CN211926746U - Flexible tubular measuring device for monitoring deep displacement of landslide - Google Patents
Flexible tubular measuring device for monitoring deep displacement of landslide Download PDFInfo
- Publication number
- CN211926746U CN211926746U CN202020568198.4U CN202020568198U CN211926746U CN 211926746 U CN211926746 U CN 211926746U CN 202020568198 U CN202020568198 U CN 202020568198U CN 211926746 U CN211926746 U CN 211926746U
- Authority
- CN
- China
- Prior art keywords
- ring
- landslide
- flexible
- wall
- ringlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a flexible tubular measuring device for monitoring deep displacement of landslide, which comprises a vertical drilling hole formed on the landslide, wherein the bottom end of the drilling hole extends into a stable rock-soil body below the landslide, a flexible measuring tube is vertically arranged in the drilling hole, the inner wall of the flexible measuring tube is provided with scale marks along the length direction thereof, the device also comprises an image acquisition instrument which can move up and down in the flexible measuring tube, and the image acquisition instrument is connected with a monitoring device; the device can simply, real-timely, efficiently and accurately monitor the landslide deformation dynamic change condition.
Description
Technical Field
The utility model relates to a landslide deep displacement monitoring technology field, in particular to a flexible tubulose measuring device for monitoring landslide deep displacement.
Background
The landslide deep displacement monitoring is an important means for mastering the landslide body deformation characteristics, and reliable information guarantee can be provided for landslide forecast early warning and disaster prevention and control according to landslide deep displacement monitoring information, so that the life safety of people in a landslide disaster area is ensured, and the production and life loss of people in the disaster area is reduced.
At present, the landslide deep displacement monitoring technology is commonly known as an inclinometer monitoring technology, a strain tube monitoring technology, a time domain reflectometer monitoring technology, a fiber bragg grating monitoring technology and the like. The inclinometer monitoring technology is characterized in that displacement of different depths of the whole inclinometer hole is solved by measuring inclination angles of inclinometers at different depths in the inclinometer pipe, and the inclinometer monitoring technology has the defects of poor monitoring real-time performance and small limited range by the inner diameter of the inclinometer pipe of a drilling hole; for the strain tube monitoring technology, the displacement of different depths in the whole hole is solved by measuring the resistance values of strain gauges in strain tubes of different depths, and the strain tube monitoring technology has the defects of high investment cost and easy influence of environmental conditions such as humidity and temperature and artificial conditions such as sensor sticking quality; for the time domain reflectometer monitoring technology, the displacement of the deep part of a landslide is measured by utilizing the characteristic that the impedance characteristic of a coaxial cable can change along with the deformation of the cable, and the method has the defects that the precision is not easy to ensure and the investment cost is higher; for the fiber grating monitoring technology, the displacement of the deep part of a landslide is measured by utilizing the deformation of a fiber grating strain tube, and the fiber grating monitoring technology has the defects of difficult precision guarantee, complex process, high investment cost, and easy influence of environmental conditions such as temperature and the like and artificial conditions such as sensor pasting quality and the like.
The methods can be applied to landslide deep displacement monitoring, and essentially realize landslide deep displacement monitoring through an inclinometer, a strain gauge, a cable, an optical fiber and the like, the landslide deep displacement monitoring realized based on the inclinometer and the like has the defects of small monitoring range, higher practical cost, difficulty in real-time monitoring and the like, and the landslide deep displacement monitoring realized based on the strain gauge, the cable, the optical fiber and the like has the defects of higher technical requirement, more complex process, higher monitoring investment cost, easiness in being influenced by environment, difficulty in ensuring precision and the like.
To sum up, the defects of high monitoring cost, low monitoring precision, small monitoring range, insufficient monitoring sequence point quantity, large influence caused by human or environmental factors, high technical difficulty, low real-time property and the like generally exist in the current deep displacement monitoring, so that a novel landslide deep displacement monitoring technology needs to be designed, the dynamic change of landslide deformation is monitored simply, efficiently and accurately in real time, and the method has important significance for forecasting and early warning of landslide and scientific prevention and control of landslide disasters.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a flexible tubulose measuring device for landslide deep displacement monitoring can monitor landslide deformation dynamic change simply, real-time, high-efficient, accurately.
