CN108560369A - A kind of setting-out construction method to pave for high speed circuit curved surface - Google Patents
A kind of setting-out construction method to pave for high speed circuit curved surface Download PDFInfo
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- CN108560369A CN108560369A CN201810510630.1A CN201810510630A CN108560369A CN 108560369 A CN108560369 A CN 108560369A CN 201810510630 A CN201810510630 A CN 201810510630A CN 108560369 A CN108560369 A CN 108560369A
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- rail
- setting
- stake
- nose girder
- curved surface
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
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- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of setting-out construction methods to pave for high speed circuit curved surface, belong to technical field of building construction, including：Using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and control stake is laid according to the position of datum mark, and measures elevation and the plan-position of control stake；Low rail point setting-out is carried out, laying low rail in low rail point supports stake, and sets up low rail nose girder in the support stake of low rail；High rail point setting-out is carried out, laying high rail in high rail point supports stake, and sets up high rail nose girder in the support stake of high rail, and bridge-type paver is walked to carry out the work that paves in high rail nose girder and low rail nose girder uplink, and pave required plane and elevation are controlled to meet bridge-type paver.When being paved using this programme progress curved surface, without repeating setting-out and the precision height that paves.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of setting-out construction to pave for high speed circuit curved surface
Method.
Background technology
Skid pad for test vehicle safety and the considerations of comfort, to the high speed circuit curved surface in work progress
Flatness requirement it is more harsh.High speed circuit is mostly important in the use of entire skid pad, and vehicle is in high speed circuit
In curved section driving procedure, speed is exceedingly fast, the effect of simultaneous centripetal force, and this feature requires high speed circuit itself to need to have
Standby higher bearing capacity, stability and flatness.
In the engineering of skid pad, the paving technique for the high speed circuit of bituminous paving includes two kinds, and one is framing booth
Paving, another kind is that tunneling boring paves.Since skid pad engineering is harsh to the flatness requirement of work progress mean camber, therefore use complete
Section paving technique paves, that is, uses bridge-type paver to carry out curved surface and pave, to promote the peace of high speed circuit curved surface driving
Full property and comfort.The advantages of tunneling boring paves is no Longitudinal Construction Jointing, and high speed circuit is made more to smooth out, curved surface driving
Safety and comfort are better.But the bridge-type paver to be paved using tunneling boring is hung using drill rod is made when being paved
Steel wire rope paves as the signal reception of paver, is mismatched with the reception signal of bridge-type paver, and there are prodigious
Amount of deflection, and be broken line connection, the curve quality that paves is seriously affected, the work that paves of bridge-type paver cannot be met, also resulted in
The setting-out of cumbersome repetition works.
Invention content
The purpose of the present invention is to provide a kind of setting-out construction methods to pave for high speed circuit curved surface, to be suitable for bridge
The work that paves of formula paver.
In order to achieve the above object, the present invention uses a kind of setting-out construction method to pave for high speed circuit curved surface, including
Following construction procedure：
Using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and control stake is laid according to the position of datum mark, and
Measure elevation and the plan-position of control stake；
Low rail point setting-out is carried out, laying low rail in low rail point supports stake, and sets up low rail nose girder in the support stake of low rail；
High rail point setting-out is carried out, laying high rail in high rail point supports stake, and sets up high rail nose girder in the support stake of high rail；
Three-dimensional coordinate adjusting is carried out to high rail nose girder, low rail nose girder, pave required plane and height are controlled to meet bridge-type paver
Journey.
Preferably, described using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, according to the position of datum mark
Laying control stake is set, including：
Using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and in reference point location excavation pit, wherein
The position of datum mark does not influence the place of major project construction generally on the inside of stopway, such as rubble lawn or side slope equipotential
It sets；
It is inserted vertically into steel pipe in foundation pit, part of the steel pipe beyond setting height is blocked, and aperture is opened up on steel pipe side wall,
To side-wall outer side projection dome-type vertical control point at aperture, wherein the part beyond setting height refers to copper dish position
When being higher by about 1m than original ground, the height of steel pipe；
Concrete is poured into a mould in steel pipe, and buries copper dish in steel pipe top nozzle, and copper dish centre position, which is equipped with, is used for fixed prism
The bolt of pedestal；
Steel pipe side wall is derusted and painted, and in steel pipe side wall with mileage, elevation, pile No. and offset distance, using as control
Stake.
