CN108385456A - A kind of board-like ballastless track bed board integral replacing method of cast-in-place railway roadbed - Google Patents
A kind of board-like ballastless track bed board integral replacing method of cast-in-place railway roadbed Download PDFInfo
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- CN108385456A CN108385456A CN201810188312.8A CN201810188312A CN108385456A CN 108385456 A CN108385456 A CN 108385456A CN 201810188312 A CN201810188312 A CN 201810188312A CN 108385456 A CN108385456 A CN 108385456A
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- bed board
- road bed
- integral replacing
- prefabricated
- track
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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
Abstract
The present invention relates to a kind of cast-in-place board-like ballastless track bed board integral replacing methods of railway roadbed, belong to ballastless track of high-speed railway structure maintenance and repair technology field.Its basic procedure is：Bar planting is carried out to the non-replaceable road bed board a certain range in its both ends after confirming the road bed board for needing integral replacing, then horizontal line perforation cutting is carried out to road bed board both ends to be replaced, again with the new road bed board of integral prefabricated under online in advance and reserved dowel under the conditions of laterally dialling rail the existing road bed board of integral replacing, it is vertical even and globality finally to restore track structure.The present invention is not cutting off rail, the quick radical cure of road bed board, sleeper and its interface disease prefabricated under line, realizing cast-in-place railway roadbed plate-type ballastless track on line by way of integral replacing, it is applicable to a variety of road bed board forms while ensureing quality and disclosure satisfy that under special operation condition（Single line, big longitudinal slope, big freeboard section）The integral replacing requirement of road bed board.
Description
Technical field
The present invention relates to a kind of cast-in-place board-like ballastless track bed board integral replacing methods of railway roadbed, belong to high speed railway fragments-free
Track structure maintenance and repair technology field.
Background technology
Currently, the cast-in-place railway roadbed plate-type ballastless track of China express railway mainly has CRTS I, CRTS II type double block type ballastless
Track and long sleeper buried-type non-fragment orbit.Wherein, CRTS I types double-block type ballastless track is to assemble prefabricated double-block type sleeper
At the section of track, sleeper is poured into the non-fragment orbit knot in the armored concrete railway roadbed of uniformly continuous in a manner of poured in place concrete
Configuration formula；Prefabricated double-block type sleeper is assembled into rail by CRTS II type double-block type ballastless tracks in a manner of poured in place concrete
Row is embedded in the ballastless track structure pattern in the armored concrete railway roadbed of uniformly continuous by mechanical vibration method.
Under being acted on the extension of active time and various complex conditions composite factors, individual cast-in-place railway roadbed plate-type ballastless rails
There is rhegma, chip off-falling, material softening, interface gap, grout, alkali-aggregate reaction and rail in the prefabricated sleeper and cast-in-place road bed board in road
The disease incidences such as road track geometry variation need to carry out the road bed board and sleeper of hurt when disease develops to a certain extent
It repairs, to ensure safety, stability and the durability of non-fragment orbit.But the scene of cast-in-place railway roadbed plate-type ballastless track is continuously poured
The armored concrete road bed board structure feature built also determines that it is difficult in the case where not influencing circuit normal operation in skylight
Reparation is poured again to railway roadbed board concrete in time.
Currently, the domestic repair regulation to cast-in-place railway roadbed platy ballastless track structure road bed board disease is led as the case may be
To use two methods.One is when road bed board or relatively light sleeper disease, dug by external repairing, injecting glue, bar planting, part
It the modes such as pours after removing again to be repaired；By cutting off rail when another kind is for road bed board or relatively serious sleeper disease
The mode repaired again after being cut afterwards is repaired.Above method is renovating the road bed board or sleeper of continuous damage
When there are heavy workload, work efficiency is low, Some Disease cannot effect a radical cure, it is big on line impairment to cut off rail and is influenced on railway operation big
The defects of.
