CN108801349A - A kind of underwater geomembrane monitoring method using rectangular monitor disk - Google Patents
A kind of underwater geomembrane monitoring method using rectangular monitor disk Download PDFInfo
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- CN108801349A CN108801349A CN201810631719.3A CN201810631719A CN108801349A CN 108801349 A CN108801349 A CN 108801349A CN 201810631719 A CN201810631719 A CN 201810631719A CN 108801349 A CN108801349 A CN 108801349A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a kind of underwater geomembrane monitoring methods using rectangular monitor disk, including step 1:The monitoring node array of at least three row monitoring nodes is set in library basin or canal bottom water domain, stage casing monitoring node positioned at first trip or inside not row uses rectangular monitor disk, each rectangular monitor disk includes the stress strain gauge being equipped with, rope, step 2 are connected between monitoring node in each row:The ess-strain monitoring device of monitoring node in each row is electrically connected by the controlling bus of one's own profession with the control cabinet being arranged on embankment;Step 3:Each signal is uploaded to cloud server, until the position coordinates for sending out signal or the big monitoring node of signal peak at first are primarily determined the coordinate for geomembrane deformation or damage location by central server.The present invention while meeting Signals collecting function, reduces cost for the specific location of monitoring node in an array using modularized design, is conducive to be embodied and promote.
Description
Technical field
It is specifically a kind of using rectangular the present invention relates to the technical field of the geomembrane anti-seepages engineering such as water conservancy, building, municipal administration
The underwater geomembrane monitoring method of monitor disk.
Background technology
Geomembrane anti-seepage is a kind of technology of comparative maturity, is used for the vertical plastic spreading seepage control project at bottom storehouse or canal bottom in early days,
In recent years in hydraulic engineerings such as Wall in Plain Reservoir using wide;In the engineerings such as Wall in Plain Reservoir, rock, rivers and canals, cofferdam,
It is a kind of relatively effective technology using geomembrane anti-seepage.Geotechnique is widely applied in Wall in Plain Reservoir, project of South-to-North water diversion in China
The flat seepage control technique of film water, illustrates the validity of geomembrane anti-seepage technology.
It is seldom using the example of the full library basin horizontal leakage preventing of geomembrane in the mountain reservoir of karst region, and also have unsuccessful
Case:Such as Zaozhuang, Shandong pomegranate landscape area dyke seepage control project, precisely due to drainage exhaust is improper, and without monitoring measure, cause
Geomembrane bulge fracture.The continents Wang Pu reservoir also uses geomembrane anti-seepage technology, and reservoir uses the basin antiseepage of geomembrane library, due to lacking
Weary effective monitoring technology, no practical significance.
In the basin seepage control project of library, the integrality of geomembrane is mainly influenced by following two situations:When basic under film,
Ground, which is subside, causes geotechnological membrane part hanging, and the tension, shearing strength after membrane body extension are relatively low, are easy to tear;Second is that under film
Base due to be vented it is unsmooth etc. cause ground to swell, geomembrane sensitive for damages.For underwater geomembrane once impaired, there is currently right
" damaged part is difficult to determine " this technical barrier, subsequent timely reparation is even more that can not implement.The above situation generation can aggravate
Library water leakage, causes a large amount of water losses, influences the safety and normal operation of reservoir.Therefore, right during application of civil engineering
The effectively monitoring of later stage geomembrane becomes one of urgent problem.
Invention content
Technical problem solved by the invention is:After being surprisingly damaged for the underwater geomembrane for playing antiseepage, how
The technical issues of accomplishing to find rapidly and be accurately positioned.
To achieve the above object, the present invention proposes a kind of underwater geomembrane monitoring method using rectangular monitor disk, including
The step of it is as follows:
At least three row monitoring nodes are arranged in step 1 in library basin or canal bottom water domain, constitute the prison of odd-numbered line or even number line
Survey node array, wherein each monitoring node of the even number line is separately positioned on each adjacent two of the odd-numbered line
Between monitoring node pitch area, each monitoring node includes the ess-strain monitoring device being equipped with, in first trip or not
Within row in addition to first and last monitoring node, used in the ess-strain monitoring device of the monitoring node in stage casing rectangular
Monitor disk is connected with rope, the adjacent prison of adjacent rows between the ess-strain monitoring device in the monitoring node in each row
Triangular mesh is connected and composed by rope between the ess-strain monitoring device surveyed in node, wherein in adjacent odd row
Also rope is connected between ess-strain monitoring device in first monitoring node, in the end monitoring node in adjacent odd row
It is attached also by rope between ess-strain monitoring device;
Step 2 keeps being tensioned between each rope in monitoring node array and be answered what each monitoring node was equipped with
Stress-strain detection device is fixedly mounted in geomembrane one side directed downwardly, by geomembrane together with the monitoring node in one side downward
Ess-strain detection device is laid together on underwater library basin or canal bottom surface, and the stress in monitoring node in each row is answered
Become monitoring device to connect with the controlling bus of one's own profession, the controlling bus of each row is electrically connected with the control cabinet being arranged on the bank
It connects;
Step 3 is located in the monitoring node of the corresponding position of geotechnological back of the membrane when any one place's geomembrane deforms upon
Ess-strain monitoring device experience stress first and send out data-signal, meanwhile, with the ess-strain monitoring device
The rope being connected is involved, make the ess-strain monitoring device in the monitoring node of periphery also experience geomembrane deformation and
Data-signal is sent out, each data-signal can be all transmitted to by the controlling bus being respectively expert in control cabinet, control
Each data-signal is uploaded to cloud server by the controller in case, and the internal processes of the central server of control centre are to hair
Go out signal and carry out time-sequencing and by signal compared with the bottom threshold of peak stress suffered by geomembrane, gives up less than under threshold value
The peak stress signal of limit, record are more than the peak stress signal of bottom threshold, and bottom threshold is set as 80~140N/125px,
Middle N units are newton, and PX is pixel;
Signal peak is maximum or monitoring node where sending out the ess-strain monitoring device of signal at first coordinate as
The position coordinates of geomembrane deformation or damage location;The technical staff for learning the coordinate signal is to corresponding monitoring node and its week
It encloses region to be investigated, you can obtain accurately geomembrane deformation or damage location relatively, skill is provided for further emergency processing
Art is supported.