Preferably, the elevation for measuring control stake and plan-position, including：
According to the three-dimensional coordinate for controlling net known point in the place of skid pad, the elevation of the control stake is carried out using electronic level
It measures, completes the elevation assignment of control stake；
The plane survey that the control stake is carried out using total powerstation, completes the plan-position assignment of control stake.
Preferably, the low rail point is located on the inside of the stopway, and the high rail point is located on the outside of the levee crown road.
Preferably, described to carry out low rail point setting-out, it lays low rail in low rail point and supports stake, and set up in the support stake of low rail
Low rail nose girder, including：
The GPS of stake coordinate altitude data or total powerstation is supported to carry out low rail point setting-out using the low rail is imported in advance；
It in low rail setting-out position, is marked using timber is manually squeezed into layout point position, and I-steel subscript aside
Remember driving depth line；
In the position for squeezing into timber, I-steel is driven underground vertically to mark line, I-steel flange plate both ends using piling machine
Long cylinder nut is respectively welded in plate face, then is connect with the backing plate positioned at I-steel top by stock spiral；
Elevation and the plan-position of backing plate are adjusted by stock spiral, and backing plate is adjusted to horizontal position using horizon rule；
U-steel frame fixation is attached to as nose girder on backing plate using fixing bolt, and backing plate is adjusted such that using total powerstation
Obtain channel steel center and the layout point position consistency on the backing plate, wherein between channel steel and channel steel, smooth-going company is carried out using connector
It connects, ensures that the smooth-going of data-signal is excessive.
Preferably, described to carry out high rail point setting-out, it lays high rail in high rail point and supports stake, and set up in the support stake of high rail
High rail nose girder, including：
The GPS of stake coordinate altitude data or total powerstation is supported to carry out high rail point setting-out using the high rail is imported in advance；
In high rail point position, plain bar is driven underground using impact drill, stake is supported as high rail；
Buckle is installed on plain bar peripheral wall, angle steel being caught in bayonet and by bolt and snapping connection with by angle steel on one side
High rail nose girder is used as on plain bar, the another side of angle steel is horizontal positioned, between angle steel and angle steel using connector into
Row connection, ensures that the smooth-going of data-signal is excessive.
Preferably, further include that accurate adjustment is carried out to the low rail nose girder, specially：
Using electronic level by founding the bar shaped ruler reading high fine tuning absolute altitude of top mark in the channel steel；
The channel steel elevation is adjusted by adjusting the stock screw rod；
Lateral force by unclamping the stock screw rod, and is given in the plan-position that the channel steel is adjusted using total powerstation, adjusts institute
The plan-position of channel steel is stated to design position and tightens fixed backing plate position using the stock screw rod to fix channel steel position.
Preferably, further include that accurate adjustment is carried out to the high rail nose girder, specially：
The elevation of the high rail nose girder is adjusted using electronic level；
By adjusting bolt bolt is tightened when so that the high rail nose girder is to design altitude.
Preferably, after the high rail nose girder and the low rail nose girder installation and debugging, further include：
Bridge-type paver obtains current location and elevation using sensor by the high rail nose girder and the low rail nose girder, with into
Row curved surface paves work；
When paving, the face of paving need to be measured, specifically by total powerstation to bridge-type Paver Hydraulic pipe link position pair
The face that paves answered using golf prism with surveying, timely feedback information and give bridge-type paver, be finely adjusted hydraulic tube.
Preferably, in the high speed circuit curved surface and stopway overlap joint interface, in the high speed circuit curved surface and levee crown
Road overlap joint interface is reserved with setpoint distance.
