CN109115145B - A kind of embedded landslide depth large deformation monitoring device and method - Google Patents
A kind of embedded landslide depth large deformation monitoring device and method Download PDFInfo
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- CN109115145B CN109115145B CN201810517713.3A CN201810517713A CN109115145B CN 109115145 B CN109115145 B CN 109115145B CN 201810517713 A CN201810517713 A CN 201810517713A CN 109115145 B CN109115145 B CN 109115145B
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- sliding surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
The present invention relates to a kind of embedded landslide depth large deformation monitoring device and methods, by boring monitoring holes on landslide until below basement rock, sliding surface displacement meter is fixedly installed with by concrete in basement rock, inclinometer pipe is placed in monitoring holes and bottom is not fixed with basement rock, place several stationary slope levels vertically in inclinometer pipe simultaneously, inclinometer pipe, which stretches out at the earth's surface of landslide, is equipped with monitoring pier, it monitors and is equipped with GPS positioning module in pier, communication controler and power supply module are fixedly installed on monitoring pier, communication controler connects sliding surface displacement meter and stationary slope level by communication/power cable with power supply module, landslide position Value Data at the position of slip surface that sliding surface displacement meter measures, and the spatial position of the Landslide Deformation Value Data and inclinometer pipe top at the landslide earth's surface to sliding position measured with several stationary slope levels is together It is transmitted in communication controler by communication/power cable, completes the monitoring deformed to landslide depth, precision is higher and monitoring is timely.
Description
Technical field
The present invention relates to Geological Hazards Monitorings and prevention and control field, and in particular to a kind of embedded landslide depth large deformation monitoring
Device and method.
Background technique
China is geological disaster big country, every year by come down, the geological disasters such as ground fissure are influenced the economic loss number generated
It is huge.The deformation failure evolutionary process on landslide is usually subjected to initial deformation, constant speed deformation and accelerates deformation three phases, is integrally in
Reveal certain Distortion Disciplinarian, the when m- calculation on displacement on landslide is this kind of Prediction and Forecast of Landslide, risk assessment, work
One important support foundation of journey prevention and treatment.
Existing Slip moinitoring method is then less for the monitoring method of landslide underground deformation compared with horn of plenty.Embedment
Formula laying optical fiber, the emerging material technology reliability of coaxial cable (TDR) innovation are low, are easily cut.Battering methods precision is high, can
The Slip moinitoring method being widely accepted in existing measurement means by spending, but its there are inclinometer pipe-soil Coupling Deformations to ask
Topic, and landslide big displacement deformation monitoring is not adapted to.For landslide displacement monitoring, the sliding surface of existing method such as vertical drilling is frustrated
Scissors-type guy type displacement meter, advantage is many, but is limited to set-up mode and hypothesized model and keeps its susceptibility not high.In addition, three
Gorge university proposes several monitorings that underground displacement is realized in the way of magnetic orientation, lacks to the underground space after Landslide Deformation to magnetic
The considerations of detector power supply environment changes, has certain limitation.
Studies have shown that deformation behaviour of the tracking and monitoring landslide before destruction in creep process is conducive to illustrate and determine to slide
Slope is displaced the development trend of different phase, forecasting procedure that is abundant and verifying existing landslide.However the existing monitoring means side of being limited to
The design limitation of method or instrument itself cannot achieve the large deformation on landslide, long lasting for deformation monitoring.Therefore, needle of the present invention
Big displacement feature is deformed to landslide depth, a kind of embedded landslide depth large deformation monitoring method and relevant apparatus are proposed, to cunning
Slope mid-and-long term forecasting, creep phase latter stage Slip moinitoring are of great significance.
Summary of the invention
In view of this, a kind of embedded landslide depth large deformation monitoring device and method of disclosure of the invention, it can be achieved that
Landslide depth large deformation monitoring and not by landslide large deformation limitation influenced.
