CN107014328A - A kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method - Google Patents
A kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method Download PDFInfo
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- CN107014328A CN107014328A CN201710380207.XA CN201710380207A CN107014328A CN 107014328 A CN107014328 A CN 107014328A CN 201710380207 A CN201710380207 A CN 201710380207A CN 107014328 A CN107014328 A CN 107014328A
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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
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- Testing Or Calibration Of Command Recording Devices (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method, it is related to Geological Hazards Monitoring field.Described device includes：Remote monitoring end and at least one tension test unit；Each tension test unit includes a spud pile and at least one tension web, and each tension web includes primary load bearing drag-line, n branch's drag-line and n premonitoring measuring point anchoring pile.Methods described：Surface drag-line force-measuring type geological disaster automatic monitoring device is set on landslide A to be monitored and the Basic monitoring value of each force cell on landslide A to be monitored on any one tension web A is obtained and record, by the change of each force cell in described device, judge landslide A to be monitored with the presence or absence of landslide.The method of the invention, slip mass potential energy trend can be directly monitored by drag-line dynamometry mode, and it is low to possess the cost that is easy to implement, and area monitoring point coverage density is high, the characteristics of landslide sign discovery is early.
Description
Technical field
The present invention relates to Geological Hazards Monitoring field, more particularly to a kind of surface drag-line force-measuring type geological disaster automation prison
Survey device and method.
Background technology
Settlement monitoring is the important monitoring feature in landslide one, and existing mountain landslide supervision method mainly has ground epitope
Move the monitoring methods, these sides such as monitoring (being high-precision satellite navigation positioning), slit gauge, deep displacement deviational survey, soil pressure cell
Method presently, there are the problems such as application limitation, cost are high, monitoring location density is not enough, be specially：
First, high-precision satellite navigation positioning measurement carries out difference RTK resolvings to receive the Big Dipper, gps satellite signal, with wireless
Electric range measurement principle, several millimeters of positioning precision is resolved with ten thousand kilometers of 2-3 distance；There is receiver cost height, communication in this method
Costly, resolving software algorithm difficulty is big and is unable to the shortcoming of penetration and promotion.Simultaneously as satellite-signal can not be blocked, therefore
Requirement to landslide morphology and vegetative coverage is high, and this method is not suitable for the luxuriant mountain area of vegetation.
2nd, slit gauge can only monitor landslide trailing edge tension fracture, and monitored area is limited, can only be used as a kind of supplement monitoring side
Method.
3rd, deep displacement deviational survey is that drilling deep hole installs deviational survey bar or inclinometer pipe in massif, and not only construction cost is high, and
The selection of monitoring point quantity and monitoring location can directly affect the monitoring effect degree of accuracy.
4th, soil pressure cell is to coordinate harnessing project to be arranged on measurement of the friction pile earth-retaining planar survey soil body to friction pile pressure
Detecting element, soil pressure cell needs to coordinate friction pile to use, it is impossible to used as emergency monitoring.
The content of the invention
It is an object of the invention to provide a kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method, from
And solve foregoing problems present in prior art.
To achieve these goals, surface drag-line force-measuring type geological disaster automatic monitoring device of the present invention, described
Device includes：Remote monitoring end and at least one tension test unit；Each tension test unit includes a spud pile
With at least one tension web, each tension web includes primary load bearing drag-line, n branch's drag-line and n premonitoring measuring point anchoring pile, institute
N is stated more than or equal to 1；The spud pile is arranged on the mountain top of massif to be measured, and one end of the primary load bearing drag-line is passed by main dynamometry
Sensor is connected with the spud pile, and the other end of the primary load bearing drag-line is connected by branch's drag-line and a premonitoring measuring point anchoring pile
Connect, multiple branch's force cells are set with the drag-line of the primary load bearing drag-line, each branch's force cell passes through branch
Drag-line is connected with a premonitoring measuring point anchoring pile；The main force cell, all branch's force cells with the long-range prison
Control end wireless communication connection.
