CN106049207B - A kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS and engineering method - Google Patents
A kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS and engineering method Download PDFInfo
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- CN106049207B CN106049207B CN201610635204.1A CN201610635204A CN106049207B CN 106049207 B CN106049207 B CN 106049207B CN 201610635204 A CN201610635204 A CN 201610635204A CN 106049207 B CN106049207 B CN 106049207B
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- track plates
- self
- template
- track
- mortar
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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 provides a kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS and engineering methods.The construction tool includes base board, block pulp template, track plates, track slab precision adjustment device, foundation pile control net, pressing device, anti-sideslip template, walking dolly and mortar tank.Track slab precision adjustment device is mounted on track plates, and track plates are adjusted to the position of design by track slab precision adjustment device combination foundation pile control net.Block pulp template is mounted on track plates surrounding；Pressing device is for compressing track plates to prevent track plates from floating when self-compacting concrete is perfused；Anti- sideslip template can prevent track plates from sliding in curved section；Mortar tank equipped with self-compacting concrete mortar is located on walking dolly, is slipped in the infusion funnel that mortar is sent to above track plates by hopper by inclined, and passes through the reserved perfusing hole of infusion funnel injection.Construction of the present invention is easy to operate, easy to use, greatly improves the speed of construction, has saved manpower and materials, achieves the favorable comment of user.
Description
Technical field
The present invention relates to construction of railways application field, specifically a kind of III type non-fragment orbit self-compacting concretes of CRTS
Construction tool and engineering method.
Background technology
III plate-type non-fragment orbits of CRTS are ground on the basis of summarizing the existing non-fragment orbit research in China with application experience
The non-fragment orbit with entirely autonomous intellectual property sent out and proposed.The main feature point of III plate-type non-fragment orbits of CRTS is：
Layer material is filled under plate and uses self-compacting concrete instead, eliminates original I type and the usual CA mortars of II plate-type non-fragment orbit.
Filled layer is the important feature composition of III plate-type non-fragment orbits of CRTS between track plates and base board under plate
Part plays and forms a connecting link, transmits the key effect from longitudinal and transverse, the vertical load of upper rail guidance tape.As filled layer material under plate
The self-compacting concrete of material need to be poured after the completion of track slab precision adjustment.The surrounding of filled layer is provided under plate to be poured
Self-compacting concrete block pulp template forms a hollow cavity body structure, under plate between block pulp template, base board and track plates
Filled layer is to be formed by self-compacting concrete is poured inside the hollow cavity.Self-compacting concrete is in process of setting
Has the characteristics that no swelling, ungauged regions, indeformable, ensure that the track plates after accurate adjustment will not be deformed by bottom be influenced.
Self-compacting concrete has high fluidity, clearance through and education resistance, only by Gravitative Loads and nothing when pouring
It must vibrate and just closely knit can be molded.Ensure to take off the performance of self-compacting concrete layer after plate such as：Self-compacting concrete perfusion is full, with
Base board and track plates bond close；Surface quality is fine, no laitance and foam Guinier-Preston zone, and craftsmanship air pocket is less；From close
Real homogeneity of concrete is good, consistency is high, cuts section part aggregate and is evenly distributed；Self-compacting concrete smooth-sided compression candles, densification, nothing
Pitted skin etc. will also have stringent raw material ratio, in addition apply other than needing to ensure the performance of self-compacting concrete material itself
Work technique and tooling are also to ensure its Strength Mass and the indispensable part of presentation quality.
Invention content
An object of the present invention is to provide a kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS, to ensure
Ensure construction quality in self-compact concrete in construction, improve speed of application, saves construction cost.
The second object of the present invention is to provide a kind of III type non-fragment orbit self-compact concrete in construction engineering methods of CRTS, the construction
Engineering method operates flexible and convenient, and highly effective is conducive to the guarantee of construction quality, is also beneficial to the guarantee of construction speed.
What an object of the present invention was realized in：A kind of III type non-fragment orbit self-compact concrete in construction works of CRTS
Dress, including：
Base board is embedded with lateral reinforcement when making in its both sides, and the base board is stretched out in the end of the lateral reinforcement
Two opposite lateral surfaces；
Block pulp template is erected at the top surface of the base board；By the short template of quadrangle, the side template of both sides and the cross at both ends
Template is encircled into a rectangular frame, is connected using pressing plate between adjacent forms；The row of round is equipped in the short template
Stomata and plate corresponding with gas vent；
Track plates are laid on the top of the block pulp template；Pre-manufactured hole there are three being set on the track plates, intermediate is pre-
Drilling is perfusing hole, and the pre-manufactured hole at both ends is exhaustion spill hole；
Track slab precision adjustment device is arranged in the both sides of the track plates, for the elevation location and level to the track plates
Position is adjusted；
Foundation pile control net, for coordinate the track slab precision adjustment device with to the track plates elevation location and horizontal position
Accurately adjusted；
Pressing device, including the compression crossbeam that is arranged above the track plates are equipped at the both ends for compressing crossbeam
The lower end of adjustment screw, the adjustment screw is hung on lateral reinforcement pre-buried on base board；
Anti- sideslip template, including be bolted to connection under the vertical beam for compressing beam-end, the vertical beam
End is fixed on by briquetting on the base board；The anti-sideslip template is used to prevent track plates from breakking away in curved section；
Walking dolly is placed between two parallel track plates, is equipped on the walking dolly and is slipped hopper, infusion funnel branch
Support and infusion funnel；It is incline structure to slip hopper, and lower end connects with infusion funnel upper port, and the infusion funnel is located at the track
The top of perfusing hole on plate, the infusion funnel supporting rack is for being supported the infusion funnel；And
Mortar tank is placed on the walking dolly, and self-compacting concrete mortar is loaded in the mortar tank；Mortar
The discharge port of pot bottom connects with the upper end for slipping hopper, and the self-compacting concrete mortar in mortar tank can enter perfusion through slipping hopper
Bucket, then by the perfusing hole among infusion funnel injection orbit plate；The quantity of the mortar tank is two, and two mortar tanks alternately fall
With, and coordinate walking dolly movement, it can be achieved that self-compacting concrete cell block continuous pouring.
