CN107313313B - The framed bent construction method of prefabricated urethane cures railway roadbed - Google Patents
The framed bent construction method of prefabricated urethane cures railway roadbed Download PDFInfo
- Publication number
- CN107313313B CN107313313B CN201710381993.5A CN201710381993A CN107313313B CN 107313313 B CN107313313 B CN 107313313B CN 201710381993 A CN201710381993 A CN 201710381993A CN 107313313 B CN107313313 B CN 107313313B
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- China
- Prior art keywords
- railway roadbed
- rail
- section
- prefabricated
- track
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Classifications
-
- 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
-
- 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
- E01B29/005—Making of concrete parts of the track in situ
-
- 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
- E01B29/02—Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
-
- 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
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- 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
- E01B2204/09—Ballastless systems
-
- 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
- E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The present invention provides a kind of framed bent construction methods of prefabricated urethane cures railway roadbed.Framed bent construction method is the following steps are included: step S10: prefabricated polyurethane railway roadbed block sleeper component being placed in pre- riding position along the length direction of railway roadbed, is installed prefabricated polyurethane railway roadbed block sleeper component to form section of track group；Step S20: section of track group is adjusted, and after-pouring adjustment layer is completed in adjustment, after adjustment layer reaches intensity, to being laid with railway ballast on the basis of under the line where section of track group adjusted to form railway roadbed.This method avoid directly by casting to form the polyurethane railway roadbed block with enhancing stability and connect to form component with sleeper component, effectively improve the construction efficiency of railway roadbed on the basis of online lower.
Description
Technical field
The present invention relates to the technical fields of prefabricated urethane cures railway roadbed framed bent construction technology, in particular to one kind
The framed bent construction method of prefabricated urethane cures railway roadbed.
Background technique
In the prior art, urethane cures railway roadbed uses site operation, and casting quality is constructed by railway ballast cleannes, railway roadbed
Quality is affected, and site operation guarantees that railway roadbed both cleaned, closely knit has certain difficulty.In addition existing in-situ concreting equipment
It is in large scale, the casting equipments such as installation storage tank, generator, air compressor machine, air accumulator, and heating, drying equipment, need 10
Flat car, front and back also want locomotive and railcar to draw respectively, and casting train huge in this way drives construction site into, quasi- before single casting
The work of standby and closing just needs about 2 hours, and casting and constructing efficiency is extremely low, also larger by weather and ambient temperature effect,
Construction speed is slow, it is difficult to adapt to the construction requirement of both wired 180min Window times.Further, in the prior art to railway roadbed
Framed bent construction method to there is construction order disorder, construction efficiency low, and a degree of interference can be generated between each process, held
The problem of easily causing claim for eot, construction cost increase.
Summary of the invention
The main purpose of the present invention is to provide a kind of framed bent construction methods of prefabricated urethane cures railway roadbed, existing to solve
There is the problem of railway roadbed framed bent low efficiency in technology.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of prefabricated polyurethane railway roadbed block railway roadbed
Framed bent construction method, framed bent construction method is the following steps are included: step S10: by prefabricated polyurethane railway roadbed block sleeper component edge
The length direction of railway roadbed is placed in pre- riding position, is installed prefabricated polyurethane railway roadbed block sleeper component to form the section of track
Group；Step S20: section of track group is adjusted, and after-pouring adjustment layer is completed in adjustment, after adjustment layer reaches intensity, to adjusted
Railway ballast is laid on the basis of under line where section of track group to form railway roadbed.
Further, in step S20, section of track group is adjusted the following steps are included: step S21: to section of track group into
Row coarse adjustment, and be supported using section of track group of the supporting element to coarse adjustment qualification, positioning mould is installed into the section of track to coarse adjustment after qualified
The periphery of group, to be sealed to the gap having between basis under section of track group and line.
Further, in the step s 21, coarse adjustment is carried out the following steps are included: step S211 to section of track group: is set using detection
The standby rail to section of track group carries out quality testing, and to detection, qualified rail sticks qualified mark, will test underproof steel
Rail is transported to workbench and is corrected.
Further, in the step s 21, further comprising the steps of to the progress coarse adjustment of section of track group: step S212: by rail
End is placed at the start position of prefabricated polyurethane railway roadbed block sleeper component, the position of the center line of mark tapping rail on rail
It sets, moves rail using installation tool so as to be used to install rail on center line and prefabricated polyurethane railway roadbed block sleeper component
Marking line coincides.
Further, in the step s 21, further comprising the steps of to the progress coarse adjustment of section of track group: step S213: rail being put
The end of adjacent rail is placed with spacing when being placed on prefabricated polyurethane railway roadbed block sleeper component, adjacent rail
It is fixed between end using connector.
Further, further comprising the steps of in step S20: step S22: accurate adjustment being carried out to section of track group, and uses branch
The section of track group of accurate adjustment qualification is fixed in support member, using packing material between basis under section of track group of the accurate adjustment after qualified and line
The gap having is filled；Step S23: removing the supporting element of the section of track group after the completion of filling, and is laid on the basis of descending online
Railway ballast.
Further, carry out coarse adjustment to section of track group or accurate adjustment is further comprising the steps of: starting detection device enters detection work
Position makes the clamp of detection device clamp rail and takes the installation floor data of rail；Detection device is according to setting floor data
Determine whether prefabricated polyurethane railway roadbed block, sleeper component and the rail placed need to be adjusted；Wherein, in the process of adjustment
It is middle to use the prefabricated polyurethane railway roadbed block of supports support, sleeper component and rail, when prefabricated polyurethane railway roadbed block, sleeper component
And the placement location of rail is it is not necessary that when adjusting, detection device enters next detection station and detected.
Further, in step S10 further include: before placing prefabricated polyurethane railway roadbed block sleeper component, made using guiding ruler
Prefabricated polyurethane railway roadbed block sleeper component is placed into pre- riding position.
Further, in step slo, group is carried out to prefabricated polyurethane railway roadbed block sleeper component to be filled with to form section of track group
The following steps are included: step S11: track gauge block, spring and rail being placed on sleeper component and carried out using bolt to rail
Fastening.
Further, in step s 11, the bolt for the two sides for being located at rail is fastened simultaneously.