Compared with prior art, there are following technique effects by the present invention：In this programme one is adjusted by guide rail nose girder precision
After secondary, bridge-type paver is adjusted by itself, is changed parameter by control room computer, is carried out the work that paves of next process,
Without adjusting the three-dimensional data of guide rail, accomplishes a setting-out, be used for multiple times, terminate until paving, i.e., Primary regulation can be for this
Road section surface is used for multiple times, until the end that paves, without repeating setting-out.
Description of the drawings
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail：
Fig. 1 is a kind of flow diagram of the setting-out construction method to pave for high speed circuit curved surface；
Fig. 2 is the front view for controlling stake；
Fig. 3 is the side view for controlling stake；
Fig. 4 is the vertical view for controlling stake；
Fig. 5 is the front view of low rail nose girder；
Fig. 6 is the side view of low rail nose girder；
Fig. 7 is the vertical view of low rail nose girder；
Fig. 8 is the front view of high rail nose girder；
Fig. 9 is the side view of high rail nose girder；
Figure 10 is the vertical view of high rail nose girder；
Figure 11 is high rail Bolted angle connection device vertical view；
Figure 12 is low track slot steel connector front view；
Figure 13 is low track slot steel connector side view.
In figure：
1：Steel pipe；2：Vertical control point；3：Copper dish；4：Low rail supports stake；5：Stock screw rod；6：Backing plate；7：Fixing bolt A；8：
Low rail nose girder；9：High rail supports stake；10：Buckle；11：Fixing bolt B；12：High rail nose girder；13：Bolted angle connection device；14：Long steel
Plate；15：Connecting plate；151：Fixation steel plate；152：Limiting plate.
Specific implementation mode
In order to illustrate further the feature of the present invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used for limiting protection scope of the present invention.
The present embodiment is by providing a kind of setting-out construction method to pave for high speed circuit curved surface, to solve traditional adopt
Existing the problem of repeating setting-out when being paved with tunneling boring paving technique.
To solve the above problems, the general thought of this embodiment scheme is：Distinguish in the top of high speed circuit curved surface, lower part
Installation refers to levee crown road outside, lower part for setting up high rail nose girder and low rail nose girder necessary to bridge-type paves, top
It refers on the inside of stopway, low rail nose girder, as nose girder column, sets up a tablet, on tablet in the above using I-steel
Channel steel is set up, plan-position and the elevation of channel steel are adjusted with total powerstation and electronic level, high rail nose girder is justified using the light of φ 16
Reinforcing bar clasps angle steel as column, using buckle, and the elevation of angle steel is adjusted using total powerstation and electronic level.
As shown in Figure 1, a kind of setting-out construction method to pave for high speed circuit curved surface provided in this embodiment, specific to wrap
Include following construction procedure S101 to S104：
S101, using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and control is laid according to the position of datum mark
Stake, and measure elevation and the plan-position of control stake；
S102, low rail point setting-out is carried out, laying low rail in low rail point supports stake, and sets up low rail nose girder in the support stake of low rail；
Wherein, low rail point is located on the inside of stopway.
S103, high rail point setting-out is carried out, laying high rail in high rail point supports stake, and sets up high rail in the support stake of high rail and lead
Beam；
Wherein, high rail point is located on the outside of levee crown road.
S104, to high rail nose girder, low rail nose girder carry out three-dimensional coordinate adjusting, with meet bridge-type paver control pave needed for
Plane and elevation.