The track slab precision adjustment device includes bottom plate and three adjusting screw rods, and ridge design, bottom are provided on the bottom plate
Plate is in contact with the base board, and bottom plate is with the base board gradient having the same but slope aspect is on the contrary, three adjusting screw rods
Respectively it is used to adjust the lifting handle of elevation, the transverse screw for adjusting left and right position and for adjusting the vertical of front and back position
To screw rod.
The discharge outlet of the mortar tank is provided with outlet valve, can control self-compacting concrete husky by the outlet valve
The discharge of slurry.
The infusion funnel includes vertical tube part, intermediate tapered portion and the thin tube part of lower end of upper end；Under the thin tube part
Port is connected by drainage tube with the perfusing hole on track plates；The height of the drainage tube is 70cm.
III type non-fragment orbit self-compact concrete in construction toolings of CRTS provided by the present invention include base board, block pulp mould
Plate, track plates, track slab precision adjustment device, foundation pile control net, pressing device, anti-sideslip template, walking dolly and mortar tank.Block pulp mould
Plate is arranged on base board and corresponding with the surrounding of track plates, and self-compaction is formed between base board, block pulp template and track plates
The confined space of concreting.For monolithic track plates, block pulp template is divided into eight pieces, respectively the short template of quadrangle,
The side template of both sides and the cross template at both ends, in addition to side template, remaining template is used equally for the module of all length unit, cycle
Utilization rate is high, cost-effective, is convenient for construction management.There are three pre-manufactured hole, intermediate composition perfusing hole, the structures at both ends on track plates
At exhaust spout hole, the exhaustion spill hole on track plates is worked with four fillet gas vents one in the short template of block pulp template,
Can effectively prevent multiple spot from pouring the seam of appearance, stomata and laitance accumulation in this way, at the same also ensure perfusing hole to quadrangle away from
From identical, resistance is suitable, and molding concrete density is identical.Track slab precision adjustment device can carry out coarse adjustment to track plates first, so
Coordinate foundation pile control net again afterwards, accurate adjustment is carried out to track plates to realize.Pressing device can compress track plates, to prevent
Casting process middle orbit plate floats.Anti- sideslip template can prevent track plates from along inclined direction gliding in curved section.It walks small
Vehicle is placed between the line between two parallel track plates, and walking dolly is equipped with and slips hopper, infusion funnel supporting rack and infusion funnel, is filled
Note bucket is located at the top of perfusing hole on track plates.Mortar tank is placed on walking dolly, the self-compacting concrete mortar in mortar tank
Infusion funnel can be entered along hopper is slipped, then by the perfusing hole among infusion funnel injection plate, to realize self-compacting concrete
Pour work（Or perfusion work）.The quantity of mortar tank is two, and two mortar tanks are used alternatingly, while a tank is starched,
Another fortune slurry, has effectively saved the construction time.
The second object of the present invention is to what is be achieved：A kind of III type non-fragment orbit self-compact concrete in construction works of CRTS
Method includes the following steps：
A, matching board figure snap the line on base board is pressed, to determine the position of track plates, and track plates are slightly spread by crane；
B, in track plates both sides mounting rail guidance tape micro-adjuster, using track slab precision adjustment device and coordinate foundation pile control net, to rail
Guidance tape elevation and midline position are adjusted, to reach preset requirement；
C, block pulp template on base board is installed, keep formation self-compaction between block pulp template, base board and track plates mixed
The confined space that solidifying soil pours；And pressing device is installed on track plates；Anti- sideslip template to be also installed for curved section；
D, by the canned full self-compacting concrete mortar of mortar, and mortar tank is placed between line on walking dolly；Self-compaction is mixed
Solidifying soil mortar injects rail by walking dolly in the inclined infusion funnel slipped above hopper injection plate by infusion funnel
In perfusing hole among guidance tape；The infusion funnel is hung on the infusion funnel supporting rack of walking dolly, can be moved with walking dolly
It is dynamic；
E, by the movement of walking dolly, and two mortar tanks is coordinated alternately to fall to use, to realize self-compacting concrete unit
The continuous pouring of block.