Further, framed bent construction method further include: step S30: spring is removed, and the section of track group for removing spring is carried out
Detection is carried out using height of the mounting and adjusting tool to one or more of prefabricated polyurethane railway roadbed block, sleeper component, rail
Adjustment is fixed and installs spring；Step S40: to after adjustment and be fixed prefabricated polyurethane railway roadbed block, sleeper component and
Rail is detected again, until the placing height of prefabricated polyurethane railway roadbed block, sleeper component, rail reaches preset value.
Further, prefabricated polyurethane railway roadbed block sleeper component is put to pre- riding position further include: surveyed using accurate adjustment
Amount method determines the pre- riding position on the basis of prefabricated polyurethane railway roadbed block sleeper component descends online and is marked with point.
It applies the technical scheme of the present invention, this method uses the prefabricated polyurethane railway roadbed being wholely set with polyurethane railway roadbed block
Block sleeper component carries out framed bent construction, during framed bent construction, using in advance by prefabricated polyurethane railway roadbed block sleeper component
It is placed in pre-installed position, and carries out section of track group assembling.In the method, due to using polyurethane railway roadbed block and sleeper component
It is wholely set the prefabricated polyurethane railway roadbed block sleeper component to be formed and carries out framed bent construction, use the prefabricated polyurethane road being wholely set
While bed block sleeper component can effectively reduce framed bent working procedure, also acting as enhancing has the prefabricated polyurethane railway roadbed
The stability and safety of block sleeper component railway roadbed.This method avoid directly have on the basis of descending online by casting to be formed
Enhance the polyurethane railway roadbed block of stability to fix the mode of sleeper component, effectively improves the construction efficiency of railway roadbed.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the construction process figure of the embodiment according to the present invention to railway roadbed framed bent；
Fig. 2 shows the flow charts according to the present invention for hindering the section of track progress coarse adjustment；
Fig. 3 shows the flow chart according to the present invention for hindering the section of track and carrying out accurate adjustment；
Fig. 4 and Fig. 5 shows the whole knot of the prefabricated polyurethane railway roadbed block in a kind of preferred embodiment according to the present invention
Structure schematic diagram；Wherein, Fig. 4 shows the side view in track extending direction, and Fig. 5 is top view；
Fig. 6 and Fig. 7 show the prefabricated polyurethane railway roadbed block in a kind of preferred embodiment according to the present invention perpendicular to
Side view on track laying direction；
Fig. 8 and Fig. 9 shows the prefabricated railway roadbed template schematic diagram of the polyurethane railway roadbed block of Fig. 4, wherein Fig. 8 shows this
The side view of prefabricated railway roadbed template, Fig. 9 show the top view of the prefabricated railway roadbed template；
Figure 10 shows the structure urethane cures railway roadbed that a kind of embodiment of the application provides being arranged in after roadbed
Front view；
Figure 11 shows the structure top view of urethane cures railway roadbed shown in Figure 10；
Figure 12 shows the structural side view of urethane cures railway roadbed shown in Figure 10；
Figure 13, which is shown, applies the knot on bridge for the urethane cures railway roadbed that another embodiment of the application provides
The front view of structure；
Figure 14 shows the top view of structure shown in Figure 13；
Figure 15, which is shown, applies the knot in tunnel for the urethane cures railway roadbed that the another embodiment of the application provides
Structure front view；
Figure 16 shows the structure top view of urethane cures railway roadbed shown in figure 15.
Wherein, the above drawings include the following reference numerals:
01, pontic；02, anti-collision wall；03, tunnel；04, ballast layer；
10, roadbed；11, sleeper component；12, polyurethane railway roadbed block；13, the first side plate；14, the second side plate；15, bottom plate；
16, spacing board；17, rail；18, fastener；19, adjustment layer.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 1 to Figure 16, according to an embodiment of the invention, providing a kind of framed bent of polyurethane railway roadbed block railway roadbed
Construction method.
Specifically, framed bent construction method the following steps are included:
Step S10: the length direction by prefabricated polyurethane railway roadbed block sleeper component along railway roadbed is placed in pre- riding position, right
Prefabricated polyurethane railway roadbed block sleeper component is installed to form section of track group, wherein prefabricated polyurethane railway roadbed block sleeper component one
Body setting.Step S20: section of track group is adjusted, and to be laid on the basis of under the line where section of track group adjusted railway ballast with
Form railway roadbed.
In the present embodiment, this method uses the prefabricated polyurethane railway roadbed block sleeper group being wholely set with polyurethane railway roadbed block
Part carries out framed bent construction, pre- using in advance prefabricated polyurethane railway roadbed block sleeper component is placed in during framed bent construction
Installation site, and carry out section of track group assembling.In the method, shape is wholely set due to using polyurethane railway roadbed block sleeper component
At prefabricated polyurethane railway roadbed block sleeper component carry out framed bent construction, use the prefabricated polyurethane railway roadbed block sleeper group being wholely set
While part can effectively reduce framed bent working procedure, also acting as enhancing has the prefabricated polyurethane railway roadbed block sleeper component
The stability and safety of railway roadbed.This method avoid directly have enhancing stability by casting to be formed on the basis of online lower
Polyurethane railway roadbed block fix the mode of sleeper component, effectively improve the construction efficiency of railway roadbed.
Wherein, in step S20, section of track group is adjusted the following steps are included:
Step S21: coarse adjustment is carried out to section of track group, and is supported using section of track group of the supporting element to coarse adjustment qualification, will be determined
Position mould installs the periphery of the section of track group to coarse adjustment after qualified, close to carry out to the gap having between basis under section of track group and line
Envelope.
Specifically, in the step s 21, to section of track group carry out coarse adjustment the following steps are included:
Step S211: quality testing is carried out using rail of the detection device to section of track group, qualified rail sticks to detection
Qualified mark, will test underproof rail and is transported to workbench and be corrected.Step S212: the end of rail is placed in
At the start position of prefabricated polyurethane railway roadbed block sleeper component, the position of the center line of mark tapping rail, uses peace on rail
Holding tool moves rail so that center line and the marking line phase for being used to install rail on prefabricated polyurethane railway roadbed block sleeper component
It is overlapped.Step S213: when rail is placed on prefabricated polyurethane railway roadbed block sleeper component there is the end of adjacent rail
It places to spacing, is fixed between the end of adjacent rail using connector.Wherein, spacing L, wherein 15mm≤L≤
30mm.The spacing can also be set according to specifically used standard.