Currently, domestic be gradually unfolded for the board-like ballastless track bed board repair correlative study of cast-in-place track, mainly
In terms of concentrating on external reparation；A small amount of experiment is only carried out in terms of carrying out whole reparation, thorough radical cure to cast-in-place road bed board disease
Research.Wherein, " high ferro non-fragment orbit repairs solid concrete roabed and cuts transportation resources patent（201710160657.8）" provide only
A kind of railway roadbed cutting transportation resources, and do not embody follow-up circuit and restore problem；And this method must cut down in the case of rail into
Row, and operating line is influenced greatly, it is difficult to implement in Window time.
In conclusion the integral replacing of the cast-in-place road bed board for cast-in-place railway roadbed plate-type ballastless track, domestic at present not have also
There are the quick, complete, professional of maturation, system, general working drawing review method.
Invention content
The present invention is directed to concrete of the road bed board of cast-in-place railway roadbed plate-type ballastless track when replacing because pouring again
Need longer setting time problem, it is more difficult in Window time complete to road bed board carry out integral replacing the drawbacks of and adopt at present
The drawbacks of method need to cut off rail when locally renovating, invented it is a kind of suitable for it is implementing in Window time, do not cut off
In the case of rail, the method that the road bed board of cast-in-place railway roadbed plate-type ballastless track can be replaced.This method quick construction, reality
With reliable, cost economy, disclosure satisfy that ballastless track of high-speed railway quickly, high quality reparation requirement.
The present invention realizes above-mentioned purpose using following technical scheme.
The present invention relates to a kind of road bed board integral replacing methods of cast-in-place railway roadbed plate-type ballastless track.Its basic procedure is：
Bar planting reinforcement is carried out to the non-replaceable road bed board in road bed board both ends to be replaced after confirmation needs integral replacing railway roadbed board size, and is treated
Replace after road bed board both sides carry out cross spacing and road bed board both ends cut, then in advance online under it is integral prefabricated and reserve
The new road bed board integral replacing road bed board to be replaced of dowel finally restores the vertical company of track structure and globality.
A kind of road bed board integral replacing method of cast-in-place railway roadbed plate-type ballastless track, the road bed board Replacement procedure are specific
Include the following steps.
（1）The disease incidence of field investigation cast-type ballastless track bed board and prefabricated sleeper, determination need integral replacing
Road bed board and gantry crane cooperation lifting operation position.Damage Types include cast-in-place road bed board itself disease, prefabricated sleeper disease,
Road bed board and sleeper and supporting course（Pedestal）Interface disease, track entirety elevation and track centre offset transfinite.Railcar
Lifting operation can be coordinated in this line or adjacent line.The lifting operation position is by lifting operation point circuit longitudinal slope, superelevation and structures
Situation is influenced jointly to confirm.
（2）Determine road bed board integral replacing size and cutting position.Integral replacing railway roadbed board size is mainly that road bed board is long
Degree, width, thickness and superelevation amount.The length confirms according to live road bed board disease incidence and gantry crane crane capacity.Railway roadbed
Plate cutting position is located at adjacent two sleepers centre position.
（3）The non-replaceable road bed board at road bed board both ends to be replaced carries out steel planting.The quantity of bar planting, position, depth, plant
The conditions such as temperature confirm jointly when muscle diameter and length range are replaced by specific track structure, track laying temperature and road bed board.
（4）Road bed board both sides to be replaced carry out cross spacing by limiting device.Limit method as the case may be can be with
Using reinforced concrete limited block mode is made after bar planting, bar planting installation limit compresses mechanical device or utilizes live structures
（Such as adjacent line）The mode limited.
（5）Wait for that more road bed board both ends are cut in pre-position lateral direction penetrating.Depth of cut is that horizontal line perforation road bed board is disconnected
Face（Including reinforcing bar）, cutting mode includes following four kinds as the case may be.