In addition, can have following additional technical characteristic according to embodiments of the present invention:
According to one embodiment of present invention, the rectangular monitor disk includes and mating rectangular of the rectangular monitor disk
It covers, is provided with and turns edge on the outside of two straight flanges between the left and right both sides of the square cover, it is described to turn edge equipped with installation
Hole, towards the rectangular monitor disk, about on the symmetrical center axis of symmetry in left and right both sides and leaning in the rectangular monitor disk
The straight flange position of nearly side on the upper side is equipped with line concentration platform, and the line concentration platform is equipped with wiring plug, is equipped with and closes on the line concentration platform
The symmetrical two pairs of bolts hole of center axis of symmetry in the left and right both sides in the rectangular monitor disk, one end of two pairs of connection sheets
Coordinated respectively with the two pairs of bolts hole by bolt and be fastened on line concentration platform, the other end of two pairs of connection sheets is respectively independent respectively
Connect two pairs of stress strain gauges, the radial direction of the axial axis of one pair of which stress strain gauge and the bolt hole being connected
Line between center is on the same line, and two between the left and right both sides of the rectangular monitor disk are described straight
Side is parallel, pair of the axial axis of another pair stress strain gauge about the left and right both sides in the rectangular monitor disk
It is in splayed configuration to claim central axis symmetrically, and bolt also is provided in the other end far from the connection sheet of each stress strain gauge
One end of rope is crimped on stress strain gauge far from the connection sheet by hole, pressing plate by the cooperation of bolt and bolt hole
On the other end, the side wall of the rectangular monitor disk is equipped with waterproof plug, the rope by waterproof plug be pierced by rectangular monitor disk with
Adjacent other monitoring nodes connection, the signal wire of the stress strain gauge is respectively by the wiring plug and one's own profession
Controlling bus is electrically connected.
System used by underwater geomembrane monitoring method, includes that at least three rows are arranged in the waters in library basin or canal bottom
Monitoring node constitutes the monitoring node array of odd-numbered line or even number line, wherein each monitoring node of the even number line is set respectively
It sets between each two adjacent monitoring node pitch areas of the odd-numbered line, each monitoring node includes being equipped with
Ess-strain monitoring device, be connected with rope, phase between the ess-strain monitoring device in the monitoring node in each row
Triangular mesh is connected and composed by rope between ess-strain monitoring device in the adjacent monitoring node of adjacent rows, wherein phase
Rope, the end in adjacent odd row are also connected between the ess-strain monitoring device in first monitoring node in adjacent odd-numbered line
It is attached also by rope between ess-strain monitoring device in monitoring node;The ess-strain monitoring device includes
Stress strain gauge;
It keeps being tensioned between each rope in monitoring node array and monitoring node is fixedly mounted on geomembrane downward
One side on, geomembrane is laid together with the monitoring node in one side downward on underwater library basin or canal bottom surface, each
The ess-strain monitoring device of monitoring node in row is connect with the controlling bus of one's own profession, and the controlling bus of each row is equal
It is electrically connected with the control cabinet being arranged on the bank;The control cabinet and cloud server communicate, the cloud server by gateway with
The central server of control centre communicates, the cloud server also with communication of mobile terminal.
The control cabinet includes the controller being equipped with, and further includes the wireless transmitter module being connect with controller, wireless to send out
Module is penetrated to communicate by wireless router and cloud server.The controller is PLC controller, and the rope is stainless steel wire
Rope.
The operation principle of the technical program is answered carrying out the specific of Anti-seeping technology to Underwater Engineering using laying geomembrane
In, change in ground for the membrane body of geomembrane and the effects that external force under be easy it is impaired, will cause when serious reservoir basin or
The actual conditions that the accidents such as canal bottom leakage occur, take and install multiple monitoring nodes in geomembrane one side directed downwardly, and in phase
It is connected by rope between adjacent monitoring node and constitutes cell network structure, here, the rope set up is participating in structure monitoring
Node array mesh and the effect for playing the role of also acting as reinforcing rib while stress signal linkage, can enhance underwater geomembrane
Tensile capacity, the covert geomembrane that improves resists the ability that external force avoids breakage, to realize best stress monitoring mode:It is exactly
Geomembrane is set to be not affected or less affected by the good result of stress forever.Adverse conditions is when underwater geomembrane is occurred by stress
At the initial stage of deformation or even breakage, since rope causes the stress data signal value for being possible to obtain smaller, this can be by rear
In the program of control centre's server of phase, the mode of monitoring signals bottom threshold is reduced, is made up because rope leads to sensitive monitoring
The problem of degree reduces, it is generally the case that the stress tensile strength of geomembrane is >=250N/125px, takes bottom threshold to set here
For 80~140N/125px, threshold value is artificially reduced, in the case where not increasing existing equipment, improves to receive and be answered suffered by geomembrane
The sensitivity of force signal.So that guarantee is deformed upon by stress to geomembrane or even damaged initial stage can timely respond to.