The utility model aims at realizing through the following technical scheme:
a flexible tubulose measuring device for landslide deep displacement monitoring includes the vertical drilling that forms on the landslide, the bottom of drilling extends to below the landslide stable ground internal, the vertical flexible survey pipe that is equipped with scalable, crooked and/distortion in the drilling, be equipped with the scale mark along its length direction on the flexible survey intraductal wall, the device is still including the image acquisition appearance that can reciprocate in flexible survey pipe, the image acquisition appearance is connected with monitoring devices.
Furthermore, the flexible measuring tube is formed by buckling a plurality of annular rings in the axial direction, and the scale marks are arranged on the inner wall of each annular ring.
Further, flexible survey the pipe overcoat and be equipped with the outsourcing hose, the outsourcing hose overcoat is equipped with coil spring, coil spring's inboard and outsourcing hose contact, outside and drilling pore wall contact, cement mortar body has been pour between the outsourcing hose outside and drilling pore wall.
Further, the ring includes macrocyclic, ringlet and reducing ring, the both ends opening of macrocyclic, ringlet and reducing ring is the slope form and its incline direction and inclination homogeneous phase equals, the size tip of reducing ring links to each other with the ringlet, the size tip of reducing ring links to each other with macrocyclic ring, the opening circumference of macrocyclic free end inwards curls and forms the macrocyclic ring and collude, the opening circumference of ringlet free end outwards curls and forms the ringlet and colludes, and the ringlet free end of adjacent two rings is located macrocyclic free end inboard and ringlet collude and can collude looks lock joint with macrocyclic ring, the scale mark sets up on macrocyclic and ringlet inner wall.
Furthermore, a limit bulge is arranged at a position close to the small ring hook on the outer wall of the small ring of the ring, an axial groove extending along the axial direction of the large ring is arranged on the inner wall of the large ring of the ring, a circumferential groove extending along the circumferential direction of the large ring is arranged in the middle of the inner wall of the large ring of the ring, the circumferential groove and the axial groove are crossed, and the salient point is arranged in the circumferential groove or the axial groove in a sliding manner.
Further, the ring includes big sleeve and little sleeve, little sleeve one end links to each other with big sleeve one end, it has the hole that supplies adjacent little sleeve to pass to open at big sleeve free end middle part, little sleeve free end circumference outwards extends and forms the spacing ring, the scale mark sets up on little sleeve and big sleeve inner wall.
Furthermore, be equipped with along its radial extension's spacing bump on the spacing ring, big sleeve inner wall is equipped with along its axial extension's axial groove, big sleeve inner wall middle part is equipped with along its circumferential extension's hoop recess, the hoop recess is crossed with the axial groove, the bump slides and arranges in hoop recess and axial groove.
Still further, the image acquisition appearance is including the probe of making a video recording and the cable conductor that are connected, the probe of making a video recording is located flexible survey intraductal, drilling drill way mouth department is equipped with and supplies the winding bobbin of cable conductor, monitoring devices includes bobbin motor drive mechanism, data processor and communication network, data processor links to each other with cable conductor and bobbin motor drive mechanism respectively, bobbin motor drive mechanism links to each other with the bobbin motor, data processor passes through communication network and links to each other with monitor terminal, monitoring devices sets up at drilling drill way mouth department.
The utility model has the advantages that:
the utility model discloses a flexible tubulose measuring device for landslide deep displacement monitoring, when the landslide warp, flexible survey pipe is flexible, crooked and/distortion, and the relative initial state of scale mark in it takes place the continuous variation, and image acquisition appearance gathers scale mark continuous variation image and scale mark initial state image and transmits for monitoring devices, and monitoring devices analysis contrasts scale mark continuous variation image and scale mark initial state image and obtains the landslide and warp the dynamic change condition.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural section view of the present invention.
FIG. 3 is a comparison of the elongation of the flexible test tube of FIG. 1 in an unconstrained state, the elongation in a constrained state, and the contraction in an unconstrained state.
Figure 4 is a front cross-sectional view of the annular ring of the alternative flexible probe of figure 1.
Fig. 5 is a schematic view of a connection structure between the image capturing device and the monitoring device in fig. 1.
Fig. 6 is an installation schematic diagram of the present invention.
