CN109059827A - A kind of method and system of SAA monitoring ground fissure - Google Patents
A kind of method and system of SAA monitoring ground fissure Download PDFInfo
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- CN109059827A CN109059827A CN201810428204.3A CN201810428204A CN109059827A CN 109059827 A CN109059827 A CN 109059827A CN 201810428204 A CN201810428204 A CN 201810428204A CN 109059827 A CN109059827 A CN 109059827A
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The present invention provides a kind of method and system of SAA monitoring ground fissure, method includes: to be parallel to the embedded first array displacement sensor in ground surface direction, second array formula displacement sensor is being buried perpendicular to ground surface direction, the first array displacement sensor and second array formula displacement sensor extend through upper disk and lower wall in ground fissure to be monitored；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, and the Y-axis of three-dimensional system of coordinate is perpendicular to the extending direction of ground fissure to be monitored, and the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；Average displacement amount of each node in X-axis, Y-axis and Z-direction in the first array displacement sensor and second array formula displacement sensor is counted in default monitoring cycle, the first statistical result is obtained, the cyclically-varying rule of ground fissure to be monitored is determined according to the first statistical result.Measurement range can be expanded to a certain extent, while improving the accuracy of ground fissure monitoring result.
Description
Technical field
The present invention relates to gradual property monitoring technology for geological hazards fields, more particularly, to a kind of SAA monitoring ground fissure
Method and system.
Background technique
Ground fissure is that the rock mass of earth's surface and the soil body generate cracking under the action of nature or artifical influence factor, and on ground
The geological phenomenon in crack is formed on face, fracture direction is consistent with underground fracture band, and scale is big, is often in zonal distribution.Thisly
Face deformation disaster has the characteristics that concealment is strong, harmfulness is big, gives all kinds of engineering constructions such as linear engineering, water conservancy projects, city
Building etc. cause directly to destroy, while it again seriously restrict urban planning, effective use of land, mining of groundwater utilize and
Urban Underground Space Excavation utilizes.
Since the particularity of ground fissure Earth Subsidence Hazards and threat urban construction and people occupy the seriousness of safety, for many years
Come, domestic and international scientific research personnel has successively put into a large amount of manpower and financial resources, carries out to the prospecting of ground fissure, monitoring, evaluation, forms machine
The research of reason and Preventing Countermeasures.InSAR monitoring technology can be obtained with very high spatial resolution in entire monitoring area surface
Relative deformation, but due to lacking accurate absolute position and absolute deformation reference data, in addition to some atmosphere etc.
Error shortage effectively eliminates means, so its absolute deformation precision obtained is not high enough.GPS monitoring can be obtained highly accurately
The three-dimensional absolute deformation amount of ground each point is obtained, but for an area, due to the limitation of various factors, the GPS of laying is supervised
Site density is always limited, therefore is difficult effectively to obtain the deformation information on whole region face.The measurement of the level can obtain
High-precision discrete point height variation, but need to carry out artificial ground observation measurement, heavy workload, the period is long, and be difficult from
Time and the complete information for spatially obtaining ground fissure deformation.Bidirectional displacement sensing is with finer wire by fixed point and monitoring to be measured
Point is connected, and by obtaining the two relative position situation of change, obtains displacement of each monitoring point relative to fixed point.This dress
Measurement accuracy height is set, sample frequency is high, but equipment installation is complicated and not easily shifted, and measurement range is limited.
Summary of the invention
To stitch monitoring accuracy present in monitoring technology in the prior art not high in order to overcome by the present invention, and measurement range has
The problem of limit, provides a kind of method and system of SAA monitoring ground fissure.
On the one hand, the present invention provides a kind of method of SAA monitoring ground fissure, comprising:
S1 buries the first array displacement sensor, the first array displacement sensing being parallel to ground surface direction
Upper disk and lower wall of the device through ground fissure to be monitored；Second array formula displacement sensor is being buried perpendicular to ground surface direction,
Upper disk and lower wall of the second array formula displacement sensor through the ground fissure to be monitored；
S2, establishes three-dimensional system of coordinate, and the X-axis of the three-dimensional system of coordinate is parallel to the extension side of the ground fissure to be monitored
To, the three-dimensional system of coordinate Y-axis perpendicular to the extending direction of the ground fissure to be monitored, the Z axis of the three-dimensional system of coordinate hangs down
Directly in ground surface；
S3 acquires the first array displacement sensor and the second array formula with frequency once every hour respectively
Displacement of each node in the X-axis, Y-axis and Z-direction in displacement sensor, unites in the default monitoring cycle
Each node in the first array displacement sensor and the second array formula displacement sensor is counted in the X-axis, Y-axis
With the average displacement amount in Z-direction, obtain the first statistical result, according to first statistical result determine it is described to be monitoredly
The cyclically-varying rule in crack.
Preferably, the average displacement amount includes average displacement amount, daily average displacement amount and average bit weekly per hour
Shifting amount.
Preferably, the step S3 further include:
The first array displacement sensor and second array formula displacement are counted in the default monitoring cycle
Each node in sensor accumulating displacement in the X-axis, Y-axis and Z-direction, obtains the second statistical result；
Three-dimensional shaped of the ground fissure to be monitored in the default monitoring cycle is simulated according to second statistical result
Become.
Preferably, the step S3 further include:
The first array displacement sensor and second array formula displacement are counted in the default monitoring cycle
Daily average displacement speed of each node in the X-axis, Y-axis and Z-direction in sensor obtains third statistics knot
Fruit；
The velocity of displacement changing rule of the ground fissure to be monitored is determined according to the third statistical result.
