CN110242317A - A kind of shield tunnel transverse precision control method - Google Patents
A kind of shield tunnel transverse precision control method Download PDFInfo
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- CN110242317A CN110242317A CN201910552971.XA CN201910552971A CN110242317A CN 110242317 A CN110242317 A CN 110242317A CN 201910552971 A CN201910552971 A CN 201910552971A CN 110242317 A CN110242317 A CN 110242317A
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- control point
- control
- tunnel
- total station
- shield tunnel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
Abstract
The invention discloses a kind of shield tunnel transverse precision control methods, comprising the following steps: azimuthal primary acquisition between one, ground control side and real north；Two, the azimuth controlled between side and real north in tunnel is obtained；Three, the acquisition of the grid azimuth on side is controlled；Four, the amendment of control side coordinate points and tunnel lateral direction tunneling direction obtain in shield tunnel.Step of the present invention is simple, design is rationally and realization is convenient, extension wire control side in the shield tunnel calculated by gyrostatic orientation survey grid azimuth traverse method is modified, obtain revised control point coordinates, use revised tunnel control side for tunnel lateral direction tunneling direction, it instructs shield machine along design axis driving, shield tunnel transverse precision is further increased, line style tunnel piercing azimuth deviation is avoided.
Description
Technical field
The invention belongs to shield tunnel technical fields, more particularly, to a kind of shield tunnel transverse precision control method.
Background technique
Shield tunnel is to promote Shield-type machinery in ground, and supporting surrounding country rock by shield shell and section of jurisdiction prevents from sending out
The raw collapsing in tunnel, while soil excavation is carried out with cutting apparatus in front of excavation face, by being unearthed, machinery is transported outside hole,
By jack in rear pressurization jacking, and assembled precast concrete section of jurisdiction, form tunnel structure.But the tunnel of shield construction
Interior narrow space generally carries out tunnel horizontal control survey using open traverse form.As shield machine driving length of tunnel is continuous
Increase, underground conducting wire extends foundation therewith, and the control of open traverse transverse precision is more difficult.Because lateral error of traverse is extended into conducting wire
Increasing trend, conducting wire is longer increase speed it is faster.Lateral error is excessive to cause shield molding tunnel to be unsatisfactory for driving limit.Cause
This, it is simple nowadays to lack a kind of method and step, designs reasonable shield tunnel transverse precision control method, is surveyed by gyrocompassing
Extension wire control side in the shield tunnel that amount grid azimuth calculates traverse method is modified, and obtains revised control
Point coordinate, uses revised tunnel control side for tunnel lateral direction tunneling direction, shield machine is instructed to tunnel, to shield tunnel transverse direction
Precision further increases, and avoids line style tunnel piercing azimuth deviation.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of shield tunnel
Transverse precision control method, method and step is simple, and design is rationally and realization is convenient, by gyrostatic orientation survey grid azimuth pair
Extension wire control side in the shield tunnel that traverse method calculates is modified, and revised control point coordinates is obtained, using repairing
Tunnel control side after just is tunnel lateral direction tunneling direction, instructs shield machine along design axis driving, to the lateral essence of shield tunnel
Degree further increases, and avoids line style tunnel piercing azimuth deviation.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of shield tunnel transverse precision controlling party
Method, which is characterized in that method includes the following steps:
Step 1: azimuthal primary acquisition between ground control side and real north:
Control point A and control point B is arranged in shield tunnel entrance station main body overhead surface in step 101, obtains in Gauss
Coordinate (the X of control point A under plane coordinate systemA,YA) and control point B coordinate (XB,YB)；And control point A and control point B is connected
Line is denoted as control side AB；
Step 102 sets up gyroscope total station in the control point A, sets up circle prism in the control point B；And in gyro
The latitude value φ of input control point A in total stationA；
Step 103 obtains azimuthal one-shot measurement value between control side AB and real north using gyroscope total station
A0；
Step 2: obtaining the azimuth controlled between side and real north in tunnel:
Control point P1 is arranged in step 201 in shield tunnel, and control point P2 is arranged in the direction of advance of shield tunnel, obtains
Take the coordinate (X of the control point P1 under Gauss plane coordinate systemP1,YP1) and control point P2 coordinate (XP2,YP2)；And by control point
P1 and control point P2 line are denoted as control side P1P2；
Step 202 sets up gyroscope total station in the control point P1, sets up circle prism in the control point P2；And in top
The latitude value φ of input control point P1 in spiral shell total stationp1；
Step 203 obtains control side P using gyroscope total station1P2Azimuth A between real north2；
Step 3: the acquisition of the grid azimuth on control side:
Step 301 repeats step 103, obtains azimuthal secondary measurements A between control side AB and real north