Shown in Fig. 2 to Fig. 4, above-mentioned steps S101：Using GPS, setting-out goes out datum mark on the inside of high speed circuit curved surface
Position, according to datum mark position lay control stake, and measure control stake elevation and plan-position, specific implementation process be：
Go out the position of datum mark using GPS setting-outs, the line space design of adjacent reference point at 70 meters, be conducive to low rail nose girder and
The precision controlling of high rail nose girder, using digging machine in reference point location excavation pit；Steel pipe 1 is inserted vertically into foundation pit, by steel pipe 1
Part beyond setting height is blocked, when setting height here refers to that copper dish position is higher by 1m than original ground, the height of steel pipe
Degree.And an aperture is opened in 1 side wall of steel pipe, in aperture to the horizontally disposed connecting rod of 1 side-wall outer side of steel pipe, shaft end
Projection stainless steel hemispherical mark is as vertical control point 2；To 1 inside concrete perfusion of steel pipe, and nozzle is embedded at an upper portion thereof
Copper dish 3, are useful for the bolt of fixed prism pedestal among copper dish 3, when pre-buried copper dish 3, need that copper dish 3 are modulated water with horizon rule
It is flat, in order to which pedestal adjusts prism levels；It derusts and paints to steel pipe 1, for preventing control stake corrosion and mark label, prevent
It is destroyed in construction, and in 1 side wall of steel pipe with mileage, elevation, pile No. and offset distance, so far, control stake, which is laid, to be completed.
It should be noted that during laying control pile driving construction, inbuilt control stake is 30 total, because of high speed circuit
Curved surface beginning distance is shorter, and it is 50 meters of spacing one that high speed circuit curved surface, which starts several control stakes, remaining is 72 meters of spacing.Pile body
Existing ground is inserted at least 2.5 meters of lower part, and between 1.2 ~ 1.6 meters, top is diameter 16cm, thickness for the part basseted
The discus shape metal of 1cm.Top center is the bolt that rising height is 1.5cm, diameter 1.5cm, is used to twist with prism base
Closed-bite maloccllusion.Pile body top is bumped into the stainless steel hemispherical mark of prominent 4cm as vertical control point 2, and the circle of hemispherical mark is straight
Diameter is 2.5cm, can be erected at levelling rod on hemispherical mark.The white paint of pile body, red paint, and with mileage, height on pile body
Journey, pile No., offset distance are arranged high rail further according to control stake and support stake, and the spacing of high rail control stake is 50-70m.
Further, elevation and the plan-position of control stake are measured in above-mentioned steps S101, effect is to determine control stake
Three-dimensional coordinate, measurement process are：Elevational point is guided to control stake height by control point three-dimensional coordinate using electronic level out of field
On process control point 2, plane coordinates is guided on control stake disk using total powerstation.Can be in practical operation：Use electronic water
Quasi- instrument measures the elevation that low rail controls stake from existing datum mark by tie-in（Electronic level precision is 0.00000, front-and rear-view
It is equal away from answering）.Control the plan-position of stake by datum mark tie-in from a known point using total powerstation（It is front and back before afterwards, 120 °
Survey time, totally 3 times）.
Shown in Fig. 5 to Fig. 7, above-mentioned S102：Low rail point setting-out is carried out, in the low rail support stake of low rail point laying, and
Low rail nose girder is set up in low rail support stake, specific implementation process is：
Calculated in advance goes out low rail support stake 4（That is I-steel）Coordinate altitude data simultaneously imports in instrument, is gone out using instrument setting-out low
Rail supports 4 position of stake and low rail supports 4 depth of stake, and marks in the support stake 4 of low rail；Low rail is supported into stake using piling machine
4 are driven underground to mark line, and the backing plate position corresponding with long cylinder nut above I-steel opens up screw hole, and stock screw rod 5 will be grown
Cylinder nut, screw hole composition are bolted to connect the backing plate of I-steel and upper part, it should be noted that two edge of a wing of I-steel
Welding offers the sheet metal of long cylinder nut on plate, and the processes such as welding are made by factory is unified, in practice of construction directly
Use.Backing plate plate face is vertical with low rail support 4 pile body of stake, and elevation and the plan-position of backing plate are controlled by stock screw rod 5,
Backing plate 6 is adjusted into level using horizon rule（Specially U-shaped steel is buckled on backing plate, horizontal guiding ruler is placed in U-shaped steel, is carried out
It adjusts）, channel steel is then set up as nose girder（Its specific mistake is known as：The steel bar for having protrusion on backing plate puts channel steel side, utilizes
The steel bar of protrusion withstands channel steel, and fixing bolt is recycled to fix channel steel.Channel steel is usually 12 meters long, passes through company between each channel steel
Device connection is connect, interface avoids backing plate position）, backing plate 6 is adjusted using total powerstation, by total station survey, unscrews length
Bar bolt lower nuts, give lateral force, so that nose girder center is in design plane position, then tighten lower nuts, fixed
Firmly backing plate and U-type groove steel position.