Preferably, branch's drag-line is corresponded with premonitoring measuring point anchoring pile, and the drag-line body of any two branch drag-line does not intersect.
Preferably, between the primary load bearing drag-line and the main force cell, branch's drag-line and the premonitoring
Prefastening force spring is respectively provided between point anchoring pile.
Preferably, one end of the primary load bearing drag-line is connected by main force cell with the spud pile, and the master holds
The other end of power drag-line connects branch's drag-line of more than two, and every branch's drag-line connects a premonitoring measuring point anchoring pile.
Preferably, the premonitoring measuring point anchoring pile is set on landslide to be monitored.
Automatic monitoring side of the present invention based on the surface drag-line force-measuring type geological disaster automatic monitoring device
Method, methods described includes：
S1, obtains landslide A to be monitored, and set multiple premonitoring measuring point anchoring piles in the landslide A to be monitored；
Set and connected on spud pile, the spud pile by main force cell on the mountain top of massif where landslide A to be monitored
Primary load bearing drag-line is connect, each premonitoring measuring point anchoring pile is connected to institute by branch's force cell and its one-to-one branch's drag-line
State on primary load bearing drag-line；Between the primary load bearing drag-line and the main force cell set, branch's drag-line with it is described pre-
Prefastening force spring is provided between the anchoring pile of monitoring point；
It is tensioned after all prefastening force springs, completes the installation of tension web A on landslide A to be monitored, will current main force-measuring sensing
The measured value of device and each branch's force cell is as the Basic monitoring value of the tension web A, and remote monitoring end obtains and record
The Basic monitoring value of the tension web A；
S2, the remote monitoring end obtains the real-time measurement values of main force cell, and judges the reality of main force cell
When measured value and its Basic monitoring value whether there is difference, if it is, landslide A to be monitored has landslide possibility, and enter S3；Such as
Really no, then landslide A to be monitored does not come down possibility；
S3, the remote monitoring end obtains the real-time measurement values of each branch's force cell, in each branch's force cell
Real-time measurement values and each branch's force cell the contrast of Basic monitoring value on the basis of, obtain landslide A to be monitored landslide
Trend.
The principle of the present invention：Set at the top of target massif and spud pile is installed, the main sliding direction along landslide to be monitored is spread
If a primary load bearing drag-line, its top is connected with spud pile, and premonitoring is installed in the landslide soil to be monitored where premonitoring measuring point
Measuring point anchoring pile, premonitoring measuring point anchoring pile is connected by branch's drag-line with primary load bearing drag-line, and given certain by tension force extension spring
Pre-tightening tension.Force cell is fitted with primary load bearing drag-line and branch's drag-line, primary load bearing drag-line is measured in real time and is divided
The value of thrust that branch drag-line is subject to.According to the distribution situation of premonitoring measuring point, a plurality of branch's drag-line is set to be connected with primary load bearing drag-line, often
The stressing conditions of each monitoring point of bar branch drag-line independent measurement, primary load bearing drag-line measures total stress feelings of all branch's drag-lines
Condition.If the trend slid downwards occurs under the influence of potential energy for slip mass to be monitored, the tension force of respective branches drag-line can be caused to send out
Changing, changing into electric signal by force cell can be with teletransmission to remote monitoring end, and it is pre- that remote monitoring end carries out monitoring in real time
It is alert.Value of thrust is directly proportional to the stretcher strain of tension spring, while In Situ Displacement of Slope distance value can be conversed, while also reaching
The purpose of displacement monitoring.
The beneficial effects of the invention are as follows：
The method of the invention, can directly monitor slip mass potential energy trend by drag-line dynamometry mode, possess reality
Apply easy cost low, area monitoring point coverage density is high, the characteristics of landslide sign discovery is early.
Herein described device is can to carry out the field of landslide trend monitoring on potential landslide, avalanche massif for a long time
Real time on-line monitoring device.