′0；
Step 302, using computer according to formulaIt obtains control side AB and Gaussian plane is sat
The angle α of X-direction in mark system0；
Step 303, using computer according to formulaObtain the constant Δ of gyroscope total station；
Step 304, using computer according to formulaObtain the two mean latitude φ for setting mirror point；Using meter
Calculation machine is according to formulaObtain control P in AB and control1P2Between meridian receive
Hold back angle difference δγ；Wherein, R indicates earth radius, and R=6371km；
Step 305, using computer according to formulaObtain control side P1P2With Gauss
The first of X-direction calculates angle α in plane coordinate system；
Step 4: the amendment of control side coordinate points and tunnel lateral direction tunneling direction obtain in shield tunnel:
Step 401, using computer according to formulaObtain control side P1P2With Gaussian plane
The second of X-direction calculates angle α in coordinate systemp；
Step 402, using computer according to formulaObtain control side P1P2In Gauss plane coordinate system
Angle average value α between X-directionj；
Step 403, using computer according to formulaObtain control point P1 and
The distance between control point P2 Dp；
Step 404, using computer according to formulaObtain the amendment coordinate of control point P1
P′1(X′P1,Y′P1), using computer according to formulaObtain the amendment coordinate of control point P2
P′2(X′P2,Y′P2), the amendment coordinate line of the amendment coordinate of control point P1 and control point P2 is obtained into revised tunnel control
Side P '1P′2, then revised tunnel control side P '1P′2For tunnel lateral direction tunneling direction.
Above-mentioned a kind of shield tunnel transverse precision control method, it is characterised in that: gyroscope total station is used in step 103
Obtain azimuthal one-shot measurement value A between control side AB and real north0, detailed process is as follows:
Step 1031 adjusts gyroscope total station and faces left the circle prism sighted the B of control point at, and record first is faced left levelness
Disk reads αz1；It adjusts the gyroscope total station disk right side and sights the circle prism at the B of control point, and be denoted as the right horizontal limb reading of the first disk
αy1；Wherein, the center of eyepiece and the center of the round prism are located along the same line in gyroscope total station；
Step 1032, repeat step 1031, record second face left horizontal limb reading αz2It is read with the right horizontal limb of the second disk
Number αy2；
Step 1033, repeat step 1031, record third face left horizontal limb reading αz3It is read with the right horizontal limb of third disk
Number αy3；
Step 1034, using computer according to formulaObtain first face left horizontal limb reading
Average valueUsing computer according to formulaObtain the right horizontal limb reading average value of the first disk
Step 1035, whenWhen, using computer according to formulaIt obtains
Control azimuthal one-shot measurement value A between side AB and real north0；
WhenWhen, using computer according to formulaObtain control side AB and
Azimuthal one-shot measurement value A between real north0。
Above-mentioned a kind of shield tunnel transverse precision control method, it is characterised in that: gyroscope total station is used in step 203
Obtain control side P1P2Azimuth A between real north2, detailed process is as follows:
Step 2031 adjusts gyroscope total station and faces left the circle prism sighted the P2 of control point at, and record the 4th is faced left level
Reading scale αz4；It adjusts the gyroscope total station disk right side and sights the circle prism at the P2 of control point, and be denoted as the right horizontal limb of the 4th disk and read
Number αy4；Wherein, the center of eyepiece and the center of the circle prism at the P2 of control point are located along the same line in gyroscope total station；
Step 2032, repeat step 2031, record the 5th face left horizontal limb reading αz5It is read with the right horizontal limb of the 5th disk
Number αy5；
Step 2033, repeat step 2031, record the 6th face left horizontal limb reading αz6It is read with the right horizontal limb of the 6th disk
Number αy6；
Step 2034, using computer according to formulaObtain second face left horizontal limb reading
Average valueUsing computer according to formulaObtain the right horizontal limb reading average value of the second disk
Step 2035, whenWhen, using computer according to formulaIt obtains
Control side P1P2Azimuth A between real north2；
WhenWhen, using computer according to formulaObtain control side P1P2
Azimuth A between real north2。
Above-mentioned a kind of shield tunnel transverse precision control method, it is characterised in that: when the control being arranged in shield tunnel
When point P1 and control point P2 is in tunneling shield tunnel bottom: setting up gyroscope total station using A-frame；
When the control point P1 and control point P2 that are arranged in shield tunnel are in tunneling shield tunnel-side: using positioning dress
It sets and sets up gyroscope total station and circle prism；Wherein, the positioning device includes cup dolly, annular footstock and multiple is connected to circle
Connecting rod between shape pedestal and annular footstock, multiple connecting rods are respectively positioned on the circumferential edge of cup dolly and annular footstock
Edge, the cup dolly are provided centrally with mounting screw, and multiple location nuts are arranged in the circle spacing of the annular footstock, described
The medial surface of annular footstock is protruded into one end of location nut, and the location nut stretches out the other end setting of annular footstock lateral surface
Screw portion.