1. cutting：The perforation of railway roadbed board concrete is cut and cut within the scope of one fixed width at cutting seam by special equipment
Disconnected longitudinal reinforcement, while being aided with laterally inwardly and outward to dial to move in the case that rail is not cut off in rail guarantee and cut thoroughly.
2. saw cut of restricting：By carrying out entirety by restricting to saw behind road bed board bottom or supporting course upper lateral throughbore
Cutting.
3. the solidifying native cutting machine cutting of coagulation：Two one steel rails are laterally inwardly first dialled into certain distance, it will with concrete cutting machine
Road bed board both sides transverse cuts certain distance, then laterally outward push two one steel rails aside certain distance, it will with concrete cutting machine
Remainder is cut through in the middle part of road bed board, thorough to ensure to cut in the case where not cutting off rail.
4. high pressure jer cutting：Using high-pressure water jet and be aided with laterally inwardly and outward dial move rail, realize railway roadbed
Board concrete lateral direction penetrating is cut.
（6）It is integral prefabricated and conserve according to being carried out to new road bed board under the online data measured on line.Integral prefabricated road
Bed board includes prefabricated sleeper and the reinforcing bar by design configurations.The contracting more each than former road bed board both ends to be replaced of integral prefabricated road bed board
Short certain length, in order to indulge continuous cropping industry on line.The longitudinal reinforcement being arranged in new prefabricated road bed board is reserved at road bed board both ends
Certain length is stretched out, is connected for being indulged with original reinforcing bar on line.
（7）Railcar is loaded onto after new road bed board intensity prefabricated under line reaches design value.
（8）Railcar group（Belt track crane）It carries prefabricated new road bed board admission and is stopped at planning location.
（9）Remove the limiting device of road bed board cross spacing to be replaced.It is simultaneously that the rail within the scope of certain length is lateral
Push certain distance aside outward so that road bed board can vertically be hung out from the space that two one steel rails are formed.
（10）Remove road bed board to be replaced.The following two kinds mode may be used as the case may be.
1. being no more than the two-wire section of gantry crane operation limit value for circuit longitudinal slope and superelevation, coordinated by adjacent line
Gantry crane directly hangs away road bed board to be replaced.
2. for circuit longitudinal slope, either superelevation has been more than gantry crane operation enabled condition location or single-track lines, then leads to
Special multi-functional plate conveying system is crossed to promote road bed board to be replaced and be longitudinally transported at gantry crane along circuit.
（11）Clear up simultaneously dabbing to the surface of supporting course, or susceptor surface is cleared up and re-lays isolation
Layer.Dabbing processing is carried out to the section part concrete after the cutting of the non-replaceable road bed board in both ends, and dig out the vertical even reinforcing bar in its end to make
Its certain length that leaks outside.
（12）Move into prefabricated new road bed board.The following two kinds mode may be used as the case may be.
1. being no more than the two-wire section of gantry crane operation limit value for circuit longitudinal slope and superelevation, coordinated by adjacent line
Gantry crane directly hangs in prefabricated new road bed board.
2. for circuit longitudinal slope, either superelevation has been more than gantry crane operation enabled condition location or single-track lines, then leads to
It crosses special multi-functional plate conveying system and transports prefabricated new road bed board from gantry crane to replacement position along circuit longitudinal direction, and control
Make its it is accurate under fall into position.
（13）Longitudinal reinforcement progress to longitudinally connected reinforcing bar and the non-replaceable road bed board in both ends that new road bed board end is reserved
Connection.The modes such as weldering company, sleeve connection, steel sheet connector connection may be used in connection type.
（14）The three-dimensional position of new road bed board is accurately adjusted by three-dimensional road bed board fine adjustment pawl.
（15）The gap of new road bed board bottom is repaiied using the high performance material injection of high-strength, early strong, high bonding, micro-elasticity
It is multiple, and the high performance concrete of early strong, high-strength, the weak contraction of the construction joint at new road bed board both ends perfusion or microdilatancy is carried out extensive
It is multiple.