Preferably, described that the first array displacement sensor and described second are counted in the default monitoring cycle
Daily average displacement speed of each node in the X-axis, Y-axis and Z-direction in array displacement sensor is further
Include:
The first array displacement sensor and second array formula displacement are counted in the default monitoring cycle
Each node in sensor every 35 days accumulating displacements in the X-axis, Y-axis and Z-direction；
Existed according to each node in the first array displacement sensor and the second array formula displacement sensor
Every 35 days accumulating displacements, which calculate, in the X-axis, Y-axis and Z-direction obtains the first array displacement sensor and institute
State daily average displacement speed of each node in second array formula displacement sensor in the X-axis, Y-axis and Z-direction.
Preferably, the step S1 further include:
Each node in the first array displacement sensor and the second array formula displacement sensor is carried out
Serial number.
On the one hand, the present invention provides a kind of system of SAA monitoring ground fissure, comprising:
Sensor arrangement module, for burying the first array displacement sensor being parallel to ground surface direction, described the
Upper disk and lower wall of a burst of column displacement sensor through ground fissure to be monitored；Second gust embedded perpendicular to ground surface direction
Column displacement sensor, upper disk and lower wall of the second array formula displacement sensor through the ground fissure to be monitored；
Establishment of coordinate system module, for establishing three-dimensional system of coordinate, the X-axis of the three-dimensional system of coordinate is parallel to described to be monitored
The extending direction of ground fissure, extending direction of the Y-axis of the three-dimensional system of coordinate perpendicular to the ground fissure to be monitored, the three-dimensional
The Z axis of coordinate system is perpendicular to ground surface；
Ground fissure monitoring modular, for acquiring the first array displacement sensor respectively with frequency once every hour
With displacement of each node in the second array formula displacement sensor in the X-axis, Y-axis and Z-direction, described
Each of the first array displacement sensor and the second array formula displacement sensor are counted in default monitoring cycle
Average displacement amount of the node in the X-axis, Y-axis and Z-direction obtains the first statistical result, is tied according to first statistics
Fruit determines the cyclically-varying rule of the ground fissure to be monitored.
Preferably, the ground fissure monitoring modular is also used to:
The first array displacement sensor and second array formula displacement are counted in the default monitoring cycle
Each node in sensor accumulating displacement in the X-axis, Y-axis and Z-direction, obtains the second statistical result；
Three-dimensional shaped of the ground fissure to be monitored in the default monitoring cycle is simulated according to second statistical result
Become.
On the one hand, the present invention provides the equipment of a kind of method of SAA monitoring ground fissure, comprising:
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
It enables and is able to carry out any of the above-described method.
On the one hand, the present invention provides a kind of non-transient computer readable storage medium, and the non-transient computer is readable to deposit
Storage media stores computer instruction, and the computer instruction makes the computer execute any of the above-described method.
A kind of method and system of SAA monitoring ground fissure provided by the invention, are being parallel to ground surface direction embedded first
Array displacement sensor, upper disk and lower wall of the first array displacement sensor through ground fissure to be monitored；Perpendicular to
Second array formula displacement sensor is buried in ground surface direction, and second array formula displacement sensor is upper through ground fissure to be monitored
Disk and lower wall；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, three-dimensional coordinate
The Y-axis of system is perpendicular to the extending direction of ground fissure to be monitored, and the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；With once every hour
Frequency acquire each node in the first array displacement sensor and second array formula displacement sensor respectively in X-axis, Y-axis
With the displacement in Z-direction, the first array displacement sensor and the displacement of second array formula are counted in default monitoring cycle
Average displacement amount of each node in X-axis, Y-axis and Z-direction in sensor obtains the first statistical result, according to first
Statistical result determines the cyclically-varying rule of ground fissure to be monitored.This method and system use array displacement sensor over the ground
Crack is monitored, and the installation of array displacement sensor is simple and easy to remove, can expand measurement range to a certain extent, together
When array displacement sensor frequency acquisition it is high, it is possible to provide more continuous, higher resolution displacement measurement mentions to a certain extent
The high accuracy of ground fissure monitoring result.
Detailed description of the invention
Fig. 1 is the overall flow schematic diagram that a kind of SAA of the embodiment of the present invention monitors the method for ground fissure；
Fig. 2 is the overall structure diagram that a kind of SAA of the embodiment of the present invention monitors the system of ground fissure；
Fig. 3 is the structural framing schematic diagram for the equipment that a kind of SAA of the embodiment of the present invention monitors the method for ground fissure.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
It should be noted that array displacement sensor (Shape Accel Array, SAA) is a kind of novel monitoring
Instrument, inside are made of three axis microelectromechanical systems (MEMS) accelerometers.It uses micro electronmechanical induction mode and array
Computing Principle obtains continuous modification curve in real time.
Every 8 segments SAA form a basic unit (eight hytes or subarray).Each basic unit is by 1 cable, 7
A joint and 8 sensor segment compositions, each sensor segment are equipped with accelerometer and microprocessor, wherein the 4th section
Section also adds temperature sensor.The full-length of sensor segment is 305mm and two kinds of 500mm, generallys use 500mm at present
Full-length, the length of each basic unit is 500 × 8=4000mm, according to field condition, is customized according to the multiple of 4m
SAA product length.