It is further comprising the steps of in step S20: step S22: accurate adjustment to be carried out to section of track group, and using supporting element to accurate adjustment
Qualified section of track group is fixed, using packing material to the gap having between basis under section of track group of the accurate adjustment after qualified and line
It is filled；Step S23: removing the supporting element of the section of track group after the completion of filling, and is laid with railway ballast on the basis of descending online.
Further, coarse adjustment is carried out to section of track group or accurate adjustment is further comprising the steps of:
Starting detection device enters detection station, so that the clamp of detection device is clamped rail and takes the installation operating condition of rail
Data；Detection device according to setting floor data determine place prefabricated polyurethane railway roadbed block sleeper component and rail whether needs
It is adjusted.Wherein, when the placement location of prefabricated polyurethane railway roadbed block, sleeper component and rail needs to adjust, in adjustment
The prefabricated polyurethane railway roadbed block sleeper component of supports support and/or rail are used in the process, when prefabricated polyurethane railway roadbed block, sleeper
The placement location of component and rail is it is not necessary that when adjusting, detection device enters next detection station and detected.
It preferably, further include being made using guiding ruler prefabricated in step S10 before placing prefabricated polyurethane railway roadbed block sleeper component
Polyurethane railway roadbed block sleeper component is placed into pre- riding position, carries out group to prefabricated polyurethane railway roadbed block sleeper component and is filled with to be formed
Section of track group the following steps are included: step S11: track gauge block, spring and rail are placed in prefabricated polyurethane railway roadbed block sleeper group
Rail is fastened on part and using bolt.The bolt for the two sides for being located at rail is fastened simultaneously.
Framed bent construction method further include: step S30: spring is removed, and the section of track group for removing spring is detected, when need
When the height of prefabricated polyurethane railway roadbed block sleeper component and/or rail being wanted to be adjusted, mounting and adjusting tool is to prefabricated polyurethane
The height of railway roadbed block sleeper component and rail is adjusted, by prefabricated polyurethane railway roadbed block sleeper component adjusted and rail into
Row is fixed and installs spring.Step S40: to after adjustment and the prefabricated polyurethane railway roadbed block sleeper component that is fixed and rail into
Row detects again, until the placing height of prefabricated polyurethane railway roadbed block, sleeper component, rail reaches preset value.
It in the present embodiment, further include using accurate adjustment before prefabricated polyurethane railway roadbed block sleeper component being put to pre- riding position
Measurement method measures.Preferably, accurate adjustment measurement method includes using CPIII measurement method, determines prefabricated polyurethane railway roadbed
Pre- riding position on the basis of block sleeper component is lower online is simultaneously marked with putting.
Specifically, stack arrangement is carried out to polyurethane railway roadbed using this method and applies the skill, it can be achieved that prefabricated polyurethane railway roadbed is constructed
Art is distributed rationally, and prefabricated polyurethane railway roadbed construction speed is shortened, and ensures construction quality.Using this method there is efficiently construction to match
The characteristics of setting ensure that prefabricated polyurethane railway roadbed is normal and is efficiently laid with.
This method includes preparation of construction, dissipates arrangement, section of track assembling, track panel coarse adjustment, template installation, section of track accurate adjustment, casting
Adjustment layer removes support, tool track, is laid with the processes such as railway ballast, track arrangement.This method distributes construction skill rationally due to using
Art scheme summarizes efficiently construction configuration in the construction process, thus regulations are unclear when efficiently solving construction, program is reverse
Problem ensure that normal, the efficient construction of double-block type ballastless track.Specifically, as shown in Figure 1, this method include preparation of construction,
Dissipate arrangement, section of track assembling, track panel coarse adjustment, template installation (adjustment layer template), section of track accurate adjustment, casting adjustment layer, dismounting support,
Tool track is laid with railway ballast, track arrangement.Wherein, preparation of construction is including the use of CPIII point, by the mark point black mark-line of needs
Connection, for the positioning of prefabricated polyurethane railway roadbed block sleeper component and template installation.Further, section of track assembling is solid as follows
Determine rail:
1, track gauge block is placed.
2, spring, anchor bolt are placed, closing contact is answered between spring and rail, there must not be foreign matter, fastening bolt compresses bullet
Item.
3, anchor bolt is tightened using determining torque spanner, the fastening bolt of rail two sides should apply torque simultaneously.
Wherein, track panel coarse adjustment includes that equipment enters station, and clamp clamps rail, utilizes control system measurement, data processing
And etc., starting unit is adjusted operation, takes support to fix the section of track, unit, which is walked, is advanced into next station, testing process
As shown in Figure 2.
Section of track accurate adjustment includes that equipment enters station, total station is communicated, utilizes systematic survey, data processing, section of track tune
Whole operation is supported fixation to the section of track, and unit enters next station, and testing process is as shown in Figure 3.
Further, it includes determining adjusting range, removing spring, lifting rail, mounting and adjusting component, rail that the section of track, which arranges,
It is measured after fixed and installation spring, adjustment.According to sequence of construction, lower mass of foundation detection and assessment, foundation pile control net are surveyed online
After the completion of examination and assessment, prefabricated polyurethane railway roadbed laying construction is carried out.
Further, preparation of construction includes:
1, substructure surface scum, dust, sewage, greasy dirt, the sundries etc. within the scope of railway roadbed are removed.
2, the mark point of needs is connected with black mark-line (i.e. lines), so that prefabricated polyurethane railway roadbed block, sleeper component are fixed
Position and template installation.
3, according to building site truth and design requirement, the center mileage position of every sleepers component and list are calculated in advance, with
It is used when standby setting-out and bulk storage arrangement.
4, device configuration: air compressor machine 1,1, sprinkling truck, dust man's tool, travelling bogie one.
Wherein, prefabricated polyurethane railway roadbed block sleeper component bulk storage arrangement includes:
1, preparation determines the starting mileage position for dissipating arrangement before dissipating arrangement, and checks once every 10m or so, with
Accumulative longitudinal error is controlled, and makes corresponding adjustment.Dissipate the preceding light aluminum alloy guiding ruler for preparing 5m long of arrangement.Dissipate arrangement
When, now sleeper component is leaned on into guiding ruler, played to poly- ammonia close to sideline on the outside of prefabricated polyurethane railway roadbed block, sleeper component by it
The effect of ester railway roadbed block, sleeper component located lateral.Guiding ruler traverse is played to polyurethane railway roadbed block, sleeper component in this way
The effect of lengthwise position positioning, needs to compare with mileage during using guiding ruler.
