CN110440743A - A kind of tunnel deformation monitoring method, system, medium and equipment based on baseline - Google Patents

A kind of tunnel deformation monitoring method, system, medium and equipment based on baseline Download PDF

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Publication number
CN110440743A
CN110440743A CN201910686596.8A CN201910686596A CN110440743A CN 110440743 A CN110440743 A CN 110440743A CN 201910686596 A CN201910686596 A CN 201910686596A CN 110440743 A CN110440743 A CN 110440743A
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point
coordinate
total station
measuring point
phase
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CN110440743B (en
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郑健
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China Railway Engineering Consulting Group Co Ltd
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郑健
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/32Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring the deformation in a solid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

The present invention relates to a kind of tunnel deformation monitoring method, system, medium and equipment based on baseline, this method comprises: establishing tunnel deformation monitoring coordinate system;Determine coordinate of two datum marks in tunnel deformation monitoring coordinate system;The coordinate of the survey station point of total station is calculated according to the datum mark parameter that the coordinate of two datum marks and total station measure;The three-dimensional coordinate of each measuring point of each phase is calculated according at least two phase measuring point parameters that the three-dimensional coordinate of survey station point and total station measure;According to the three-dimensional coordinate of each measuring point of each phase, the three-D displacement vector of each measuring point of each phase is determined.The present invention can obtain measuring point more fully three-D displacement data using total station, the three-dimensional coordinate of each measuring point can be easily calculated in conjunction with the geometrical relationship of datum mark, survey station point and measuring point, the three-D displacement vector obtained according to the three-dimensional coordinate numerical value of each measuring point of each phase can carry out the feedback monitoring work of deformation information, while have the characteristics that fast power-saving, datamation degree are high and need not be close to measuring point.

Description

A kind of tunnel deformation monitoring method, system, medium and equipment based on baseline
Technical field
The present invention relates to field of measuring technique, and in particular to a kind of tunnel deformation monitoring method based on baseline, system, Jie Matter and equipment.
Background technique
During constructing metro tunnel, tunnel deformation monitoring is an important action, core be will in time, Effectively obtain that country rock and the mechanics of supporting dynamic and stability state during constructing tunnel be complete, reliable data, for evaluation Time offer information foundation is applied with modification preliminary bracing parameter, mechanical analysis and secondary lining;It is fed back and is predicted by information Optimizing construction organization design is offered in advance, instructs site operation, it is ensured that the society of the safety of constructing tunnel and quality and engineering project, Economy and environmental benefit.
Currently, tunnel deformation monitors mainly using traditional displacement monitoring method, conventional items are the sinking of arch item and periphery Convergence.Wherein, the convergence measurement of tunnel perimeter uses convergence gauge, although the accuracy of reading of convergence gauge itself is very high, is monitoring In the process, it is influenced by various factors such as equipment placements, practical repeatable accuracy can only achieve 0.3-0.5mm or so.Meanwhile this Kind method is limited on tunnel perimeter the relative distance between each point, and can only acquire some displacement relative to another point, separately Outside, tunnel assymmetrical deformation and length travel can not also be measured.The monitoring of tunnel arch top settlement uses the side of traditional measurement of the level Method can reach the precision of 0.5-1mm, but when measuring the point of abutment wall, then be difficult to measure, thus also not very accurate.Also, It carries out the measurement of the level and obtains convergence reading because needing to put into certain manpower and time to collect data, thus to a certain degree On disturb construction progress.Further, since the influence of construction ventilation, lathe turner machinery and equipment and other barriers, using tradition Method cannot often obtain continuous deformation information.
Summary of the invention
In view of the above technical problems, the present invention provide a kind of tunnel deformation monitoring method based on baseline, system, medium and Equipment.