Fig. 1 is the overall flow schematic diagram that a kind of SAA of the embodiment of the present invention monitors the method for ground fissure, as shown in Figure 1,
The present invention provides a kind of method of SAA monitoring ground fissure, comprising:
S1 buries the first array displacement sensor being parallel to ground surface direction, and the first array displacement sensor passes through
It is through at the upper disk and lower wall of ground fissure to be monitored；Perpendicular to ground surface direction bury second array formula displacement sensor, second
Upper disk and lower wall of the array displacement sensor through ground fissure to be monitored；
Specifically, the embedded first array displacement sensor in ground surface direction, the first array displacement sensing are being parallel to
Device through ground fissure to be monitored upper disk and lower wall, for monitoring the relative displacement of ground fissure to be monitored in vertical direction；
Second array formula displacement sensor is being buried perpendicular to ground surface direction, second array formula displacement sensor is through to be monitoredly
The upper disk and lower wall in crack, for monitoring the relative displacement of ground fissure to be monitored in the horizontal direction；Wherein, the first array position
Displacement sensor and second array formula displacement sensor separately include several segments, include a node in each segment, each
Node is correspondingly arranged a three axis accelerometer, i.e. the first array displacement sensor and second array formula displacement sensor difference
Include several three axis accelerometers.The node that first array displacement sensor and second array formula displacement sensor are included
Quantity can be set to identical or different, can be configured, be not specifically limited according to actual needs herein.
It should be noted that ground fissure is that the rock mass of earth's surface and the soil body produce under the action of nature or artifical influence factor
Raw cracking, and the geological phenomenon in crack is formed on the ground, side is covered on the ground fissure plane of fracture and side of underliing respectively becomes
Upper disk and lower wall.
S2 establishes three-dimensional system of coordinate, and the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, and three-dimensional is sat
The Y-axis of system is marked perpendicular to the extending direction of ground fissure to be monitored, the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；
Specifically, in order to clearly reflect the three-dimensional activity of ground fissure, by the first array displacement sensor and second gust
The three dimensional change of each node is regular in column displacement sensor fastens to same three-dimensional coordinate.In view of this, establishing three-dimensional
Coordinate system, the X-axis of three-dimensional system of coordinate are parallel to the extending direction of ground fissure to be monitored, for indicating ground fissure level twisting side
To；The Y-axis of three-dimensional system of coordinate perpendicular to ground fissure to be monitored extending direction, for indicating the horizontal tension direction of ground fissure；Three
The Z axis of coordinate system is tieed up perpendicular to ground surface, for indicating the sedimentation direction of ground fissure.
S3 acquires the first array displacement sensor and second array formula displacement sensing with frequency once every hour respectively
Displacement of each node in X-axis, Y-axis and Z-direction in device counts the displacement of the first array in default monitoring cycle
Average displacement amount of each node in X-axis, Y-axis and Z-direction in sensor and second array formula displacement sensor obtains
First statistical result determines the cyclically-varying rule of ground fissure to be monitored according to the first statistical result.
Specifically, it in order to ensure the accuracy of monitoring result, in the present embodiment, is acquired respectively with frequency once every hour
Each node in first array displacement sensor and second array formula displacement sensor is in X-axis, Y-axis and Z-direction
Displacement.It wherein, include one in each segment of the first array displacement sensor and second array formula displacement sensor
A three axis accelerometer is arranged at each node for node, detects gravitational field by three axis accelerometer, can calculate segment
Bending angle θ, calculated bending angle θ and known segmental length L between each axis, each node is in X-direction
On deflection Δ x=θ L, can similarly calculate separately out deflection Δ y and Δ z of each node in Y-axis and Z-direction.
The working principle of array displacement sensor is specifically referred to, details are not described herein again.
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
Average displacement amount of a node in X-axis, Y-axis and Z-direction, wherein default monitoring cycle can be set according to actual needs
It sets, is not specifically limited herein.Wherein average displacement amount is put down including average displacement amount, daily average displacement amount per hour and weekly
Equal displacement can be configured according to actual needs, be not specifically limited herein.
In order to be best seen from change in displacement tendency chart, in the present embodiment by the first array displacement sensor of statistics and
It is the amount of average displacement per hour in X-axis, Y-axis and Z-direction of each node in second array formula displacement sensor, daily flat
Equal displacement and weekly average displacement amount constantly vacuate initial data, obtain that curve is smoother, overall trend more obviously tires out
Product displacement spirogram determines the cyclically-varying rule of ground fissure to be monitored according to accumulating displacement figure.
It is illustrated by taking the ground fissure of the Koryo campsite road slit band Zhong Xiwang as an example, it is suitable that the road Xi Wang ground fissure is located in Beijing
Adopted area, is located at north latitude 40 ° 09 ' 16 ", 116 ° 29 ' 59 of east longitude ".It is inbuilt that ground surface direction is parallel in Xi Wanglu ground fissure
First array displacement sensor includes 16 nodes altogether, perpendicular to the inbuilt second array formula displacement sensor in ground surface direction
Altogether include 8 nodes, counts the road Xi Wang ground fissure in 2015/11/23~2017/3/2 period the first array displacement sensor
With per hour average displacement amount of each node in second array formula displacement sensor in X-axis, Y-axis and Z-direction, daily
Average displacement amount and weekly average displacement amount are plotted in the cumulative horizontal displacement spirogram on X, Y and Z-direction (figure omits).As it can be seen that
Clearly change in displacement situation be can reflect out by the curve that average displacement amount per hour is drawn, but have more small zigzag
Fluctuation；The curve graph drawn by daily average displacement amount is then smooth very much, and small undulation significantly reduces；By average bit weekly
The most smooth, the not small fluctuation of the curve graph that shifting amount is drawn can reflect the approximate trend that displacement changes over time, but lose
Part detailed information is gone.By further analyzing, following cyclically-varying rule is obtained:
In X-direction (level twisting direction): being in relatively left-handed state 1~March, be in opposite dextrorotation 4~December
State；4~June is deformation active period, and the ground fissure is whole during entire monitoring rotates to relative to right side；In ground fissure,
The remoter soil body deformation quantity of lower wall intersection is smaller；Year Displacement Cumulative amount is -10.04~0.54mm；
In Y-direction (horizontal tension direction): obvious tension in 1~March is obviously tightened for 4~June, July once of short duration urgency
Acute tension, just tends to be steady always later；4~June is deformation active period, and the ground fissure is generally in tension during entire monitoring
State；Year Displacement Cumulative amount is -1.75~5.80mm；
In Z-direction (vertical sedimentation direction): upper dish type variable is very big, and is in opposite propradation, and lower wall deformation quantity
It is relatively small, it is in relative drop state；4~June is deformation active period, other periods then belong to stage of latency, upper and lower disk
Displacement variable all very littles；Year Displacement Cumulative amount is -13.77~0.63mm.
