CN106049209B - A kind of interim rail support meanss changed for railway ballastless track supporting layer - Google Patents
A kind of interim rail support meanss changed for railway ballastless track supporting layer Download PDFInfo
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- CN106049209B CN106049209B CN201610605003.7A CN201610605003A CN106049209B CN 106049209 B CN106049209 B CN 106049209B CN 201610605003 A CN201610605003 A CN 201610605003A CN 106049209 B CN106049209 B CN 106049209B
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- longeron
- supporting layer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/40—Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
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Abstract
The present invention relates to railway ballastless track disease technology for eliminating field, in particular to a kind of interim rail support meanss changed for railway ballastless track supporting layer.Including supporting the steel bearing beam of temporary traffic rail and the bearing on the supporting layer being fixed on below the operational railway at region longitudinal direction to be onstructed both ends；Described steel bearing beam includes two longerons being longitudinally arranged along track and the crossbeam between two longerons；On the supporting layer that the longeron both ends are respectively rested on the upper surface of bearing and are anchored at below the operational railway at region longitudinal direction to be onstructed both ends；For described crossbeam along track lateral arrangement, its both ends is separately fixed at two longeron sidepieces.By the present invention in that with steel bearing beam by construction area bulit on stilts pass through rail, Along Railway can normal operation, without stopping transport, it ensure that the normal operation of track, the other present invention can thoroughly eliminate the disease problem occurred in track underlying support layer and substructure, track hidden danger is thoroughly eliminated, there is great promotional value.
Description
Technical field
The present invention relates to railway ballastless track disease technology for eliminating field, is used for railway ballastless track branch in particular to one kind
The interim rail support meanss that support layer changes.
Background technology
Non-fragment orbit is with good stability, maintenance workload is small, comfort level is high by bus, track service life is long,
The advantages such as structure height is low are widely used in China Railway High-speed, and at the same time high-speed railway requires that track must possess high smooth-going
Property is, it is necessary to which sub-rail foundation structure has very high stability.Although built or adopted in the Design of High-speed Railway founded a capital, construction etc.
Measure is built with unprecedented high standard, but because China is vast in territory, railway construction condition is sufficiently complex, still has very
The multifactor stability that may influence non-fragment orbit, such as construction quality, foundation settlement etc..
The supporting layer and substructure of ballastless track of high-speed railway are the passes for influenceing non-fragment orbit ride comfort and traffic safety
Key factor, because of situations such as there may be concrete leakiness, the change of local geology situation in construction, non-fragment orbit is caused to support
Layer and substructure do not meet design requirement, may cause fragment-free track slab and supporting layer ftractures, deformation causes track irregularity,
Although can be by adjusting fastener, lifting track plates, the measure such as perfusion mortar, dead-end fracture improves ballastless track structure again
Unfavoured state, but this simply method for curing the symptoms, not the disease, under the High-speed Train Loads of long term frequent, the bottom do not effected a radical cure
Fault of construction is growing day by day, and disease can produce again in the course of time, or even influences traffic safety, therefore for non-fragment orbit disease
Really produced, only non-fragment orbit can not be renovated by supporting layer and substructure defect if verified, and needed to support
Layer and substructure remove reconstruction simultaneously.For high ferro visitor specially, once maintenance shut-downs, will directly affect the common people and normally go on a journey, make
Into bad social influence, in the case where ensureing secured premise carrying out construction merely with Window time is necessary.At present to nothing
Tiny fragments of stone, coal, etc. track do not cut off traffic in the case of regulation remain the supporting layer that in many technical barriers, is pointed to below non-fragment orbit and under
Portion's structure changed under traffic-operating period it is even more difficult, therefore seek it is a kind of do not cut off traffic, securely and reliably, economical close
Reason, easy for construction, adaptable ballastless track of high-speed railway supporting layer and substructure to change method imperative.
