S4: use high-pressure slip-casting equipment, by described Grouting Pipe, high polymer grouting material is injected into grating broken
In rock layers, to realize the lifting of roadbed.
2. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
In described step S4, the Uplifting amount of single slip casting is less than 2cm, when Uplifting amount exceedes, several times
Carry out lifting.
3. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
In described step S4, high-pressure slip-casting equipment is used to be injected by high polymer grouting material by described Grouting Pipe
The filling compacted stage it is divided into fill the stage with lifting to graded broken stone layer；
In the described filling compacted stage, high polymer grouting material is after the slip casting mouth of pipe flows out, at grouting pressure
Under effect, spread and infiltrate in the internal voids of graded broken stone layer, filling the internal voids of graded broken stone layer
And consolidate formation structure, to become one compressible but impermeable by compacted for the graded broken stone layer in range of scatter
Entirety, thus between graded broken stone layer and the gripper shoe near the slip casting mouth of pipe formed confined space；
In the described lifting filling stage, high polymer grouting material flows out from the slip casting mouth of pipe, enters described airtight
Space forms capsule liquid, under the hydraulic drive effect effect of grouting pressure, forms lifting force so that roadbed lifting.
4. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
The position of the injected hole in the middle of roadbed is arranged on the centre bit of the axis that adjacent support rails platform is symmetrical on road bed board
Putting, the spacing of injected hole is the spacing of adjacent two track unit or is its positive integer times.
5. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
The injected hole in slip casting region is arranged with the form of quincuncial pile, and the shape of each injected hole is quincunx.
6. the ballastless track roadbed high polymer grouting lifting method as described in claim 1,4 or 5, it is special
Levying and be, the dilation angle of high polymer grouting material is between 0.65m～1.62m.
7. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
When the curved section of roadbed is carried out lifting, the injected hole of roadbed downside than roadbed high side injected hole deeper into grating
Metalling.
8. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
The rise time of high polymer grouting material in the range of 5s～15s, surface drying time in the range of 10s～35s.
9. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
Filling injected hole and carry out slip casting by jumping hole mode, grouting sequence is first to carry out the inclined hole of roadbed both sides in a group
Fill, then the injected hole in the middle of roadbed is filled with, the most again the roadbed both sides to another adjacent group
Inclined hole be filled with, by that analogy.
10. ballastless track roadbed high polymer grouting lifting method as claimed in claim 1, it is characterised in that
After described step S4, also include step S5, after the slip casting of slip casting region completes, remove Grouting Pipe, and
Injected hole is blocked by the rapid-hardening microdilatancy mortar using strength grade to be not less than C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610370638.3A CN106012697B (en) | 2016-05-30 | 2016-05-30 | Ballastless track roadbed high polymer grouting lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610370638.3A CN106012697B (en) | 2016-05-30 | 2016-05-30 | Ballastless track roadbed high polymer grouting lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012697A true CN106012697A (en) | 2016-10-12 |
| CN106012697B CN106012697B (en) | 2018-10-16 |
Family
ID=57092649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610370638.3A Expired - Fee Related CN106012697B (en) | 2016-05-30 | 2016-05-30 | Ballastless track roadbed high polymer grouting lifting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106012697B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702835A (en) * | 2016-12-29 | 2017-05-24 | 中铁第四勘察设计院集团有限公司 | Repairing method for settling ballastless track |
| CN106702834A (en) * | 2016-12-28 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Midline deviation rectifying method for sedimentary offset ballastless track |
| CN106758591A (en) * | 2017-01-09 | 2017-05-31 | 北京瑞威铁科高铁工程有限公司 | A kind of non-fragment orbit slip-casting lifting and lifting method for correcting error |
| CN107059496A (en) * | 2017-01-09 | 2017-08-18 | 北京瑞威铁科高铁工程有限公司 | A kind of track road-bridge transition section slip casting correction lifting method |
| CN107165035A (en) * | 2017-06-30 | 2017-09-15 | 郑州陆得新基础工程有限公司 | Airfield pavement plat-bottom escape Treatment Methods |