It should be noted that above-mentioned X-direction represents horizontal twisting direction, indicate that ground fissure is relatively left-handed, is when X is positive value
Indicate ground fissure with respect to dextrorotation when negative value；Y-direction represents horizontal tension direction, and ground fissure tension is indicated when Y is positive value, is negative value
When indicate ground fissure tighten；Z-direction represents vertical sedimentation direction, indicates that ground fissure is opposite when Z is positive value and rises, table when being negative value
Show ground fissure relative drop.
A kind of method of SAA monitoring ground fissure provided by the invention, buries the first array being parallel to ground surface direction
Displacement sensor, upper disk and lower wall of the first array displacement sensor through ground fissure to be monitored；Perpendicular to ground surface
Second array formula displacement sensor is buried in direction, second array formula displacement sensor through ground fissure to be monitored upper disk and under
Disk；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, the Y-axis of three-dimensional system of coordinate
Perpendicular to the extending direction of ground fissure to be monitored, the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；With frequency once every hour point
Each node in the first array displacement sensor and second array formula displacement sensor is not acquired in X-axis, Y-axis and Z axis side
Upward displacement counts in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
Average displacement amount of each node in X-axis, Y-axis and Z-direction, the first statistical result is obtained, according to the first statistical result
Determine the cyclically-varying rule of ground fissure to be monitored.This method is monitored ground fissure using array displacement sensor,
The installation of array displacement sensor is simple and easy to remove, can expand measurement range to a certain extent, while array displacement passes
Sensor frequency acquisition is high, it is possible to provide more continuous, higher resolution displacement measurement improves ground fissure monitoring to a certain extent
As a result accuracy.
Based on any of the above-described embodiment, a kind of method of SAA monitoring ground fissure is provided, average displacement amount includes putting down per hour
Equal displacement, daily average displacement amount and average displacement amount weekly.
Specifically, in order to be best seen from the change in displacement trend of ground fissure to be monitored, to the first array in the present embodiment
Each node putting down in X-axis, Y-axis and Z-direction per hour in formula displacement sensor and second array formula displacement sensor
Equal displacement, daily average displacement amount and average displacement amount is counted weekly.
Wherein, by monitor in default monitoring cycle it is daily in relative shift hourly, counted after carrying out accumulation summation
It calculates average value and obtains average displacement amount per hour；By monitoring in default monitoring cycle relative shift daily in weekly, into
Average value, which is calculated, after row accumulation summation obtains daily average displacement amount；By monitoring in default monitoring cycle in every 35 days weekly
Relative shift calculates average value acquisition average displacement amount weekly after carrying out accumulation summation.
It in other embodiments, can also be in the first array displacement sensor and second array formula displacement sensor
Other kinds of average displacement amount of each node in X-axis, Y-axis and Z-direction is counted, can according to actual needs into
Row setting, is not specifically limited herein.In addition, average displacement amount, daily average displacement amount and average displacement amount weekly per hour
It can also be obtained by other calculations, can be configured, be not specifically limited herein according to actual needs.
The method of a kind of SAA monitoring ground fissure provided by the invention, to the first array displacement sensor and second array
Per hour average displacement amount, daily average displacement amount of each node in X-axis, Y-axis and Z-direction in formula displacement sensor
Average displacement amount is counted weekly, and then the cyclically-varying rule of ground fissure to be monitored is determined according to statistical result；Energy
The enough change in displacement trend for more accurately obtaining ground fissure to be monitored, improves the accuracy of ground fissure monitoring result.
Based on any of the above-described embodiment, a kind of method of SAA monitoring ground fissure, step S3 are provided further include:
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
A node accumulating displacement in X-axis, Y-axis and Z-direction obtains the second statistical result；According to the second statistical result simulation to
Monitor three-dimensional deformation of the ground fissure in default monitoring cycle.
Specifically, the first array displacement sensor and second array formula displacement sensor are counted in default monitoring cycle
In each node in X-axis, Y-axis and Z-direction accumulating displacement, according to statistical result using MATLAB programming simulate wait supervise
Three-dimensional deformation of the geodetic crack in default monitoring cycle.Now it is illustrated by taking the ground fissure of the above-mentioned road Xi Wang as an example,
The the first array displacement sensor and second array formula displacement sensor of corresponding statistics during 2015/11/23~2017/3/2
In each node accumulating displacement in X-axis, Y-axis and Z-direction concrete condition it is as shown in table 1 below.
Table 1
Deformation of each node on tri- directions X, Y, Z is drawn out using MATLAB programming according to the accumulating displacement of table 1
Situation, to simulate the three-dimensional deformation of ground fissure.