When the somewhere ground under underwater geomembrane swells or has accumulated gases, in heavy hydraulic pressure and the work of other external force
Under, geomembrane, which can equally deform, even to be ruptured, and the nearest ess-strain detection device apart from the position experiences deformation letter
Number, while the rope being connected with the ess-strain detection device is also involved, and the ess-strain detection device on periphery is made
The more or less deformation signal for experiencing geomembrane of meeting, these signals can all pass through the controlling bus being respectively expert at and control
Controller connection in case, controller is uploaded to cloud server, until the server of control centre, the server of control centre
By internal processes to obtaining signal, according to time order and function, peak value size is judged, will send out alarm signal or peak at first
The position coordinates for being worth larger monitoring node primarily determine position coordinates for geomembrane damage, and the relevant technologies departmental staff is to this
Monitoring node and its peripheral region are investigated, you can are obtained accurately geomembrane damage position relatively, striven for for timely processing
Time, meet the needs of relevant departments personnel.
Specifically include stress strain gauge in ess-strain detection device, the acquisition of actual stress data signal be by
Stress strain gauge is collected.
Relevant Decision personnel can also directly access cloud server by mobile terminal, grasp in real time under underwater geomembrane
Monitoring node in each ess-strain detection device records deformational stress signal message, accomplish at the first time can be into
Row anticipation obtains the repairing opportunity of membrane body cracking initial stage preciousness, and risk is minimized by effort, prevents the expansion of accident.
The operation principle of the present invention is ripe, reliable, under the premise of need not increase too many input, realizes to underwater geotechnique
Film deformation or the positioning of damage location, the technical program is targetedly in monitoring node array, being located at first trip or positioned at not
The rectangular monitor disk of stage casing monitoring node inside row carries out modularized production, facilitates the overlap joint demand of site operation, subtracts significantly
The input of few manpower and materials, has larger economic benefit and application prospect.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that,
Fig. 1 is a kind of flow diagram of the underwater geomembrane monitoring method using rectangular monitor disk;
Fig. 2 is the sector disk structural schematic diagram for the first monitoring node being located in monitoring node array in odd-numbered line;
Fig. 3 is the sector disk schematic side view of Fig. 2;
Fig. 4 is the rectangular monitor disk knot for being located at first trip or the stage casing monitoring node inside not row in monitoring node array
Structure schematic diagram;
Fig. 5 is the rectangular monitor disk structure schematic side view of Fig. 4;
Fig. 6 is the pentagon monitor disk signal of the first and tail monitoring node positioned at even number line in monitoring node array
Figure;
Fig. 7 is the pentagon monitor disk schematic side view of Fig. 6;
Fig. 8 is in addition to not going except first trip and in monitoring node array, and removes in first and tail monitoring node in the line
Between monitoring node regular hexagon monitor disk schematic diagram;
Fig. 9 is the regular hexagon monitor disk schematic side view of Fig. 8;
Figure 10 is regular hexagon monitor disk schematic side views of the Fig. 8 with earth anchor;
Figure 11 is a kind of schematic diagram of underwater geomembrane monitoring system of stress and strain;
Figure 12 is wiring plug partial enlargement structural representation;
Figure 13 is rope limiting device schematic diagram;
Figure 14 is ratchet and rope cooperation schematic diagram in Figure 13;
Wherein:1. reservoir basin or canal bottom, 2. monitoring nodes, 3. ropes, 4. controlling bus, 5. wireless routers, 6. high in the clouds
Server, 7. mobile terminals, 8. central servers, 9. gateways, 10. control cabinets, 11. geomembranes, 12. sector disks, 13. turn edge,
14. stress strain gauge, 15. waterproof plugs, 16. bolts, 17. pressing plates, 18. connection sheets, 19. line concentration platforms, 20. wiring plugs,
21. segment cover, 22. rectangular monitor disks, 23. square covers, 24. pentagon monitor disks, 25. pentagon lids, 26. signal wires, 27.
Air bag, 28. convex columns, 29. cross over pipes, 30. upper mounting seats, 31. ratchets, 32. lower mounting seats, 33. radial indentations, 34. tapers
Body, 35. horizontal torsion bars, 36. ratchet main shafts, 37. lower grooves, 38. fovea superior barrels, the monitoring of 39. side wall hollow hole .40. regular hexagons
Disk, 41. regular hexagon lids, 42. fix anchor.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.With reference to
Attached drawing further illustrates;
This monitoring method and system can be used in reservoir basin or canal bottom 1, to the reservoir basin of reservoir or the canal bottom of channel
In the stress monitoring of the geomembrane 11 of middle laying, a kind of underwater geomembrane using rectangular monitor disk is provided in Fig. 1 to Figure 14
Monitoring method includes the steps that as follows:
Monitoring node array is arranged in reservoir basin or canal bottom in step 1, and each node in an array is answered equipped with stress
Become detection device, wherein the ess-strain detection device of the stage casing monitoring node 2 positioned at first trip or inside not row includes side
Shape monitor disk 22 and the square cover 23 mating with the rectangular monitor disk 22;
The bottom for being connected to geomembrane 11, the ess-strain detection are arranged and sticked to monitoring node array by step 2
Device is communicated by network and the central server of control centre 8;Here, network can be 3G or 4G networks;
The central server technical staff of step 3, control centre obtains the ess-strain detection dress in monitoring node array
The monitoring data signal set, by carrying out threshold value comparison and time judgement to monitoring data, by data-signal peak value maximum or most
Position coordinates of the coordinate of node as 11 deformation of geomembrane or breakage where first sending out the ess-strain detection device of signal.