Fig. 7 is a schematic view of the monitoring system of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-7, the flexible tubular measuring device for monitoring deep displacement of landslide comprises a vertical drilling hole 5 formed on a landslide 8, the bottom end of the drilling hole 5 extends into a stable rock-soil mass 9 below the landslide 8, a flexible measuring tube 1 is vertically arranged in the drilling hole 5, the flexible measuring tube 1 can stretch, bend and/or distort, scale marks 102 are arranged on the inner wall of the flexible measuring tube 1 along the length direction of the flexible measuring tube, the precision of the scale marks is millimeter, when the flexible measuring tube 1 deforms, the scale marks on the flexible measuring tube change, the device further comprises an image acquisition instrument 6 capable of moving up and down in the flexible measuring tube 1, the image acquisition instrument 6 is connected with a monitoring device 7, when the landslide 8 deforms, the flexible measuring tube 1 deforms along with the scale marks 102 in the flexible measuring tube, the image acquisition instrument 6 acquires initial state images of the scale marks and continuously changed state images of the scale marks and transmits the images to the monitoring device 7, the monitoring device 7 analyzes and compares the scale mark continuous change state image and the scale mark initial state image to obtain the landslide deformation dynamic change condition.
Preferably, the flexible measuring tube 1 is formed by fastening a plurality of rings 101 in an axial direction, and the scale marks 102 are arranged on the inner wall of each ring 101.
An outer-coated hose 2 is sleeved outside the flexible measuring tube 1, a spiral spring 3 is sleeved outside the outer-coated hose 2, the inner side of the spiral spring 3 is in contact with the outer-coated hose 2, the outer side of the spiral spring is in contact with the wall of the borehole 5, and cement mortar 4 is poured between the outer side of the outer-coated hose 2 and the wall of the borehole 5;
the outer packing hose 2 is a corrugated soft tubular shell, and can be a corrugated pipe, the corrugated soft tubular structure enables the outer packing hose to have strong adaptive deformability, the outer packing hose has an isolation effect, underground water around the drilled hole is isolated, the underground water is prevented from permeating into the flexible measuring pipe 1, and the outer packing hose can adapt to landslide deformation and deformation of the flexible measuring pipe embedded in the outer packing hose due to structural characteristics of the outer packing hose.
The spiral spring 3 is a spiral steel bar spring, and is sleeved on the outer packing hose in use, so that the outer packing hose of the nested flexible measuring tube can be positioned in the center of the drill hole, the outer packing hose and the hole wall of the drill hole are separated at equal intervals, and the outer packing hose is prevented from being attached to the hole wall on one side of the drill hole. In addition, cement mortar is poured into the gap between the outer packaging hose sleeved with the spiral spring and the hole wall of the drill hole, the cement mortar and the spiral spring form a tubular steel bar hardened layer, the tubular steel bar hardened layer bears the pressure effect of rock and soil around the drill hole, the flexible measuring pipe is further protected, and the device formed by the flexible measuring pipe, the outer packaging hose and the spiral spring and the rock and soil body around the drill hole are guaranteed to deform together.
The ring 101 comprises a large ring, a small ring and a variable diameter ring, openings at two ends of the large ring, the small ring and the variable diameter ring are all inclined and have equal inclination directions and inclination angles, a small size end of the variable diameter ring is connected with the small ring, a large size end of the variable diameter ring is connected with the large ring, an opening at a free end of the large ring is circumferentially curled inwards to form a large ring hook, an opening at a free end of the small ring is circumferentially curled outwards to form a small ring hook, free ends of the small rings of two adjacent rings are positioned at the inner side of the free end of the large ring, the small ring hooks can be buckled with the large ring hook, and the scale mark 102 is arranged on the inner walls of the large ring and the small rings.
The utility model discloses a flexible survey pipe, including ring 101, the position of colluding, ring 101, ring groove, the protruding ring of ring is equipped with the axial recess that extends along its axial, ring groove and axial recess intersect on the ringlet outer wall of ring, ring 101's big ring inner wall is equipped with along its axial extension's axial recess, ring groove middle part is equipped with along its circumferential extension's hoop recess, the hoop recess is criss-cross with the axial recess, the protruding slip is arranged in hoop recess or axial recess, the annular recess size in this ring 101 is smaller, when the arch is located the annular recess, make the length and the angle of flexible survey pipe fixed its length be the restriction state, when the arch is located the axial recess, make the length of flexible survey pipe, the angle can follow the landslide and warp and change, the flexible survey pipe is the non-restriction. Setting the length of the flexible measuring tube in the limited state to be L0; when the collar projection is located in the axial groove adjacent the collar, the flexible sensing tube is in an unconstrained state for telescoping functionality, with the flexible sensing tube stretched to a longest length L1, which is 1 times the locked state length L0, and compressed to a shortest length L1, which is half the constrained state length L0.