2, using arrangement device is dissipated along prefabricated polyurethane railway roadbed block, sleeper component bulk storage arrangement, it is primary to dissipate arrangement device
One group of sleeper component (generally 5) is grabbed from prefabricated polyurethane railway roadbed block sleeper component pile.It is adjusted to preset spacing, is utilized
Guiding ruler takes a walk sleeper component in place.
3, prefabricated polyurethane railway roadbed block sleeper component laying quality meets relevant standard.
4, device configuration: arrangement apparatus (cooperation 1m is dissipated2Wheeled excavator, pillow spacing check ruler, dissipate arrangement ruler.
Further, section of track assembling includes: and is numbered after tool track is marched into the arena with blue paint, retouches to every rail quality
It states and files.Qualification is such as detected, then sticks qualified mark for use at rail both ends, no side must not use, and record rail number is simultaneously
Workbench is sent to correct rail, until reaching criterion of acceptability.Wherein, tool track is transported to scene using platform trailer, layered stacked
Neatly.Tool track construction is had bad luck using derrick car or gantry crane.Lifting uses special hoisting operation.Tool track heap in transport
Code must not exceed 3 layers, be leveled up between layers with the lumps of wood.Adjustment layer template and the screw regulator scene of transporting, which are concentrated, stacks,
It is had bad luck when use by derrick car.Screw regulator can also be transported by rail logistics flatcar.
Tool track and longitudinally, laterally template have bad luck that (note: rear refers to that component is stored to front from rear by derrick car
With dismounting area, front refers to the safety zone of component, similarly hereinafter), tool track is placed on the vacant lot of line-to-line, and template deposits in track two
Side.Template is identical as the means of transportation of tool track.Fastener is assembled as required by the sleeper component model used, and places rail.
Two strands of steel rail ends are put just, and are made at the start position of its laying to just prefabricated polyurethane railway roadbed, according to design drawing,
Marking line is drawn on rail, identifies rail center line corresponding position, and sleeper component center is pushed into mark using the crowbar of set rubber
Know at line position.The gap of 15~30mm is reserved in the end of two rail, is attached fixation by clamping plate.When the section of track assembles,
Using left rail as benchmark rail, when installation with 10m string control rail to.Again on the basis of left rail, the position of right rail is made by rule.
It is possible to further fix rail as follows:
It places track gauge block, place spring, anchor bolt, closing contact is answered between spring and rail, must not there is foreign matter.Fasten spiral shell
Bolt compresses spring, tightens anchor bolt, torsion about 120~180Nm, the fastener spiral shell of rail two sides using torque spanner is determined
Bolt should apply torque simultaneously.After the section of track assembles, gauge, sleeper module position are checked, to the item not reached requirement
Mesh is adjusted.Anchor bolt torque is checked using torque spanner is determined, and the component that prescribed torque is not achieved is tightened in time.It is used in combination
Clearance gauge checks the gap between fastening elastic rod and rail bottom.Using small transporting vehicle along track two sides along track two sides stroll spiral shell
Adjuster is revolved, and, away from being installed on tool track, screws positioning bolt every 3 (3 in Curve Segment 2) sleeper inter-modules.It wants
Keep rail bottom closely connected with supporting plate.Screw rod is installed, and does and is vertically adjusted with horizontal direction, the translation plates in adjuster is made to be mounted on centre
Position, and guarantee the general 25mm to each cheap maximum magnitude 50mm in two sides, keep the section of track tentatively fixed.
Section of track group reload request meets relevant criterion.Device configuration includes gantry crane, torque wrench, rail dipping.Track panel coarse adjustment
It can also be realized by following steps:
1, according to the difference of section of track length, a set of section of track adjustment unit is by three adjustment machines and a power generation tractor group
At.12.5m long panel track is made of three adjustment machines and a power generation tractor.12.5m long panel track is by three adjustment mechanisms at one
A unit.Single machine head and the tail are even hung by joining beam, and generator car are placed in unit leading portion (on the section of track to be adjusted), are sent out after section of track adjustment
Electric car traction unit enters next section of track to be adjusted.Since there are differences in height between two sections of track, adjusts machine and reach at section of track endpoint
When, two side portal frame travelling wheels, which extend downwardly, to land, and support adjusts main screw lift and can move ahead.After reaching next section of track, dragon is shunk
The landing of door frame supporting leg, until whole loads, and travelling wheel no longer undertakes weight.After traveling in place, by clamp relative motion, certainly
Dynamic contraposition clamping, holds up rail upwards, realizes the mobile adjustment in section of track orientation.Total station conjunction measuring, i.e. coarse adjustment unit are promoted
After the section of track to general height and superelevation, total station is measured, and measurement data, which compares to generate coarse adjustment unit and adjust with theoretical value, to be referred to
It enables, PLC is issued instructions to by radio transmitting device, executed after operator determines.Coarse adjustment machine can realize that automatically the section of track mentions
It rises, is traversing, deflection, rolling four freedom degree adjustment, until meeting standard, tightening screw rod adjustment support frame later, the section of track is consolidated
It is fixed.
2, after support system is installed, track panel coarse adjustment machine walks to be advanced into next section of track to be adjusted.
3, after the completion of the first successive step of the section of track, section of track accurate adjustment is carried out, after the completion mounting and adjusting layer template.
4, device configuration: coarse adjustment unit, total station and related accessories, double end adjust spanner, gauge spanner, small-sized haulagman
Tool.
Wherein, template, which is installed, includes:
The template installed can be using fixed punching block or wooden form.Its intensity, rigidity, stability, which need to meet, to be wanted
It asks, two sides punching block, which is connected with end mould by bolt and clamp, can form rigid entirety, and being bolted at expansion joint can also shape
It is arranged at one.It is cleaned again before template installation, and coats clean release agent.Template first places side form when installing, then places end
Mould.It is only starched between template using double-sided adhesive, rubber strip is placed at template bottom.Required equipment includes template fitting machine, lifting transport
1, vehicle.