It should be noted that during low rail nose girder erection construction, 4 coordinate elevation of stake is supported using low rail is imported in advance
The GPS or total powerstation of data carry out low rail point setting-out, every 2 meters of coordinate points（One unit of every two meters of settings, a list
Member includes all devices such as I-steel, backing plate）.Wherein, the elevation of low rail support stake 4 is that designed path elevation subtracts 6.5cm slots
Steel height and 7cm plates are high.
It in erection process, is marked first with timber is manually squeezed into layout point position, and in a length of 1.2 meters of work
Word steel draws the height for needing to squeeze into.Using I-steel as low rail nose girder column, I-steel is squeezed into low rail point using piling machine,
Being squeezed into I-steel with piling machine needs 2 worker's auxiliary, and it is horizontal vertical that a people is adjusted, and a people carries I-steel and is placed on vertically and beats
Enter the position of timber.
It should be noted that in the low rail nose girder coordinate points of setting-out, error must not exceed 1cm, to avoid timber and work is beaten
It is easy to happen relatively large deviation when word steel.
In practice of construction, the practical elevation of the I-steel accomplished fluently is measured, when measurement subtracts the channel steel height of 6.5cm, and sets
If meter height is compared design and can be used higher than practical 3 ~ 12cm of elevation, if design altitude is less than practical elevation 3cm
I-steel need to be turned again downwards to applicable range, if design altitude is more than practical elevation 12cm, I-steel need to be extracted again
Setting-out is squeezed into；It is ideal value if design altitude is higher than practical elevation 7cm.
In practice of construction, the screw hole coating butter that can be opened up on I-steel plays lubricating action.Then ruler is utilized
The elevation of the backing plate 6 above I-steel is adjusted with level meter（Each need about 3 ~ 6 minutes）, install when backing plate 6 it is first upper on one side again on
Another side.Then 12 meters of long channel steels are placed on adjusted good backing plate 6,2 channel steel interfaces is placed on 2 as possible when placing
Between a I-steel, wherein when two channel steels are attached, link position occur for placement and appear in backing plate position, adopt
Extra is cut away with the method for cutting channel steel.Then with fixing bolt A7, channel steel, fixation is tightly attached on backing plate 6 one by one, long
For 4cm, on the steel bar of wide 0.5cm protrusions.As shown in Figure 12 to Figure 13, connected using channel steel connector between adjacent channel steel
It connects, channel steel connector spacing is 2.5cm, is allowed to Shunping County, avoids faulting of slab ends, wherein channel steel connector includes connecting plate 15 and long steel
Plate 14, connecting plate are in fluted body, and one cell wall is spaced apart several fixation steel plates 151, is opened up on each fixation steel plate
Threaded hole, another cell wall are monoblock limiting plate 152, and the height of limiting plate 152 is more than the height of fixation steel plate 151, water on slot bottom
It keeps flat and is equipped with long steel plate 14, the U-shaped side of two U-type groove steel is individually positioned on the long steel plate 14 of slot bottom, and U-shaped mouth direction is consistent, U
Type groove steel bottom sticks on 152 plate face of limiting plate, bolt cooperation is constituted by threaded hole and the bolt of fixation steel plate 151, by two
Channel steel is attached.