In step b, track slab precision adjustment device is used to carry out coarse adjustment to track plates first；For one piece of track plates, in its both sides
If there are four track slab precision adjustment devices；Each track slab precision adjustment device includes bottom plate and three adjusting screw rods, is arranged on bottom plate
There are ridge design, bottom plate to be in contact with base board, and bottom plate and the base board gradient having the same but slope aspect are on the contrary, three adjustings
Screw rod is respectively for adjusting the lifting handle of elevation, the transverse screw for adjusting left and right position and for adjusting anteroposterior position
The longitudinal screw set；The up, down, left, right, before and after position of track plates is carried out by three adjusting screw rods of track slab precision adjustment device
Adjustment, to ensure horizontal position deviation within 5mm, elevation location deviation is within 2mm；
Secondly cooperation foundation pile control net carries out accurate adjustment to track plates, specifically：The reality of track plates is measured by foundation pile control net
Border coordinate value, and the deviation between the actual coordinate value of track plates and theoretical coordinate value is calculated, then by track slab precision adjustment device to rail
The spatial position of guidance tape is accurately adjusted；The sequence that first elevation adjusts again horizontal adjustment, horizontal adjustment are followed when accurate adjustment
When ensure opposite both sides while adjusting.
In step c, block pulp template is divided into eight pieces, the respectively short template of quadrangle, the side template of both sides and the transverse mode at both ends
Plate is connected using pressing plate between adjacent forms；Equipped with the gas vent of round and corresponding with gas vent in the short template
Plate, the gas vent for when pouring be discharged confined space gas, prevent self-compacting concrete layer from stomata occur, institute
Plate is stated for preventing self-compacting concrete mortar from overflowing after exhaust；
The pressing device includes the compression crossbeam being arranged above track plates, is equipped with and adjusts at the both ends for compressing crossbeam
The lower end of whole screw rod, the adjustment screw is hung on lateral reinforcement pre-buried on base board；Compression dress on each piece of track plates
Set no less than five；
The anti-sideslip template includes the vertical beam being arranged compressing beam-end, and the lower end of the vertical beam is fixed by briquetting
On base board；It is preset with the mounting hole for connecting vertical beam at the compression crossbeam both ends, the vertical beam is bolted
In the end for compressing crossbeam.
It is perfused before self-compacting concrete mortar into the perfusing hole among track plates in step d, further includes to track
The process that board bottom face is prewetted, specifically：Atomizer is stretched into three pre-manufactured holes from track plates, is rotated a circle, is controlled
Nebulisation time in 10s, keep track plates bottom surface moist and without ponding；On track plates in three pre-manufactured holes, intermediate one is
Two of perfusing hole, both ends are exhaustion spill hole.
It is plugged with overflow pipe on the exhaustion spill hole；The height of the overflow pipe is not less than 30cm；Self-compaction is perfused
During concrete mortar, when self-compacting concrete mortar is overflowed from the gas vent of round in short template, by inserting board
Enter the gas vent of round；When self-compacting concrete mortar enters overflow pipe and in overflow from the exhaustion spill hole at track plates both ends
When rising 30cm in pipe, the outlet valve of mortar tank lower end is closed, stops perfusion；Trolley be movably walking at next piece of track plates,
Carry out the perfusion of next self-compacting concrete cell block.
Before to track plates slightly spread by crane in step a, the track plates lifting hole site first on base board is pre-
Four pieces of chocks identical with self-compacting concrete layer thickness are first placed, track plates are positioned on headblock by crane later；Step
In rapid b after mounting rail guidance tape micro-adjuster, track plates are slightly lifted using track slab precision adjustment device, remove four below track plates
Block chock.
Construction provided by the present invention is constantly groped, is continuously improved, no during with construction team unity
Disconnected innovation, the engineering method of a whole set of the highly effective finally summed up are conducive to the guarantee of construction quality, be also beneficial to construct into
The guarantee of degree, all processes continuously penetrate through, and operate flexible and convenient, are effectively improved in the construction of self-compacting concrete filled layer
The efficiency of construction, accelerates the progress of construction.
Description of the drawings
Fig. 1 is the structural facades schematic diagram of construction tool in the present invention.
Fig. 2 is the structural plan schematic diagram of construction tool in the present invention.
The floor plan of block pulp template and track slab precision adjustment device corresponding to Fig. 3 monolithic track plates of the present invention.
In figure：1, base board, 2, block pulp template, 3, track plates, 4, pressing device, 5, walking dolly, 6, mortar tank, 7, fill
Note bucket supporting rack, 8, slip hopper, 9, infusion funnel, 10, track slab precision adjustment device, 11, perfusing hole, 12, exhaustion spill hole, 13, short mould
Plate, 14, side template, 15, cross template, 16, gas vent, 17, anti-sideslip template.
Specific implementation mode
Embodiment 1, a kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS.
As depicted in figs. 1 and 2, III type non-fragment orbit self-compact concrete in construction toolings of CRTS provided by the present invention include
Base board 1, block pulp template 2, track plates 3, pressing device 4, anti-sideslip template 17, track slab precision adjustment device 10, foundation pile control net（I.e.
CPⅢ）, walking dolly 5 and mortar tank 6.