The accurate adjustment of section of track resistance can also be accomplished by the following way:
1, accurate adjustment operation is carried out on the basis of coarse adjustment, is the step for controlling rail smooth degree key, accurate adjustment object
It is the wheel track tyre tread at every sleepers component；The project of accurate adjustment mainly has: height, rail are to, horizontal, gauge.
2,10m is no less than with the previous section of track overlap joint when track panel measurement.
3, section of track accurate adjustment measurement detects trolley using professional track accurate adjustment.According to design data by railway line parameter before construction
In number input track detection car system software.Track detection car on-site assembly, track detection car is placed on track, is then connect by communication
Mouth is got in touch with total station.
4, data are shown according to measurement, carries out track accurate adjustment.It is vertically adjusted by vertical screw rod, in 3 in Curve Segment,
There may be horizontal displacements when adjustment, it is therefore necessary to be adjusted in vertical and horizontal two-way simultaneous.By screw regulator into
Row horizontal adjustment.To prevent the section of track traversing or floating, earth anchor, completion to be cast are symmetrical arranged in two outsides of section of track joint
Afterwards, earth anchor is taken out.
5, detection is measured to section of track state again, fixes the section of track wherein after up to standard, accurate adjustment operation process chart such as Fig. 3 institute
Show, required equipment includes 1, accurate adjustment trolley, total station 1, double end adjusting spanner 2, die nut 2.
After the completion of casting adjustment layer includes: accurate adjustment, there are various sizes of between basis under prefabricated polyurethane railway roadbed block and line
Gap is poured adjustment layer using filling equipment, is filled.Required equipment includes delivery pump, raw material carrier vehicle.Work as adjustment layer
After reaching requirement and stablizing, form removal, rail adjuster.The screw rod and adjuster rail pallet removed should clean one by one,
Oiling maintenance, which is concentrated, is packed into packaging basket.Cleaning trimming, and coating release agent are carried out after form removable, are hoisted to using tyre-type gantry
New working face.Equipment needed for the process includes gantry crane 1, die nut 2, and steel brush 2.Basis under the line is carried out
It is laid with railway ballast, wherein the laying work of railway ballast requires identical with non-fragment orbit laying.Further, removal tool rail: tool track
It is cleared up after dismounting, new working face is hung to using tyre-type gantry.Rail adjuster carries out cleaning trimming after removing, and concentrates
It is transported to new workbench.Equipment needed for removal tool rail includes gantry crane 1, die nut 2, and steel brush 2.
Finally track is arranged, after prefabricated polyurethane railway roadbed construction is completed and is laid with gapless line and fastener for installing, track collection
Closing size can be adjusted by fastener.Include: to track arrangement
1, adjusting range is determined.Track geometry is checked with track accurate adjustment trolley, if track geometry is beyond permission
Range copes with track name, the mileage, sleeper number, the requirement work instruction in detail adjusted in the location.
2, spring is removed.After the track section for needing to adjust determines, spring should be first removed.
3, it is lifted rail.After spring is removed, rail is lifted, prepares mounting and adjusting component.
4, mounting and adjusting component.Replacement gauge apron, railway rail pad and height adjusting cushion plate as needed.
5, rail positioning and installation spring.The rail of lifting is placed on sleeper component, tightens spring by prescribed torque
Fastener.
6, it is measured after adjusting.After track geometry adjustment, it should re-measure and submit measurement report.
7, required equipment: track condition measuring instrument, rail are lifted equipment, spanner, Small-scale Flat transport cranes.
Further, as background technique is introduced, urethane cures railway roadbed in the prior art is because of site operation work
Skill is complicated, is influenced by the technical requirements constructed in both wired skylights, live weather and environment temperature etc. and is difficult to ensure matter
Amount in a kind of typical embodiment of the application, provides a kind of prefabricated gather to improve this situation in the prior art
Urethane railway roadbed block, as shown in Figure 4, Figure 5 and Figure 6, which includes: polyurethane railway roadbed block 12, including railway ballast and
It is dispersed in railway ballast gap and railway ballast is bonded to the polyurethane of block.
When due to being laid with polyurethane railway roadbed at the scene in the prior art, is limited by environmental condition, be formed by polyurethane
Railway roadbed is in irregular shape, and structure is not closely knit enough.Moreover, the polyurethane railway roadbed of conventional on-site casting not only needs complicated technique control
System, and cross sectional shape is irregular after molding, and randomness is big.In addition, polyurethane railway roadbed is all that whole be laid with solidifies, the prior art
In without individually, the polyurethane railway roadbed block that can flexibly use.It, can only be by entirety when the later period needs replacing or repairs
Railway roadbed carries out local failure or isolates, and not only needs complicated technique in this way, but also isolate the structure for being also difficult to formation rule
And shape, it brings inconvenience to the maintenance during operation.
Compared with the above-mentioned prior art, it is existing to be independently of track laying to above-mentioned polyurethane railway roadbed block provided herein
The previously prepared polyurethane railway roadbed block formed by polyurethane adhesive solidification railway ballast of field.Since the polyurethane railway roadbed block is
Pre-production before being laid at the scene, for example can be formed in the factory or shop-fabricated that environment is clean, temperature is stable, it applies
Work condition is convenient, so that preparation-obtained polyurethane railway roadbed block 12 has shape more regular, more regular, structure is more closely knit
The advantages of, polyurethane railway roadbed block is mutually indepedent after being laid on site, facilitates the maintenance during operation, and utilize its institute
The polyurethane railway roadbed high reliablity of laying, durability are good and easily construct and safeguard.
It is laid with efficiency in order to further increase quality and the scene of above-mentioned prefabricated polyurethane railway roadbed, it is excellent in the application one kind
It is also embedded on above-mentioned polyurethane railway roadbed block 12 to be equipped with sleeper component preset interface in the embodiment of choosing.Pass through pre-buried sleeper component
Preset interface, convenient for quicklying move through in the pre-fabricated factory of polyurethane railway roadbed block or at the construction field (site), the sleeper component is default to be connect
Sleeper component 11 is arranged on polyurethane railway roadbed block 12 mouth, to improve construction or maintenance efficiency.
The physical interface form of sleeper component preset interface can be depending on practice of construction demand in above preferred embodiment.
Such as there are many modes for polyurethane railway roadbed block 12 and 11 connection type of sleeper component, such as be bolted, pin is fixedly connected
Or the connection type of binding, the physical interface form of sleeper component preset interface can be set corresponding to above-mentioned connection type
Structure type.In a kind of preferred embodiment of the application, above-mentioned sleeper component preset interface be service sleeve, pre-embedded bolt or
Person's preformed hole.