The technical scheme to solve the above technical problems is that a kind of tunnel deformation monitoring method based on baseline, The following steps are included:
Establish tunnel deformation monitoring coordinate system;
Determine coordinate of two datum marks in tunnel deformation monitoring coordinate system;
The datum mark parameter measured according to the coordinate of described two datum marks and total station calculates the survey station of the total station The coordinate of point;
It is each that each phase is calculated according at least two phase measuring point parameters that the three-dimensional coordinate of the survey station point and the total station measure The three-dimensional coordinate of measuring point;
According to the three-dimensional coordinate of each measuring point of each phase, the three-D displacement vector of each measuring point of each phase is determined.
The beneficial effects of the present invention are: measuring point more fully three-D displacement data can be obtained using total station, in conjunction with base On schedule, the geometrical relationship of survey station point and measuring point can easily calculate the three-dimensional coordinate of each measuring point, according to each measuring point of each phase The three-D displacement vector that three-dimensional coordinate numerical value obtains can carry out the feedback monitoring work of deformation information, while have quick province Power, datamation degree are high and need not be close to measuring point the features such as.
For achieving the above object, the present invention also provides a kind of, and the tunnel deformation based on baseline monitors system, comprising:
Module is established, for establishing tunnel deformation monitoring coordinate system;
Determining module, for determining coordinate of two datum marks in tunnel deformation monitoring coordinate system;
First computing module, the datum mark parameter measured for the coordinate and total station according to described two datum marks calculate The coordinate of the survey station point of the total station;
Second computing module, at least two phases measured for the three-dimensional coordinate and the total station according to the survey station point survey Point parameter calculates the three-dimensional coordinate of each measuring point of each phase;
Third computing module calculates the three-D displacement arrow of each measuring point of each phase for the three-dimensional coordinate according to each measuring point of each phase Amount.
The present invention also provides a kind of computer readable storage mediums, including instruction, when described instruction is run on computers When, so that the computer is executed the above method.
The present invention also provides a kind of computer equipment, including memory, processor and be stored on the memory and The computer program that can be run on the processor, the processor realize the above method when executing described program.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the tunnel deformation monitoring method based on baseline provided in an embodiment of the present invention;
Fig. 2 is a kind of Observation principle figure of the tunnel deformation monitoring method based on baseline provided in an embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
Fig. 1 is a kind of flow chart of the tunnel deformation monitoring method based on baseline provided in an embodiment of the present invention, such as Fig. 1 institute Show, method includes the following steps:
S1, tunnel deformation monitoring coordinate system is established;
S2, coordinate of two datum marks in tunnel deformation monitoring coordinate system is determined;
S3, the survey that the total station is calculated according to the datum mark parameter that the coordinate and total station of described two datum marks measure The coordinate of website;
S4, each phase is calculated according at least two phase measuring point parameters that the three-dimensional coordinate and the total station of the survey station point measure The three-dimensional coordinate of each measuring point;
S5, according to the three-dimensional coordinate of each measuring point of each phase, determine the three-D displacement vector of each measuring point of each phase.
Specifically, the tunnel deformation monitors coordinate system on tunnel axis direction to excavate direction as X-axis positive direction, open Excavation is Y-axis positive direction to the right and perpendicular to axis, and plumb line upward direction is Z axis positive direction.
By the datum mark of two known coordinates as backsight point, the coordinate of survey station point is acquired first, then passes through survey station point Coordinate measurement and calculation goes out the coordinate of forward sight measuring point;In whole process, the coordinate of survey station point only plays transmitting, thus when measuring every time, The position of survey station point can be arbitrarily (but every time position answer roughly the same), that is, use " voluntary intake " mode, this mode It is well adapted for the objective condition in tunnel in construction, Observation principle is as shown in Figure 2.