A kind of method of SAA monitoring ground fissure provided by the invention, counts the first array position in default monitoring cycle
Each node accumulating displacement, acquisition in X-axis, Y-axis and Z-direction in displacement sensor and second array formula displacement sensor
Second statistical result；Three-dimensional deformation of the ground fissure to be monitored in default monitoring cycle is simulated according to the second statistical result；Favorably
In the situation of change of intuitively observation ground fissure, and then be conducive to provide corresponding control measure in conjunction with the situation of change of ground fissure
And suggestion.
Based on any of the above-described embodiment, a kind of method of SAA monitoring ground fissure, step S3 are provided further include:
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
Daily average displacement speed of a node in X-axis, Y-axis and Z-direction obtains third statistical result；It is counted and is tied according to third
Fruit determines the velocity of displacement changing rule of ground fissure to be monitored.
Specifically, the first array displacement sensor and second array formula displacement sensor are counted in default monitoring cycle
In daily average displacement speed of each node in X-axis, Y-axis and Z-direction, ground cleave to be monitored is determined according to statistical result
The velocity of displacement changing rule of seam.
In order to preferably obtain velocity of displacement changing rule, is being preset in monitoring cycle in the present embodiment, be single with 35 days
Position counts daily average displacement speed, obtains that curve is smoother, the more obvious velocity of displacement variation diagram of variation tendency.To basis
Velocity of displacement variation diagram determines the velocity of displacement changing rule of ground fissure to be monitored.
It is illustrated by taking the ground fissure of the above-mentioned road Xi Wang as an example, velocity of displacement variation diagram is obtained according to above-mentioned statistical method.From
The rule summarized in velocity profile is as follows:
In X-direction (level twisting direction): the velocity of displacement amount in 1~July is relatively large, wherein the velocity of displacement in April
Measure maximum (- 2.97mm/35 days)；
In Y-direction (horizontal tension direction): velocity of displacement is integrally less than normal, and maximum value only has -0.32mm/35 days, but changes
With some cycles, primary fluctuation up and down is completed within about 4 months；
In Z-direction (vertical sedimentation direction): the velocity of displacement of upper disk is integrally greater than lower wall, and maximum value is -0.5mm/35 days；
Upper and lower disk velocity of displacement variation is all very regular, and 5 apparent cyclic fluctuations are shared during monitoring, be respectively November~
March next year, March~June, June~August, August~November and November~March next year.
A kind of method of SAA monitoring ground fissure provided by the invention, counts the first array position in default monitoring cycle
Daily average displacement of each node in X-axis, Y-axis and Z-direction in displacement sensor and second array formula displacement sensor
Speed obtains third statistical result；The velocity of displacement changing rule of ground fissure to be monitored is determined according to third statistical result.The party
Method is capable of the velocity of displacement changing rule of accurate measurements ground fissure, to be conducive to the velocity of displacement changing rule in conjunction with ground fissure
Corresponding control measure and suggestion are provided.
Based on any of the above-described embodiment, a kind of method of SAA monitoring ground fissure is provided, the is counted in default monitoring cycle
Each node in a burst of column displacement sensor and the second array formula displacement sensor is in X-axis, Y-axis and Z-direction
Daily average displacement speed further comprise:
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
A node every 35 days accumulating displacements in X-axis, Y-axis and Z-direction；According to the first array displacement sensor and second gust
Each node every 35 days accumulating displacements calculating acquisition first in X-axis, Y-axis and Z-direction in column displacement sensor
Each node in array displacement sensor and second array formula displacement sensor is daily in X-axis, Y-axis and Z-direction
Average displacement speed.
Specifically, the velocity of displacement variation diagram that daily average displacement speed obtains is counted as unit of 1 day, it cannot be preferably
Reflect ground fissure activity change trend, and influenced by accidentalia, is easy to produce noise.In view of this, in the present embodiment,
Daily average displacement speed is counted as unit of 35 days, is implemented as follows:
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
A node every 35 days accumulating displacements in X-axis, Y-axis and Z-direction；According to the first array displacement sensor and second gust
Each node every 35 days accumulating displacements calculating acquisition first in X-axis, Y-axis and Z-direction in column displacement sensor
Each node in array displacement sensor and second array formula displacement sensor is daily in X-axis, Y-axis and Z-direction
Average displacement speed.Specific formula for calculation is as follows:
Wherein v35diIt is the average displacement speed at i-th 35 days, DiIt is the displacement added up during i-th 35 days, △ t
It is equivalent to 35 days, speed was indicated with mm/35 days units.
A kind of method of SAA monitoring ground fissure provided by the invention, counts the first array position in default monitoring cycle
Each node in displacement sensor and second array formula displacement sensor every 35 days accumulation positions in X-axis, Y-axis and Z-direction
Shifting amount；According to each node in the first array displacement sensor and second array formula displacement sensor in X-axis, Y-axis and Z axis
Every 35 days accumulating displacements, which calculate, on direction obtains in the first array displacement sensor and second array formula displacement sensor
Daily average displacement speed of each node in X-axis, Y-axis and Z-direction.This method can reduce the shadow of accidentalia
It rings, effectively reduces noise, further improve the accuracy of the monitoring result of ground fissure velocity of displacement changing rule.
Based on any of the above-described embodiment, a kind of method of SAA monitoring ground fissure, step S1 further include: to first gust are provided
Each node in column displacement sensor and second array formula displacement sensor carries out serial number.