Above-mentioned shield tunnel transverse precision control method, it is characterised in that: the control point P1 that is arranged in shield tunnel and
When control point P2 is in tunneling shield tunnel bottom, then two cross steel nails are buried respectively as control point in shield tunnel bottom
P1 and control point P2；
When the control point P1 and control point P2 that are arranged in shield tunnel are in tunneling shield tunnel-side, then in tunnel shield
Two forced centering pallets are installed in structure tunnel-side, and the mark on two forced centering pallets respectively as control point P1 and
Control point P2；
Setting up gyroscope total station and circle prism using positioning device, detailed process is as follows:
Step A, positioning device is set up in control point P1, the mounting screw in the positioning device is mounted on a pressure and returns
At mark on heart pallet；
Step B, the lower part of gyroscope total station is protruded into inside a positioning device, adjusts screwing on annular footstock circumference
Portion, until one end of location nut and the lower contacts of gyroscope total station；Wherein, the lower central and control of the gyroscope total station
System point P1 is located on same vertical line；
Step C, circle prism is set up in control point P2, circle prism is mounted at the mark on another forced centering pallet.
Compared with the prior art, the present invention has the following advantages:
1, used shield tunnel transverse precision control method step is simple, it is convenient and easy to operate to realize, obtains tunnel
Road transverse direction tunneling direction instructs shield machine along design axis driving, further increases to shield tunnel transverse precision.
2, used shield tunnel transverse precision control method is easy to operate and using effect is good, is ground control first
Azimuthal primary acquisition between side and real north obtains the orientation controlled between side and real north in tunnel later
Angle, acquisition controls azimuthal secondary measurements between side AB and real north again, then using ground control side and very
Azimuth of the control between real north and when control between AB and real north in azimuth of the north between, tunnel
Azimuthal secondary measurements, obtain control side grid azimuth, finally utilize by gyrostatic orientation survey grid azimuth
Extension wire control side in the shield tunnel calculated traverse method is modified, and is obtained revised control point coordinates, is used
Revised tunnel control side is tunnel lateral direction tunneling direction, reduces the extension wire azimuth transmission error in shield tunnel,
The transverse precision for substantially increasing shield tunnel avoids safety accident caused by tunnel deviation.
3, the present invention provides gyro azimuths directly to participate in traverse method computer azimuth angle, the method for error free accumulation, energy
Enough accurately, easily and efficiently measurement shield tunnel extension wire controls side azimuth, and human and material resources are greatly saved, are shield
Tunnel provides data support along design axis driving, helps to improve molding tunnel quality, practical.
4, gyroscope total station stringer of the present invention is simple, and rationally, convenience, speed are fast for design；In addition it ensure that gyro is complete
It stands the consistency at instrument centering and control point, ensure that the precision and stability of measurement, provide gyroscope total station measurement control point
Operability.
In conclusion the method for the present invention step is simple, design is rationally and realization is convenient, by gyrostatic orientation survey grid bearing
Extension wire control side in the shield tunnel that angle calculates traverse method is modified, and is obtained revised control point coordinates, is adopted
It is tunnel lateral direction tunneling direction with revised tunnel control side, instructs shield machine along design axis driving, to shield tunnel cross
It is further increased to precision, avoids line style tunnel piercing azimuth deviation.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of positioning device of the present invention.
Fig. 3 is method flow block diagram of the invention.
Description of symbols:
1-shield tunnel entrance station main body；2-gyroscope total stations；3-circle prisms；
4-cup dollies；5-annular footstocks；6-connecting rods；
7-mounting screws；8-screw portion；9-location nuts；
10-shield tunnels.