（16）Rail return, fastener recovery, line adjustment.
（17）Railcar returns.
（18）Circuit is opened after the strength of materials reaches design value.
Wherein, above-mentioned steps（1）With（2）It works for field investigation；（3）、（4）With（5）Preparation before being replaced for road bed board
Work, needs a skylight to complete；Step（6）With（7）Window time need not be occupied, online lower completion；Step（8）Extremely
（18）For road bed board replacement operation, a skylight is needed to implement.
Compared with prior art, the present invention has the following advantages.
（1）This method need not cut off rail, not damaged to existing line.
（2）This method non-repair by disease road bed board integral replacing, can be effectively ensured and thoroughly be renovated to disease,
And it can guarantee structure durability after regulation quality and regulation.
（3）Integral prefabricated under new road bed board is online, quality is easily guaranteed that.
（4）Tooling device used is light, and failure rate is low, safe, it is ensured that does not influence next day driving.
（5）It is simple for process, it is convenient for skylight organizing construction, the replacement to one piece of road bed board can be completed in 2 skylights.
（6）Field application material is only used for gap reparation and construction joint perfusion, and dosage is small, cost economy, performance are controllable,
Intensity can be formed in skylight and meet train-passing through conditions, do not influence circuit normal operation.
（7）Suitable for the cast-in-place railway roadbed platy ballastless track structure of multiple types high-speed railway（CRTS I, II type double blocks of CRTS
Formula non-fragment orbit and long sleeper buried-type non-fragment orbit）.
（8）It disclosure satisfy that under special operation condition（Single line, big longitudinal slope, big freeboard section）Cast-in-place railway roadbed plate-type ballastless track road
Bed board integral replacing.
（9）Suitable for various line tower foundation facilities（Such as roadbed, bridge, tunnel）In the case of cast-in-place railway roadbed plate-type ballastless rail
Road.
In conclusion the road bed board damage repair method of the present invention and existing cast-in-place railway roadbed plate-type ballastless track is obviously not
Together, the present invention can not cut off rail, by the way that integral replacing realizes cast-in-place railway roadbed plate-type ballastless on prefabricated, line under line
Road bed board, sleeper and its interface damage repair operation of track, are applicable to a variety of road bed board forms while ensureing quality
And it disclosure satisfy that under special operation condition（Single line, big longitudinal slope, big freeboard section）The board-like ballastless track bed board of cast-in-place railway roadbed it is whole more
Change requirement.
Description of the drawings
Fig. 1 is the cast-in-place board-like ballastless track bed board integral replacing construction flow chart of railway roadbed provided by the present invention.
Fig. 2 is the board-like ballastless track bed board integral replacing preparation construction signal of cast-in-place railway roadbed provided by the present invention
Figure.
Fig. 3 is the board-like ballastless track bed board integral replacing construction schematic diagram of cast-in-place railway roadbed provided by the present invention.
Fig. 4 is that the board-like ballastless track bed board integral replacing construction non-fragment orbit of cast-in-place railway roadbed provided by the present invention is cross-section
Face figure.
Specific implementation mode
The realization of the present invention and possessed advantageous effect are carried out furtherly below in conjunction with specific embodiment and attached drawing
It is bright, but the present invention is not limited thereto, and described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of road bed board integral replacing method of cast-in-place railway roadbed plate-type ballastless track, the sides
Method specifically includes the following contents and flow（See attached drawing 1）.
（1）The disease incidence of field investigation cast-type ballastless track bed board 1,3-1,3-2 and prefabricated sleeper 6, determining needs
Road bed board 1 and gantry crane cooperation the lifting operation position of integral replacing.
（2）Determine 1 integral replacing size of road bed board and cutting position 2-1,2-2.
（3）Non-replaceable road bed board 3-1, the 3-2 at 1 both ends of road bed board to be replaced carry out steel planting 5-1,5-2.