Shown in Fig. 8 to Figure 10, above-mentioned steps S103：High rail point setting-out is carried out, laying high rail in high rail point supports stake,
And high rail nose girder is set up in the support stake of high rail, specific implementation process is：
Calculated in advance goes out the coordinate altitude data of the high rail support i.e. high rail nose girder column of stake 9 and imports in instrument, is put using instrument
Sample goes out the position of high rail nose girder column, high rail nose girder column is driven underground using impact drill, installation card with high rail nose girder week
Button 10, high rail nose girder is snapped onto by buckle 10 on high rail nose girder column, and is fixed high rail nose girder 12 using fixing bolt B11
On column, as shown in figure 11, it is attached using Bolted angle connection device between angle steel and angle steel, ensures the smooth-going of data-signal
Degree, wherein Bolted angle connection device is two steel plates disposed in parallel, and two steel plate corresponding positions open up threaded hole, in two parallel steel plates
Any steel plate both ends are inserted into respectively in two adjacent angle steels, and another steel plate face sticks on adjacent two angle steel outer wall, and passes through spiral shell
Bolt, screw-thread fit connect two adjacent angle steels.
It should be noted that the actual mechanical process that high rail nose girder is set up is：A setting-out is carried out with GPS or total powerstation, it will
Plain bar, which as high rail nose girder column, by total powerstation comes the small prism 10cm of card, to be measured and accomplishes fluently a length of 1 meter of plain bar
Top mark is high, and small prism is special prism, measures anti-length under the absolute altitude at the top of plain bar calculates, tentatively fixes high rail nose girder card
Button, then with ruler anti-height down.It is erected at 6 meters of angle steel as high rail nose girder on plain bar.
As further preferred scheme, the present embodiment also needs after the completion of setting up high rail nose girder and low rail nose girder to height
Rail nose girder and low rail nose girder carry out accurate adjustment, and effect is：Oxygen evolution rate is improved, by control errors within the scope of 1mm, using electronics
Spirit level carries out the accurate measurement of elevation.The accurate adjustment process of low rail nose girder is：First with electronic level to the height of low rail nose girder
Journey is adjusted；Then stock screw rod is adjusted to adjust 6 elevation of backing plate, so as to adjust nose girder elevation；Recycle total powerstation adjustment
Lateral force by unclamping the stock screw rod, and is given in the plan-position of nose girder, and the plan-position for adjusting the channel steel is extremely designed
Fixed backing plate position is simultaneously tightened to fix channel steel position in position using the stock screw rod, completes the accurate adjustment of low rail nose girder.
The concrete operations of low rail nose girder accurate adjustment can be：Using electronic level by founding the bar shaped ruler reading top mark in channel steel
High fine tuning absolute altitude.（Using No. 19 spanners, 2mm is 3 half-turns, and same height, precision controlling should be raised or be declined in both sides simultaneously
In≤± 2mm）.Then total powerstation adjustment channel steel plane distance and position all around is used.（3 points are built a station, rear to adjust before and after first adjusting
Left and right, precision controlling is in≤± 2mm）.
The accurate adjustment process of high rail nose girder is：The elevation of nose girder is adjusted using electronic level, by adjusting bolt,
Bolt is tightened to design altitude.
It should be noted that elevation and plan-position, high rail that bridge-type paver is paved with low rail nose girder Control curve are led
Beam auxiliary controls the elevation that paves, therefore only carries out high-precision requirement to its elevation here.
As further preferred scheme, in above-mentioned steps S104：Three-dimensional coordinate tune is carried out to high rail nose girder, low rail nose girder
Section is controlled pave required plane and elevation to meet bridge-type paver, is also carried out before using paver with surveying, detailed process
For：
By total powerstation every 15 meters, it is placed on each i.e. hydraulic cylinder position of ironing plate interface with high 20cm golf prism and carries out
With surveying, then data are given to bridge-type paver control room inspection（It after setting and having stood, then is placed on low rail and is checked, to bridge-type
The corresponding face that paves of Paver Hydraulic pipe link position using golf prism with surveying, timely feedback information and spread out to bridge-type
Paving machine, is finely adjusted hydraulic tube）.
The curved surface that will be paved will be cleared up, be checked and accepted in advance, high speed circuit curved surface and stopway overlap joint interface,
High speed circuit curved surface reserves a part of distance with levee crown road overlap joint interface, is touched to avoid the plate stretched with the motor spindle that paves
It hits, reduces the manual repair before paving.And road surface cannot too high 20cm（It is not gone under paver fuselage）, artificial at upper and lower edge fit
Repairing, and jolt ramming.
