CN106643673B - A kind of subway tunnel horizontal displacement deformation monitoring method based on baseline - Google Patents
A kind of subway tunnel horizontal displacement deformation monitoring method based on baseline Download PDFInfo
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- CN106643673B CN106643673B CN201610951702.7A CN201610951702A CN106643673B CN 106643673 B CN106643673 B CN 106643673B CN 201610951702 A CN201610951702 A CN 201610951702A CN 106643673 B CN106643673 B CN 106643673B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Abstract
The invention discloses a kind of subway tunnel horizontal displacement deformation monitoring method based on baseline includes the following steps: that (1) sets up total station, total station is utilized to acquire two phase control point coordinates data；(2) two phases control basic lineal vector is calculated separately according to control point coordinates；(3) according to control basic lineal vector, baseline coordinate system is established；(4) two phase monitoring point plane coordinates data are acquired using total station；(5) according to control point and monitoring point coordinate, monitoring basic lineal vector is calculated；(6) monitoring basic lineal vector is projected and obtains monitoring basic lineal vector to baseline coordinate system in the component of X and Y coordinates axis direction；(7) it by comparing two phases same component of the monitoring basic lineal vector in baseline coordinate system, obtains to monitoring point and is parallel to track and the deflection perpendicular to orbital direction adjacent two phase.This invention removes the error influences that intersection and orientation introduce；Test process simple and flexible greatly reduces the activity duration to improve operating efficiency.
Description
Technical field
The present invention relates to Surveying and mapping technical field, especially a kind of subway tunnel horizontal displacement based on baseline deforms prison
Survey method.
Background technique
In modern city, subway has become city because its speed is fast, low energy consumption, freight volume is big and pollutes the advantages such as few
The important tool of traffic.Because of the fast development in city, subway periphery unavoidably has a large amount of engineering project investment construction.This
The construction of a little projects can have an impact original subway tunnel structure, lead to the variation of surrounding soil stress field and level of ground water,
Displacement is generated so as to cause tunnel structure, railway roadbed disengaging, track equipment deformation, rail smooth degree variation can be caused when serious, from
And train operating safety is difficult to be protected, hidden danger is brought to the safety trip of citizen.Therefore, to subway tunnel deformation area
Deformation monitoring have a very important significance.
Existing subway tunnel horizontal displacement monitoring method mostly uses total station to carry out, and specific implementation method is as follows: becoming
Stable point is chosen as control point in stability region outside shape area, and general deformed area two sides respectively take two control points；In deformed region
Several horizontal displacement monitoring points are set at equal intervals；In deformed region intermediate region, one fixed frame website is set, it is each to measure
Monitoring point plane coordinates.In rotating detection process, instrument stan is set to frame website, is obtained using the above control point resection of at least three
Frame website coordinate out successively measures each test point coordinate then with one of control point orientation, is respectively compared the monitoring of two phases
Point coordinate, can be obtained the horizontal displacement of measuring point.In fact, the above rotating detection process can introduce two parts error, first is that rear is handed over
Error caused by meeting, second is that the error that orientation generates.And experience have shown that, in field of precise engineering survey, even if the error of very little
Also result in the deformation monitoring result or insecure deformation monitoring result of mistake.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of subway tunnel horizontal displacement deformation prison based on baseline
Survey method, the error for eliminating intersection and orientation introducing influence, and operating flexibility is simple, reduces the activity duration to improve work
Industry efficiency.
In order to solve the above technical problems, the present invention provides a kind of subway tunnel horizontal displacement deformation monitoring side based on baseline
Method includes the following steps:
(1) total station is set up, acquires two phase control point coordinates data using total station, total station is set up between two o'clock,
The observation of each issue control point A and B are plane coordinates:WithWherein subscript j=1,2, it indicates
Survey issue；
(2) two phases control basic lineal vector is calculated separately according to control point coordinatesIts
Middle subscript j=1,2, it indicates to survey issue；
(3) according to control basic lineal vector, baseline coordinate system is established；
(4) two phase monitoring point plane coordinates data P are acquired using total stationij(xij, yij) i=1,2 ..., n, j=1,2,
Wherein n is monitoring point number, and j indicates to survey issue；
(5) according to control point and monitoring point coordinate, monitoring basic lineal vector is calculatedWherein n is monitoring point number, and j=1,2 indicate to survey issue；
(6) monitoring basic lineal vector is projected to baseline coordinate system, obtains monitoring basic lineal vector in X and Y coordinates axis direction
Component；
(7) component by comparing two phases same monitoring basic lineal vector in baseline coordinate system, obtains to monitoring point and is parallel to
Track and the deflection perpendicular to orbital direction adjacent two phase.