Base board 1 is embedded with lateral reinforcement when making in its both sides, and the end of lateral reinforcement stretches out two of base board 1
Opposite lateral surface.Track plates 3 are located on base board 1, and space between the two is to pour（Or perfusion）Self-compaction
Concrete layer.Two row track plates 3 are arranged side by side, and each row are made of several pieces of 3 sequentials of track plates.2 frame of block pulp template
It is located at the top surface of base board 1, and is correspondingly arranged at the surrounding of 3 lower section of track plates, block pulp template 2 is vertically arranged, so that bottom
The casting space of self-compacting concrete is formd between seat board 1, block pulp template 2 and track plates 3.As shown in figure 3, for one piece
For track plates 3, be divided into eight pieces in the block pulp template of its surrounding, respectively the short template 13 of the four of quadrangle, both sides two sides
Two cross templates 15 at template 14 and both ends, eight pieces of templates are encircled into a rectangular frame, in eight pieces of modules between adjacent forms
It is connected using pressing plate.The position to connect with cross template 15 in short template 13 is provided with the gas vent 16 of round, and gas vent 16 can
It is blocked by corresponding arc-shaped insert plate.
Track slab precision adjustment device 10, which is arranged, is used for the elevation location to track plates 3 and horizontal position in the both sides of track plates 3
It is adjusted.Track slab precision adjustment device 10 includes bottom plate and three adjusting screw rods, and ridge design, bottom plate and bottom are provided on bottom plate
Seat board 1 is in contact, and bottom plate with 1 gradient having the same of base board but slope aspect on the contrary, three adjusting screw rods are respectively for adjusting
Save lifting handle, the transverse screw for adjusting left and right position and the longitudinal screw for adjusting front and back position of elevation.To rail
After guidance tape 3 is laid with, can coarse adjustment first be carried out to the elevation location of track plates 3 and horizontal position by track slab precision adjustment device 10, so
The elevation location of track plates 3 and horizontal position are accurately adjusted in conjunction with foundation pile control net afterwards.
Behind the position for adjusting track plates 3, it is necessary to be carried out to track plates 3 using pressing device 4 and anti-sideslip template 17
It is fixed.Pressing device 4 includes the compression crossbeam being arranged above track plates 3, is equipped with adjustment screw at the both ends for compressing crossbeam, adjusts
The lower end of whole screw rod is hung on lateral reinforcement pre-buried on base board 1.Anti- sideslip template 17 includes being bolted to connection
The vertical beam of beam-end is compressed, the lower end of vertical beam is fixed on by briquetting on base board 1；Anti- sideslip template 17 is used in curved section
Prevent track plates 3 from breakking away.
Walking dolly 5 is placed between the track plates 3 of two-column parallel, is equipped on walking dolly 5 and is slipped hopper 8, infusion funnel branch
Support 7 and infusion funnel 9；It is incline structure to slip hopper 8, and lower end connects with 9 upper port of infusion funnel, and infusion funnel 9 is located at track plates 3
The top of upper perfusing hole 11, tank note bucket 9 are hung on the infusion funnel supporting rack 7 of walking dolly, can be moved together with walking dolly,
Track plates will not be applied with additional power, the deformation that track plates will not be caused additional realizes modular with being also convenient for when pouring
Concrete block pours.It is set on track plates 3 there are three pre-manufactured hole, intermediate pre-manufactured hole is perfusing hole 11, two of both ends
Pre-manufactured hole is exhaustion spill hole 12.
Mortar tank 6 is placed on walking dolly 5, and self-compacting concrete mortar is loaded in mortar tank 6；Mortar tank 6
Bottom is discharge port, and discharge port connects with the upper end for slipping hopper 8, and the self-compacting concrete mortar in mortar tank 6 can be through slipping material
Slot 8 enters infusion funnel 9, then by the perfusing hole 11 among 9 injection orbit plate of infusion funnel 3, self-compacting concrete mortar is perfused certainly
Mouth 11 enters the casting space between base board 1, block pulp template 2 and track plates 3, in order to form self-compacting concrete layer.
Infusion funnel 9 includes vertical tube part, intermediate tapered portion and the thin tube part of lower end of upper end；The lower port of thin tube part passes through
Drainage tube connects with the perfusing hole 11 on track plates 3.The height of general setting drainage tube is 70cm, and drainage tube can be inserted into perfusing hole
In 11.Equally, the pluggable overflow pipe on exhaustion spill hole 12, when pouring self-compacting concrete mortar, by observation, if finding
Self-compacting concrete mortar overflows from exhaustion spill hole 12 and enters in overflow pipe, when self-compacting concrete mortar is in overflow pipe
Height when reaching 30cm, that is, stop perfusion.Therefore, the height of overflow pipe generally setting is not less than 30cm.
The discharge outlet of mortar tank 6 is provided with outlet valve, the stream of self-compacting concrete mortar is can control by outlet valve
Output, rate of outflow etc..The quantity of mortar tank 6 is two in the present invention, and two mortar tanks alternately fall to use, and coordinate walking dolly
5 movement, it can be achieved that self-compacting concrete cell block continuous pouring.
Embodiment 2, a kind of III type non-fragment orbit self-compact concrete in construction engineering methods of CRTS.
Construction operation is carried out successively by following process in the present invention, be respectively track plates slightly spread, track plates coarse adjustment and accurate adjustment,
Form work engineering（Installation including block pulp template, pressing device and anti-sideslip template）, self-compacting concrete pours.Construction is not handed over
Operation is pitched, construction management is convenient for.