It should be noted that carry out trimming, cleaning clout after the completion of paving, covers geotextiles, nails on nail, daily
3 watering healths.Health opens geotextiles after 7 days, is dug with wheel and carries out milling to speed way, to increase next layer of bonding,
Prevent slump.
It should be noted that bridge-type paver utilizes the high rail nose girder and the mistake that paves of low rail nose girder in the present embodiment
Cheng Wei：
The high rail nose girder and low rail nose girder regulated early period receives foundation as the signal of bridge-type paver coordinate position and elevation,
Bridge-type paver acquires the three-dimensional coordinate information of nose girder by sensor, when being adjusted, then being paved, to control room computer
Parameter modification is carried out, does not change guide rail three-dimensional coordinate to reach, and carries out the method that curved surface paves, the present invention uses steel,
Reduce amount of deflection, ensure that linear continuity, avoids influence of the broken line connection to spreading quality, while improving durable
Property, solve the work of repetition setting-out.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of setting-out construction method to pave for high speed circuit curved surface, which is characterized in that including：
Using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and control stake is laid according to the position of datum mark, and
Measure elevation and the plan-position of control stake；
Low rail point setting-out is carried out, laying low rail in low rail point supports stake, and sets up low rail nose girder in the support stake of low rail；
High rail point setting-out is carried out, laying high rail in high rail point supports stake, and sets up high rail nose girder in the support stake of high rail；
Three-dimensional coordinate adjusting is carried out to high rail nose girder, low rail nose girder, pave required plane and height are controlled to meet bridge-type paver
Journey.
2. the setting-out construction method to pave as described in claim 1 for high speed circuit curved surface, which is characterized in that the utilization
GPS setting-outs on the inside of high speed circuit curved surface go out the position of datum mark, and control stake is laid according to the position of datum mark, including：
Using GPS, setting-out goes out the position of datum mark on the inside of high speed circuit curved surface, and in reference point location excavation pit；
It is inserted vertically into steel pipe in foundation pit, part of the steel pipe beyond setting height is blocked, and aperture is opened up on steel pipe side wall,
To side-wall outer side projection dome-type vertical control point at aperture；
Concrete is poured into a mould in steel pipe, and buries copper dish in steel pipe top nozzle, and copper dish centre position, which is equipped with, is used for fixed prism
The bolt of pedestal；
Steel pipe side wall is derusted and painted, and in steel pipe side wall with mileage, elevation, pile No. and offset distance, using as control
Stake.
3. the setting-out construction method to pave as claimed in claim 2 for high speed circuit curved surface, which is characterized in that the measurement
Elevation and the plan-position of stake are controlled, including：
According to the three-dimensional coordinate for controlling net known point in the place of skid pad, the elevation of the control stake is carried out using electronic level
It measures, completes the elevation assignment of control stake；
The plane survey that the control stake is carried out using total powerstation, completes the plan-position assignment of control stake.
4. the setting-out construction method to pave as described in claim 1 for high speed circuit curved surface, which is characterized in that the low rail
Point is located on the inside of the stopway, and the high rail point is located on the outside of the levee crown road.
5. the setting-out construction method to pave as described in claim 1 for high speed circuit curved surface, which is characterized in that the progress
Low rail point setting-out lays low rail in low rail point and supports stake, and sets up low rail nose girder in the support stake of low rail, including：
The GPS of stake coordinate altitude data or total powerstation is supported to carry out low rail point setting-out using the low rail is imported in advance；
It in low rail setting-out position, is marked using timber is manually squeezed into layout point position, and I-steel subscript aside
Remember driving depth line；
In the position for squeezing into timber, I-steel is driven underground vertically to mark line, I-steel flange plate both ends using piling machine
Long cylinder nut is respectively welded in plate face, then is connect with the backing plate positioned at I-steel top by stock spiral；
Elevation and the plan-position of backing plate are adjusted by stock spiral, and backing plate is adjusted to horizontal position using horizon rule；
U-steel frame fixation is attached to as nose girder on backing plate using fixing bolt, and backing plate is adjusted such that using total powerstation
Obtain channel steel center and the layout point position consistency on the backing plate.