（4）1 both sides of road bed board to be replaced carry out cross spacing by limiting device 4-1,4-2,4-3,4-4.
（5）Wait for that more 1 both ends of road bed board lateral direction penetrating at position 2-1,2-2 is cut.
（6）According to carrying out integral prefabricated to new road bed board 7 under the online data measured on line and conserve.
（7）Railcar is loaded onto after 7 intensity of new road bed board prefabricated under line reaches design value.
（8）Railcar group（Belt track crane）It carries prefabricated 7 admission of new road bed board and is stopped at planning location.
（9）Remove limiting device 4-1,4-2,4-3,4-4 of 1 cross spacing of road bed board to be replaced.Simultaneously by certain length
Rail 8-1,8-2 in range laterally outward push certain distance aside so that the sky that road bed board can be formed from two one steel rail 8-1,8-2
Between in vertically hang out.
（10）Remove road bed board 1 to be replaced.
（11）Clear up simultaneously dabbing to the surface of supporting course 9.It is disconnected after road bed board 3-1,3-2 cutting non-replaceable to both ends
Concrete carries out dabbing processing at face, and digs out the vertical even reinforcing bar in its end and make its certain length that leaks outside.
（12）Move into prefabricated new road bed board 7.
（13）Longitudinally connected reinforcing bar 10 and both ends non-replaceable road bed board 3-1, the 3-2's reserved to 7 end of new road bed board is vertical
It is attached to reinforcing bar.
（14）The three-dimensional position of new road bed board 7 is accurately adjusted by three-dimensional road bed board fine adjustment pawl.
（15）Injecting glue reparation is carried out to the gap 11 of 7 bottom of new road bed board, and to the construction joint 12- at 7 both ends of new road bed board
1,12-2 is irrigated recovery.
（16）Rail 8-1,8-2 return, fastener recovery, line adjustment.
（17）Railcar returns.
（18）Circuit is opened after the strength of materials reaches design value.
Wherein, above-mentioned steps（1）With（2）It works for field investigation；（3）、（4）With（5）Preparation before being replaced for road bed board
Work（See attached drawing 2）, a skylight is needed to complete；Step（6）With（7）Window time need not be occupied, online lower completion；Step
Suddenly（8）Extremely（18）For road bed board replacement operation（See attached drawing 3,4）, a skylight is needed to implement.
Claims (16)
1. the present invention relates to a kind of road bed board integral replacing operational method of cast-in-place railway roadbed plate-type ballastless track, the road bed board
Integral replacing technique specifically includes following steps：
Step 1：The disease incidence of field investigation cast-type ballastless track bed board and prefabricated sleeper, determination need integral replacing
Road bed board and gantry crane cooperation lifting operation position；
Step 2：Determine road bed board integral replacing size and cutting position；
Step 3：The non-replaceable road bed board at road bed board both ends to be replaced carries out steel planting；
Step 4：Road bed board both sides to be replaced carry out cross spacing by limiting device；
Step 5：Wait for that more road bed board both ends lateral direction penetrating at position is cut；
Step 6：It is integral prefabricated and conserve according to being carried out to new road bed board under the online data measured on line；
Step 7：Railcar is loaded onto after new road bed board intensity prefabricated under line reaches design value；
Step 8：Railcar group（Belt track crane）It carries prefabricated new road bed board admission and is stopped at planning location；
Step 9：The limiting device of road bed board cross spacing to be replaced is removed, while the rail within the scope of certain length is lateral
Push certain distance aside outward so that road bed board can vertically be hung out from the space that two one steel rails are formed；
Step 10：Remove road bed board to be replaced；
Step 11：Road bed board substructure cleaning trimming, to the non-replaceable road bed board in both ends cut after section part concrete into
The processing of row dabbing, and dig out the vertical even reinforcing bar in its end and make its certain length that leaks outside；
Step 12：Move into prefabricated new road bed board；
Step 13：Longitudinal reinforcement progress to longitudinally connected reinforcing bar and the non-replaceable road bed board in both ends that new road bed board end is reserved
Connection；
Step 14：The three-dimensional position of new road bed board is accurately adjusted by three-dimensional road bed board fine adjustment pawl；
Step 15：Injecting glue reparation is carried out to the gap of new road bed board bottom, and the construction joint at new road bed board both ends is filled
Note restores；
Step 10 six：Rail return, fastener recovery, line adjustment；
Step 10 seven：Railcar returns；Step 10 eight：Circuit is opened after the strength of materials reaches design value.