In order to further increase site operation efficiency, in the application another kind preferred embodiment, such as Fig. 4 to Fig. 7 institute
Show, above-mentioned polyurethane railway roadbed block further includes sleeper component 11, and sleeper component 11 is arranged by sleeper component preset interface in poly- ammonia
On ester railway roadbed block 12.Directly sleeper component 11 is arranged on polyurethane railway roadbed block 12 by above-mentioned sleeper component preset interface,
To form prefabricated polyurethane railway roadbed block.Directly the prefabricated polyurethane railway roadbed block for being connected with sleeper component 11 is applied to existing
During the laying of field railway roadbed and the construction of polyurethane Ballast track are laid with, the laying quality of track can be improved and improved and applied
Work efficiency rate.
It is a kind of preferred in the application in order to further increase the structure of polyurethane railway roadbed block and the overall stability of performance
In embodiment, as shown in Figures 4 to 7, above-mentioned polyurethane railway roadbed block includes sleeper component 11 and polyurethane adhesive layer, sleeper group
Part 11 is arranged on polyurethane railway roadbed block 12；Polyurethane adhesive layer is arranged between polyurethane railway roadbed block 12 and sleeper component 11,
For polyurethane railway roadbed block 12 and sleeper component 11 to be bonded as one structure.
In above preferred embodiment, by the way that sleeper component 11 and polyurethane railway roadbed block 12 are bonded by polyurethane adhesive layer
The polyurethane railway roadbed block being structure as a whole, moreover, the polyurethane adhesive layer can form polyurethane railway roadbed block in cast polyurethane
Sleeper component 11 and polyurethane railway roadbed block 12 are connected as one while 12, form firm composite construction.It is formed in this way
Composite construction has certain elasticity, improves the globality of prefabricated polyurethane railway roadbed block, and then it is solid to improve polyurethane railway roadbed
The stationarity and comfort of the Ballast track of change.
Concrete shape and structure to above-mentioned sleeper component 11 are simultaneously not particularly limited, according to practical section demand to existing rail
The shape or structure for resting the head on component 11 carry out rational modification, and the set-up mode with polyurethane railway roadbed block 12 can also be using existing
There is set-up mode to be configured.In one preferred embodiment of the application, as shown in Figure 4 and Figure 5, above-mentioned sleeper component 11 includes the
One end segment, the second end segment and the intermediate end segment being arranged between the first end segment and the second end segment, wherein the first end segment and second
End segment is separately positioned on two polyurethane railway roadbed blocks 12.
In order to further increase the fastness connected between sleeper component 11 and polyurethane railway roadbed block 12, have in the application one
In the embodiment of body, the upper surface of the polyurethane railway roadbed block 12 around above-mentioned first end segment and the second end segment and first end segment
It is concordant with the upper surface of the second end segment.Sleeper component 11 can in this way connect with the polyurethane railway roadbed block 12 that railway ballast forms more steady
Gu overall stability is more preferable.
In polyurethane railway roadbed block in above preferred embodiment, the concrete shape of polyurethane railway roadbed block 12 is wanted without special
It asks, as long as meeting practice of construction demand.Its cutting perpendicular to track laying direction is included but are not limited in this application
Face shape is inverted trapezoidal or rectangle.
It, can be in addition, to the thickness and width of polyurethane railway roadbed block 12 in above-mentioned polyurethane railway roadbed block also without particular/special requirement
It is reasonably adjusted according to actual needs.In one preferred embodiment of the application, above-mentioned polyurethane railway roadbed block 12 perpendicular to rail
Road is laid on direction with a thickness of 150~350mm, which can satisfy various track laying demands.
In another typical embodiment of the application, a kind of preparation method of polyurethane railway roadbed block, the system are provided
Preparation Method includes: to insert railway ballast in prefabricated railway roadbed template to make firm by ramming, obtains railway ballast bed block；Poly- ammonia is poured into railway ballast bed block
Ester raw material obtains polyurethane railway roadbed block.
The preparation method of the above-mentioned polyurethane railway roadbed block of the application, by the prefabricated railway roadbed block template of utilization batch production in work
Carried out in factory it is prefabricated, by then passing through vibratory compaction, can not only guarantee railway roadbed to railway ballast being placed in prefabricated railway roadbed template
Compactness, moreover it is possible to prevent the secondary pollution of railway ballast.Then it is poured liquid urethane raw to closely knit railway ballast, passes through polyurethane original
Railway ballast is connected into an entirety by the solidification of material, to form polyurethane railway roadbed block.Above-mentioned preparation method is not only avoided existing
Huge casting equipment is installed, and avoids and influenced by weather and environment temperature, improves the matter of polyurethane railway roadbed block
Amount, while being also able to satisfy the technical requirements constructed in both wired skylights.
In above-mentioned preparation method, prefabricated railway roadbed template can be factory process at dedicated for produce polyurethane railway roadbed
The mold of block.In a preferred embodiment of the present application, as shown in Figure 8 and Figure 9, which includes passing through first
Side plate 13, the second side plate 14, bottom plate 15 and spacing board 16 are composed by way of bolt and limiting displacement.Sleeper component
11 are arranged in the inside position on the upper side of template.Spacing board 16 can control 12 inboard boundary size of polyurethane railway roadbed block and sleeper group
The height of part 11.Above-mentioned prefabricated railway roadbed template is removable design, conveniently stripped.
Urethane raw used uses the common urethane raw of existing preparation urethane cures railway roadbed when above-mentioned casting
?.For example, the urethane raw of casting includes: component A: isocyanates, in molecular structure containing isocyanate groups (-
NCO compound)；B component: the mixture including polyether polyol, surfactant, chain extender and foaming agent etc.；Catalysis
Agent: adjustment, the substance for promoting component A, B component chemical reaction velocity.It is preferred that not containing free TDI in above-mentioned component A.From ring
Conformal degree considers, in above-mentioned B component preferably volatile organic compounds (VOC, g/L)≤100, dissoluble lead (Pb, mg/kg)≤
90, soluble chromium (Cr, mg/kg)≤60, soluble cadmium (Cd, mg/kg)≤75, soluble mercury (Hg, mg/kg)≤60, when adopting
When with MOCA class chain extender, aerial concentration is no more than 0.03mg/m2.It is further preferred that catalyst does not use chlorofluorocarbon
(CFC) or hydrogen chlorofluorocarbon (HCFC).