First aspect:
It is of the invention that a kind of embedded landslide depth large deformation monitoring device is provided, including monitoring terminal, sliding surface displacement meter,
Inclinometer pipe and several stationary slope levels, several stationary slope level series connection are fixed in the inclinometer pipe, the deviational survey
It is not fixed in bottom of the tube insertion landslide and with basement rock, top is equipped with monitoring pier, the monitoring pier top after passing through landslide earth's surface
Portion, which seals and fixes, is embedded with adjustable forced centering base, and it is fixed that GPS used for positioning is equipped in the adjustable forced centering base
Position module, the sliding surface displacement meter pass through communication/power cable with the stationary slope level and connect the monitor terminal, institute
Stating monitor terminal includes communication controler and power supply module, and the inclinometer pipe keeps vertical, the cunning when being located at original state
Face displacement meter is fixed in the basement rock immediately below the inclinometer pipe by concrete, and sliding surface displacement meter top and the survey
Inclined tube bottom is connected and fixed, and when landslide is subjected to displacement, the inclinometer pipe bends and moves, by each described fixed
Inclinometer measures landslide earth's surface with the bending of the inclinometer pipe to the Landslide Deformation value of sliding position, passes through the sliding surface position
It moves meter and measures the distance value of landslide displacement as the movement of the deviational survey bottom of the tube is stretched, while passing through the GPS positioning
Module measures the spatial position on the inclinometer pipe top, and analysis obtains the monitoring result of Landslide Deformation in conjunction with three's data,
And monitoring result is transmitted in the communication controler by the communication/power cable and is stored, it completes to become landslide depth
The monitoring of shape.
Further, wireless communication module is equipped in the communication controler, the communication controler can pass through the nothing
Monitoring of structures is sent to data terminal and carries out storage and management by line communication module.
Further, the sliding surface displacement meter, including seat ontology, the seat body interior is hollow design, and passes through two
Inner space is successively separated into first chamber, second chamber and third chamber by a partition from top to bottom, in the first chamber
The first drawstring encoder is placed, main control board is placed in the second chamber, the second drawstring is placed in the third chamber and compiles
Code device, the main control board is separately connected the first drawstring encoder by module connecting line and second drawstring encodes
Device, the first drawstring encoder and the second drawstring encoder by steel wire one snap-gauge of removable connection, the snap-gauge with
The deviational survey bottom of the tube is fixedly mounted, and is equipped with fulcrum between the snap-gauge bottom and the seat ontology, when landslide is subjected to displacement
When, the snap-gauge cooperateed with the inclinometer pipe it is mobile drive the branch axle fracture, and then pull the first drawstring encoder and
The second drawstring encoder extends certain length, and the main control board collects described by the module connecting line
One drawstring encoder and the second drawstring encoder data measured when pulled and transmission.
Further, the main control board connects the communication controler and described by the communication/power cable
Power supply module, for carrying out transmission data and power supply.
Further, the communication/power cable passes through described monitoring pier sidewall opening one end and connects the sliding surface position
Meter and several stationary slope levels are moved, the other end connects the communication controler and the power supply module, the communication control
Device processed and the power supply module are fixedly mounted on the monitoring pier.
Further, the communication/power cable outer surface is coated with lubricating oil, for reducing in the monitoring pier side
Wall opening and the intracorporal frictional force of landslide soil.
Further, the spacing of stationary slope level described in arbitrary neighborhood two is all the same.
Further, the mobile calculation method of the inclinometer pipe are as follows:
The inclinometer pipe is from initial position A with Landslide Deformation to deformation position B, it can be deduced that one of them fixed deviational survey
Lateral displacement at instrument are as follows:
Wherein: d0For the offset summation at n stationary slope level between inclinometer pipe axis and plumb line；L is to fix
Formula inclinometer spacing,；θiFor the angle of ith measurement section inclinometer pipe and plumb line；
The inclinometer pipe is whole the distance between from initial position A to deformation position B are as follows:
Wherein: Δ l is the deviational survey bottom of the tube from the distance initial position A to deformation position B.