Qualified and intermediate geotextiles bed course is finished and recheck in base board construction and the construction of groove elastic insert finishes and multiple
After inspection is qualified, you can carry out the construction of self-compacting concrete filled layer.
Track plates are slightly spread：Prefabricated track plate transporting is sent to construction site first, is matched by designed on base board
Plate figure releases the position contour line of respective rail plate, later on the inside of the track slab precision adjustment device bearing of base board setting-out at about 10cm
（I.e. track plates lift hole location）Respectively place a chock, one piece of track plates correspond to four chocks, the thickness of chock with it is to be poured
The thickness for the self-compacting concrete layer built is identical；After chock is put well, is hung by vehicle or corresponding track plates are placed on chock by gantry crane.
Using setting-out contour line as foundation, longitudinal chock to compress design plate stitch size ensures rail as foundation for the left and right position of track plates
The position deviation of guidance tape is within ± 10mm.
Track plates coarse adjustment：Mounting rail guidance tape micro-adjuster at embedded part of track slab after thick paving, one piece of track plates correspond to four
A track slab precision adjustment device, between track slab precision adjustment device and embedded part of track slab using M24 bolt connection.Track is paid attention to when installation
Plate micro-adjuster left-right and front-back is symmetrical, it is made to reserve enough adjusting spaces front and back up and down.Track slab precision adjustment device is installed
After track plates should slightly be lifted using track slab precision adjustment device, withdraw under track plates be used for temporary support chock.
Middle orbit plate micro-adjuster of the present invention uses large-area backplane, and ridge design is arranged on bottom plate, to increase and ground
The adhesive force and stability in face.The bottom plate floor design of track slab precision adjustment device is at inclined-plane, and the inclined-plane and base board of bottom plate bottom surface
Weathering slope design it is identical, but slope aspect is on the contrary, to ensure that track plates plate face is vertical with track slab precision adjustment device, to ensure height
Journey does not influence the precision of track plates horizontal direction when adjusting, and then improves the efficiency of accurate adjustment.Track slab precision adjustment device is per se with three
A adjusting screw rod is respectively used to adjust the lifting handle of elevation, the transverse screw for adjusting left and right position and for adjusting
The longitudinal screw for saving front and back position, can be in six orientation of up, down, left, right, before and after to track plates by track slab precision adjustment device
Spatial position is adjusted.
When carrying out coarse adjustment to track plates using track slab precision adjustment device, first level-off position, then journey is turned up, when horizontal adjustment, answers
Ensure that left and right side adjusts simultaneously, front side and rear side adjust simultaneously, ensure the horizontal position deviations of track plates ± 5mm with
It is interior.Elevation adjustment is controlled without the adjacent two pieces of tracks plate top surface relative altitude in gradient location no more than 2mm with straight line.1m can be used
The track plates that long horizon rule overlap joint lastblock has mixed up are foundation, press one end, survey other end height difference and checked.
Track slab precision adjustment：CPIII measuring instruments are installed, and PDA Survey Softwares is coordinated to survey and draw the position of track plates,
The deviation between measured value and theoretical value is calculated by the coordinate value measured, under the commander of surveyor, by four operators
Member is adjusted four track slab precision adjustment devices, until the spatial position of track plates meets design requirement.First height is followed when accurate adjustment
Horizontal adjustment sequence, operating personnel accept the commander of surveyor, hand-in-glove after journey；A lower piece track plates are wanted when elevation adjustment
It is overlapped with lastblock, the smooth-going to ensure sliver is excessive, and when horizontal adjustment answers the left and right sides while adjusting, and front and rear sides are simultaneously
Adjustment.Curved section will ensure that second track center line of track plates inward at both ends is overlapped with track plates center line.Accurate adjustment is completed
Accurate adjustment place will significantly identify accurate adjustment area afterwards, and warning line is arranged, forbids trampling the track plates that accurate adjustment is completed, to prevent track plates
Deform and influence the precision of postorder track laying.
Form work engineering：The installation of block pulp template is carried out after the completion of accurate adjustment, block pulp template is divided into eight pieces, and respectively quadrangle is short
The cross template of template, the side template of both sides and both ends, each template is linked in sequence in eight pieces of templates, each template and the track mixed up
Plate side is sturdy, and side is adjacent to and is fixed with track plates with the hold-down bolt on the vertical beam set by pressing device end.Side form
It is compressed with adjustable support between plate, total simple installation, it is quick practical.Block pulp template cross-species transferability in the present invention
It is good, it is not bolted between eight pieces of templates of block pulp template, all using platen design.It is designed with 70 between two track plates
Or the plate stitch of 80mm, adjacent cross template are compressed with x type fixing brackets, four x type fixing brackets of every two pieces of cross templates, to protect
Template will not be deformed because of the excessive pressure of concrete when card pours.In addition to side template, remaining template is used equally for all length
The module of unit, cyclic utilization rate is high, cost-effective, is convenient for construction management.
The gas vent equipped with round and arc-shaped insert plate corresponding with the gas vent in the short template of quadrangle.Block pulp template
Confined space is formed between track above plate and following base board, to realize pouring for self-compacting concrete layer.Exhaust
The setting in hole is in order to which the air of confined space is discharged when pouring, prevents self-compacting concrete layer from the stomata of large area occur.