2. step as described in claim 1, it is characterised in that：Step 1 and step 2 work for field investigation；Step 3 ~ five
For the preparation before road bed board integral replacing, a Window time is needed to complete；Step 6 and seven need not occupy skylight
Time, online lower completion；Step 8 ~ 18 are road bed board replacement operation, and a Window time is needed to implement.
3. road bed board integral replacing method as described in claim 1, it is characterised in that：In the disease survey for executing step 1
When, Damage Types include cast-in-place road bed board itself disease, prefabricated sleeper disease, road bed board and sleeper and supporting course（Pedestal）Boundary
Face disease, track entirety elevation and track centre offset are transfinited.
4. road bed board integral replacing method as described in claim 1, it is characterised in that：In the confirmation track crane for executing step 1
When vehicle coordinates lifting operation position, railcar can coordinate lifting operation in this line or adjacent line, and the lifting operation position is by lifting
Setting circuit longitudinal slope, superelevation and structures influence situation and confirm jointly.
5. road bed board integral replacing method as described in claim 1, it is characterised in that：In the determination road bed board for executing step 2
When integral replacing size, which includes length, width, thickness and the superelevation amount of road bed board to be replaced, length therein according to
Live road bed board disease incidence and gantry crane crane capacity confirm.
6. road bed board integral replacing method as described in claim 1, it is characterised in that：In the determination road bed board for executing step 2
When integral replacing cutting position, which is located at adjacent two with sleeper centre position.
7. road bed board integral replacing method as described in claim 1, it is characterised in that：In the steel planting for executing step 3
When, quantity, position, depth, bar planting diameter and the length range of bar planting are by specific track structure, track laying temperature and road bed board
Temperature condition confirms jointly when replacement.
8. road bed board integral replacing method as described in claim 1, it is characterised in that：In the railway roadbed to be replaced for executing step 4
When the cross spacing of plate both sides, limit method makes reinforced concrete limited block mode after bar planting may be used as the case may be,
Bar planting installation limit compresses mechanical device or utilizes live structures（Such as adjacent line）The mode limited.
9. road bed board integral replacing method as described in claim 1, it is characterised in that：More road bed board is waited in execution step 5
When pre-position lateral direction penetrating is cut, cutting mode includes following four kinds as the case may be at both ends：
1. cutting：The perforation of railway roadbed board concrete is cut and cut off vertical within the scope of one fixed width at cutting seam by special equipment
To reinforcing bar, while being aided with laterally inwardly and outward to dial to move in the case that rail is not cut off in rail guarantee and cut thoroughly；
2. saw cut of restricting：By carrying out whole cut by restricting to saw behind road bed board bottom or supporting course upper lateral throughbore
It cuts；
3. the solidifying native cutting machine cutting of coagulation：Two one steel rails are laterally inwardly first dialled into certain distance, with concrete cutting machine by railway roadbed
Plate both sides transverse cuts certain distance, then laterally outward push two one steel rails aside certain distance, with concrete cutting machine by railway roadbed
Remainder is cut through in the middle part of plate, thorough to ensure to cut in the case where not cutting off rail；
4. high pressure jer cutting：Using high-pressure water jet and it is aided with laterally inwardly and dials outward and move rail, realizes that road bed board is mixed
Solidifying soil lateral direction penetrating cutting.