Second aspect:
A kind of embedded landslide depth large deformation monitoring method, includes the following steps,
Step 1: reconnoitring landslide to be monitored, and determines main sliding surface；
Step 2: boring downwards monitoring holes to basement rock or less position from main sliding surface earth's surface, according in landslide and basement rock
The depth of monitoring holes determines the length of inclinometer pipe and the height of sliding surface displacement meter；
Step 3: in axial direction connecting fixed several stationary slope levels in deviational survey inside pipe wall, and by above-mentioned inclinometer pipe
It is inserted into monitoring holes, deviational survey bottom of the tube is not fixed with basement rock, the backfill landslide analog material in the monitoring holes around inclinometer pipe,
Sliding surface displacement meter is buried in basement rock, grouting is allowed in conjunction with basement rock, is fixed and is pacified with deviational survey bottom of the tube at the top of the sliding surface displacement meter
Dress；
Step 4: passing through in top of inclinometer pipe and build monitoring pier at the earth's surface of landslide, buries at the top of monitoring pier adjustable strong
Centering pedestal processed, installs power supply module and communication controler on monitoring pier, power supply module and communication controler by communication/
Power cable passes through monitoring pier side wall and is connected and fixed formula tester and sliding surface displacement meter；
Step 5: when landslide is mobile, inclinometer pipe is moved and is occured bending and deformation, and deviational survey bottom of the tube is mobile to pull sliding surface
Displacement meter movement measures the landslide displacement value at monitoring position of slip surface；Inclinometer pipe bending deformation drives stationary slope level
Certain angle is deformed and deflected, the Landslide Deformation value at the earth's surface to sliding position of landslide is measured；Pass through deviational survey after measurement deformation
Tube top portion cooperates the position monitoring of the GPS of adjustable forced centering base at a distance from adjustable forced centering base, obtains inclinometer pipe
The spatial positional information on top combines three's deformation values by analysis, obtains the monitoring result of landslide depth deformation；
Step 6: communication controler receives and stores monitoring result in step S4 by communication/power cable, and by nothing
Monitoring result is sent to data terminal and carries out storage and management by line communication module.
Further, the spacing of stationary slope level described in arbitrary neighborhood two is all the same.
Technical solution provided by the invention has the benefit that
(1) landslide depth displacement data are obtained using the combination of sliding surface displacement meter and stationary slope level, inclinometer pipe is not required to
Be embedded to basement rock, avoid pipe-soil coupling bring compatibility of deformation problem, precision relative to traditional deviational survey measurement method more
It is high.
(2) increased sliding surface displacement meter is at low cost, and measures precisely, and good economy performance and high reliablity help to promote.
(3) of the invention is the no worker monitor device remotely measured, high degree of automation.
Detailed description of the invention
Fig. 1 is the overall structure diagrammatic cross-section of the embodiment of the present invention；
Fig. 2 is sliding surface displacement monitoring schematic illustration；
Fig. 3 is sliding surface displacement meter structural schematic diagram；
Fig. 4 is total system monitoring principle schematic diagram；
Fig. 5 is a kind of flow diagram of embedded landslide depth large deformation monitoring method of embodiment.
In figure:
1, adjustable forced centering base 2, communication controler 3, power supply module 4, monitoring pier 5, inclinometer pipe 6, logical
Letter/power cable 7, stationary slope level 8, sliding surface displacement meter 81, seat ontology 82, main control board 83, the first drawstring are compiled
Code device 84, the second drawstring encoder 85, module connecting line 86, steel wire 87, fulcrum 88, snap-gauge 89, partition 9, basement rock
10, concrete 11, initial position A 12, deformation position B.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, embodiment of the invention discloses a kind of embedded landslide depth large deformation monitorings to fill
It sets, including monitoring pier 4, inclinometer pipe 5, sliding surface displacement meter 8 and several stationary slope levels 7, on the main sliding surface on landslide
Monitoring holes are bored, the inclinometer pipe 5 is inserted into monitoring holes, i.e., is inserted into landslide bottom from landslide top, and do not need embedment basement rock 9
It is interior, by backfill landslide analog material to being embedded in the monitoring holes on landslide around the inclinometer pipe 5, and its bottom with
Basement rock 9 is not fixed, and avoids pipe-soil coupling bring compatibility of deformation problem, the relatively traditional deviational survey measurement method precision of precision
It is higher, and when landslide is located at original state, inclinometer pipe is kept in vertically insertion landslide, described when landslide is moved
Inclinometer pipe 5 can be bent and move corresponding distance, guarantee will not curved transitions fracture and influence measurement result.The inclinometer pipe
Several stationary slope levels 7 are fixed in 5 vertically, adjacent two stationary slope level 7 joins end to end, to make several institutes
It states the series connection of stationary slope level 7 to be fixed in the inclinometer pipe 5, once movement and deformation occurs in landslide, the inclinometer pipe 5 in landslide is just
It will appear mobile and bending, the stationary slope level 7 also will appear the inclination of certain angle, to pass through the fixed survey
Inclination sensor inside oblique instrument 7 measures the tilt angle of measured structure object, and then measurement and calculates the inclinometer pipe 5
The distance of physical location after from home position to deformation, i.e., the Landslide Deformation value from from earth's surface to sliding position.