Plate is the spilling that self-compacting concrete mortar is prevented after exhaust.All templates are connected using pressing plate, firm and reliable connection,
Seam is tight, and installation and dismounting are all extremely convenient.The design of the especially round gas vent of quadrangle is more advantageous to strong concrete
The guarantee of degree and presentation quality.
Block pulp template will install pressing device in time after installing, to prevent track plates when self-compacting concrete is perfused
It floats.The concrete structure of pressing device is：In the top of track plates, setting compresses crossbeam, and M22 is arranged at the both ends for compressing crossbeam
Adjustment screw, the lower end of adjustment screw is hung on lateral reinforcement pre-buried on base board.It compresses crossbeam and adjustment screw is common
Effect, can compress track plates.In superrelation on curve section, to prevent track plates from sliding, anti-sideslip is set in superrelation on curve section
Template.The concrete structure of anti-sideslip template is：The both ends that crossbeam is compressed in pressing device are bolted vertical beam, under vertical beam
End is fixed on by briquetting on base board.Anti- sideslip stencil design is detachable structure, by reserving positioning on compressing crossbeam
Mounting hole improves the cyclic utilization rate of pressing device, reduces management cost.Anti- sideslip mould is equipped with for curved section
When plate, the pressing force for compressing crossbeam wants moderate, to prevent excessive pressing force from track plates being made to generate planar slip.It is entire to ensure
Track plates stress equalization, and the float-amount of self-compacting concrete filling process middle orbit plate is within the limits prescribed, every piece of track
At least five pressing devices should be arranged in plate.Compress crossbeam on, the compact heap on vertical beam it is corresponding with the pressing plate in template, press simultaneously
Tight block pulp template.
Self-compacting concrete is perfused：To ensure that the result of accurate adjustment is not influenced by weather, temperature, humidity etc., accurate adjustment operation
Completion carries out the perfusion work of self-compacting concrete in 24 hours.It, can to prevent sunlight on daytime from reflecting the influence to measurement accuracy
Using night accurate adjustment, the method poured in the daytime, to pay attention to the temperature difference no more than 15 DEG C.Be perfused previous hour to track plates bottom surface into
Row is prewetted.Method is to put in atomizer out of track plates three pre-manufactured holes, is rotated a circle, time control at ten seconds or so,
Keep track plates bottom surface moist and without ponding.Prefabricated self-compacting concrete mortar is first injected in mortar tank, mortar tank is placed
In on walking dolly, walking dolly is located between the line of two-wire；There are outlet valve, walking dolly to be equipped with and slip hopper on mortar tank, and
By the infusion funnel supporting rack on walking dolly infusion funnel has been hung above track plates perfusing hole.Self-compaction coagulation in mortar tank
Native mortar enters infusion funnel along slipping hopper under gravity, and the infusion funnel discharge port guidance tape that leaves the right or normal track has 70cm, in gravity stream
Under the action of, mortar enters following enclosure space from the perfusing hole among track plates, forms self-compacting concrete filled layer.
In filling process, the defluent speed of mortar is examined, ensures that the continuity of blanking, centre must not stop, to prevent bringing sky into
Gas.And by the outlet valve on mortar tank, load is controlled, in line with principle first quick and back slow, and observation track plates are paid attention at any time
The gas vent in the exhaustion spill hole and the quadrangle in block pulp template of both sides, when the gas vent of the quadrangle in block pulp template has mortar to overflow
When going out, the arc-shaped insert plate of quadrangle is installed immediately, and reduces blanking velocity, to ensure that air all empties in middle layer.Work as track
When the exhaustion spill hole inner concrete of plate both sides is higher by track plates 30cm, stop perfusion.Lower slack tank is hung, the trolley that is movably walking arrives down
One piece, place another canful mortar tank transported, you can carry out next piece of construction.
Mortar tank designs the dosage that volume is cell block self-compacting concrete mortar, just can enter one with tank per tank mortar
Block, when a mortar tank perfusion finishes, another mortar tank has been filled with material and is conveyed through, and two tanks are used alternatingly, a tank slurry
While, another fortune slurry has effectively saved the construction time, has shortened the duration.
All processes can be worked continuously as unit of cell block, and section construction, all process steps do not have cross-operation,
Construction organization is easy to operation, simple and clear, and construction efficiency is high, and is easy to ensure that construction quality, manager can go.
Construction of the present invention is easy to operate, easy to use, greatly improves the speed of construction, has saved manpower object
Power achieves the favorable comment of user.