Specific embodiment
A kind of shield tunnel transverse precision control method as shown in figures 1 and 3, comprising the following steps:
Step 1: azimuthal primary acquisition between ground control side and real north:
Control point A and control point B is arranged in 1 overhead surface of shield tunnel entrance station main body in step 101, obtains in height
Coordinate (the X of control point A under this plane coordinate systemA,YA) and control point B coordinate (XB,YB)；And by control point A and control point B
Line is denoted as control side AB；
Step 102 sets up gyroscope total station 2 in the control point A, sets up circle prism 3 in the control point B；And in top
The latitude value φ of input control point A in spiral shell total station 2A；
Step 103 obtains azimuthal one-shot measurement value between control side AB and real north using gyroscope total station 2
A0；
Step 2: obtaining the azimuth controlled between side and real north in tunnel:
Control point P1 is arranged in step 201 in shield tunnel 10, and control point is arranged in the direction of advance of shield tunnel 10
P2 obtains the coordinate (X of the control point P1 under Gauss plane coordinate systemP1,YP1) and control point P2 coordinate (XP2,YP2)；And it will control
System point P1 and control point P2 line are denoted as control side P1P2；
Step 202 sets up gyroscope total station 2 in the control point P1, sets up circle prism 3 in the control point P2；And
The latitude value φ of input control point P1 in gyroscope total station 2p1；
Step 203 obtains control side P using gyroscope total station 21P2Azimuth A between real north2；
Step 3: the acquisition of the grid azimuth on control side:
Step 301 repeats step 103, obtains azimuthal secondary measurements A between control side AB and real north
′0；
Step 302, using computer according to formulaIt obtains control side AB and Gaussian plane is sat
The angle α of X-direction in mark system0；
Step 303, using computer according to formulaObtain the constant Δ of gyroscope total station 2；
Step 304, using computer according to formulaObtain the two mean latitude φ for setting mirror point；Using meter
Calculation machine is according to formulaObtain control P in AB and control1P2Between gisement
Angle difference δγ；Wherein, R indicates earth radius, and R=6371km；
Step 305, using computer according to formulaObtain control side P1P2With Gauss
The first of X-direction calculates angle α in plane coordinate system；
Step 4: the amendment of control side coordinate points and tunnel lateral direction tunneling direction obtain in shield tunnel:
Step 401, using computer according to formulaObtain control side P1P2With Gaussian plane
The second of X-direction calculates angle α in coordinate systemp；
Step 402, using computer according to formulaObtain control side P1P2In Gauss plane coordinate system
Angle average value α between X-directionj；
Step 403, using computer according to formulaObtain control point P1 and
The distance between control point P2 Dp；
Step 404, using computer according to formulaObtain the amendment coordinate of control point P1
P′1(X′P1,Y′P1), using computer according to formulaObtain the amendment coordinate of control point P2
P′2(X′P2,Y′P2), the amendment coordinate line of the amendment coordinate of control point P1 and control point P2 is obtained into revised tunnel control
Side P '1P′2, then revised tunnel control side P '1P′2For tunnel lateral direction tunneling direction.
In the present embodiment, the azimuth between control side AB and real north is obtained using gyroscope total station 2 in step 103
One-shot measurement value A0, detailed process is as follows:
Step 1031 adjusts gyroscope total station 2 and faces left the circle prism 3 sighted the B of control point at, and record first is faced left level
Reading scale αz1；It adjusts the 2 disk right side of gyroscope total station and sights the circle prism 3 at the B of control point, and be denoted as the right horizontal limb of the first disk and read
Number αy1；Wherein, the center of eyepiece and the center of the round prism 3 are located along the same line in gyroscope total station 2；
Step 1032, repeat step 1031, record second face left horizontal limb reading αz2It is read with the right horizontal limb of the second disk
Number αy2；
Step 1033, repeat step 1031, record third face left horizontal limb reading αz3It is read with the right horizontal limb of third disk
Number αy3；
Step 1034, using computer according to formulaObtain first face left horizontal limb reading
Average valueUsing computer according to formulaObtain the right horizontal limb reading average value of the first disk
Step 1035, whenWhen, using computer according to formulaIt obtains
Control azimuthal one-shot measurement value A between side AB and real north0；
WhenWhen, using computer according to formulaObtain control side AB and
Azimuthal one-shot measurement value A between real north0。
In the present embodiment, control side P is obtained using gyroscope total station 2 in step 2031P2Orientation between real north
Angle A2, detailed process is as follows:
Step 2031 adjusts gyroscope total station 2 and faces left the circle prism 3 sighted the P2 of control point at, and record the 4th is faced left water
Flat reading scale αz4；It adjusts the 2 disk right side of gyroscope total station and sights the circle prism 3 at the P2 of control point, and be denoted as the 4th right levelness of disk
Disk reads αy4；Wherein, the center of eyepiece and the center of the circle prism 3 at the P2 of control point are located at same straight line in gyroscope total station 2
On；
Step 2032, repeat step 2031, record the 5th face left horizontal limb reading αz5It is read with the right horizontal limb of the 5th disk
Number αy5；
Step 2033, repeat step 2031, record the 6th face left horizontal limb reading αz6It is read with the right horizontal limb of the 6th disk
Number αy6；
Step 2034, using computer according to formulaObtain second face left horizontal limb reading
Average valueUsing computer according to formulaObtain the right horizontal limb reading average value of the second disk
Step 2035, whenWhen, using computer according to formula?