The content of the invention
Present invention aim to the prior art for solving to mention in above-mentioned background technology non-fragment orbit supporting layer
The problem of can not being repaired when going wrong in the case where not influenceing railway operation to it, there is provided one kind is used for railway ballastless
The interim rail support meanss that track supporting layer changes.
The technical scheme is that：A kind of interim rail support meanss changed for railway ballastless track supporting layer,
It is characterized in that：Including supporting the steel bearing beam of temporary traffic rail and being fixed under the operational railway at region longitudinal direction to be onstructed both ends
Bearing on first supporting layer of side；Described steel bearing beam include two need to remove along being suspended in of being longitudinally arranged of track the
Longeron above two supporting layers and the crossbeam between two longerons；The longeron both ends are respectively rested on the upper end of bearing
On face and the first supporting layer being anchored at below the operational railway at region longitudinal direction to be onstructed both ends；Described crossbeam is horizontal along track
Arrangement, its both ends is separately fixed at two longeron sidepieces.
Further described longeron is the i-beam structure that web is arranged vertically.
The spaced apart stiffener of polylith is provided with further described longeron；Described stiffener is vertically
Arrangement, the upper and lower ends and its sidepiece of stiffener are separately fixed at up and down on two blocks of flange plates and web of longeron.
Further described stiffener is fixed on the end of crossbeam by bolt arrangement, and crossbeam is fixed on by stiffener
Between two blocks of flange plates of longeron.
Further described bearing includes being fixed on first below the operational railway at region longitudinal direction to be onstructed both ends
Support the steel plate on layer and the rubber slab being fixed on steel plate；The both ends of described longeron are respectively rested on two blocks of relative rubber slabs
On.
Further also include being used for the stopping means for limiting longeron transverse shifting ground；Described stopping means includes being located at
Two blocks of angle steel of longeron end both lateral sides；Described angle steel includes being located at the riser of longeron sidepiece and is anchored at both by bolt
There is the transverse slat on the first supporting layer below track；Described transverse slat is fixed on riser lower end, and longeron is between two pieces of risers.
Longitudinal both ends of longeron avoid the movement of longeron longitudinal direction also by the spacing fixation of angle steel.
Advantages of the present invention has：1st, non-fragment orbit supporting layer is changed in the case of not disrupted circuit operation, it is right
Driving influences smaller.
2nd, the disease management occurred for the substructure of non-fragment orbit can use, applied widely, using steel bearing beam
Section construction, the disease region of longer-range can be quickly renovated, supporting layer and substructure in construction are maked somebody a mere figurehead using steel bearing beam,
By changeing substructure, the mass defect problems such as empty slag, Laminate construction thickness deficiency can thoroughly be administered, avoid occurring
Secondary disease.
Every circuit is independently reinforced using a set of steel bearing beam system when the 3rd, constructing, therefore construction is not influenceed by line spacing,
Due to every line can independent construction, therefore can according to circuit practical operation situation carry out construction organization, it is easy for construction flexibly, construction stream
Aquation operation, no special construction requirement, difficulty of construction are low.
4th, set a set of steel bearing beam to change supporting layer under every circuit, the construction in multiple regions, steel can be carried out simultaneously
Bearing beam can fall use, accelerate construction speed, construction area be divided into the circulation construction cell of multiple small sections, not only with track
The segmentation of structure matches, while smaller to structural perturbation, securely and reliably.
5th, carry out changeing supporting layer and substructure paragraph by paragraph using small span steel bearing beam, defective substructure can obtain
Thoroughly renovate, structure and track structure can recover to design point under rail.
By the present invention in that with steel bearing beam by construction area bulit on stilts pass through rail, Along Railway can normal operation, no
With stoppage in transit, the normal operation of track is ensure that, the present invention can thoroughly eliminate track underlying support layer and substructure in addition
The middle disease problem occurred, track hidden danger is thoroughly eliminated, there is great promotional value.