The step 1 specifically includes, and at least three row monitoring nodes 2 are arranged, and constitutes the monitoring node of odd-numbered line or even number line
Array, wherein each monitoring node 2 of the even number line is separately positioned on each two adjacent monitoring sections of the odd-numbered line
Between 2 pitch areas of point, each monitoring node 2 includes the ess-strain detection device being equipped with, the prison in each row
It is connected with rope 3, the ess-strain in the adjacent monitoring node 2 of adjacent rows between the ess-strain detection device surveyed in node 2
Triangular mesh is connected and composed by rope 3 between detection device, wherein in the first monitoring node 2 in adjacent odd row
Also rope 3 is connected between ess-strain detection device, the ess-strain detection device of the end monitoring node 2 in adjacent odd row
Between be attached also by rope 3;
In addition, shown in B in Figure 11, in monitoring node array, as shown in Fig. 4,5, the rectangular monitor disk 22
On be configured with square cover 23, be provided with and turn edge on the outside of upper and lower two straight flanges between the left and right both sides of the square cover 23
13, described turn edge 13 is equipped with mounting hole, towards the rectangular monitor disk 22, including in the rectangular monitor disk 22 about
The straight flange position on the left and right symmetrical center axis of symmetry in both sides and close to side on the upper side is equipped with line concentration platform 19, the line concentration
Platform 19 is equipped with wiring plug 20, is equipped with the symmetrical of the left and right both sides in the rectangular monitor disk 22 on the line concentration platform 19
Central axis is the two pairs of bolts hole of symmetry axis, and one end of two pairs of connection sheets 18 is matched with the two pairs of bolts hole respectively by bolt 16
It closes and is fastened on line concentration platform 19, other end difference two pairs of stress strain gauges of respective independent connection of two pairs of connection sheets 18
14, the line of the axial axis of a pair of stress strain gauge 14 therein is conllinear and left and right with the rectangular monitor disk 22
Upper and lower two straight flanges between both sides are parallel, and the axial axis of another pair stress strain gauge 14 is about described rectangular
The center axis of symmetry on the left and right both sides in monitor disk 22 is in symmetrically splayed configuration, in the separate of each stress strain gauge 14
The other end of the connection sheet 18 also is provided with bolt hole, and pressing plate 17 is by the cooperation of bolt 16 and the bolt hole by the one of rope 3
Side pressure is connected on the other end of the stress strain gauge 14 far from the connection sheet 18, is set on the side wall of the rectangular monitor disk 22
There are waterproof plug 15, the rope 3 to be pierced by the stress of rectangular monitor disk 22 and other adjacent monitoring nodes 2 by waterproof plug 15
Strain-Sensing device connects, and the signal wire 26 of the stress strain gauge 14 is respectively by the wiring plug 20 and one's own profession
Controlling bus 4 be electrically connected.
The step 2 specifically includes, and tensioning is kept between each rope 3 in monitoring node array and by each monitoring
The ess-strain detection device that node 2 is equipped with is fixedly mounted in 11 one side directed downwardly of geomembrane, by geomembrane 11 together with peace
Ess-strain detection device mounted in the monitoring node 2 of one side downward is laid in together on reservoir basin or canal bottom surface, Ge Gehang
The ess-strain detection device of middle monitoring node 2 is connect with the controlling bus of one's own profession 4, and the controlling bus 4 of each row is equal
It is electrically connected with the control cabinet 10 being arranged in waterfront.
The step 3 specifically includes, and when any one place's geomembrane 11 deforms upon, is located at the corresponding of 11 back side of geomembrane
Ess-strain detection device in the monitoring node 2 of position is stressed effect and sends out data-signal, meanwhile, it is answered with the stress
Become the rope 3 that detection device is connected also to be involved, makes the ess-strain detection device on periphery that can also experience geomembrane 11
Deformation and send out data-signal, each data-signal all can be transmitted to control by the controlling bus 4 being respectively expert at
In case 10, each data-signal is uploaded to cloud server 6, the central server of control centre by the controller in control cabinet 10
8 internal processes are judged and are compared, and are sent out time-sequencing to data-signal and are answered data-signal with suffered by geomembrane
The bottom threshold of power peak value compares, and gives up the peak stress signal less than bottom threshold, stress peak of the record more than bottom threshold
Value signal, bottom threshold are set as 80 or 100 or 140N/125px, and N is newton, and PX is the pixel of geomembrane;Number will be sent out at first
It is believed that number or the position coordinates of the maximum monitoring node of data-signal peak value 2 primarily determine as 11 deformation of geomembrane or breakage
Position coordinates, the technical staff for learning the coordinate signal investigate corresponding monitoring node 2 and its peripheral region, you can obtain
Accurately 11 deformation of geomembrane or damage location relatively, provide technical support for further emergency processing.