If A, point on the basis of B, A ', B ' are respectively datum mark A, B on the horizontal plane by the survey station point P point of total station Subpoint, coordinate are respectively xA′、yA′、xB′、yB′, DA、DBThe respectively horizontal distance of A, B point, αB′For the direction PB ' and the direction PA ' Horizontal sextant angle, then step S3 specifically includes:
Calculate the azimuth angle alpha in the direction A ' PA′PAre as follows:
αA′PA′B′
Wherein,
Calculate the coordinate of survey station point P are as follows:
xP=xA′+DA cosαA′P
yP=yA′+DA sinαA′P
As shown in Fig. 2, setting 1,2 as an interim measuring point, 1 ', 2 ' be respectively measuring point 1,2 in the survey station point P for passing through total station Subpoint on the horizontal plane of point, SA、SB、S1、S2Respectively total station measure A, B, 1,2 point of oblique distance, VA、VB、V1、V2Point Not Wei total station the A, B, 1,2 point of the vertical angle that measure, D1、D2Respectively 1,2 point of horizontal distance, HA、HBRespectively total station The elevation of A, B point measured, α1′、α2′The respectively horizontal sextant angle in the direction P1 ', P2 ' and the direction PA ', step S4, specifically includes:
1,2 point of coordinate is calculated to be respectively as follows:
x1=xP+D1 cos(αPA′1′)
y1=yP+D1 sin(αPA′1′)
x2=xP+D2 cos(αPA′2′)
y1=xP+D2 sin(αPA′2′)
Calculate separately the elevation H of survey station point PP1、HP2:
HP1=HA-SA sin VA
HP2=HB-SB sin VB
To elevation HP1、HP2Adjustment processing is carried out, the elevation H of P point is obtainedP
Calculate separately 1,2 point of elevation H1、H2:
H1=HP-S1 sin V1
H2=HP-S2 sin V2
It can be converted to obtain 1,2 point of z-axis coordinate in the case where tunnel deformation monitors coordinate system according to 1,2 point of elevation, in conjunction with preceding 1,2 point of x-axis and y-axis coordinate in the case where tunnel deformation monitors coordinate system that face is calculated, can be obtained 1,2 point of three-dimensional coordinate, The three-dimensional coordinate of each measuring point of each phase is compared with the three-dimensional coordinate of first time measuring and calculating, the three-dimensional position of each phase each point can be measured Move vector.
The embodiment of the present invention provides a kind of tunnel deformation monitoring system based on baseline, the function of modules in the system Principle has carried out specific introduction in foregoing teachings, repeats no more below.
The system includes:
Module is established, for establishing tunnel deformation monitoring coordinate system;
Determining module, for determining coordinate of two datum marks in tunnel deformation monitoring coordinate system;
First computing module, the datum mark parameter measured for the coordinate and total station according to described two datum marks calculate The coordinate of the survey station point of the total station;
Second computing module, at least two phases measured for the three-dimensional coordinate and the total station according to the survey station point survey Point parameter calculates the three-dimensional coordinate of each measuring point of each phase;
Third computing module calculates the three-D displacement arrow of each measuring point of each phase for the three-dimensional coordinate according to each measuring point of each phase Amount.
Optionally, in this embodiment, the tunnel deformation monitoring coordinate system is on tunnel axis direction to excavate direction For X-axis positive direction, excavates on the right side of direction and be Y-axis positive direction perpendicular to axis, plumb line upward direction is Z axis positive direction.