Brief description of the drawings
Fig. 1 is the side elevational cross-section signal of the landslide massif of installation surface drag-line force-measuring type geological disaster automatic monitoring device
Figure；
Fig. 2 is the schematic elevation view of the landslide massif of installation surface drag-line force-measuring type geological disaster automatic monitoring device；
Fig. 3 is the enlarged diagram of installation surface drag-line force-measuring type geological disaster automatic monitoring device.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing, the present invention is entered
Row is further described.It should be appreciated that embodiment described herein is not used to only to explain the present invention
Limit the present invention.
The core of the present invention is：Herein described method has monitoring drape dot density big, and monitoring method directly, is led to
Cross mechanical meaurement and find landslide disaster evolving trend earlier, be subjected to displacement with existing ground displacement and slip mass after slip
Monitoring exist it is dramatically different, the application by measure slip mass glide direction strength change earlier monitoring slip mass motion become
Gesture.
Embodiment 1
Reference picture 1, surface drag-line force-measuring type geological disaster automatic monitoring device, described device bag described in the present embodiment
Include：Remote monitoring end and a tension test unit；
The tension test unit include a spud pile 3 and a tension web, the tension web include primary load bearing drag-line,
5 branch's drag-lines and 5 premonitoring measuring point anchoring piles 5；
The spud pile 3 is arranged on the mountain top of the landslide massif to be monitored, and one end of the primary load bearing drag-line 4-0 passes through
Main force cell is connected with the spud pile 3, the other end of the primary load bearing drag-line 4-0 by three branch's drag-lines (4-3,
4-4 and 4-5) premonitoring measuring point anchoring pile (5-3,5-4,5-5) connection corresponding with three, the drag-line body of the primary load bearing drag-line 4-0
On also set up Liang Ge branches force cell 6-1 and 6-2；The main force cell, all branch's force cells are and institute
State remote monitoring end wireless communication connection.
Explanation, which is explained in more detail, is：
(1) branch's drag-line is corresponded with premonitoring measuring point anchoring pile, and the drag-line body of any two branch drag-line does not intersect.
Branch force cell 6-1 is connected by branch drag-line 4-1 with premonitoring measuring point anchoring pile 5-1, branch's force cell
6-2 is connected by branch drag-line 4-2 with premonitoring measuring point anchoring pile 5-2, and branch force cell 6-3 is by branch drag-line 4-3 and in advance
Monitoring point anchoring pile 5-3 connections, branch force cell 6-4 is connected by branch drag-line 4-4 with premonitoring measuring point anchoring pile 5-4, branch
Force cell 6-5 is connected by branch drag-line 4-5 with premonitoring measuring point anchoring pile 5-5.
(2) setting, branch's drag-line and the premonitoring between the primary load bearing drag-line and the main force cell
Prefastening force spring is provided between point anchoring pile.Prefastening force spring 7-0, prefastening force spring 7-1, prefastening force spring 7- are designated as respectively
2nd, prefastening force spring 7-3, prefastening force spring 7-4 and prefastening force spring 7-5.
Main force cell 6-0 is connected by primary load bearing drag-line 4-0 with spud pile 3, and the main force cell 6-0 with
Prefastening force spring 7-0 is also set up between the primary load bearing drag-line 4-0.
(3) the premonitoring measuring point anchoring pile is set on landslide to be monitored.
Embodiment 2
Automation prison of the present embodiment based on surface drag-line force-measuring type geological disaster automatic monitoring device described in embodiment 1
Survey method, methods described includes：
S1, obtains landslide A to be monitored, and set multiple premonitoring measuring point anchoring piles in the landslide A to be monitored；
Set and connected on spud pile, the spud pile by main force cell on the mountain top of massif where landslide A to be monitored
Primary load bearing drag-line is connect, each premonitoring measuring point anchoring pile is connected to institute by branch's force cell and its one-to-one branch's drag-line
State on primary load bearing drag-line；Between the primary load bearing drag-line and the main force cell set, branch's drag-line with it is described pre-
Prefastening force spring is provided between the anchoring pile of monitoring point；
It is tensioned after all prefastening force springs, completes the installation of tension web A on landslide A to be monitored, will current main force-measuring sensing
The measured value of device and each branch's force cell is as the Basic monitoring value of the tension web A, and remote monitoring end obtains and record
The Basic monitoring value of the tension web A；
S2, the remote monitoring end obtains the real-time measurement values of main force cell, and judges the reality of main force cell
When measured value and its Basic monitoring value whether there is difference, if it is, landslide A to be monitored has landslide possibility, and enter S3；Such as
Really no, then landslide A to be monitored does not come down possibility；
S3, the remote monitoring end obtains the real-time measurement values of each branch's force cell, in each branch's force cell
Real-time measurement values and each branch's force cell the contrast of Basic monitoring value on the basis of, obtain landslide A to be monitored landslide
Trend.