It is passed through at the top of the inclinometer pipe 5 and is equipped with the monitoring pier 4 at the landslide earth's surface, 4 top of monitoring pier
It seals and fixes and be embedded with adjustable forced centering base 1, the adjustable forced centering base 1 is located at 5 top of inclinometer pipe
Vertical direction, the adjustable forced centering base 1 between 5 top port of inclinometer pipe at a distance from can build when be surveyed
It is fixed.It is equipped with GPS positioning module in the adjustable forced centering base 1, can be used for measuring the spatial position on 5 top of inclinometer pipe
And it is positioned, 4 inner hollow of monitoring pier, and side is equipped with opening, be interspersed in the opening communication/
Power cable 6,6 outer surface of communication/power cable are coated with lubricating oil, guarantee the communication/power cable 6 in institute in this way
State the interior movement of opening more smoothly, while the communication/power cable 6 can also be reduced between the soil body in the movement in the soil body
Frictional force, guarantee will not be pulled off.Described 6 one end of communication/power cable is connected with the monitor terminal, the monitor terminal
Including communication controler 2 and power supply module 3, the communication controler 2 can be stored and be transmitted to the data monitored, described
Power supply module 3 can be powered for the communication controler 2, stationary slope level 7 and sliding surface displacement meter 8, while the communication
The data monitored can be also sent to data terminal, the communication controler 2 and electricity by a wireless communication module by controller 2
Source component 3, which is respectively mounted, to be fixed on the monitoring pier 4, and 6 other end of communication/power cable connects the sliding surface displacement meter
8 and several stationary slope levels 7, the communication/power cable 6 be both the power supply and signal of the sliding surface displacement meter 8
Transmission line, and be the draught line that the stationary slope level 7 and the sliding surface displacement meter 8 are launched, in actual installation and operation,
By launch the communication/power cable 6 respectively by the stationary slope level 7 together with inclinometer pipe 5 put in the landslide into
Row filler is fixedly mounted, and the sliding surface displacement meter 8 is transported in basement rock 9 simultaneously, solid for the installation to sliding surface displacement meter 8
It is fixed.
The sliding surface displacement meter 8 is fixed in basement rock 9 by placing concrete 10 or other fixation materials, the sliding surface position
Moving meter 8 includes seat ontology 81, is hollow design inside the seat ontology 81, and by two partitions 89 by inner space from up to
Under be successively separated into first chamber, second chamber and third chamber, the first drawstring encoder 83, institute are placed in the first chamber
It states and places main control board 82 in second chamber, place the second drawstring encoder 84, first drawstring in the third chamber
The maximum range of encoder 83 and the second drawstring encoder 84 is 15m, and the main control board 82 is single-chip microcontroller, the master
Control circuit board 82 carries out transmission data and power supply, when landslide is subjected to displacement, described first by the communication/power cable 6
Drawstring encoder 83 and the second drawstring encoder 84 are pulled certain length, and the main control board 82 collects transmission
The data measured of the first drawstring encoder 83 and the second drawstring encoder 84 when pulled, and may respectively be described
First drawstring encoder 83 and the second drawstring encoder 84 are allocated power supply；
The main control board 82 is separately connected the first drawstring encoder 83 and described the by module connecting line 85
Two drawstring encoders 84, the first drawstring encoder 83 and the second drawstring encoder 84 are each passed through institute by steel wire 86
It states and connects a snap-gauge 88 at the top of an ontology 81, the snap-gauge 88 is metal material, and intensity is big and is unlikely to deform, and diameter is slightly less than institute
The internal diameter of inclinometer pipe 5 is stated, the snap-gauge 88 is fixedly mounted with 5 bottom of inclinometer pipe, and 88 bottom of the snap-gauge and the seat
Fulcrum 87 is installed, PVC plastic can be selected in the fulcrum 87, and should ensure that when by certain lateral forces can be between ontology 81
Fracture, in this way when landslide occurs mobile, the mobile fracture for causing fulcrum 87 of inclinometer pipe 5, snap-gauge 88 is fixed on the inclinometer pipe 5
Interior collaboration movement, so that steel wire 86 be driven to pull the first drawstring encoder 83 and the second drawstring encoder 84, and is finally surveyed
The mobile distance of inclinometer pipe 5 out, obtains the direction of landslide displacement and the distance value of displacement.