Claims (5)
1. a kind of III type non-fragment orbit self-compact concrete in construction toolings of CRTS, characterized in that including：
Base board is embedded with lateral reinforcement when making in its both sides, and the end of the lateral reinforcement stretches out the two of the base board
A opposite lateral surface；
Block pulp template is erected at the top surface of the base board；By the short template of quadrangle, the side template of both sides and the cross template at both ends
It is encircled into a rectangular frame, is connected using pressing plate between adjacent forms in eight pieces of templates；Fillet is equipped in the short template
The gas vent of shape and plate corresponding with gas vent；
Track plates are laid on the top of the block pulp template；Pre-manufactured hole there are three being set on the track plates, intermediate pre-manufactured hole
Pre-manufactured hole for perfusing hole, both ends is exhaustion spill hole；Overflow pipe is plugged on the exhaustion spill hole, the overflow pipe
Height is not less than 30cm；When self-compacting concrete mortar enters overflow pipe and in overflow pipe from the exhaustion spill hole at track plates both ends
When interior rising 30cm, stop perfusion；
Track slab precision adjustment device is arranged in the both sides of the track plates, is used for the elevation location to the track plates and horizontal position
It is adjusted；
Foundation pile control net, for coordinate the track slab precision adjustment device with to the track plates elevation location and horizontal position carry out
Accurate adjustment；
Pressing device, including the compression crossbeam that is arranged above the track plates are equipped with adjustment at the both ends for compressing crossbeam
The lower end of screw rod, the adjustment screw is hung on lateral reinforcement pre-buried on base board；
Anti- sideslip template, including be bolted to connection in the vertical beam for compressing beam-end, the lower end of the vertical beam is logical
Briquetting is crossed to be fixed on the base board；The anti-sideslip template is used to prevent track plates from breakking away in curved section；
Walking dolly is placed between two parallel track plates, is equipped on the walking dolly and is slipped hopper, infusion funnel supporting rack
And infusion funnel；It is incline structure to slip hopper, and lower end connects with infusion funnel upper port, and the infusion funnel is located on the track plates
The top of perfusing hole, the infusion funnel supporting rack is for being supported the infusion funnel；And
Mortar tank is placed on the walking dolly, and self-compacting concrete mortar is loaded in the mortar tank；Mortar tank bottom
The discharge port in portion connects with the upper end for slipping hopper, and the self-compacting concrete mortar in mortar tank can enter infusion funnel through slipping hopper,
Again by the perfusing hole among infusion funnel injection orbit plate；The quantity of the mortar tank is two, and two mortar tanks alternately fall to use,
And coordinate walking dolly movement, it can be achieved that self-compacting concrete cell block continuous pouring；
The track slab precision adjustment device includes bottom plate and three adjusting screw rods, is provided with ridge design on the bottom plate, bottom plate with
The base board is in contact, and bottom plate and the base board gradient having the same but slope aspect are on the contrary, three adjusting screw rods are distinguished
For the lifting handle for adjusting elevation, the transverse screw for adjusting left and right position and longitudinal spiral shell for adjusting front and back position
Bar.
2. III type non-fragment orbit self-compact concrete in construction toolings of CRTS according to claim 1, characterized in that described
The discharge outlet of mortar tank is provided with outlet valve, and the discharge of self-compacting concrete mortar is can control by the outlet valve.
3. III type non-fragment orbit self-compact concrete in construction toolings of CRTS according to claim 1, characterized in that the filling
Note bucket includes vertical tube part, intermediate tapered portion and the thin tube part of lower end of upper end；The lower port of the thin tube part passes through drainage tube
Connect with the perfusing hole on track plates；The height of the drainage tube is 70cm.
4. a kind of III type non-fragment orbit self-compact concrete in construction engineering methods of CRTS, characterized in that include the following steps：
A, matching board figure snap the line on base board is pressed, to determine the position of track plates, and track plates are slightly spread by crane；
B, in track plates both sides mounting rail guidance tape micro-adjuster, using track slab precision adjustment device and coordinate foundation pile control net, to track plates
Elevation and midline position are adjusted, to reach preset requirement；
C, block pulp template on base board is installed, make to form self-compacting concrete between block pulp template, base board and track plates
The confined space poured；And pressing device is installed on track plates；Anti- sideslip template to be also installed for curved section；
D, by the canned full self-compacting concrete mortar of mortar, and mortar tank is placed between line on walking dolly；Self-compacting concrete
Mortar passes through infusion funnel injection orbit plate by walking dolly in the inclined infusion funnel slipped above hopper injection plate
In intermediate perfusing hole；The infusion funnel is hung on the infusion funnel supporting rack of walking dolly, can be moved together with walking dolly；
E, by the movement of walking dolly, and two mortar tanks is coordinated alternately to fall to use, to realize self-compacting concrete cell block
Continuous pouring；
In step b, track slab precision adjustment device is used to carry out coarse adjustment to track plates first；For one piece of track plates, it is equipped in its both sides
Four track slab precision adjustment devices；Each track slab precision adjustment device includes bottom plate and three adjusting screw rods, is provided on bottom plate recessed
Convex decorative pattern, bottom plate are in contact with base board, and bottom plate is with the base board gradient having the same but slope aspect is on the contrary, three adjusting screw rods