Optionally, in this embodiment, if point, A ', B ' are respectively datum mark A, B by total station on the basis of A, B Subpoint on the horizontal plane of survey station point P point, coordinate is respectively xA′、yA′、xB′、yB′, DA、DBRespectively A, B point it is horizontal away from From αB′For the horizontal sextant angle in the direction PB ' and the direction PA ', first computing module is specifically used for:
Calculate the azimuth angle alpha in the direction A ' PA′PAre as follows:
αA′PA′B′
Wherein,
Calculate the coordinate of survey station point P are as follows:
xP=xA′+DA cosαA′P
yP=yA′+DA sinαA′P
Optionally, in this embodiment, if 1,2 be an interim measuring point, 1 ', 2 ' be respectively that measuring point 1,2 is passing through whole station Subpoint on the horizontal plane of the survey station point P point of instrument, SA、SB、S1、S2Respectively total station measure A, B, 1,2 point of oblique distance, VA、VB、V1、V2The respectively A, B, 1,2 point of the vertical angle that measure of total station, D1、D2Respectively 1,2 point of horizontal distance, HA、HB The respectively elevation of A, B point that measures of total station, α1′、α2′The respectively horizontal sextant angle in the direction P1 ', P2 ' and the direction PA ', it is described Second computing module, is specifically used for:
1,2 point of coordinate is calculated to be respectively as follows:
x1=xP+D1 cos(αPA′1′)
y1=yP+D1 sin(αPA′1′)
x2=xP+D2 cos(αPA′2′)
y1=xP+D2 sin(αPA′2′)
Calculate separately the elevation H of survey station point PP1、HP2:
HP1=HA-SA sin VA
HP2=HB-SB sin VB
To elevation HP1、HP2Adjustment processing is carried out, the elevation elevation H of P point is obtainedP
Calculate separately 1,2 point of elevation H1、H2:
H1=HP-S1 sin V1
H2=HP-S2 sin V2
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is in computer When upper operation, the computer is made to execute the method and step in above method embodiment;Or storage the above system embodiment The corresponding instruction of each software module.
The embodiment of the present invention also provides a kind of computer equipment, including memory, processor and is stored in the memory On and the computer program that can run on the processor, the processor realize that the above method is real when executing described program Apply the method and step in example.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of tunnel deformation monitoring method based on baseline, which comprises the following steps:
Establish tunnel deformation monitoring coordinate system;
Determine coordinate of two datum marks in tunnel deformation monitoring coordinate system;
The datum mark parameter measured according to the coordinate of described two datum marks and total station calculates the survey station point of the total station Coordinate;
Each phase each measuring point is calculated according at least two phase measuring point parameters that the three-dimensional coordinate of the survey station point and the total station measure Three-dimensional coordinate;
According to the three-dimensional coordinate of each measuring point of each phase, the three-D displacement vector of each measuring point of each phase is determined.
2. a kind of tunnel deformation monitoring method based on baseline according to claim 1, which is characterized in that the tunnel becomes Shape monitors coordinate system on tunnel axis direction to excavate direction as X-axis positive direction, excavates on the right side of direction and is Y perpendicular to axis Axis positive direction, plumb line upward direction are Z axis positive direction.
3. a kind of tunnel deformation monitoring method based on baseline according to claim 2, which is characterized in that set A, B as base On schedule, A ', B ' are respectively the subpoint of datum mark A, B on the horizontal plane by the survey station point P point of total station, and coordinate is respectively xA′、yA′、xB′、yB′, DA、DBThe respectively horizontal distance of A, B point, αB′For the horizontal sextant angle in the direction PB ' and the direction PA ', described The coordinate of the survey station point of the total station is calculated according to the datum mark parameter that the coordinate and total station of described two datum marks measure, and is had Body includes:
Calculate the azimuth angle alpha in the direction A ' PA′PAre as follows:
αA′PA′B′
Wherein,
Calculate the coordinate of survey station point P are as follows:
xP=xA′+DAcosαA′P
yP=yA′+DAsinαA′P