For example, referring to FIG. 4, the inclinometer pipe 5 is vertically placed at the initial position A11 on landslide, successively when original state
Concatenated several stationary slope levels 7 are in the vertically-mounted fixation of 5 axial direction of inclinometer pipe, the sliding surface displacement meter 8
Immediately below the inclinometer pipe 5 and fulcrum 87 is in good working condition.
When being in deformation state after landslide is mobile, the inclinometer pipe 5 is moved to change as the movement on landslide deforms
At shaped position B12, the inclinometer pipe 5 deformation occurs bending, several stationary slope levels 7 shift and measure initial bit
The Landslide Deformation value at A11 to deformation position B12 is set, and 5 bottom of the inclinometer pipe shifts and fulcrum 87 is caused to be broken, in turn
The collaboration movement of snap-gauge 88 being fixed in the inclinometer pipe 5, so that steel wire 86 be driven to pull 83 He of the first drawstring encoder
Second drawstring encoder 84 measures the mobile distance of inclinometer pipe 5, calculation method are as follows:
The inclinometer pipe 5 is from initial position A11 with Landslide Deformation to deformation position B12, it can be deduced that the underground side Dian Chu
To displacement are as follows:
Wherein: d0For the offset at n-th of stationary slope level between inclinometer pipe axis and plumb line；L is fixed
Inclinometer spacing, generally 0.5m；θiFor the angle of ith measurement section inclinometer pipe and plumb line.
5 bottom of inclinometer pipe is set from the distance initial position A11 to deformation position B12 as Δ l, then the deviational survey
Pipe 5 is whole the distance between from initial position A11 to deformation position B12 are as follows:
Due to can directly be measured at the top of inclinometer pipe 5 to adjustable 1 distance of forced centering base, adjustable forced centering base 1
Spatial positional information can be monitored by GPS positioning module.It can be reversed integral by above-mentioned formula and obtain the change of landslide underground
Shape situation, the problem of deforming at position of slip surface can not be obtained by avoiding large deformation landslide because deep inclinometer pipe 5 is by cutting.
The main control board 82 receives the first drawstring encoder 83 and the second drawstring encoder 84 measures
Landslide position Value Data at position of slip surface, and the landslide earth's surface measured with several stationary slope levels 7 is to sliding position
The spatial position on 5 top of Landslide Deformation Value Data and inclinometer pipe at place passes through communication/power cable 6 together and is transmitted to communication control
In device 2, the monitoring deformed to landslide depth is completed, the data of monitoring are finally wirelessly transmitted to data end by communication controler 2
End.
Referring to FIG. 5, a kind of embedded landslide depth large deformation monitoring method, comprising the following steps:
Step S1: reconnoitring landslide to be monitored, and determines main sliding surface；
Step S2: boring downwards monitoring holes to basement rock or less position from main sliding surface earth's surface, according in landslide and basement rock
The depth of monitoring holes determines the length of inclinometer pipe and the height of sliding surface displacement meter；
Step S3: in axial direction connecting fixed several stationary slope levels in deviational survey inside pipe wall, and by above-mentioned inclinometer pipe
It is inserted into monitoring holes, deviational survey bottom of the tube is not fixed with basement rock, the backfill landslide analog material in the monitoring holes around inclinometer pipe,
Sliding surface displacement meter is buried in basement rock, grouting is allowed in conjunction with basement rock, is fixed and is pacified with deviational survey bottom of the tube at the top of the sliding surface displacement meter
Dress；
Step S4: passing through in top of inclinometer pipe and build monitoring pier at the earth's surface of landslide, buries at the top of monitoring pier adjustable strong
Centering pedestal processed, installs power supply module and communication controler on monitoring pier, power supply module and communication controler by communication/
Power cable passes through monitoring pier side wall and is connected and fixed formula tester and sliding surface displacement meter；
Step S5: when landslide is mobile, inclinometer pipe is moved and is occured bending and deformation, and deviational survey bottom of the tube is mobile to pull sliding surface
Displacement meter movement measures the landslide displacement value at monitoring position of slip surface；Inclinometer pipe bending deformation drives stationary slope level
Certain angle is deformed and deflected, the Landslide Deformation value at the earth's surface to sliding position of landslide is measured；Pass through deviational survey after measurement deformation
Tube top portion cooperates the position monitoring of the GPS of adjustable forced centering base at a distance from adjustable forced centering base, obtains inclinometer pipe
The spatial positional information on top combines three's deformation values by analysis, obtains the monitoring result of landslide depth deformation；
Step S6: communication controler receives and stores monitoring result in step S4 by communication/power cable, and by nothing
Monitoring result is sent to data terminal and carries out storage and management by line communication module.