Shown in A in Figure 11, wrapped in the ess-strain detection device of the first monitoring node 2 in odd-numbered line
Sector disk 12 is included, as shown in Fig. 2,3, the sector disk 12 and segment cover 21 are mating, in two straight flanges of the segment cover 21
Outside be provided with and turn edge 13, described turn edge 13 is equipped with mounting hole, can utilize the mounting hole to turn edge on 13 in this way, pass through seam
Sector disk 12 is connected in the one side downward on geomembrane 11 by the modes such as system or riveting, i.e. the back side of geomembrane 11.Described
Line concentration platform 19 is equipped in sector disk 12 with the position of camber line side face side, the line concentration platform 19 is equipped with wiring plug 20, is collecting
Line platform 19 is set in the mesa edge of the side on the camber line side of sector disk 12 there are three bolt hole, one end of three connection sheets 18
It is fastened on line concentration platform 19 by bolt 16 and three bolts hole coordinate respectively, the other end difference of three connection sheets 18 is respective
It is connected with stress strain gauge 14, is also set in the other end far from the connection sheet 18 of each stress strain gauge 14
There are bolt hole, pressing plate 17 that one end of rope 3 is crimped on stress strain gauge 14 far by the cooperation of bolt 16 and bolt hole
On the other end from the connection sheet 18, the side wall of the sector disk 12 is equipped with waterproof plug 15, and the rope 3 passes through waterproof plug
15 are pierced by sector disk 12 connect with the ess-strain detection device in other adjacent monitoring nodes 2, the ess-strain sensing
The signal wire 26 of device 14 is electrically connected by the wiring plug 20 with the controlling bus 4 in one's own profession respectively.
In Figure 11, a kind of system of underwater geotechnological film monitoring is illustrated, includes being set in the waters in reservoir basin or canal bottom 1
At least three row monitoring nodes 2 are set, constitute the monitoring node array of odd-numbered line or even number line, wherein each prison of the even number line
It surveys node 2 to be separately positioned between each two adjacent 2 pitch areas of monitoring node of the odd-numbered line, each monitoring
Node 2 includes the ess-strain detection device being equipped with, the ess-strain detection device in monitoring node 2 in each row it
Between be connected with rope 3, connected and composed by rope 3 between the ess-strain detection device in the adjacent monitoring node 2 of adjacent rows
Triangular mesh, wherein also connect rope between the ess-strain detection device in first monitoring node 2 in adjacent odd row
3, it is attached also by rope 3 between the ess-strain detection device of the end monitoring node 2 in adjacent odd row;
It keeps being tensioned between each rope 3 in monitoring node array and monitoring node 2 is fixedly mounted on geomembrane 11
In one side directed downwardly, geomembrane 11 lays 1 table of underwater reservoir basin or canal bottom together with the monitoring node 2 in one side downward
On face, the ess-strain detection device of the monitoring node 2 in each row is connect with the controlling bus of one's own profession 4, the institute of each row
Controlling bus 4 is stated to be electrically connected with the control cabinet 10 being arranged in waterfront or on dykes and dams;The control cabinet 10 and cloud server 6
Communication, the cloud server 6 communicated by gateway 9 with the central server 8 of control centre, the cloud server 6 also with
Mobile terminal 7 communicates.
The control cabinet 10 includes the controller being equipped with, and further includes the wireless transmitter module being connect with controller, wirelessly
Transmitting module is communicated by wireless router 5 and cloud server 6.
The controller is PLC controller, and the rope 3 is stainless steel wire rope.
PLC controller is mounted in control cabinet 10, with the respective peripherals such as power supply, starting switch, indicator light electric fittings electricity
Connection belongs to those skilled in the art's routine techniques, therefore repeats no more.
In addition, shown in C in Figure 11, in monitoring node array, as shown in Fig. 6,7, it is located at the first of even number line
Ess-strain detection device with tail monitoring node includes pentagon monitor disk 24 and matches with the pentagon monitor disk 24
The pentagon lid 25 of set, towards the pentagon monitor disk 24, in the horizontal direction, two upper end edges being mutually parallel and lower end edge
It is located at the upper side and lower side of the pentagon lid 25, and is each provided on the outside of upper end edge and lower end edge and turns edge 13,
Described turn edge 13 is equipped with mounting hole, and five sides of pentagon monitor disk 24 include the upper straight flange being mutually parallel and lower straight flange, with
The left straight flange that the upper and lower straight flange is respectively perpendicular, right edge include epimere while and when hypomere, the one end on the epimere side with it is upper straight
The right part on side connects, and the one end on the hypomere side is connect with the right part of lower straight flange, the epimere while and it is respective when hypomere
The other end interconnect and epimere while and connection left straight flange of the intersection point far from pentagon monitor disk 24 when hypomere
Formed evagination, epimere in hypomere between exist more than zero and less than 180 degree angle, in the pentagon monitor disk 24
Middle part be equipped with line concentration platform 19, the line concentration platform 19 is equipped with wiring plug 20, close to the upper side and lower side of the line concentration platform 19
Edge distinguish each setting a pair of bolts hole, two pairs of bolts hole about line concentration platform 19 symmetrically, in the pentagon monitor disk
Set there are one bolt hole close to the edge on the right side of the line concentration platform, for meet even number line first and last a monitoring node five
The direction of side shape monitor disk needs, can be by pentagon monitor disk by overturning 180 degree use;Wherein, the right side of line concentration platform
Epimere described in the radial center face of the bolt hole at the edge of side while and the apex angle that is formed of connection intersection point when hypomere and positioned at should
On the extended line of the angular bisector of apex angle, and the diameter in a pair of bolts hole that the upside of the line concentration platform 19, lower edge are respectively arranged
To center, it is in pair of the connection that intersects of two vertical angles where the both ends of 24 upper and lower straight flange of the pentagon monitor disk
On linea angulata.The radial center of bolt hole is on the diagonal line intersected so that it is convenient to be connected on stress strain gauge 14
Rope can be pierced by without bending along vertex.Be conducive to improve the sensitivity that sensor perceives stress.