Specifically, for the ease of in ground fissure monitoring process to the first array displacement sensor and second array formula position
Each node in displacement sensor distinguishes, and is conducive to carry out independent analysis to the change in displacement situation of each node, this
In embodiment, before embedded first array displacement sensor and second array formula displacement sensor, also need to the first array
Each node in formula displacement sensor and second array formula displacement sensor carries out serial number.Wherein, the first array position
Node serial number in displacement sensor is sequentially increased from the supreme disk of lower wall, and the node serial number in second array formula displacement sensor is from upper
Disk to lower wall is sequentially increased.In addition, in other embodiments, it can also be using other modes to the first array displacement sensor
Serial number is carried out with each node in second array formula displacement sensor, can be configured according to actual needs, herein
It is not specifically limited.
The method of a kind of SAA monitoring ground fissure provided by the invention, to the first array displacement sensor and second array
Each node in formula displacement sensor carries out serial number, passes convenient for being displaced in ground fissure monitoring process to the first array
Each node in sensor and second array formula displacement sensor distinguishes, and is conducive to the change in displacement feelings to each node
Condition carries out independent analysis, to improve the accuracy of ground fissure monitoring result.
Fig. 2 is the overall structure diagram that a kind of SAA of the embodiment of the present invention monitors the system of ground fissure, as shown in Fig. 2,
The present invention provides a kind of system of SAA monitoring ground fissure, comprising:
Sensor arrangement module 1, for be parallel to ground surface direction bury the first array displacement sensor, first gust
Upper disk and lower wall of the column displacement sensor through ground fissure to be monitored；Second array formula is being buried perpendicular to ground surface direction
Displacement sensor, upper disk and lower wall of the second array formula displacement sensor through ground fissure to be monitored；
Specifically, it is being parallel to the embedded first array displacement sensor in ground surface direction using sensor arrangement module 1,
First array displacement sensor through ground fissure to be monitored upper disk and lower wall, for monitoring ground fissure to be monitored vertical
Relative displacement on direction；Second array formula displacement sensing is being buried perpendicular to ground surface direction using sensor arrangement module 1
Device, second array formula displacement sensor exist through the upper disk and lower wall of ground fissure to be monitored for monitoring ground fissure to be monitored
Relative displacement in horizontal direction；Wherein, the first array displacement sensor and second array formula displacement sensor separately include
Several segments, include a node in each segment, and each node is correspondingly arranged a three axis accelerometer, i.e. the first array
Formula displacement sensor and second array formula displacement sensor separately include several three axis accelerometers.The displacement of first array passes
The number of nodes that sensor and second array formula displacement sensor are included can be set to it is identical or different, can be according to practical need
It asks and is configured, be not specifically limited herein.
Establishment of coordinate system module 2, for establishing three-dimensional system of coordinate, the X-axis of three-dimensional system of coordinate is parallel to ground fissure to be monitored
Extending direction, the Y-axis of three-dimensional system of coordinate perpendicular to ground fissure to be monitored extending direction, the Z axis of three-dimensional system of coordinate perpendicular to
Ground surface；
Specifically, in order to clearly reflect the three-dimensional activity of ground fissure, by the first array displacement sensor and second gust
The three dimensional change of each node is regular in column displacement sensor fastens to same three-dimensional coordinate.In view of this, utilizing coordinate
System establishes module 2 and establishes three-dimensional system of coordinate, and the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, is used for table
Show that ground fissure level twists direction；The Y-axis of three-dimensional system of coordinate perpendicular to ground fissure to be monitored extending direction, for indicating ground cleave
Stitch horizontal tension direction；The Z axis of three-dimensional system of coordinate is perpendicular to ground surface, for indicating the sedimentation direction of ground fissure.
Ground fissure monitoring modular 3, for frequency once every hour acquire respectively the first array displacement sensor and
Displacement of each node in X-axis, Y-axis and Z-direction in second array formula displacement sensor, in default monitoring cycle
Each node in the first array displacement sensor and second array formula displacement sensor is counted in X-axis, Y-axis and Z-direction
On average displacement amount, obtain the first statistical result, the cyclically-varying of ground fissure to be monitored is determined according to the first statistical result
Rule.
Specifically, in order to ensure the accuracy of monitoring result, in the present embodiment, using ground fissure monitoring modular 3 with every small
The frequency of Shi Yici acquires each node in the first array displacement sensor and second array formula displacement sensor in X respectively
Displacement in axis, Y-axis and Z-direction.Wherein, the first array displacement sensor and second array formula displacement sensor is every
Include a node in a segment, a three axis accelerometer is set at each node, weight is detected by three axis accelerometer
The field of force can calculate bending angle θ, calculated bending angle θ and known segmental length between each axis in segment
L, the deflection Δ x=θ L of each node in the X-axis direction, can similarly calculate separately out each node in Y-axis and Z-direction
On deflection Δ y and Δ z.The working principle of array displacement sensor is specifically referred to, details are not described herein again.
The first array displacement sensor and second array are counted in default monitoring cycle using ground fissure monitoring modular 3
Average displacement amount of each node in X-axis, Y-axis and Z-direction in formula displacement sensor, wherein default monitoring cycle can be with
It is configured, is not specifically limited herein according to actual needs.Wherein average displacement amount includes average displacement amount, daily per hour
Average displacement amount and weekly average displacement amount can be configured according to actual needs, be not specifically limited herein.
In order to be best seen from change in displacement tendency chart, in the present embodiment by the first array displacement sensor of statistics and
It is the amount of average displacement per hour in X-axis, Y-axis and Z-direction of each node in second array formula displacement sensor, daily flat
Equal displacement and weekly average displacement amount constantly vacuate initial data, obtain that curve is smoother, overall trend more obviously tires out
Product displacement spirogram determines the cyclically-varying rule of ground fissure to be monitored according to accumulating displacement figure.In order to make it easy to understand, please join
See in above-mentioned corresponding method embodiment for example, details are not described herein again.