Brief description of the drawings
Fig. 1：The steel bearing beam mounting structure schematic top plan view of the present invention；
Fig. 2：The steel bearing beam mounting structure schematic longitudinal section of the present invention；
Fig. 3：The longeron of the present invention and the mounting structure schematic diagram of bearing；
Fig. 4：The steel bearing beam mounting structure schematic cross-sectional view of the present invention；
Fig. 5：The mounting structure schematic diagram of the interim rail of the present invention；
Wherein：1-longeron；2-crossbeam；3-stiffener；4-pass through rail；5-interim rail；6-the first supporting layer；
7-sleeper；8-rubber slab；9-steel plate；10-riser；11-transverse slat；12-the second supporting layer.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1~5, the method that the present embodiment changes supporting layer and substructure needs to remove to be set up in using steel bearing beam
Supporting construction of the top of second supporting layer 12 (shown in the dotted line frame in such as Fig. 1) of construction as current rail 4, ensures rail
The normal operation of road circuit.The structure of steel bearing beam is as shown in figure 1, including two longerons 1 being longitudinally arranged along track, longeron 1 is
I-beam structure, the web of longeron 1 are arranged vertically.Connected and formed by the crossbeam 2 along track lateral arrangement between two longerons 1
Overall structure, crossbeam 2 generally use, two pieces of channel-section steel assembly are made, and the U mouths of two blocks of channel-section steels, which are supported or opposed, to be bolted to connection
For overall structure, the both ends of crossbeam 2 are respectively protruding into the frame structure that stabilization is formed between two blocks of flange plates of two longerons 1,
Ensure the spacing between longeron.
In order to further enhance the ability of the current rail 4 of the support of longeron 1, the present embodiment is also in two blocks of flange plates of longeron 1
Between be welded with the stiffener 3 arranged vertically, the upper and lower ends and sidepiece of stiffener 3 are separately fixed at two pieces of edges of a wing of longeron 1
On plate and web, the vertical enabling capabilities that whole longeron 1 is enhanced by stiffener 3 of longeron 11, avoid in train passage
During longeron 1 is damaged by pressure.Crossbeam 2 is channel-section steel structure, and stiffener 3 is located at the transverse ends of crossbeam 2 respectively, and stiffener 3 gos deep into
To the both ends that crossbeam 2 is bolted between two panels channel-section steel, crossbeam 2 is fixed on longeron 1 by bolt arrangement, such as Fig. 4
It is shown.Actually stiffener 3 can also be arranged on the other positions of longeron 1, but need to evade fastener, it is impossible to be produced with fastener
Interference.
The both ends of longeron 1 are separately fixed at below the operational railway at longitudinal both ends of the second supporting layer 12 to be removed
On one supporting layer 6, bearing is installed on first supporting layer 6 at both ends, as shown in figures 2-3, the present embodiment is indulged in region to be onstructed
The deep mounting grooves of 15~20mm are cut on to the first supporting layer 6 below the operational railway at both ends, one is placed in mounting groove
Block thickness is 10~20mm steel plate 9, then lays the rubber slab 8 that one piece of thickness is 30~40mm in the upper end of steel plate 9 and form branch
Hold the seat structure of steel bearing beam.
Longeron 1 is provided at both ends with stopping means, and the stopping means of the present embodiment includes being located at the end cross both sides of longeron 1
Two blocks of angle steel, angle steel includes the riser 10 and be anchored at by bolt below operational railway first positioned at the sidepiece of longeron 1
The transverse slat 11 on layer 6 is supportted, transverse slat 11 is fixed on the steel angle structure of the lower end formation L-type of riser 10, and longeron 1 is located at two pieces of risers 10
Between horizontal rock avoided by the position-limiting action of riser 10.
The both ends of longeron 1 are respectively rested on the rubber slab 8 on first supporting layer 6 at longitudinal both ends in region to be onstructed,
Set rubber slab 8 farthest to form cushioning effect, reduce the rigid collision between each part, avoid part
Damage.Longitudinal both ends of longeron 1 are anchored at by angle steel and bolt on first supporting layer 6 at longitudinal both ends in region to be onstructed.