It may be implemented remotely to monitor by communication controler 2, the degree of automation is higher, and inclinometer pipe 5 does not have to be embedded in base
Rock 9 avoids pipe-soil coupling bring compatibility of deformation problem, the sliding surface displacement meter 8 and stationary slope level 7 of matching embedded type
Landslide depth displacement data are obtained, precision is higher relative to traditional deviational survey mode.
It is described in the present invention that specific embodiments are merely illustrative of the spirit of the present invention.Technology belonging to the present invention
The technical staff in field can make various modifications or additions to the described embodiments or by a similar method
Substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.The above institute
Only presently preferred embodiments of the present invention is stated, is not intended to limit the invention, it is all within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of embedded landslide depth large deformation monitoring device, it is characterised in that: including monitoring terminal, sliding surface displacement meter, survey
Inclined tube and several stationary slope levels, several stationary slope level series connection are fixed in the inclinometer pipe, the inclinometer pipe
Bottom insertion landslide is interior and is not fixed with basement rock, and top is equipped with monitoring pier, the monitoring pier top after passing through landslide earth's surface
It seals and fixes and be embedded with adjustable forced centering base, GPS positioning used for positioning is equipped in the adjustable forced centering base
Module, the sliding surface displacement meter and the stationary slope level pass through communication/power cable and connect the monitoring terminal, described
Monitoring terminal includes communication controler and power supply module, and the inclinometer pipe keeps vertical, the sliding surface when being located at original state
Displacement meter is fixed in the basement rock immediately below the inclinometer pipe by concrete, and sliding surface displacement meter top and the deviational survey
Bottom of the tube is connected and fixed, and when landslide is subjected to displacement, the inclinometer pipe bends and moves, and passes through each fixed survey
Oblique instrument measures landslide earth's surface with the bending of the inclinometer pipe to the Landslide Deformation value of sliding position, is displaced by the sliding surface
Meter measures the distance value of landslide displacement as the movement of the deviational survey bottom of the tube is stretched, while passing through the GPS positioning mould
Block measures the spatial position on the inclinometer pipe top, and analysis obtains the monitoring result of Landslide Deformation in conjunction with three's data, and
Monitoring result is transmitted in the communication controler by the communication/power cable and is stored, completes to deform landslide depth
Monitoring.
2. embedded landslide depth large deformation monitoring device as described in claim 1, it is characterised in that: in the communication controler
Equipped with wireless communication module, monitoring of structures can be sent to data terminal by the wireless communication module by the communication controler
Carry out storage and management.
3. embedded landslide depth large deformation monitoring device as described in claim 1, it is characterised in that: the sliding surface displacement meter,
Including seat ontology, the seat body interior is hollow design, and is successively separated inner space from top to bottom by two partitions
At first chamber, second chamber and third chamber, the first drawstring encoder is placed in the first chamber, in the second chamber
Main control board is placed, the second drawstring encoder is placed in the third chamber, the main control board passes through module connecting line
It is separately connected the first drawstring encoder and the second drawstring encoder, the first drawstring encoder and described second are drawn
Encoder restrict by steel wire one snap-gauge of removable connection, the snap-gauge and the deviational survey bottom of the tube are fixedly mounted, and the snap-gauge
Fulcrum is installed between bottom and the seat ontology, when landslide is subjected to displacement, the snap-gauge cooperates with mobile band with the inclinometer pipe
The branch axle fracture is moved, and then the first drawstring encoder and the second drawstring encoder is pulled to extend certain length,
The main control board collects the first drawstring encoder and the second drawstring encoder by the module connecting line
The data measured and transmission when pulled.