One end of five connection sheets 18 is coordinated respectively with bolt hole by bolt 16 and is fastened on line concentration platform 19, five companies
Respectively independent connection has stress strain gauge 14 to the other end of contact pin 18 respectively, in the separate of each stress strain gauge 14
The other end of the connection sheet 18 is equipped with fastener hole, and pressing plate 17 is crimped one end of rope with the cooperation of fastener hole by bolt 16
On the other end of the stress strain gauge 14 far from the connection sheet 18, the side wall of the pentagon monitor disk 24, which is equipped with, to be prevented
Water plug 15, five ropes are pierced by side wall by waterproof plug 15 and are connect with other adjacent monitoring nodes, five stress
The signal wire 26 of strain transducer 14 is electrically connected by the wiring plug 20 with the controlling bus 4 in one's own profession respectively.
Finally, shown in the D in Figure 11, in monitoring node array, as shown in Fig. 8,9, except first trip and in addition to not going,
And in the line except first and tail monitoring node intermediate monitoring node include regular hexagon monitor disk 40 and with positive six side
The mating regular hexagon lid 41 of shape monitor disk 40, towards the regular hexagon monitor disk 40, in the horizontal direction, two are mutually parallel
Straight flange be located at the upper side and lower side of the regular hexagon lid 41, and be each provided with and turn edge on the outside of two straight flanges
13, mounting hole is equipped on 13 in described turn edge, six apex angles of the regular hexagon monitor disk 40 are three pairs about pair in disk
Claim centrosymmetric symmetrical apex angle, line concentration platform 19, the collection are equipped at the symmetrical centre in the regular hexagon monitor disk 40
Line platform 19 is equipped with wiring plug 20, the edge setting six in the upper side and lower side and left and right side close to the line concentration platform 19
A bolt hole, six bolts hole are constituted about symmetrical three pairs of symmetrical centre in disk, and the radial center of each pair of bolt hole is distinguished
The diagonal line between the symmetrical apex angle of three couples of regular hexagon monitor disk 40 is corresponded in the projection on line concentration platform 19,
One end of six connection sheets 18 is fastened on by bolt 16 and bolt hole coordinate on line concentration platform 19 respectively, six companies
Respectively independent connection has stress strain gauge 14 to the other end of contact pin 18 respectively, in the separate of each stress strain gauge 14
The other end of the connection sheet 18 is equipped with fastener hole, and pressing plate 17 is crimped one end of rope with the cooperation of fastener hole by bolt 16
On the other end of the stress strain gauge 14 far from the connection sheet 18, the side wall of the regular hexagon monitor disk 40 is equipped with
Waterproof plug 15, six ropes are pierced by side wall by waterproof plug 15 and are connect with other adjacent monitoring nodes, answered described in six
The signal wire 26 of stress-strain sensor 14 is electrically connected by the wiring plug 20 with the controlling bus 4 in one's own profession respectively.
As shown in Figure 10, regular hexagon monitor disk is also provided with fixed anchor 42, because regular hexagon monitor disk is often
Central region in entire geomembrane 11 is set, the fringe region of geomembrane 11 is compared, displacement is small, therefore can utilize and fix
Anchor 42 is opposite to be held in position, and fixed anchor 42 can grip in water-bed mud, and each regular hexagon monitor disk is made to be relatively fixed in water
Bottom is also equivalent to artificially establish multiple origins, and when geomembrane 11 has damaged or deformation, rope is to the stress in node
Strain transducer 14 implement power, central server 8 according to transmission come data-signal, directly obtain these fixed positive six sides
The relative coordinate of shape monitor disk origin and as reference point, damaged or deformation position is looked in water-bed region entire compared to traversal,
It is equivalent to and water-bed region is broken the whole up into parts, the more rapid breakage for obtaining geomembrane 11 or shape can be run with less program
Become position.