To control side P1P2Azimuth A between real north2；
WhenWhen, using computer according to formulaObtain control side
P1P2Azimuth A between real north2。
As shown in Fig. 2, in the present embodiment, when the control point P1 and control point P2 that are arranged in shield tunnel 10 are in tunnel shield
When 10 bottom of structure tunnel: setting up gyroscope total station 2 using A-frame；
When the control point P1 and control point P2 that are arranged in shield tunnel 10 are in 10 side wall of tunneling shield tunnel: using fixed
Position device sets up gyroscope total station 2 and circle prism 3；Wherein, the positioning device includes cup dolly 4, annular footstock 5 and multiple
The connecting rod 6 being connected between cup dolly 4 and annular footstock 5, multiple connecting rods 6 are respectively positioned on cup dolly 4 and annular
The circumferential edges of footstock 5, the cup dolly 4 are provided centrally with mounting screw 7, the circle spacing setting of the annular footstock 5
The medial surface of annular footstock 5 is protruded into multiple location nuts 9, one end of the location nut 9, and the location nut 9 stretches out annular
The other end of 5 lateral surface of footstock is provided with the portion of screwing 8.
The control point P1 and control point P2 being arranged in the present embodiment, in shield tunnel 10 are in 10 bottom of tunneling shield tunnel
When, then two cross steel nails are buried respectively as control point P1 and control point P2 in 10 bottom of shield tunnel；
When the control point P1 and control point P2 that are arranged in shield tunnel 10 are in 10 side wall of tunneling shield tunnel, then in tunnel
Two forced centering pallets are installed, and the mark on two forced centering pallets is respectively as control on 10 side wall of road shield tunnel
Point P1 and control point P2；
Setting up gyroscope total station 2 and circle prism 3 using positioning device, detailed process is as follows:
Step A, positioning device is set up in control point P1, the mounting screw 7 in the positioning device is mounted on a pressure
At mark on return heart pallet；
Step B, the lower part of gyroscope total station 2 is protruded into inside a positioning device, adjusts the rotation on 5 circumference of annular footstock
Portion 8 is twisted, until one end of location nut 9 and the lower contacts of gyroscope total station 2；Wherein, in the lower part of the gyroscope total station 2
The heart and control point P1 are located on same vertical line；
Step C, circle prism 3 is set up in control point P2, circle prism 3 is mounted on the mark on another forced centering pallet
Place.
In the present embodiment, face left horizontal limb reading and the right horizontal limb reading of disk are obtained, is inclined in order to eliminate alidade
The heart is poor, the influence of boresight misalignments and horizontal axis error, the shadow observed so as to elimination of level axis heeling error horizontal direction
It rings, improves the accuracy that the azimuth between ground control side and real north obtains.
In the present embodiment, annular footstock 5 is set, is for the ease of multiple connecting rods 6 are protruded into the lower part of gyroscope total station 2
The hollow inside surrounded；In addition, wearing for the ease of multiple location nuts 9, realizes the positioning to gyroscope total station 2.
In the present embodiment, multiple location nuts 9 are arranged in the circle spacing of annular footstock 5, are to be adjusted by the portion of screwing 8
The lower outside wall of the close or separate gyroscope total station 2 in one end of location nut 9, to adjust the lower part of gyroscope total station 2
Position, so as to the lower central of gyroscope total station 2 and be located on same vertical line with control point P1, pair of realization gyroscope total station 2
Middle adjusting.
In the present embodiment, multiple connecting rods 6 being connected between cup dolly 4 and annular footstock 5 are set, be on the one hand for
Gyroscope total station 2 is protected, avoids the impaction lesion in tunnel of gyroscope total station 2；On the other hand, two neighboring connection
It is provided with gap between bar 6, is the auxiliary adjustment for the ease of being convenient for attemperator's hand to penetrate in adjustment process.
In the present embodiment, because the tunnel of shield construction must be laid with temporary track for transporting the materials such as section of jurisdiction, soil
Battery truck passes through, and tunnel floor is flooded by ponding and mud often, does not influence to apply to be easy to use measurement work not only
Work vehicles while passing, during tunnel piercing, control point is laid in tunnel-side sometimes in tunnel, and is installed and forced in tunnel-side
Return heart pallet, the mark on forced centering pallet is respectively as control point, and at this moment, gyroscope total station 2 can not be directly erected at by force
It is observed on return heart pallet processed, it is necessary to which in tunnel, lower tube on piece bury a little again, destroys section of jurisdiction quality.Therefore it is fixed to be arranged
Position device carries out location and installation to gyroscope total station 2 is set up.