| CN109778619A (en) * | 2019-01-25 | 2019-05-21 | 北京瑞威世纪铁道工程有限公司 | Empty construction method is hung between processing concrete bottom seat board and bedding graded broken stone surface layer |
| CN111749198A (en) * | 2020-05-30 | 2020-10-09 | 郑州安源工程技术有限公司 | Channel slab underwater grouting stabilizing and lifting method |
| CN113802424A (en) * | 2021-09-22 | 2021-12-17 | 西南交通大学 | Sedimentation bag type grouting lifting repair method for ballastless track of high-speed railway |
| CN114541191A (en) * | 2022-03-22 | 2022-05-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for accurately lifting ballastless single turnout during high-speed rail settlement |
| CN114575204A (en) * | 2022-03-22 | 2022-06-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Accurate lifting method for turnout of ballastless crossover line for settlement of operating high-speed rail |
| CN114808576A (en) * | 2022-05-06 | 2022-07-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for lifting ballastless track structure containing end beam under operation high-speed rail |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074828A (en) * | 2013-01-24 | 2013-05-01 | 北京安通伟业铁路工务技术有限公司 | System and method for lifting sunken railway ballastless track bed by utilizing injection method |
| CN203034319U (en) * | 2013-01-24 | 2013-07-03 | 北京安通伟业铁路工务技术有限公司 | System for lifting railway ballastless track by applying injection method in the case of track bed subsidence |
| CN103410063A (en) * | 2013-08-29 | 2013-11-27 | 中国铁道科学研究院铁道建筑研究所 | Grouting lifting rapid renovating technologies for ballastless track sedimentation |
| US20140314502A1 (en) * | 2013-04-19 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for uplifting ballastless track of high-speed rail |
| CN104131498A (en) * | 2014-08-12 | 2014-11-05 | 中国铁道科学研究院铁道建筑研究所 | Lifting repair method for ballastless track with settled curved section |
| CN104131499A (en) * | 2014-08-12 | 2014-11-05 | 中国铁道科学研究院铁道建筑研究所 | Deviation correcting method for ballastless track center line deviation caused by subsidence |
| CN104153259A (en) * | 2014-08-20 | 2014-11-19 | 中国铁道科学研究院铁道建筑研究所 | Rapid repairing method for sunken ballastless track through grouting lifting |
| CN104404844A (en) * | 2014-11-18 | 2015-03-11 | 中国铁道科学研究院铁道建筑研究所 | Method for repairing and reinforcing open joint of filling layer of slab ballastless track |
| CN104452484A (en) * | 2014-11-10 | 2015-03-25 | 中国铁道科学研究院铁道建筑研究所 | Repair method for ballastless track foundation settlement |
| CN105484110A (en) * | 2015-11-24 | 2016-04-13 | 北京瑞威铁科高铁工程有限公司 | Renovating method for gaps and mud spillover between CRTSI template type ballastless track base plate and surface layer of roadbed of high-speed railway |
-
2016
- 2016-05-30 CN CN201610370638.3A patent/CN106012697B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074828A (en) * | 2013-01-24 | 2013-05-01 | 北京安通伟业铁路工务技术有限公司 | System and method for lifting sunken railway ballastless track bed by utilizing injection method |
| CN203034319U (en) * | 2013-01-24 | 2013-07-03 | 北京安通伟业铁路工务技术有限公司 | System for lifting railway ballastless track by applying injection method in the case of track bed subsidence |
| US20140314502A1 (en) * | 2013-04-19 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for uplifting ballastless track of high-speed rail |
| CN103410063A (en) * | 2013-08-29 | 2013-11-27 | 中国铁道科学研究院铁道建筑研究所 | Grouting lifting rapid renovating technologies for ballastless track sedimentation |
| CN104131498A (en) * | 2014-08-12 | 2014-11-05 | 中国铁道科学研究院铁道建筑研究所 | Lifting repair method for ballastless track with settled curved section |
| CN104131499A (en) * | 2014-08-12 | 2014-11-05 | 中国铁道科学研究院铁道建筑研究所 | Deviation correcting method for ballastless track center line deviation caused by subsidence |
| CN104153259A (en) * | 2014-08-20 | 2014-11-19 | 中国铁道科学研究院铁道建筑研究所 | Rapid repairing method for sunken ballastless track through grouting lifting |
| CN104452484A (en) * | 2014-11-10 | 2015-03-25 | 中国铁道科学研究院铁道建筑研究所 | Repair method for ballastless track foundation settlement |
| CN104404844A (en) * | 2014-11-18 | 2015-03-11 | 中国铁道科学研究院铁道建筑研究所 | Method for repairing and reinforcing open joint of filling layer of slab ballastless track |
| CN105484110A (en) * | 2015-11-24 | 2016-04-13 | 北京瑞威铁科高铁工程有限公司 | Renovating method for gaps and mud spillover between CRTSI template type ballastless track base plate and surface layer of roadbed of high-speed railway |
Non-Patent Citations (3)
| Title |
|---|
| 张国全: "高速铁路无砟轨道整体抬升技术探析", 《山西建筑》 * |
| 王士杰: "遂渝铁路无砟轨道病害原因分析及治理措施", 《路基工程》 * |
| 马斌: "高聚物注浆抬升技术在无砟轨道沉降整治中的应用", 《上海铁道科技》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702834A (en) * | 2016-12-28 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Midline deviation rectifying method for sedimentary offset ballastless track |
| CN106702835B (en) * | 2016-12-29 | 2018-07-03 | 中铁四院集团岩土工程有限责任公司 | A kind of restorative procedure for being used to settle non-fragment orbit |
| CN106702835A (en) * | 2016-12-29 | 2017-05-24 | 中铁第四勘察设计院集团有限公司 | Repairing method for settling ballastless track |