A kind of system of SAA monitoring ground fissure provided by the invention, buries the first array being parallel to ground surface direction
Displacement sensor, upper disk and lower wall of the first array displacement sensor through ground fissure to be monitored；Perpendicular to ground surface
Second array formula displacement sensor is buried in direction, second array formula displacement sensor through ground fissure to be monitored upper disk and under
Disk；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to the extending direction of ground fissure to be monitored, the Y-axis of three-dimensional system of coordinate
Perpendicular to the extending direction of ground fissure to be monitored, the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；With frequency once every hour point
Each node in the first array displacement sensor and second array formula displacement sensor is not acquired in X-axis, Y-axis and Z axis side
Upward displacement counts in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
Average displacement amount of each node in X-axis, Y-axis and Z-direction, the first statistical result is obtained, according to the first statistical result
Determine the cyclically-varying rule of ground fissure to be monitored.The system is monitored ground fissure using array displacement sensor,
The installation of array displacement sensor is simple and easy to remove, can expand measurement range to a certain extent, while array displacement passes
Sensor frequency acquisition is high, it is possible to provide more continuous, higher resolution displacement measurement improves ground fissure monitoring to a certain extent
As a result accuracy.
Based on any of the above-described embodiment, a kind of system of SAA monitoring ground fissure is provided, ground fissure monitoring modular 3 is also used to:
Count every in the first array displacement sensor and second array formula displacement sensor in default monitoring cycle
A node accumulating displacement in X-axis, Y-axis and Z-direction obtains the second statistical result；According to the second statistical result simulation to
Monitor three-dimensional deformation of the ground fissure in default monitoring cycle.
Specifically, counted in default monitoring cycle using ground fissure monitoring modular 3 first array displacement sensor and
Each node in second array formula displacement sensor accumulating displacement in X-axis, Y-axis and Z-direction, according to statistical result benefit
Three-dimensional deformation of the ground fissure to be monitored in default monitoring cycle is simulated with MATLAB programming.In order to make it easy to understand, referring to
It states in corresponding method embodiment for example, details are not described herein again.
A kind of system of SAA monitoring ground fissure provided by the invention, counts the first array position in default monitoring cycle
Each node accumulating displacement, acquisition in X-axis, Y-axis and Z-direction in displacement sensor and second array formula displacement sensor
Second statistical result；Three-dimensional deformation of the ground fissure to be monitored in default monitoring cycle is simulated according to the second statistical result；Favorably
In the situation of change of intuitively observation ground fissure, and then be conducive to provide corresponding control measure in conjunction with the situation of change of ground fissure
And suggestion.
Fig. 3 shows a kind of structural block diagram of the equipment of the method for SAA monitoring ground fissure of the embodiment of the present invention.Reference Fig. 3,
The equipment of the method for the SAA monitoring ground fissure, comprising: processor (processor) 31, memory (memory) 32 and bus
33；Wherein, the processor 31 and memory 32 complete mutual communication by the bus 33；The processor 31 is used for
The program instruction in the memory 32 is called, to execute method provided by above-mentioned each method embodiment, for example, flat
Row buries the first array displacement sensor in ground surface direction, and the first array displacement sensor is through ground fissure to be monitored
Upper disk and lower wall；Second array formula displacement sensor, second array formula displacement sensor are being buried perpendicular to ground surface direction
Through the upper disk and lower wall of ground fissure to be monitored；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to ground cleave to be monitored
The extending direction of seam, perpendicular to the extending direction of ground fissure to be monitored, the Z axis of three-dimensional system of coordinate is vertical for the Y-axis of three-dimensional system of coordinate
In ground surface；The first array displacement sensor and second array formula displacement sensor are acquired respectively with frequency once every hour
In displacement of each node in X-axis, Y-axis and Z-direction, the displacement of the first array is counted in default monitoring cycle and is passed
Average displacement amount of each node in X-axis, Y-axis and Z-direction in sensor and second array formula displacement sensor obtains the
One statistics is as a result, determine the cyclically-varying rule of ground fissure to be monitored according to the first statistical result.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, is being parallel to ground surface side
To embedded first array displacement sensor, the first array displacement sensor through ground fissure to be monitored upper disk and under
Disk；Second array formula displacement sensor is being buried perpendicular to ground surface direction, second array formula displacement sensor is through wait supervise
The upper disk and lower wall in geodetic crack；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel to the extension side of ground fissure to be monitored
To the Y-axis of three-dimensional system of coordinate is perpendicular to the extending direction of ground fissure to be monitored, and the Z axis of three-dimensional system of coordinate is perpendicular to ground surface；With
Frequency once every hour acquires each section in the first array displacement sensor and second array formula displacement sensor respectively
Displacement of the point in X-axis, Y-axis and Z-direction counts the first array displacement sensor and second in default monitoring cycle
Average displacement amount of each node in X-axis, Y-axis and Z-direction in array displacement sensor obtains the first statistics knot
Fruit determines the cyclically-varying rule of ground fissure to be monitored according to the first statistical result.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
Such as include: be parallel to ground surface direction bury the first array displacement sensor, the first array displacement sensor through
The upper disk and lower wall of ground fissure to be monitored；Second array formula displacement sensor, second array are being buried perpendicular to ground surface direction
Upper disk and lower wall of the formula displacement sensor through ground fissure to be monitored；Three-dimensional system of coordinate is established, the X-axis of three-dimensional system of coordinate is parallel
In the extending direction of ground fissure to be monitored, extending direction of the Y-axis of three-dimensional system of coordinate perpendicular to ground fissure to be monitored, three-dimensional coordinate
The Z axis of system is perpendicular to ground surface；The first array displacement sensor and second array are acquired respectively with frequency once every hour