In the present embodiment, positioning device is set, is the consistency in order to ensure gyroscope total station centering and control point, it is ensured that
The lower central and control point P1 of gyroscope total station 2 are located on same vertical line, to ensure that the precision that gyroscope total station 2 measures
And stability, it provides gyroscope total station 2 and measures the operability at control point, and ensured gyroscope total station 2 in forced centering
Stability on pallet.
In the present embodiment, it should be noted that the structure of forced centering pallet uses the applying date as 01 month 2011 26
Day, a kind of plane control points in shield tunnel forced centering support disclosed in the Chinese patent application No. is CN201120026367.2
Disk.
In the present embodiment, when it is implemented, HGG05 type gyroscope total station can be used in gyroscope total station 2.
In the present embodiment, due to gyrocompassing azimuth be directly from ground control while known orientation while on pass over
, without deviation accumulation caused by the extension wire in tunnel, therefore, on the one hand gyrocompassing azimuth can be used to check tunnel
Whether the extension wire measurement in road has rough error；On the other hand, gyro azimuth and traverse method computer azimuth angle can be averaged
Value improves tunnel inside conductor, the polygon leg precision especially at face.It can effectively improve shield tunnel precision control
System.
In conclusion the method for the present invention step is simple, design is rationally and realization is convenient, is ground control side and geographical north first
Azimuthal primary acquisition between direction obtains the azimuth controlled between side and real north in tunnel, then secondary control later
Then azimuthal secondary measurements between side AB and real north processed utilize the side between ground control side and real north
It is azimuthal secondary between AB and real north when controlling the azimuth between real north and control in parallactic angle, tunnel
Measured value obtains the grid azimuth on control side, finally utilizes and is calculated traverse method by gyrostatic orientation survey grid azimuth
Extension wire control side is modified in shield tunnel, revised control point coordinates is obtained, using revised tunnel control
Side is tunnel lateral direction tunneling direction, reduces extension wire azimuth transmission error in shield tunnel, substantially increases shield tunnel
Transverse precision, avoid safety accident caused by tunnel deviation.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (5)
1. a kind of shield tunnel transverse precision control method, which is characterized in that method includes the following steps:
Step 1: azimuthal primary acquisition between ground control side and real north:
Control point A and control point B is arranged in shield tunnel entrance station main body (1) overhead surface in step 101, obtains in Gauss
Coordinate (the X of control point A under plane coordinate systemA,YA) and control point B coordinate (XB,YB)；And control point A and control point B is connected
Line is denoted as control side AB；
Step 102 sets up gyroscope total station (2) in the control point A, sets up circle prism (3) in the control point B；And in top
The latitude value φ of input control point A in spiral shell total station (2)A；
Step 103 obtains azimuthal one-shot measurement value A between control side AB and real north using gyroscope total station (2)0；
Step 2: obtaining the azimuth controlled between side and real north in tunnel:
Control point P1 is arranged in step 201 in shield tunnel (10), and control point is arranged in the direction of advance of shield tunnel (10)
P2 obtains the coordinate (X of the control point P1 under Gauss plane coordinate systemP1,YP1) and control point P2 coordinate (XP2,YP2)；And it will control
System point P1 and control point P2 line are denoted as control side P1P2；
Step 202 sets up gyroscope total station (2) in the control point P1, sets up circle prism (3) in the control point P2；And
The latitude value φ of input control point P1 in gyroscope total station (2)p1；
Step 203 obtains control side P using gyroscope total station (2)1P2Azimuth A between real north2；
Step 3: the acquisition of the grid azimuth on control side:
Step 301 repeats step 103, obtains azimuthal secondary measurements A ' between control side AB and real north0；
Step 302, using computer according to formulaObtain control side AB and Gauss plane coordinate system
The angle α of middle X-direction0；
Step 303, using computer according to formulaObtain the constant Δ of gyroscope total station (2)；
Step 304, using computer according to formulaObtain the two mean latitude φ for setting mirror point；Using computer
According to formulaObtain control P in AB and control1P2Between gisement angle
Value of deltaγ；Wherein, R indicates earth radius, and R=6371km；
Step 305, using computer according to formulaObtain control side P1P2With Gaussian plane
The first of X-direction calculates angle α in coordinate system；
Step 4: the amendment of control side coordinate points and tunnel lateral direction tunneling direction obtain in shield tunnel:
Step 401, using computer according to formulaObtain control side P1P2With Gauss plane coordinate
The second of X-direction calculates angle α in systemp；
Step 402, using computer according to formulaObtain control side P1P2With X-axis in Gauss plane coordinate system
Angle average value α between directionj；
Step 403, using computer according to formulaObtain control point P1 and control
The distance between point P2 Dp；
Step 404, using computer according to formulaObtain the amendment coordinate P of control point P11′
(X′P1,Y′P1), using computer according to formulaObtain the amendment coordinate P ' of control point P22
(X′P2,Y′P2), the amendment coordinate line of the amendment coordinate of control point P1 and control point P2 is obtained into revised tunnel control side
P1′P′2, then revised tunnel control side P1′P′2For tunnel lateral direction tunneling direction.