| CN106758591B (en) * | 2017-01-09 | 2019-07-26 | 北京瑞威铁科高铁工程有限公司 | A kind of non-fragment orbit slip-casting lifting and lifting method for correcting error |
| CN106758591A (en) * | 2017-01-09 | 2017-05-31 | 北京瑞威铁科高铁工程有限公司 | A kind of non-fragment orbit slip-casting lifting and lifting method for correcting error |
| CN107059496A (en) * | 2017-01-09 | 2017-08-18 | 北京瑞威铁科高铁工程有限公司 | A kind of track road-bridge transition section slip casting correction lifting method |
| CN107165035A (en) * | 2017-06-30 | 2017-09-15 | 郑州陆得新基础工程有限公司 | Airfield pavement plat-bottom escape Treatment Methods |
| CN109778619A (en) * | 2019-01-25 | 2019-05-21 | 北京瑞威世纪铁道工程有限公司 | Empty construction method is hung between processing concrete bottom seat board and bedding graded broken stone surface layer |
| CN111749198A (en) * | 2020-05-30 | 2020-10-09 | 郑州安源工程技术有限公司 | Channel slab underwater grouting stabilizing and lifting method |
| CN113802424A (en) * | 2021-09-22 | 2021-12-17 | 西南交通大学 | Sedimentation bag type grouting lifting repair method for ballastless track of high-speed railway |
| CN113802424B (en) * | 2021-09-22 | 2022-04-01 | 西南交通大学 | Sedimentation bag type grouting lifting repair method for ballastless track of high-speed railway |
| CN114541191A (en) * | 2022-03-22 | 2022-05-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for accurately lifting ballastless single turnout during high-speed rail settlement |
| CN114575204A (en) * | 2022-03-22 | 2022-06-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Accurate lifting method for turnout of ballastless crossover line for settlement of operating high-speed rail |
| CN114808576A (en) * | 2022-05-06 | 2022-07-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for lifting ballastless track structure containing end beam under operation high-speed rail |
| CN114808576B (en) * | 2022-05-06 | 2023-10-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Lifting method for ballastless track structure of end beam under operation high-speed rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106012697B (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106012697A (en) | Ballastless track roadbed high polymer injection lifting method | |
| US9045865B2 (en) | Polymer grouting method for uplifting ballastless track of high-speed rail | |
| CN103184734B (en) | A kind of construction method implanting slip casting compound pile | |
| CN107059496B (en) | A kind of track road-bridge transition section slip casting correction lifting method | |
| CN108951322A (en) | A kind of ballastless track structure sedimentation lifting apparatus and its lifting method | |
| CN104404844A (en) | Method for repairing and reinforcing open joint of filling layer of slab ballastless track | |
| CN101168957A (en) | Bridge brow plate emptying shallow layer grouting reinforcement technique | |
| CN103074882A (en) | Construction method for reinforcing island-type perennial frozen-soil foundation by adopting gravel piles | |
| KR101973697B1 (en) | Apparatus for ground restoration and reinforcement by multi-injection of urethane with high-density and rapid expansion properties and construction method using the same | |
| CN104452502B (en) | The construction method of regulation non-fragment orbit terminal spine horizontal distortion disease | |
| CN106702835B (en) | A kind of restorative procedure for being used to settle non-fragment orbit | |
| KR100683589B1 (en) | Amethod for solidification of railroad bridge and public works-connection part | |
| CN205116204U (en) | Roadbed structure of crowded native bored concrete pile stake board of two -way spiral | |
| CN108642975A (en) | A method of for being lifted Settlement diseases railway bed | |
| CN209307882U (en) | It is a kind of for improving the cushion cap device on pile foundation reinforcement basis | |
| CN109281239B (en) | Rib type abutment taper slope cutting method in road operation state | |
| CN111535079B (en) | End-stabbing anchoring force enhancing structure and construction method | |
| CN105887613B (en) | Method for repairing road surface that is environmentally safe, eliminating vehicle bump at bridge ends | |
| CN105019427A (en) | Bolting-grouting integrated treatment method for railway tunnel base disease | |
| CN103276645B (en) | Precast pile, beam and slab renovation technology for diseases of existing line tunnel base | |
| CN105220582B (en) | Solid concrete roabed and tunnel bottom Disease Treatment method based on combined support and slip casting template | |
| CN111535078B (en) | End thorn area reinforcing structure and construction method | |
| CN212052384U (en) | Shear-resisting reinforcing structure of small-section hollow beam | |
| CN208184752U (en) | The bottom stab ilization system in rich water soft stratum heavy haul railway tunnel | |
| CN206667292U (en) | It is a kind of to justify pile foundation counterfort wall station road structure close to bridge pier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 |