Displacement of each node in X-axis, Y-axis and Z-direction in formula displacement sensor counts first in default monitoring cycle
Each node being averaged in X-axis, Y-axis and Z-direction in array displacement sensor and second array formula displacement sensor
Displacement obtains the first statistical result, and the cyclically-varying rule of ground fissure to be monitored is determined according to the first statistical result.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as the equipment of method of SAA monitoring ground fissure described above are only schematical, wherein described
Unit may or may not be physically separated as illustrated by the separation member, and component shown as a unit can be with
It is or may not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can
It is achieved the purpose of the solution of this embodiment with selecting some or all of the modules therein according to the actual needs.This field is common
Technical staff is without paying creative labor, it can understands and implements.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, the present processes are only preferable embodiment, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of method of SAA monitoring ground fissure characterized by comprising
S1 buries the first array displacement sensor being parallel to ground surface direction, and the first array displacement sensor passes through
It is through at the upper disk and lower wall of ground fissure to be monitored；Second array formula displacement sensor is being buried perpendicular to ground surface direction, it is described
Upper disk and lower wall of the second array formula displacement sensor through the ground fissure to be monitored；
S2, establishes three-dimensional system of coordinate, and the X-axis of the three-dimensional system of coordinate is parallel to the extending direction of the ground fissure to be monitored, institute
The Y-axis of three-dimensional system of coordinate is stated perpendicular to the extending direction of the ground fissure to be monitored, the Z axis of the three-dimensional system of coordinate is perpendicular to ground
Surface；
S3 acquires the first array displacement sensor and second array formula displacement with frequency once every hour respectively
Displacement of each node in the X-axis, Y-axis and Z-direction in sensor, counts institute in the default monitoring cycle
Each node in the first array displacement sensor and the second array formula displacement sensor is stated in the X-axis, Y-axis and Z
Average displacement amount in axis direction obtains the first statistical result, determines the ground cleave to be monitored according to first statistical result
The cyclically-varying rule of seam.
2. the method according to claim 1, wherein the average displacement amount include per hour average displacement amount,
Daily average displacement amount and weekly average displacement amount.
3. the method according to claim 1, wherein the step S3 further include:
The first array displacement sensor and the second array formula displacement sensing are counted in the default monitoring cycle
Each node in device accumulating displacement in the X-axis, Y-axis and Z-direction, obtains the second statistical result；
Three-dimensional deformation of the ground fissure to be monitored in the default monitoring cycle is simulated according to second statistical result.
4. the method according to claim 1, wherein the step S3 further include:
The first array displacement sensor and the second array formula displacement sensing are counted in the default monitoring cycle
Daily average displacement speed of each node in the X-axis, Y-axis and Z-direction in device obtains third statistical result；
The velocity of displacement changing rule of the ground fissure to be monitored is determined according to the third statistical result.
5. according to the method described in claim 4, it is characterized in that, described count described first in the default monitoring cycle
Each node in array displacement sensor and the second array formula displacement sensor is in the X-axis, Y-axis and Z-direction
On daily average displacement speed further comprise:
The first array displacement sensor and the second array formula displacement sensing are counted in the default monitoring cycle
Each node in device every 35 days accumulating displacements in the X-axis, Y-axis and Z-direction；
According to each node in the first array displacement sensor and the second array formula displacement sensor in the X
Every 35 days accumulating displacements, which calculate, in axis, Y-axis and Z-direction obtains the first array displacement sensor and described second
Daily average displacement speed of each node in the X-axis, Y-axis and Z-direction in array displacement sensor.
6. the method according to claim 1, wherein the step S1 further include:
To each node progress sequence in the first array displacement sensor and the second array formula displacement sensor
Number.
7. a kind of system of SAA monitoring ground fissure characterized by comprising
Sensor arrangement module, for be parallel to ground surface direction bury the first array displacement sensor, described first gust
Upper disk and lower wall of the column displacement sensor through ground fissure to be monitored；Second array formula is being buried perpendicular to ground surface direction
Displacement sensor, upper disk and lower wall of the second array formula displacement sensor through the ground fissure to be monitored；
Establishment of coordinate system module, for establishing three-dimensional system of coordinate, the X-axis of the three-dimensional system of coordinate is parallel to the ground cleave to be monitored
The extending direction of seam, extending direction of the Y-axis of the three-dimensional system of coordinate perpendicular to the ground fissure to be monitored, the three-dimensional coordinate
The Z axis of system is perpendicular to ground surface；
Ground fissure monitoring modular, for acquiring the first array displacement sensor and institute respectively with frequency once every hour
Displacement of each node in second array formula displacement sensor in the X-axis, Y-axis and Z-direction is stated, described default
Each node in the first array displacement sensor and the second array formula displacement sensor is counted in monitoring cycle
Average displacement amount in the X-axis, Y-axis and Z-direction obtains the first statistical result, true according to first statistical result
The cyclically-varying rule of the fixed ground fissure to be monitored.
8. system according to claim 7, which is characterized in that the ground fissure monitoring modular is also used to:
The first array displacement sensor and the second array formula displacement sensing are counted in the default monitoring cycle
Each node in device accumulating displacement in the X-axis, Y-axis and Z-direction, obtains the second statistical result；
Three-dimensional deformation of the ground fissure to be monitored in the default monitoring cycle is simulated according to second statistical result.
9. a kind of equipment of the method for SAA monitoring ground fissure characterized by comprising
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough methods executed as described in claim 1 to 6 is any.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 6 is any.
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