2. a kind of shield tunnel transverse precision control method described in accordance with the claim 1, it is characterised in that: adopted in step 103
Azimuthal one-shot measurement value A between control side AB and real north is obtained with gyroscope total station (2)0, detailed process is as follows:
Step 1031 adjusts gyroscope total station (2) and faces left the circle prism (3) sighted the B of control point at, and record first is faced left level
Reading scale αz1；It adjusts gyroscope total station (2) disk right side and sights the circle prism (3) at the B of control point, and be denoted as the right levelness of the first disk
Disk reads αy1；Wherein, the center of eyepiece and the center of the round prism (3) are located along the same line in gyroscope total station (2)；
Step 1032, repeat step 1031, record second face left horizontal limb reading αz2α is read with the right horizontal limb of the second disky2；
Step 1033, repeat step 1031, record third face left horizontal limb reading αz3α is read with the right horizontal limb of third disky3；
Step 1034, using computer according to formulaIt obtains first and faces left horizontal limb reading averagely
ValueUsing computer according to formulaObtain the right horizontal limb reading average value of the first disk
Step 1035, whenWhen, using computer according to formulaIt is controlled
Azimuthal one-shot measurement value A between side AB and real north0；
WhenWhen, using computer according to formulaObtain control side AB and geographical north
Azimuthal one-shot measurement value A between direction0。
3. a kind of shield tunnel transverse precision control method described in accordance with the claim 1, it is characterised in that: adopted in step 203
Control side P is obtained with gyroscope total station (2)1P2Azimuth A between real north2, detailed process is as follows:
Step 2031 adjusts gyroscope total station (2) and faces left the circle prism (3) sighted the P2 of control point at, and record the 4th is faced left water
Flat reading scale αz4；It adjusts gyroscope total station (2) disk right side and sights the circle prism (3) at the P2 of control point, and be denoted as the 4th right water of disk
Flat reading scale αy4；Wherein, the center of eyepiece and the center of the circle prism (3) at the P2 of control point are located in gyroscope total station (2)
On same straight line；
Step 2032, repeat step 2031, record the 5th face left horizontal limb reading αz5α is read with the right horizontal limb of the 5th disky5；
Step 2033, repeat step 2031, record the 6th face left horizontal limb reading αz6α is read with the right horizontal limb of the 6th disky6；
Step 2034, using computer according to formulaIt obtains second and faces left horizontal limb reading averagely
ValueUsing computer according to formulaObtain the right horizontal limb reading average value of the second disk
Step 2035, whenWhen, using computer according to formulaIt is controlled
Side P1P2Azimuth A between real north2；
WhenWhen, using computer according to formulaObtain control side P1P2With it is true
Azimuth A of the north between2。
4. a kind of shield tunnel transverse precision control method described in accordance with the claim 1, it is characterised in that: work as shield tunnel
(10) when the control point P1 and control point P2 being arranged in are in tunneling shield tunnel (10) bottom: setting up gyro using A-frame
Total station (2)；
When the control point P1 and control point P2 that are arranged in shield tunnel (10) are in tunneling shield tunnel (10) side wall: using fixed
Position device sets up gyroscope total station (2) and circle prism (3)；Wherein, the positioning device includes cup dolly (4), annular footstock
(5) it is located at multiple connecting rods (6) being connected between cup dolly (4) and annular footstock (5), multiple connecting rods (6)
The circumferential edges of cup dolly (4) and annular footstock (5), the cup dolly (4) is provided centrally with mounting screw (7), described
Multiple location nuts (9) are arranged in the circle spacing of annular footstock (5), and annular footstock (5) are protruded into one end of the location nut (9)
Medial surface, the other end that the location nut (9) stretches out annular footstock (5) lateral surface is provided with the portion of screwing (8).