10. road bed board integral replacing method as described in claim 1, it is characterised in that：In the roads Xian Xiaxin for executing step 6
When bed board is integral prefabricated and maintenance, integral prefabricated road bed board includes prefabricated sleeper and the reinforcing bar by design configurations, integral prefabricated
Road bed board shortening certain length more each than former road bed board both ends to be replaced, in order to indulge continuous cropping industry on line；New prefabricated railway roadbed
The interior longitudinal reinforcement being arranged of plate connects in the reserved stretching certain length in road bed board both ends for being indulged with original reinforcing bar on line.
11. road bed board integral replacing method as described in claim 1, it is characterised in that：It is waited for more in the removal for executing step 10
When lane-change bed board, the following two kinds mode may be used as the case may be：
1. being no more than the two-wire section of gantry crane operation limit value for circuit longitudinal slope and superelevation, the track coordinated by adjacent line
Crane directly hangs away road bed board to be replaced；
2. for circuit longitudinal slope, either superelevation has been more than gantry crane operation enabled condition location or single-track lines, then passes through spy
The multi-functional plate conveying system of system promotes road bed board to be replaced and is longitudinally transported at gantry crane along circuit.
12. road bed board integral replacing method as described in claim 1, it is characterised in that：In the road bed board for executing step 11
When substructure cleaning trimming, it is divided into the following two kinds as the case may be：
1. if substructure is supporting course, simultaneously dabbing clear up to the surface of supporting course；
2. if substructure is pedestal, susceptor surface is cleared up and re-lays separation layer.
13. road bed board integral replacing method as described in claim 1, it is characterised in that：It is pre- in the immigration for executing step 12
When the new road bed board of system, the following two kinds mode may be used as the case may be：
1. being no more than the two-wire section of gantry crane operation limit value for circuit longitudinal slope and superelevation, the track coordinated by adjacent line
Crane directly hangs in prefabricated new road bed board；
2. for circuit longitudinal slope, either superelevation has been more than gantry crane operation enabled condition location or single-track lines, then passes through spy
The multi-functional plate conveying system of system transports prefabricated new road bed board to replacement position along circuit longitudinal direction from gantry crane, and controls it
Position is fallen under accurate.
14. road bed board integral replacing method as described in claim 1, it is characterised in that：When executing step 13, Zong Xianggang
Muscle connection type include weld company, sleeve connection, steel sheet connector connect mode.
15. road bed board integral replacing method as described in claim 1, it is characterised in that：In the new railway roadbed for executing step 15
When the gap injecting glue in board bottom portion is repaired, use is high-strength, morning is strong, the high performance material of high bonding, micro-elasticity.
16. road bed board integral replacing method as described in claim 1, it is characterised in that：In the new railway roadbed for executing step 15
When the construction joint perfusion at plate both ends restores, using the high performance concrete of early strong, high-strength, weak contraction or microdilatancy.
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|---|---|---|---|
| CN201810188312.8A CN108385456A (en) | 2018-03-07 | 2018-03-07 | A kind of board-like ballastless track bed board integral replacing method of cast-in-place railway roadbed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188312.8A CN108385456A (en) | 2018-03-07 | 2018-03-07 | A kind of board-like ballastless track bed board integral replacing method of cast-in-place railway roadbed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254756A (en) * | 2020-01-21 | 2020-06-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Maintenance and detection method for solidified track bed track system |
| CN111877060A (en) * | 2020-07-14 | 2020-11-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Ballastless track bed structure part replacement method |
| CN114753193A (en) * | 2022-05-11 | 2022-07-15 | 中铁上海工程局集团有限公司 | Method and device for replacing road bed board |
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| CN114753193A (en) * | 2022-05-11 | 2022-07-15 | 中铁上海工程局集团有限公司 | Method and device for replacing road bed board |
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Application publication date: 20180810 |