Preferably, two control points described in step (1) are located at track side, and the two line direction substantially with track
Direction is parallel.
Preferably, in step (1), total station is flattened, each issue of measurement total station decorating position is between two control points.
Preferably, in step (3), the establishment process of the baseline coordinate system are as follows: using control point A as coordinate origin,Side
To for Y-coordinate axle forward direction, perpendicular toAnd being directed toward the tunnel other side is that X-coordinate axle is positive, baseline establishment of coordinate system.
Preferably, in step (6), projection point of the monitoring basic lineal vector in baseline coordinate system X and Y coordinates axis direction
It is notWithI=1,2 ..., n, wherein n is monitoring point number；J=1,2 indicate to survey issue, length difference
ForWithWherein | | vector field homoemorphism is indicated, in two dimension
The Euclidean distance of vector beginning and end is indicated in space.
The invention has the benefit that orienting two steps without resection and survey station, the error of its introducing is eliminated
It influences；The quantity at control point is reduced to 2 from 3 of conventional method；Test process simple and flexible, frame station location is any, significantly
Reduce the activity duration to improve operating efficiency.
Detailed description of the invention
Fig. 1 is monitoring method flow diagram of the invention.
Fig. 2 is baseline establishment of coordinate system and base line projection schematic diagram of the invention.
Specific embodiment
As illustrated in fig. 1 and 2, a kind of subway tunnel horizontal displacement deformation monitoring method based on baseline, includes the following steps:
(1) total station is set up, acquires two phase control point coordinates data using total station, total station is set up between two o'clock,
The observation of each issue control point A and B are plane coordinates:WithWherein subscript j=1,2, it indicates
Survey issue；
(2) two phases control basic lineal vector is calculated separately according to control point coordinatesWherein
Subscript j=1,2, it indicates to survey issue；
(3) according to control basic lineal vector, baseline coordinate system is established；
(4) two phase monitoring point plane coordinates data P are acquired using total stationij(xij, yij) i=1,2 ..., n, j=1,2,
Wherein n is monitoring point number, and j indicates to survey issue；
(5) according to control point and monitoring point coordinate, monitoring basic lineal vector is calculatedWherein n is monitoring point number, and j=1,2 indicate to survey issue；
(6) monitoring basic lineal vector is projected to baseline coordinate system, obtains monitoring basic lineal vector in X and Y coordinates axis direction
Component；
(7) component by comparing two phases same monitoring basic lineal vector in baseline coordinate system, obtains to monitoring point and is parallel to
Track and the deflection perpendicular to orbital direction adjacent two phase.
Two control points are located at track side in step (1), and the two line direction is substantially parallel with orbital direction, leveling
Total station, each issue of measurement total station decorating position are between two control points.
In step (3), the establishment process of baseline coordinate system are as follows: using control point A as coordinate origin,Direction is Y-coordinate axle
Forward direction, perpendicular toAnd being directed toward the tunnel other side is that X-coordinate axle is positive, baseline establishment of coordinate system.
In step (6), monitoring projection of the basic lineal vector in baseline coordinate system X and Y coordinates axis direction is respectively
WithI=1,2 ..., n, wherein n is monitoring point number；J=1,2 indicate to survey issue, and length is respectivelyWithWherein | | vector field homoemorphism is indicated, two-dimentional empty
Between it is middle indicate vector beginning and end Euclidean distance.
As depicted in figs. 1 and 2, according to the method flow of Fig. 1, with " certain subway protection zone tunnel horizontal displacement deformation monitoring "
For application example, the present invention is further elaborated:
(1) total station is set up, acquires two control point J using total station1And J2Coordinate data, total station are set up in two o'clock
Between, observation is control point plane coordinates:
The survey phase one: A1(1042.6981,478.5057), B1(1396.8045,221.2325)；
The survey phase two: A2(1085.9686,660.8760), B2(1465.0282,442.0264)；
(2) control basic lineal vector is calculated according to control point coordinates, calculates basic lineal vector:
The survey phase one:
The survey phase two:
(3) using A as coordinate origin,Direction is Y direction, and X-direction constitutes right-handed system perpendicular to Y-axis and with it；Point
Respective basic lineal vector coordinate system is not established according to A the and B coordinate of two issue evidences, as shown in Figure 2；
(4) two phases monitoring point coordinate data, P are acquired using total stationi1(xi, yi) i=1,2 ..., 10 and Pi2(xi, yi)i
=1,2 ..., 10；
(5) respectively according to two the phase control point and monitoring point coordinate calculate monitoring vectorWith
(6) as shown in Fig. 2, monitoring basic lineal vector is pressedWith
It is projected respectively to Y-direction and X-direction；
(7) by comparing projection components size of the same observation station under baseline coordinate system under the different survey phases, monitoring point is obtained
Horizontal displacement, as shown in table 1, wherein Y-direction be along track running direction, X-direction is perpendicular to track running direction.