Because the track of high-speed railway is all long-play, the construction period of the present embodiment can only be in the day of every track
Window point is constructed, and some construction procedures can not be fully finished in a skylight point, it is necessary to is carried out in several skylight points.Track
Plate takes longer, it is necessary to which the time of a skylight point is carried out, therefore is completed removing cutting during cutting and removal
Track plates after, it is necessary to install interim rail 5.As shown in figure 5, the installation method of interim rail 5 is：Directly in region to be onstructed
The second supporting layer 12 on lay railway sleepers 7, sleeper 7 is laterally laid according to track, then temporary steel rail 5 is laid on sleeper 7, will be faced
When rail 5 both ends connected respectively with operational railway, to ensure the normal pass of track.
Specifically construction method is：1st, the stratum of track both lateral sides to be reinforced, the reinforcement means of the present embodiment is,
The inserting piling anchor pole directly on the soil layer of track both lateral sides, the soil layer of region both lateral sides to be onstructed is reinforced, avoid removing branch
During supportting layer, there is the phenomenon to collapse in the soil layer of both sides, after the completion of soil layer is reinforced, by the vertical of the track plates in region to be onstructed
Cut off to both ends, soil layer is reinforced and the cutting of track plates can all influence the normal operation of train, it is therefore desirable in the progress of skylight point；
2), first skylight point, the track plates of cut-out is removed using hanging device, set up on region to be onstructed interim
Rail 5 connects operational railway, and the sleeper 7 of some direction across bridge is directly set up above the second supporting layer 12 for removing track plates,
Temporary steel rail 5 is laid on sleeper 7 again, the both ends of rail are connected with the rail on operational railway respectively, so can not shadow
The normal pass of train is rung, the circuit speed of service of interim rail 5 is no more than 45KM/h；
3), second skylight point, interim rail 5 and sleeper 7 are removed, is opened on the first supporting layer 6 below operational railway
The deep mounting grooves of 15~20mm are dug, the steel plate 9 that one piece of thickness is 10~20mm is placed in mounting groove, then in the upper end of steel plate 9
One piece of thickness of laying is that 30~40mm rubber slab 8 forms the seat structure of support steel bearing beam, and longitudinal both ends of longeron 1 are distinguished
It is anchored on the first supporting layer 6, welding beam 2 forms steel bearing beam between longeron 1, is spaced between two blocks of flange plates of longeron 1
Polylith stiffener 3 is welded, current rail 4 is then laid in longeron upper surface, current rail 4 is fixed on longeron 1 by fastener
Upper surface, the both ends of current rail 4 is connected with the rail of operational railway respectively the normal pass for not influenceing train, on steel bearing beam
There are many spaces to be easy to excavate, excavated using the space of the space on steel bearing beam and both sides and remove the second supporting layer 12 and the
The structure of the bottom of two supporting layer 12, the depth of dismounting are judged according to actual conditions, remove need of work during skylight point
Carry out；
4), pour to form the second new supporting layer 12 using early strength concrete in the lower section of current rail 4,
5), after concrete strength reaches requirement, translation steel bearing beam to next construction dot cycle construction, handling track plates
To the second new supporting layer 12, and rail connection both ends track is reinstalled on track plates.
In fact, the present embodiment can carry out circulation construction according to the length of construction area, so can effectively accelerate
Construction speed, efficiency of construction is improved, can be used manpower and material resources sparingly, reduce construction cost.