5. a kind of shield tunnel transverse precision control method according to claim 4, it is characterised in that: work as shield tunnel
(10) when the control point P1 and control point P2 being arranged in are in tunneling shield tunnel (10) bottom, then in shield tunnel (10) bottom
Two cross steel nails are buried respectively as control point P1 and control point P2；
When the control point P1 and control point P2 that are arranged in shield tunnel (10) are in tunneling shield tunnel (10) side wall, then in tunnel
Two forced centering pallets are installed, and the mark on two forced centering pallets is respectively as control on road shield tunnel (10) side wall
Make point P1 and control point P2；
Setting up gyroscope total station (2) and round prism (3) using positioning device, detailed process is as follows:
Step A, positioning device is set up in control point P1, the mounting screw (7) in the positioning device is mounted on a pressure and returns
At mark on heart pallet；
Step B, the lower part of gyroscope total station (2) is protruded into inside a positioning device, adjusts the rotation on annular footstock (5) circumference
It twists portion (8), until the one end of location nut (9) and the lower contacts of gyroscope total station (2)；Wherein, the gyroscope total station (2)
Lower central and control point P1 be located on same vertical line；
Step C, circle prism (3) is set up in control point P2, circle prism (3) is mounted on the mark on another forced centering pallet
Place.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040395A (en) * | 2020-08-10 | 2020-12-04 | 国网山东省电力公司济宁供电公司 | Cable tunnel internal and ground position co-location system and method |
| CN112729262A (en) * | 2020-12-26 | 2021-04-30 | 新疆工程学院 | Forced alignment connecting device for gyroscopic total station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01278694A (en) * | 1988-04-28 | 1989-11-09 | Komatsu Ltd | Cutter collapse detector for shield drill machine |
| CN101285684A (en) * | 2008-05-22 | 2008-10-15 | 长安大学 | Gyro positioning measuring method |
| CN101685010A (en) * | 2008-09-27 | 2010-03-31 | 上海市机械施工有限公司 | Measuring method of ultra long haul shield tunnel |
| CN204738816U (en) * | 2015-05-12 | 2015-11-04 | 中国矿业大学(北京) | Entry driving machine is positioning orientation system and method independently |
| CN106657764A (en) * | 2016-10-14 | 2017-05-10 | 山西省交通科学研究院 | Car-mounted adjustment platform used for tunnel image acquisition and the implementation method thereof |
| CN207471063U (en) * | 2017-11-21 | 2018-06-08 | 云南司农科技有限公司 | Whole station type electronic distance meter stent |
| CN109596112A (en) * | 2018-12-06 | 2019-04-09 | 中铁隧道集团二处有限公司 | A kind of measurement method that control large-diameter shield captain distance construction is smoothly appeared |
-
2019
- 2019-06-25 CN CN201910552971.XA patent/CN110242317B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01278694A (en) * | 1988-04-28 | 1989-11-09 | Komatsu Ltd | Cutter collapse detector for shield drill machine |
| CN101285684A (en) * | 2008-05-22 | 2008-10-15 | 长安大学 | Gyro positioning measuring method |
| CN101685010A (en) * | 2008-09-27 | 2010-03-31 | 上海市机械施工有限公司 | Measuring method of ultra long haul shield tunnel |
| CN204738816U (en) * | 2015-05-12 | 2015-11-04 | 中国矿业大学(北京) | Entry driving machine is positioning orientation system and method independently |
| CN106657764A (en) * | 2016-10-14 | 2017-05-10 | 山西省交通科学研究院 | Car-mounted adjustment platform used for tunnel image acquisition and the implementation method thereof |
| CN207471063U (en) * | 2017-11-21 | 2018-06-08 | 云南司农科技有限公司 | Whole station type electronic distance meter stent |
| CN109596112A (en) * | 2018-12-06 | 2019-04-09 | 中铁隧道集团二处有限公司 | A kind of measurement method that control large-diameter shield captain distance construction is smoothly appeared |
Non-Patent Citations (1)
| Title |
|---|
| 高军虎等: "陀螺全站仪在地铁隧道贯通测量中的应用研究", 《城市勘测》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040395A (en) * | 2020-08-10 | 2020-12-04 | 国网山东省电力公司济宁供电公司 | Cable tunnel internal and ground position co-location system and method |
| CN112729262A (en) * | 2020-12-26 | 2021-04-30 | 新疆工程学院 | Forced alignment connecting device for gyroscopic total station |
| CN112729262B (en) * | 2020-12-26 | 2022-08-12 | 新疆工程学院 | Forced alignment connecting device for gyroscopic total station |
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| CN110242317B (en) | 2022-03-22 |
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