In Figure 12, provide a kind of wiring plug 20, the wiring plug 20 be separately positioned on sector disk 12, rectangular monitor disk 22,
Pentagon monitor disk 24, regular hexagon monitor disk 40 disk body in 19 position of line concentration platform, the wiring plug 20 includes by disk body
The hollow tube being inside pierced by and the ring flange being connect with hollow tube exposing disk body one end, are installed multiple on the hollow inside pipe wall
Convex column 28, the convex column 28 are located at hollow tube in the radial direction, axis of the multiple convex columns 28 along the hollow tube
It arranges to direction, exposes in the hollow tube and be equipped with several air bags between nozzle position and pipe internal projection column 28 outside disk body
27, pass through the gap of the air bag 27 and convex column 28 to reach by 29 unicom of cross over pipe, signal wire 26 between the air bag 27
Outside disk body, by taking rectangular monitor disk 22 as an example, after rectangular monitor disk 22 is installed under water together with geomembrane 11, in the work of water pressure
Under, the air bag 27 at the nozzle outside disk body is compressed, due to passing through 29 mutual unicom of cross over pipe, pipe between air bag 27
After air bag 27 outside mouthful is compressed, the air bag 27 being located in the hollow tube of wiring plug 20 expands, and is further wrapped in through wiring plug
20 by signal wire 26 border, under the encirclement of air bag 27, the convex column 28 that is staggered in 26 approach caliber of signal wire
And become more winding complications, in this way, air bag 27 and convex column 28 coordinate the tortuous increased in pipe, on the one hand ensure prison
Disk inner waterproofing sealing effect is surveyed, on the other hand, since convex column 28 is the soft rubber material of matter, when answering in rectangular monitor disk 22
Stress-strain sensor 14 is stressed effect, and when faint displacement occurs, signal wire 26 can freely stretch in hollow tube, avoid
The terminals of signal wire 26 and internal stress strain gauge 14 are excessive and broken because of stress, cause that stress signal can not be transmitted
The case where occur, substantially increase in this way monitor disk work reliability.
In Figure 13,14, a kind of rope limiting device is provided, to ensure that the rope in monitoring array under stress, has
Imitate displacement, not because the yoke of attachment deviate, can rope by way of reservoir basin or canal bottom ground setting rope limit
Position device, rope limiting device includes upper mounting seat 30, and left and right two sides setting of the upper mounting seat 30 turns edge 13, institute
It states and turns edge 13 equipped with mounting hole, be equipped with fovea superior barrel 38 in the bottom surface of the upper mounting seat 30, the fovea superior barrel 38 is logical
It crosses and the left and right center axis of symmetry of the parallel upper mounting seat 30, the fovea superior barrel 38 is the groove tube of lower opening,
The stage casing side of fovea superior barrel 38 is equipped with side wall hollow hole 39, the upper mounting seat 30 and lower mounting seat 32 located directly below
It is connected, lower groove 37 is equipped with 38 corresponding position of fovea superior barrel in the lower mounting seat 32, in the lower groove 37
39 position of side wall hollow hole of corresponding fovea superior barrel 38 is equipped with ratchet 31, and the ratchet 31 passes through ratchet main shaft 36 and lower mounting seat
Bullet 34 immediately below 32 coordinates, and the bullet 34 includes the tapered bur of upper plane and lower part, on the side wall of tapered bur
Equipped with spiral lamination, play the role of drill bit in use, it is time saving and energy saving, it is equipped with along lower part in the radial center position of the upper plane
Tapered bur axial axis direction counterbore, on the tapered bur and close to upper plane two opposing sidewalls on set
There are radial indentation 33, unicom between the radial indentation 33 and the counterbore, the ratchet main shaft 36 to coordinate with the counterbore, institute
The middle part for stating the lower end of ratchet main shaft 36 and the horizontal torsion bar 35 of lower section connects, and two ends of the horizontal torsion bar 35 are located at the diameter
Into notch 33, when rope being fastened in the lower groove 37 and fovea superior barrel 38 of upper mounting seat 30 and lower mounting seat 32, and will
Bullet 34 is implanted into the mud at reservoir basin or canal bottom, when rope is when the effect of being stressed is subjected to displacement, can touch 31 turns of ratchet
Dynamic, ratchet 31 is one-way wheel, can only be rotated in one direction, and under the drive of ratchet 31, ratchet main shaft 36 drives radial indentation
Horizontal torsion bar 35 in 33 rotates and by moment loading on bullet 34, and the tapered bur of 34 lower part of bullet is caused to be bored in mud,
Stress acts on the limited displacement on rope, therefore too big feeding will not occur for tapered bur, the section for only forming rope
Lattice array is fitted tightly over together with the geomembrane 11 laid thereon on reservoir basin or canal bottom, avoids itself displacement of geomembrane 11;I.e.
Just when there is gas in the lower section of geomembrane 11, in the case where rope and bullet 34 act on, geomembrane 11 still can stick on reservoir basin or
It on canal bottom, is equivalent to and gas is spread out in the lower section large area of geomembrane 11, avoid the local bulge of geomembrane 11, also just prolong
It is slow or avoid accumulated gases geomembrane 11 it is smaller a little on, lead to local pressure and damaged, in rope and rope limit
Under the action of device, geomembrane 11 has stronger tension effect and more firm " grabbing ground " effect, and water is reduced in terms of two
The unexpected breakage of lower geomembrane 11.
Here, when rope is pulled by the opposite stress in another direction, the movement of rope negative direction, the spine of one-way movement
Wheel 31 will not participate in movement, to ensure that tapered bur is only got into the cave to the bottom of reservoir basin or canal bottom, entire rope be avoided to limit
Device is screwed out in the mud at reservoir basin or canal bottom to be come;In addition, torsion can also be arranged between ratchet main shaft 36 and lower mounting seat 32
Square sensor, it is similar with stress strain gauge processing, by the signal wire of torque sensor again by corresponding data/address bus
It is connected in control cabinet and signal uploads network and send the supplement become to central server 8 to underwater geomembrane stress monitoring, from
And set up the new approach of stress monitoring.