Specifically the method for circulation construction is：It is if the second supporting layer of track 12 that needs are removed is longitudinally split by track
Dry isometric circulation construction area, each construction area that circulates longitudinally are in turn divided into isometric first circulation construction along track
Unit, second circulation construction cell and the 3rd circulation construction cell, while the first circulation in each circulation construction area is applied
Work order member carries out Demolition Construction, and carrying out second circulation after the completion of construction, above translation steel bearing beam to second circulation construction cell applies
The construction of work order member, successively alternately, until all circulation construction area constructions are completed.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (6)
- A kind of 1. interim rail support meanss changed for railway ballastless track supporting layer, it is characterised in that：Face including support The steel bearing beam of Shi Tonghang rail (4) and the first supporting layer (6) being fixed on below the operational railway at region longitudinal direction to be onstructed both ends On bearing；Described steel bearing beam includes two and is suspended in along what track was longitudinally arranged on the second supporting layer (12) for needing to remove The longeron (1) and the crossbeam (2) between two longerons (1) of side；Longeron (1) both ends are respectively rested on the upper of bearing On end face and the first supporting layer (6) being anchored at below the operational railway at region longitudinal direction to be onstructed both ends；Described crossbeam (2) edge Track lateral arrangement, its both ends are separately fixed at two longeron (1) sidepieces.
- 2. a kind of interim rail support meanss changed for railway ballastless track supporting layer as claimed in claim 1, it is special Sign is：Described longeron (1) is the i-beam structure that web is arranged vertically.
- 3. a kind of interim rail support meanss changed for railway ballastless track supporting layer as claimed in claim 2, it is special Sign is：The spaced apart stiffener of polylith (3) is provided with described longeron (1)；Described stiffener (3) is vertically Arrangement, the upper and lower ends and its sidepiece of stiffener (3) are separately fixed at up and down on two blocks of flange plates and web of longeron (1).
- 4. a kind of interim rail support meanss changed for railway ballastless track supporting layer as claimed in claim 3, it is special Sign is：Described stiffener (3) is fixed on the end of crossbeam (2) by bolt arrangement, and crossbeam (2) is solid by stiffener (3) It is scheduled between two blocks of flange plates of longeron (1).
- 5. a kind of interim rail support meanss changed for railway ballastless track supporting layer as claimed in claim 1, it is special Sign is：Described bearing includes being fixed on the first supporting layer (6) below the operational railway at region longitudinal direction to be onstructed both ends Steel plate (9) and the rubber slab (8) that is fixed on steel plate (9)；The both ends of described longeron (1) are respectively rested on relative two pieces On rubber slab (8).
- 6. a kind of interim rail support meanss changed for railway ballastless track supporting layer as claimed in claim 1, it is special Sign is：Also include being used for the stopping means for limiting longeron (1) transverse shifting；Described stopping means includes being located at longeron (1) Two blocks of angle steel of end cross both sides；Described angle steel includes being located at the riser (10) of longeron (1) sidepiece and anchored by bolt Transverse slat (11) on the first supporting layer (6)；Described transverse slat (11) is fixed on riser (10) lower end, and longeron (1) is located at two pieces Between riser (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610605003.7A CN106049209B (en) | 2016-07-28 | 2016-07-28 | A kind of interim rail support meanss changed for railway ballastless track supporting layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605003.7A CN106049209B (en) | 2016-07-28 | 2016-07-28 | A kind of interim rail support meanss changed for railway ballastless track supporting layer |
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| CN106049209A CN106049209A (en) | 2016-10-26 |
| CN106049209B true CN106049209B (en) | 2017-11-21 |
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| CN106758590B (en) * | 2016-12-20 | 2020-09-04 | 中国神华能源股份有限公司 | Construction temporary beam for replacing railway track under non-stop condition and construction method |
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| CN109183530B (en) * | 2018-09-29 | 2024-03-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Line temporary overhead device and method for ballastless track disease remediation |
| CN109267434A (en) * | 2018-10-18 | 2019-01-25 | 中南大学 | A kind of fragment-free track slab is Z-shaped to withhold stabilising arrangement |
| CN110029531B (en) * | 2019-04-23 | 2020-10-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Temporary high-speed rail ballastless track line overhead device and method suitable for high-speed traveling |
| CN111576106A (en) * | 2020-05-18 | 2020-08-25 | 重庆交通大学 | Construction method for rapidly pushing and replacing ballastless track structure of passenger special line |
| CN111827022A (en) * | 2020-07-09 | 2020-10-27 | 武汉比邻工程技术有限公司 | Quick maintenance method for double-block ballastless track |
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