Above-mentioned urethane raw is cast in railway ballast, foams, expand in railway ballast gap, generate polyurethane foam
Railway ballast internal clearance is filled, solidification is played the role of cohering, fixes rubble railway ballast particle and sleeper component 11.After demoulding i.e.
Prefabricated polyurethane railway roadbed block can be formed.
In above-mentioned preparation method, railway ballast is preferably inserted in batches, its purpose is to improve the density of railway roadbed, and then is improved
The stability of railway roadbed, in actual production, the number specifically added can be reasonably adjusted according to actual needs.In the application
In, preferably railway ballast is inserted in prefabricated railway roadbed template in three batches, is made firm by ramming after the completion of every batch of railway ballast filling, obtain railway ballast bed
Block.
Specifically, it for example can be the filling railway ballast 150mm thickness into prefabricated railway roadbed template for the first time, make firm by ramming, stablize closely knit；
Fill out again for the second time 100mm thickness, make firm by ramming, stablize it is closely knit；The thickness of third time filling railway ballast reaches anticipated thickness.It inserts in three times simultaneously
Fiddling with can make railway ballast be uniformly dispersed, stabilized structure.
Material and size grading for specifically used railway ballast should meet " railway rubble railway ballast " respective specified, and surface is clear
Cleanliness is also required to meet superfine railway ballast standard requirements.
The efficiency of railway roadbed is laid with for the ease of the scene of improving, in the preferred embodiment of the application, to railway ballast bed block
Middle cast polyurethane raw material obtain the step of polyurethane railway roadbed block include: closely knit piece it is upper sleeper component preset interface is set, obtain
To band interface precursor；The cast polyurethane raw material into band interface precursor, solidification obtain polyurethane railway roadbed block.
When above preferred embodiment is by just presetting subsequent laying railway roadbed in prefabricated polyurethane railway roadbed block with sleeper component
The preset interface of connection, so that subsequent easily quickly fix sleeper component during on-site construction.
It is laid with efficiency in order to further increase scene, it is above-mentioned to railway ballast bed block in the application another kind preferred embodiment
Middle cast polyurethane raw material obtain the step of polyurethane railway roadbed block include: closely knit piece it is upper sleeper component preset interface is set, obtain
To band interface precursor；The cast polyurethane raw material into band interface precursor, solidifies the polyurethane railway roadbed block obtained with interface；By this
Sleeper component is arranged on polyurethane railway roadbed block interface on polyurethane railway roadbed block with interface, obtains polyurethane railway roadbed block.
In above preferred embodiment, the form of sleeper component preset interface can be rationally arranged according to actual needs.
In this application, sleeper component preset interface includes but are not limited to as service sleeve, pre-embedded bolt or preformed hole.
In the application another kind preferred embodiment, into railway ballast bed block, cast polyurethane raw material obtains polyurethane railway roadbed
The step of block includes: that sleeper component is arranged on railway ballast bed block, obtains polyurethane railway roadbed block precursor；To before polyurethane railway roadbed block
Cast polyurethane raw material in body obtains polyurethane railway roadbed block.
In a kind of embodiment of the application, as shown in Figure 10, Figure 11 and Figure 12, in order to facilitate sleeper and prefabricated polyurethane block
Be fixedly connected, in a kind of embodiment of the application, sleeper is fixedly connected by polyurethane with above-mentioned prefabricated polyurethane block.But
It is that this mode that is not limited to that is fixedly connected of sleeper and prefabricated polyurethane block, those skilled in the art can be according to practical feelings
Condition selects the mode being suitably fixedly connected.
In another embodiment of the application, above-mentioned prefabricated polyurethane railway roadbed block further includes fastener 18, and the setting of fastener 18 exists
On sleeper component, for above-mentioned rail 17 to be fixed on above-mentioned sleeper.
It is inverted trapezoidal or rectangle that it is included but are not limited in this application perpendicular to the cross sectional shape in track laying direction.
Each above-mentioned prefabricated polyurethane block is rectangle perpendicular to the cross sectional shape on track laying direction.It is solid in order to which polyurethane is adjusted flexibly
The height for changing railway roadbed, reaches scheduled height, and in a kind of embodiment of the application, above-mentioned urethane cures railway roadbed further includes
Adjustment layer 19, adjustment layer 19 is arranged between above-mentioned prefabricated polyurethane railway roadbed block and roadbed, for adjusting above-mentioned prefabricated polyurethane
The distance between railway roadbed block and above-mentioned roadbed.
In order to be firmly supported prefabricated polyurethane block, and it is further ensured that the solid and reliable of urethane cures railway roadbed
Property, in a kind of embodiment of the application, the raw material of above-mentioned adjustment layer includes self-compacting concrete, cement emulsified asphalt mortar, tree
Rouge mortar and/or railway ballast rubble.
Above-mentioned urethane cures railway roadbed processed further includes ballast layer 04, which is laid on each above-mentioned prefabricated polyurethane block
Around.
Figure 10 to Figure 12 shows the structural representation being laid immediately on the urethane cures railway roadbed of the application on roadbed 10
Figure；The roadbed can be the roadbed that the roadbed in tunnel is also possible on pontic, can also be the roadbed in other application place.Figure
13 show the structural schematic diagram a kind of urethane cures railway roadbed of the application being arranged on bridge with Figure 14, wherein bridge includes
Pontic 01 and anti-collision wall 02；Figure 15 and Figure 16 is shown, and the urethane cures railway roadbed of the application of the application a kind of is arranged in tunnel
Structural schematic diagram in road, wherein as shown in figure 15, anti-collision wall 02 is also equipped in tunnel 03.In above preferred embodiment,
Sleeper component is arranged in the top of the railway ballast bed block after making firm by ramming, also there are the railway ballast of certain depth in sleeper component two sides, and filling is poly-
Polyurethane can also be made to be increased to the height concordant with sleeper component two sides when urethane, sleeper component and railway ballast group can be made in this way
At polyurethane railway roadbed block connection it is more firm, overall stability is more preferable.Polyurethane railway roadbed block prepared by above preferred embodiment
It include: sleeper component and the polyurethane railway roadbed block being arranged in below sleeper component.The prefabricated polyurethane railway roadbed block is in prefabricated road
It is formed in bed template.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment
Other embodiments are closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of framed bent construction method of prefabricated urethane cures railway roadbed, which is characterized in that the framed bent construction method include with
Lower step:
Step S10: prefabricated polyurethane railway roadbed block sleeper component is placed in pre- riding position along the length direction of railway roadbed, to described
Prefabricated polyurethane railway roadbed block sleeper component is installed to form section of track group；
Step S20: the section of track group is adjusted, and after-pouring adjustment layer is completed in adjustment, after adjustment layer reaches intensity, to adjustment
Railway ballast is laid on the basis of under the line where section of track group afterwards to form railway roadbed.