The state for not beating strand of rope can be ensured by rope limiting device, while groove structure can also be removed and is attached to
Mud on rope or other attachments, so that geomembrane is met reservoir basin or canal bottom or part together with rope the water of fluctuating
The laying of basic skill or training's condition.In addition, although each rope has had constraint, disk body itself not to have larger displacement each disk body,
If but rope limiting device is connected to sector disk 12 or rectangular monitor disk 22 or pentagon monitor disk 24 or regular hexagon monitoring
The lower section of the disk body of disk 40 simultaneously penetrates in mud, and the limitation to disk body displacement amplitude is realized in the case where not influencing stress monitoring,
It is further reduced or avoid disk body in ess-strain to lead the amplitude of dragging to geotechnological membrane body, in this way, whole system will obtain more
Reliable operational support.
In the description of this specification, the description of reference term " one embodiment " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.In this explanation
In book, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.Although
The embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Do not departing from the present invention's
Can these embodiments be carried out with a variety of change, modification, replacement and modification in the case of principle and objective, the scope of the present invention by
Claim and its equivalent limit.
Claims (2)
1. a kind of underwater geomembrane monitoring method using rectangular monitor disk, which is characterized in that include the steps that as follows:
At least three row monitoring nodes are arranged in step 1 in library basin or canal bottom water domain, constitute the monitoring section of odd-numbered line or even number line
Lattice array, wherein each monitoring node of the even number line is separately positioned on each two adjacent monitorings of the odd-numbered line
Between node pitch area, each monitoring node includes the ess-strain monitoring device being equipped with, and in first trip or does not go it
It is interior in addition to first and last monitoring node, use rectangular monitoring in the ess-strain monitoring device of the monitoring node in stage casing
Disk is connected with rope, the adjacent monitoring section of adjacent rows between the ess-strain monitoring device in the monitoring node in each row
Triangular mesh is connected and composed by rope between ess-strain monitoring device in point, wherein first in adjacent odd row
Also rope is connected between ess-strain monitoring device in monitoring node, the stress in the monitoring node of end in adjacent odd row
It is attached also by rope between strain monitoring device;
Step 2 keeps being tensioned between each rope in monitoring node array and answers the stress that each monitoring node is equipped with
Become detection device to be fixedly mounted in geomembrane one side directed downwardly, by geomembrane together with the stress of the monitoring node in one side downward
Strain-Sensing device is laid together on underwater library basin or canal bottom surface, the ess-strain prison in the monitoring node in each row
It surveys device to connect with the controlling bus of one's own profession, the controlling bus of each row is electrically connected with the control cabinet being arranged on the bank;
Step 3, when any one place's geomembrane deforms upon, answering in the monitoring node of the corresponding position of geotechnological back of the membrane
Stress-strain monitoring device experiences stress first and sends out data-signal, meanwhile, it is connected with the ess-strain monitoring device
The rope connect is involved, and the ess-strain monitoring device in the monitoring node of periphery is made also to experience the deformation of geomembrane and send out
Data-signal, each data-signal can be all transmitted to by the controlling bus being respectively expert in control cabinet, in control cabinet
Controller each data-signal is uploaded to cloud server, the internal processes of the central server of control centre are to sending out letter
Number carry out time-sequencing and by signal compared with the bottom threshold of peak stress suffered by geomembrane, give up less than bottom threshold
Peak stress signal, record are more than the peak stress signal of bottom threshold, and bottom threshold is set as 80~140N/125px, wherein N
Unit is newton, and PX is pixel;
The coordinate of ess-strain monitoring device place monitoring node that is signal peak is maximum or sending out signal at first is as geotechnique
The position coordinates of film deformation or damage location;The technical staff for learning the coordinate signal is to corresponding monitoring node and its peripheral region
It is investigated in domain, you can obtain accurately geomembrane deformation or damage location relatively, technology branch is provided for further emergency processing
It holds.
2. a kind of underwater geomembrane monitoring method using rectangular monitor disk according to claim 1, which is characterized in that institute
The square cover that rectangular monitor disk includes mating with the rectangular monitor disk is stated, is located between the left and right both sides of the square cover
It is provided with and turns edge on the outside of two straight flanges, described turn edge is equipped with mounting hole, towards the rectangular monitor disk, in the rectangular prison
It surveys in disk and is equipped with line concentration platform about the straight flange position on the symmetrical center axis of symmetry in left and right both sides and close to side on the upper side,
The line concentration platform is equipped with wiring plug, and pair about the left and right both sides in the rectangular monitor disk is equipped on the line concentration platform
Claim central axis symmetrical two pairs of bolts hole, one end of two pairs of connection sheets is coordinated with the two pairs of bolts hole and tight respectively by bolt
Gu on line concentration platform, the other end of two pairs of connection sheets respectively respectively answer by two pairs of stress strain gauges of independent connection, one pair of which
Line between the axial axis of stress-strain sensor and the radial center for the bolt hole being connected is on the same line, and
Two straight flanges between the left and right both sides of the rectangular monitor disk are parallel, another pair stress strain gauge
Axial axis is in symmetrically splayed configuration about the center axis of symmetry on the left and right both sides in the rectangular monitor disk, in each stress
The other end far from the connection sheet of strain transducer also is provided with bolt hole, and pressing plate will be restricted by the cooperation of bolt and bolt hole
One end of rope is crimped on the other end of the stress strain gauge far from the connection sheet, is set on the side wall of the rectangular monitor disk
There are waterproof plug, the rope to be pierced by rectangular monitor disk by waterproof plug and connect with other adjacent monitoring nodes, the stress is answered
The signal wire for becoming sensor is electrically connected by the wiring plug with the controlling bus in one's own profession respectively.
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