6. the setting-out construction method to pave as described in claim 1 for high speed circuit curved surface, which is characterized in that the progress
High rail point setting-out lays high rail in high rail point and supports stake, and sets up high rail nose girder in the support stake of high rail, including：
The GPS of stake coordinate altitude data or total powerstation is supported to carry out high rail point setting-out using the high rail is imported in advance；
In high rail point position, plain bar is driven underground using impact drill, stake is supported as high rail；
Buckle is installed on plain bar peripheral wall, angle steel being caught in bayonet and by bolt and snapping connection with by angle steel on one side
It is used as high rail nose girder, the another side of angle steel horizontal positioned on plain bar.
7. the setting-out construction method to pave as claimed in claim 5 for high speed circuit curved surface, which is characterized in that further include pair
The low rail nose girder carries out accurate adjustment, specially：
Using electronic level by founding the bar shaped ruler reading high fine tuning absolute altitude of top mark in the channel steel；
The channel steel elevation is adjusted by adjusting the stock screw rod；
Lateral force by unclamping the stock screw rod, and is given in the plan-position that the channel steel is adjusted using total powerstation, adjusts institute
The plan-position of channel steel is stated to design position and tightens fixed backing plate position using the stock screw rod to fix channel steel position.
8. the setting-out construction method to pave as claimed in claim 6 for high speed circuit curved surface, which is characterized in that further include pair
The high rail nose girder carries out accurate adjustment, specially：
The elevation of the high rail nose girder is adjusted using electronic level；
By adjusting bolt bolt is tightened when so that the high rail nose girder is to design altitude.
9. the setting-out construction method to pave as claimed in claim 5 for high speed circuit curved surface, which is characterized in that in the height
After rail nose girder and the low rail nose girder installation and debugging, further include：
Bridge-type paver obtains current location and elevation using sensor by the high rail nose girder and the low rail nose girder, with into
Row curved surface paves work；
When paving, by total powerstation to the corresponding face that paves of bridge-type Paver Hydraulic pipe link position, using golf prism
With surveying, timely feedback information and give bridge-type paver, hydraulic tube is finely adjusted.
10. the setting-out construction method to pave as claimed in claim 4 for high speed circuit curved surface, which is characterized in that described
High speed circuit curved surface is reserved with and sets with stopway overlap joint interface, in the high speed circuit curved surface and levee crown road overlap joint interface
Set a distance.
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| CN111455762A (en) * | 2020-04-20 | 2020-07-28 | 中交一公局第五工程有限公司 | Construction method of basin-shaped curved surface of asphalt concrete in test field |
| CN112144349A (en) * | 2020-09-30 | 2020-12-29 | 湖南梅溪湖建设有限公司 | High-precision paving construction method for asphalt concrete pavement |
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| CN111366961A (en) * | 2020-03-30 | 2020-07-03 | 中铁四局集团第五工程有限公司 | RTK axis lofting measurement method |
| CN111366961B (en) * | 2020-03-30 | 2022-05-20 | 中铁四局集团第五工程有限公司 | RTK axis lofting measurement method |
| CN111455762A (en) * | 2020-04-20 | 2020-07-28 | 中交一公局第五工程有限公司 | Construction method of basin-shaped curved surface of asphalt concrete in test field |
| CN111455762B (en) * | 2020-04-20 | 2022-04-26 | 中交一公局第五工程有限公司 | Construction method of basin-shaped curved surface of asphalt concrete in test field |
| CN112144349A (en) * | 2020-09-30 | 2020-12-29 | 湖南梅溪湖建设有限公司 | High-precision paving construction method for asphalt concrete pavement |
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| CN108560369B (en) | 2021-03-26 |
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