In actual applications, if potential slip mass 2 is sent to the trend of lower raw sliding, the potential energy strength of sliding or displacement can lead to
Cross each premonitoring measuring point stake to be delivered on all drag-lines, cause the pretightning force of initial tension net to change, these variation tendency meetings
Strength changing value is converted into by electronic surveying by corresponding electric signal by each force cell and is transferred to long-range monitoring side,
For long-range monitoring side discriminatory analysis and early warning.Within the specific limits, the tension variations of prefastening force spring and the linear pass of its length
System, can also indirectly measure the distance value of slip mass direction of pull sliding.
The layout of tension web and the installation site of force cell it is relevant with the arrangement of live premonitoring measuring point stake, it is necessary to according to
Field condition rational deployment.Anticipated as shown in Fig. 3 details enlarged drawings, the primary load bearing drag-line 4-0 that is drawn from spud pile 3 with it is each
The stake of premonitoring measuring point is connected, and main force cell 6-0 is provided with the primary load bearing drag-line 4-0 contacted with spud pile 3, whole
The change of power net any point can all cause main force cell 6-0 measured value to change, each branch's drag-line and primary load bearing drag-line 4-0
In correct position connection, constitute and be separately installed with force cell, each any monitoring on suitable tension force net form, each branch's drag-line
The premonitoring measuring point stake in direction is subjected to displacement trend, the measured value of corresponding branch's force cell can be caused to change, synthesis is whole
The measured value change of individual each force cell of tension web can carry out the monitoring of effective landslide potential energy trend.
Primary load bearing drag-line 4-0 and each branch's drag-line provide pre- anxiety by corresponding pretightning force extension spring to whole tension web
Power, makes whole system participate in the potential energy system of slip mass, and each initial pretightning force measured value of force cell is used as system
And Basic monitoring value, the consecutive variations curve that the later stage occurs on Basic monitoring value is as observation curve.The general cloth of spud pile 3
Put at the top of massif, slip mass it is rear along stablizing on massif, according to monitoring landform need that many main drag-lines can be drawn from it.
, can be according to the space cloth of monitoring point by the long-term Continuous Observation of automatic monitoring method described in the present embodiment
Office, sets up data computational model, and the trend of landslide is analyzed with the combined factors such as live weather, temperature, humidity, rainfall,
Early warning decision is made, the purpose of monitoring is reached.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained：
The method of the invention, is not influenceed by landslide monitoring body terrain configuration and vegetation cover, can be because of ground system
Suitable arrangement Fast Installation, force cell and steel wire rope etc. be general easy purchase equipment, with monitoring method directly, Monitoring Data
The characteristics of energy consumption needed for changing convenient, monitoring device is low, field is powered conveniently, cost of layouting is low and monitored density can be increased,
Meanwhile, the method for the invention is adapted to field long term monitoring it can be found that landslide early stage sign, monitoring effect is good.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
1. a kind of surface drag-line force-measuring type geological disaster automatic monitoring device, it is characterised in that described device includes：Long-range prison
Control end and at least one tension test unit；
Each tension test unit includes a spud pile and at least one tension web, and each tension web includes master and held
Power drag-line, n branch's drag-line and n premonitoring measuring point anchoring pile, the n are more than or equal to 1；
The spud pile is arranged on the mountain top of massif to be measured, one end of the primary load bearing drag-line by main force cell with it is described
Spud pile is connected, and the other end of the primary load bearing drag-line is connected by branch's drag-line with a premonitoring measuring point anchoring pile, and the master holds
Multiple branch's force cells are set with the drag-line of power drag-line, and each branch's force cell is pre- by branch's drag-line and one
Monitoring point anchoring pile connection；
The main force cell, all branch's force cells with the remote monitoring end wireless communication connection.