Table 1
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (5)
1. a kind of subway tunnel horizontal displacement deformation monitoring method based on baseline, which comprises the steps of:
(1) total station is set up, acquires two phase control point coordinates data using total station, total station is set up between two o'clock, and each issue
The observation of control point A and B are plane coordinates:WithWherein subscript j=1,2, indicate the survey phase
Number；
(2) two phases control basic lineal vector is calculated separately according to control point coordinatesWherein subscript
J=1,2, it indicates to survey issue；
(3) according to control basic lineal vector, baseline coordinate system is established；
(4) two phase monitoring point plane coordinates data P are acquired using total stationij(xij, yij) i=1,2 ..., n, j=1,2, wherein n
For monitoring point number, j indicates to survey issue；
(5) according to control point and monitoring point coordinate, monitoring basic lineal vector is calculated
Wherein n is monitoring point number, and j=1,2 indicate to survey issue；
(6) monitoring basic lineal vector is projected and obtains monitoring basic lineal vector to baseline coordinate system in the component of X and Y coordinates axis direction；
(7) component by comparing two phases same monitoring basic lineal vector in baseline coordinate system, obtains to monitoring point and is parallel to track
With the deflection perpendicular to orbital direction adjacent two phase.
2. the subway tunnel horizontal displacement deformation monitoring method based on baseline as described in claim 1, which is characterized in that step
(1) two control points described in are located at track side, and the two line direction is substantially parallel with orbital direction.
3. the subway tunnel horizontal displacement deformation monitoring method based on baseline as described in claim 1, which is characterized in that step
(1) in, total station is flattened, each issue of measurement total station decorating position is between two control points.
4. the subway tunnel horizontal displacement deformation monitoring method based on baseline as described in claim 1, which is characterized in that step
(3) in, the establishment process of the baseline coordinate system are as follows: using control point A as coordinate origin,Direction is that Y-coordinate axle is positive, is hung down
Directly inAnd being directed toward the tunnel other side is that X-coordinate axle is positive, baseline establishment of coordinate system.
5. the subway tunnel horizontal displacement deformation monitoring method based on baseline as described in claim 1, which is characterized in that step
(6) in, projection of the monitoring basic lineal vector in baseline coordinate system X and Y coordinates axis direction is respectivelyWithI=1,2 ..., n, wherein n is monitoring point number；J=1,2 indicate to survey issue, and length is respectivelyWithWherein | | vector field homoemorphism is indicated, in two-dimensional space
The middle Euclidean distance for indicating vector beginning and end.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107815935B (en) * | 2017-10-31 | 2020-04-10 | 广州铁路科技开发有限公司 | Real-time monitoring method and system for geometric state of high-speed railway track |
| CN108020196A (en) * | 2017-11-07 | 2018-05-11 | 河海大学 | A kind of subway tunnel 3 d deformation monitoring method based on baseline |
| CN110440743B (en) * | 2019-07-29 | 2021-05-14 | 郑健 | Tunnel deformation monitoring method, system, medium and equipment based on baseline |
| CN112815909B (en) * | 2020-12-31 | 2022-05-17 | 山东高速工程检测有限公司 | Tunnel deformation measuring method and system and measuring robot |
| CN113551641B (en) * | 2021-07-29 | 2023-03-17 | 中冀建勘集团有限公司 | Horizontal displacement monitoring device, system and method suitable for subway tunnel in operation period |
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| CN103940364A (en) * | 2014-05-04 | 2014-07-23 | 赵鸣 | Subway tunnel relative deformation photogrammetry method |
| CN104034275A (en) * | 2014-06-09 | 2014-09-10 | 同济大学 | Total station instrument based subway tunnel deformation automatic monitoring method and device |
| CN104406565A (en) * | 2014-11-13 | 2015-03-11 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for converting and monitoring structure deformation by utilizing coordinate system |
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Application publication date: 20170510 Assignee: Nanjing Ubiquitous Technology Co.,Ltd. Assignor: HOHAI University Contract record no.: X2021980000167 Denomination of invention: A baseline based monitoring method for horizontal displacement and deformation of subway tunnel Granted publication date: 20190312 License type: Common License Record date: 20210107 |