4. a kind of tunnel deformation monitoring method based on baseline according to claim 3, which is characterized in that set 1,2 as one Interim measuring point, 1 ', 2 ' be respectively subpoint of the measuring point 1,2 on the horizontal plane by the survey station point P point of total station, SA、SB、 S1、S2Respectively total station measure A, B, 1,2 point of oblique distance, VA、VB、V1、V2Respectively total station measure A, B, 1,2 point Vertical angle, D1、D2Respectively 1,2 point of horizontal distance, HA、HBThe respectively elevation of A, B point that measures of total station, α1′、α2′Respectively For the horizontal sextant angle in the direction P1 ', P2 ' and the direction PA ', the coordinate and the total station according to the survey station point measure to Few two phase measuring point parameters calculate the three-dimensional coordinate of each measuring point of each phase, specifically include:
1,2 point of coordinate is calculated to be respectively as follows:
x1=xP+D1cos(αPA′1′)
y1=yP+D1sin(αPA′1′)
x2=xP+D2cos(αPA′2′)
y1=xP+D2sin(αPA′2′)
Calculate separately the elevation H of survey station point PP1、HP2:
HP1=HA-SAsinVA
HP2=HB-SBsinVB
To elevation HP1、HP2Adjustment processing is carried out, the elevation H of P point is obtainedP
Calculate separately 1,2 point of elevation H1、H2:
H1=HP-S1sinV1
H2=HP-S2sinV2
5. a kind of tunnel deformation based on baseline monitors system characterized by comprising
Module is established, for establishing tunnel deformation monitoring coordinate system;
Determining module, for determining coordinate of two datum marks in tunnel deformation monitoring coordinate system;
First computing module, described in datum mark parameter for being measured according to the coordinate of described two datum marks and total station calculates The coordinate of the survey station point of total station;
Second computing module, at least two phase measuring points ginseng measured for the three-dimensional coordinate and the total station according to the survey station point Number calculates the three-dimensional coordinate of each phase each measuring point;
Third computing module calculates the three-D displacement vector of each measuring point of each phase for the three-dimensional coordinate according to each measuring point of each phase.
6. a kind of tunnel deformation based on baseline according to claim 5 monitors system, which is characterized in that the tunnel becomes Shape monitors coordinate system on tunnel axis direction to excavate direction as X-axis positive direction, excavates on the right side of direction and is Y perpendicular to axis Axis positive direction, plumb line upward direction are Z axis positive direction.
7. a kind of tunnel deformation based on baseline according to claim 6 monitors system, which is characterized in that set A, B as base On schedule, A ', B ' are respectively the subpoint of datum mark A, B on the horizontal plane by the survey station point P point of total station, and coordinate is respectively xA′、yA′、xB′、yB′, DA、DBThe respectively horizontal distance of A, B point, αB′For the horizontal sextant angle in the direction PB ' and the direction PA ', described One computing module, is specifically used for:
Calculate the azimuth angle alpha in the direction A ' PA′PAre as follows:
αA′PA′B′
Wherein,
Calculate the coordinate of survey station point P are as follows:
xP=xA′+DAcosαA′P
yP=yA′+DAsinαA′P
8. a kind of tunnel deformation based on baseline according to claim 7 monitors system, which is characterized in that set 1,2 as one Interim measuring point, 1 ', 2 ' be respectively subpoint of the measuring point 1,2 on the horizontal plane by the survey station point P point of total station, SA、SB、 S1、S2Respectively total station measure A, B, 1,2 point of oblique distance, VA、VB、V1、V2Respectively total station measure A, B, 1,2 point Vertical angle, D1、D2Respectively 1,2 point of horizontal distance, HA、HBThe respectively elevation of A, B point that measures of total station, α1′、α2′Respectively For the horizontal sextant angle in the direction P1 ', P2 ' and the direction PA ', second computing module is specifically used for:
1,2 point of coordinate is calculated to be respectively as follows:
x1=xP+D1cos(αPA′1′)
y1=yP+D1sin(αPA′1′)
x2=xP+D2cos(αPA′2′)
y1=xP+D2sin(αPA′2′)
Calculate separately the elevation H of survey station point PP1、HP2:
HP1=HA-SAsinVA
HP2=HB-SBsinVB
To elevation HP1、HP2Adjustment processing is carried out, the elevation H of P point is obtainedP
Calculate separately 1,2 point of elevation H1、H2:
H1=HP-S1sinV1
H2=HP-S2sinV2
9. a kind of computer readable storage medium, including instruction, which is characterized in that when described instruction is run on computers, The computer is set to execute method according to claim 1-4.
10. a kind of computer equipment, including memory, processor and be stored on the memory and can be in the processor The computer program of upper operation, which is characterized in that the processor is realized when executing described program such as any one of claim 1-4 The method.
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