2. surface drag-line force-measuring type geological disaster automatic monitoring device according to claim 1, it is characterised in that branch draws
Rope is corresponded with premonitoring measuring point anchoring pile, and the drag-line body of any two branch drag-line does not intersect.
3. surface drag-line force-measuring type geological disaster automatic monitoring device according to claim 1, it is characterised in that the master
It is provided between load drag-line and the main force cell between setting, branch's drag-line and the premonitoring measuring point anchoring pile
Prefastening force spring.
4. surface drag-line force-measuring type geological disaster automatic monitoring device according to claim 1, it is characterised in that the master
One end of load drag-line is connected by main force cell with the spud pile, and the other end of the primary load bearing drag-line connects two
Branch's drag-line above, every branch's drag-line connects a premonitoring measuring point anchoring pile.
5. surface drag-line force-measuring type geological disaster automatic monitoring device according to claim 1, it is characterised in that described pre-
Monitoring point anchoring pile is set on landslide to be monitored.
6. one kind is based on the surface drag-line force-measuring type geological disaster automatic monitoring device as described in claim 1 to 5 any one
Automatic monitoring method, it is characterised in that methods described includes：
S1, obtains landslide A to be monitored, and set multiple premonitoring measuring point anchoring piles in the landslide A to be monitored；
Set to connect by main force cell on spud pile, the spud pile on the mountain top of massif where landslide A to be monitored and lead
Load drag-line, each premonitoring measuring point anchoring pile is connected to the master by branch's force cell and its one-to-one branch's drag-line
On load drag-line；Setting, branch's drag-line and the premonitoring between the primary load bearing drag-line and the main force cell
Prefastening force spring is provided between point anchoring pile；
Be tensioned after all prefastening force springs, complete the upper tension web A of landslide A to be monitored installation, will currently main force cell and
The measured value of each branch's force cell is as the Basic monitoring value of the tension web A, and remote monitoring end obtains and record described
Tension web A Basic monitoring value；
S2, the remote monitoring end obtains the real-time measurement values of main force cell, and judges the real-time survey of main force cell
Value whether there is difference with its Basic monitoring value, if it is, landslide A to be monitored has landslide possible, and enter S3；If
No, then landslide A to be monitored does not come down possibility；
S3, the remote monitoring end obtains the real-time measurement values of each branch's force cell, in the reality of each branch's force cell
When measured value and each branch's force cell the contrast of Basic monitoring value on the basis of, obtain landslide A to be monitored landslide trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380207.XA CN107014328B (en) | 2017-05-25 | 2017-05-25 | Surface inhaul cable force measuring type geological disaster automatic monitoring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380207.XA CN107014328B (en) | 2017-05-25 | 2017-05-25 | Surface inhaul cable force measuring type geological disaster automatic monitoring device and method |
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| CN107014328A true CN107014328A (en) | 2017-08-04 |
| CN107014328B CN107014328B (en) | 2023-09-26 |
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| CN201710380207.XA Active CN107014328B (en) | 2017-05-25 | 2017-05-25 | Surface inhaul cable force measuring type geological disaster automatic monitoring device and method |
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| CN108387197A (en) * | 2018-05-21 | 2018-08-10 | 北京久感科技有限公司 | A kind of anchoring for ground displacement |
| CN113309110A (en) * | 2021-06-07 | 2021-08-27 | 重庆海发工程项目管理咨询有限公司 | Automatic monitoring system and method for foundation pit displacement |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107014328B (en) | 2023-09-26 |
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