4. embedded landslide depth large deformation monitoring device as claimed in claim 3, it is characterised in that: the main control board is logical
It crosses the communication/power cable and connects the communication controler and the power supply module, the communication controler is for being passed
Transmission of data, the power supply module are used to power for the main control board.
5. embedded landslide depth large deformation monitoring device as described in claim 1, it is characterised in that: the communication/supply lines
Cable passes through described monitoring pier sidewall opening one end and connects the sliding surface displacement meter and several stationary slope levels, the other end
The communication controler and the power supply module are connected, the communication controler and the power supply module are fixedly mounted on the prison
It surveys on pier.
6. embedded landslide depth large deformation monitoring device as claimed in claim 5, it is characterised in that: the communication/supply lines
Cable outer surface is coated with lubricating oil, for reducing in the monitoring pier sidewall opening and the intracorporal frictional force of landslide soil.
7. embedded landslide depth large deformation monitoring device as described in claim 1, it is characterised in that: solid described in arbitrary neighborhood two
The spacing of fixed pattern inclinometer is all the same.
8. embedded landslide depth large deformation monitoring device as described in claim 1, which is characterized in that the inclinometer pipe movement
Calculation method are as follows:
The inclinometer pipe is from initial position A with Landslide Deformation to deformation position B, it can be deduced that at one of stationary slope level
Lateral displacement are as follows:
Wherein: d0For the offset summation at n stationary slope level between inclinometer pipe axis and plumb line；L is fixed deviational survey
Instrument spacing-；θiFor the angle of ith measurement section inclinometer pipe and plumb line；
The inclinometer pipe is whole the distance between from initial position A to deformation position B are as follows:
Wherein: Δ l is the deviational survey bottom of the tube from the distance initial position A to deformation position B.
9. a kind of embedded landslide depth large deformation monitoring method, includes the following steps,
Step 1: reconnoitring landslide to be monitored, and determines main sliding surface；
Step 2: boring downwards monitoring holes to basement rock or less position from main sliding surface earth's surface, according to landslide and basement rock in monitor
The depth in hole determines the length of inclinometer pipe and the height of sliding surface displacement meter；
Step 3: it in axial direction connects in deviational survey inside pipe wall and fixes several stationary slope levels, and above-mentioned inclinometer pipe is inserted into
In monitoring holes, deviational survey bottom of the tube is not fixed with basement rock, the backfill landslide analog material in the monitoring holes around inclinometer pipe, in basement rock
In bury sliding surface displacement meter, grouting is allowed to basement rock ining conjunction with, at the top of the sliding surface displacement meter with the fixed installation of deviational survey bottom of the tube；
Step 4: it is passed through in top of inclinometer pipe and builds monitoring pier at the earth's surface that comes down, adjustable pressure pair is buried at the top of monitoring pier
Middle pedestal, installs power supply module and communication controler on monitoring pier, and power supply module and communication controler pass through communication/power supply
Cable passes through monitoring pier side wall and is connected and fixed formula tester and sliding surface displacement meter；
Step 5: when landslide is mobile, inclinometer pipe is moved and is occured bending and deformation, and deviational survey bottom of the tube is mobile to pull sliding surface displacement
Meter movement measures the landslide displacement value at monitoring position of slip surface；Inclinometer pipe bending deformation drives stationary slope level to deform
And certain angle is deflected, measure the Landslide Deformation value at the earth's surface to sliding position of landslide；Pass through deviational survey tube top after measurement deformation
Portion cooperates the position monitoring of the GPS of adjustable forced centering base at a distance from adjustable forced centering base, obtains inclinometer pipe top
Spatial positional information, by analysis combine three's deformation values, obtain landslide depth deformation monitoring result；
Step 6: communication controler receives and stores monitoring result in step 5 by communication/power cable, and by channel radio
Monitoring result is sent to data terminal and carries out storage and management by news module.
10. embedded landslide depth large deformation monitoring method as claimed in claim 9, it is characterised in that: two institute of arbitrary neighborhood
The spacing for stating stationary slope level is all the same.
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