2. framed bent construction method according to claim 1, which is characterized in that in the step S20, by the section of track group
Be adjusted the following steps are included:
Step S21: being carried out coarse adjustment to the section of track group, and be supported using the section of track group of the supporting element to coarse adjustment qualification,
Positioning mould is installed to the periphery of the section of track group to coarse adjustment after qualified, to have between basis under the section of track group and the line
Some gaps are sealed.
3. framed bent construction method according to claim 2, which is characterized in that in the step S21, to the section of track group
Carry out coarse adjustment the following steps are included:
Step S211: quality testing is carried out using rail of the detection device to the section of track group, the rail qualified to detection
Qualified mark is sticked, the underproof rail is will test and is transported to workbench and be corrected.
4. framed bent construction method according to claim 3, which is characterized in that in the step S21, to the section of track group
It is further comprising the steps of to carry out coarse adjustment:
Step S212: the end of the rail being placed at the start position of the prefabricated polyurethane railway roadbed block sleeper component,
The rail is moved using installation tool so that the center in the position that the center line of the rail is identified on the rail
Line coincides with the marking line for installing the rail on the prefabricated polyurethane railway roadbed block sleeper component.
5. framed bent construction method according to claim 4, which is characterized in that in the step S21, to the section of track group
It is further comprising the steps of to carry out coarse adjustment:
Step S213: make the adjacent rail when rail is placed on the prefabricated polyurethane railway roadbed block sleeper component
End placed with spacing, be fixed between the end of the adjacent rail using connector.
6. framed bent construction method according to claim 3, which is characterized in that in the step S20 further include following step
It is rapid:
Step S22: accurate adjustment is carried out to the section of track group, and is consolidated using the section of track group of the supporting element to accurate adjustment qualification
It is fixed, the gap having between basis under the section of track group of the accurate adjustment after qualified and the line is filled using packing material；
Step S23: removing the supporting element of the section of track group after the completion of filling, and described in being laid on the basis of under the line
Railway ballast.
7. framed bent construction method according to claim 6, which is characterized in that carry out coarse adjustment or accurate adjustment also to the section of track group
The following steps are included:
Starting detection device enters detection station, so that the clamp of the detection device is clamped the rail and takes the rail
Floor data is installed；
The detection device according to setting floor data determine place the prefabricated polyurethane railway roadbed block, the sleeper component with
And whether the rail needs to be adjusted；
Wherein, used during adjustment prefabricated polyurethane railway roadbed block, the sleeper component described in the supports support with
And the rail, when the placement location of the prefabricated polyurethane railway roadbed block, the sleeper component and the rail is without adjustment
When, the detection device enters next detection station and is detected.
8. framed bent construction method according to claim 1, which is characterized in that in the step S10 further include:
Before placing the prefabricated polyurethane railway roadbed block sleeper component, the prefabricated polyurethane railway roadbed block sleeper group is made using guiding ruler
Part is placed into the pre- riding position.
9. framed bent construction method according to claim 1, which is characterized in that in the step S10, to described prefabricated poly-
Urethane railway roadbed block sleeper component carry out group be filled with to be formed section of track group the following steps are included:
Step S11: track gauge block, spring and rail are placed on the sleeper component and are carried out using bolt to the rail tight
Gu.
10. framed bent construction method according to claim 9, which is characterized in that described to being located in the step S11
The bolt of the two sides of rail fastens simultaneously.
11. framed bent construction method according to claim 3, which is characterized in that the framed bent construction method further include:
Step S30: spring is removed, and the section of track group for removing spring is detected, using mounting and adjusting tool to described
The height of one or more of prefabricated polyurethane railway roadbed block, the sleeper component, the rail is adjusted fixed and installs
Spring；
Step S40: to after adjustment and be fixed the prefabricated polyurethane railway roadbed block, the sleeper component, the rail into
Row detects again, until the placing height of the prefabricated polyurethane railway roadbed block, the sleeper component and the rail reaches pre-
If value.
12. framed bent construction method according to claim 1, which is characterized in that by the prefabricated polyurethane railway roadbed block sleeper
Component is put to the pre- riding position further include:
Using accurate adjustment measurement method, determine described pre- on the basis of the prefabricated polyurethane railway roadbed block sleeper component is under the line
Riding position is simultaneously marked with point.
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| CN109024113B (en) * | 2018-10-13 | 2024-01-23 | 中铁五局集团第六工程有限责任公司 | Subway 25m steel rail short sleeper track panel assembling bench system and assembling method |
| DE102019210289A1 (en) * | 2019-07-11 | 2021-01-14 | Hyperion Verwaltung Gmbh | Ballast-plastic composite body |
| CN113512913A (en) * | 2021-08-20 | 2021-10-19 | 中铁一局集团有限公司 | Construction method of assembled polyurethane solidified track bed of high-speed railway |
| EP4245917A1 (en) | 2022-03-14 | 2023-09-20 | Jürgen Frenzel | Monoblock steel tie and method for its production |
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| CN106522036A (en) * | 2016-12-30 | 2017-03-22 | 和振兴 | Adjustable type ballastless track structure, ballastless track and adjustment method |
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| CN106400613A (en) * | 2016-11-01 | 2017-02-15 | 中国铁道科学研究院铁道建筑研究所 | Ballastless track |
| CN106498814A (en) * | 2016-12-19 | 2017-03-15 | 中铁第五勘察设计院集团有限公司 | A kind of construction equipment of city track traffic U type beam solid concrete roabed and method |
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| CN107313313A (en) | 2017-11-03 |
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