It is respectively used to adjust the lifting handle of elevation, the transverse screw for adjusting left and right position and for adjusting front and back position
Longitudinal screw；The up, down, left, right, before and after position of track plates is adjusted by three adjusting screw rods of track slab precision adjustment device,
To ensure horizontal position deviation within 5mm, elevation location deviation is within 2mm；
Secondly cooperation foundation pile control net carries out accurate adjustment to track plates, specifically：The practical seat of track plates is measured by foundation pile control net
Scale value, and the deviation between the actual coordinate value of track plates and theoretical coordinate value is calculated, then by track slab precision adjustment device to track plates
Spatial position accurately adjusted；Follow the sequence of first elevation adjustment horizontal adjustment again when accurate adjustment, when horizontal adjustment protects
It demonstrate,proves opposite both sides while adjusting；
In step c, block pulp template is divided into eight pieces, the respectively short template of quadrangle, the side template of both sides and the cross template at both ends, and eight
It is connected using pressing plate between adjacent forms in block template；In the short template equipped with round gas vent and with gas vent phase
Corresponding plate, gas of the gas vent for confined space to be discharged when pouring, prevents self-compacting concrete layer from gas occur
Hole, the plate after exhaust for preventing self-compacting concrete mortar from overflowing；
The pressing device includes the compression crossbeam being arranged above track plates, and adjustment spiral shell is equipped at the both ends for compressing crossbeam
The lower end of bar, the adjustment screw is hung on lateral reinforcement pre-buried on base board；Pressing device on each piece of track plates is not
Less than five；
The anti-sideslip template includes the vertical beam being arranged compressing beam-end, and the lower end of the vertical beam is fixed on bottom by briquetting
On seat board；It is preset with the mounting hole for connecting vertical beam at the compression crossbeam both ends, the vertical beam is bolted on institute
State the end for compressing crossbeam；
It is perfused before self-compacting concrete mortar into the perfusing hole among track plates in step d, further includes to track plates bottom
The process that face is prewetted, specifically：Atomizer is stretched into three pre-manufactured holes from track plates, is rotated a circle, control atomization
Time in 10s, keep track plates bottom surface moist and without ponding；On track plates in three pre-manufactured holes, intermediate one is to be perfused
Mouthful, two of both ends are exhaustion spill hole；
It is plugged with overflow pipe on the exhaustion spill hole；The height of the overflow pipe is not less than 30cm；Self-compaction coagulation is perfused
During native mortar, when self-compacting concrete mortar is overflowed from the gas vent of round in short template, plate is inserted into and is justified
Angular gas vent；When self-compacting concrete mortar enters overflow pipe and in overflow pipe from the exhaustion spill hole at track plates both ends
When rising 30cm, the outlet valve of mortar tank lower end is closed, stops perfusion；Trolley be movably walking at next piece of track plates, carries out
The perfusion of next self-compacting concrete cell block.
5. III type non-fragment orbit self-compact concrete in construction engineering methods of CRTS according to claim 4, characterized in that step a
In track plates slightly spread by crane before, track plates first on base board lifting hole site be pre-placed four pieces with from
Track plates, are positioned on headblock by crane by the identical chock of air-free concrete layer thickness later；In attachment rail in step b
After plate micro-adjuster, track plates are slightly lifted using track slab precision adjustment device, remove four pieces of chocks below track plates.
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| CN110219246A (en) * | 2019-06-18 | 2019-09-10 | 中铁十六局集团有限公司 | A kind of large span flexible bridge Construction of Ballastless Track method |
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| CN107119514A (en) * | 2017-05-15 | 2017-09-01 | 中铁四局集团机电设备安装有限公司 | A kind of complete frock of the plate-type unballasted track bed plates of CRTS III construction |
| CN107083726A (en) * | 2017-06-22 | 2017-08-22 | 中交隧道工程局有限公司 | The plate-type fragment-free track slab self-compacting concretes four of CRTS III connect block constructing device and method |
| CN111705568B (en) * | 2020-06-30 | 2021-12-17 | 中咨数据有限公司 | Construction method for smart city construction rail traffic engineering |
| CN114559527A (en) * | 2022-02-23 | 2022-05-31 | 中建八局第二建设有限公司 | Track beam manufacturing method based on reverse operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101006462B1 (en) * | 2008-07-23 | 2011-01-06 | 한상국 | Railroad way concrete other opinion system and the method which are space-time on the tunnel inside |
| CN103046441A (en) * | 2012-12-27 | 2013-04-17 | 中国建筑第六工程局有限公司 | Slab ballastless track self-compacting concrete pouring construction method |
| CN103790083A (en) * | 2014-02-26 | 2014-05-14 | 中铁五局（集团）有限公司 | Construction technology of self-compacting concrete filling layer of plate type ballastless track of high-speed railway |
| CN204059116U (en) * | 2014-08-20 | 2014-12-31 | 中国建筑土木建设有限公司 | Plate-type ballastless track plate self-compacting concrete device for casting |
| CN204185734U (en) * | 2014-09-16 | 2015-03-04 | 廊坊合力天一机械设备有限公司 | CRTS III plate-type non-fragment orbit self-compacting concrete is built and is used block pulp device |
| CN104328717B (en) * | 2014-09-30 | 2016-02-10 | 廊坊合力天一机械设备有限公司 | CRTS III plate-type non-fragment orbit self-compacting concrete builds frock and method |
| CN204401377U (en) * | 2014-12-29 | 2015-06-17 | 北京星河模板脚手架工程有限公司 | Adjustable ballastless track self-compacting concrete perfusion gang form |
| CN205917544U (en) * | 2016-08-05 | 2017-02-01 | 廊坊合力天一机械设备有限公司 | III type ballastless track self -compaction concrete construction frocks of CRTS |
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| CN110219246A (en) * | 2019-06-18 | 2019-09-10 | 中铁十六局集团有限公司 | A kind of large span flexible bridge Construction of Ballastless Track method |
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