In another mode, the ring 101 comprises a large sleeve and a small sleeve, one end of the small sleeve is connected with one end of the large sleeve, a hole for the adjacent small sleeve to pass through is formed in the middle of the free end of the large sleeve, the free end of the small sleeve extends outwards in the circumferential direction to form a limiting ring, and the scale marks are arranged on the inner walls of the small sleeve and the large sleeve, so that the flexible measuring tube can stretch, bend and/or twist.
The limiting ring 106 is provided with limiting salient points extending along the radial direction, the inner wall of the large sleeve is provided with axial grooves extending along the axial direction, the middle part of the inner wall of the large sleeve is provided with circumferential grooves extending along the circumferential direction, the circumferential grooves are intersected with the axial grooves, the salient points are arranged in the circumferential grooves and the axial grooves in a sliding mode, and the flexible measuring pipe can be in a limiting state or a non-limiting state due to the structure.
A method of implementing a flexible tubular measurement device for landslide depth displacement monitoring, comprising the steps of:
a, vertically drilling a borehole 5 on a landslide 8 and enabling the bottom end of the borehole to extend into a stable rock-soil body 9 below the landslide 8;
b, vertically placing an outer-wrapped hose 2 sleeved with a spiral spring 3 into a drill hole, wherein the inner side of the spiral spring is in contact with the outer-wrapped hose, the outer side of the spiral spring is in contact with the wall of the drill hole, then pouring cement mortar between the outer side of the outer-wrapped hose and the wall of the drill hole, aligning a flexible measuring tube and placing the flexible measuring tube into the outer-wrapped hose, wherein the flexible measuring tube is formed by buckling a plurality of rings in the axial direction, scale marks are arranged on the inner wall of each ring along the length direction of the inner wall, and finally placing an image acquisition instrument into the flexible measuring tube and connecting the image acquisition instrument with a monitoring device, wherein the image acquisition instrument;
and c, enabling the image acquisition instrument to move downwards from the drill hole opening to the drill hole bottom to perform imaging acquisition on the initial state of the scale mark in the flexible measuring pipe, acquiring the initial data of the scale mark and transmitting the data to the monitoring side device for storage, then periodically performing imaging acquisition on the initial state of the scale mark in the flexible measuring pipe by the image acquisition instrument, acquiring continuous scale mark measurement data and transmitting the data to the monitoring device, and comparing and analyzing the continuous scale mark measurement data and the initial data of the scale mark by the monitoring device to acquire the dynamic change condition of landslide deformation.
The image acquisition appearance is including the probe and the cable conductor of making a video recording that are connected, the probe of making a video recording is located flexible survey pipe, drilling drill way mouth department is equipped with the winding reel that can supply the cable conductor winding, monitoring devices includes reel motor drive mechanism, data processor and communication network, data processor control winding reel motor drive mechanism drive reel motor action, realize that the cable conductor winding is on the winding reel or lift off from the winding reel, the probe of making a video recording reciprocates in drilling under the action of gravity, data processor receives the scale mark initial data and the scale mark measured data that the probe of making a video recording gathered through the cable conductor, the continuous scale mark measured data of data processor contrastive analysis and scale mark initial data obtain landslide and warp dynamic change, data processor still sends this bank protection deformation dynamic change condition for monitor terminal through communication network.
The technical principle of the utility model is as follows: when the landslide is out of shape, its inside relative position between two points can change, and the measuring instrument of accessible installation measures the relative displacement of the landslide body along drilling axis between two points, if regard as the monitoring benchmark with the following stable ground body of landslide, then can calculate the landslide and change along drilling axis displacement, this is the rationale of present landslide deep displacement monitoring, also is the utility model discloses the rationale who adopts. The utility model discloses realize the concrete principle of landslide deep displacement monitoring technique: a flexible tubular measuring device consisting of a flexible measuring tube 1, an outer-coated hose 2 and a spiral spring 3 is installed in a drill hole 5, cement mortar 4 is poured to couple the flexible measuring tube with the wall of the drill hole 5, landslide deformation can lead a device embedded in the flexible measuring tube to synchronously deform together, the flexible measuring tube 1 of the device deforms correspondingly, so that the scale of the inner wall of the flexible measuring tube can change, scale data of the inner wall of the flexible measuring tube is collected in the flexible measuring tube 1 through an image collector 6, scale value data of the flexible measuring tube at each moment is obtained, a stable rock-soil body below a landslide is taken as a monitoring reference point, displacement data of each point of the landslide along the whole drill hole axis are calculated through a data processor of a monitoring device 7 and are gradually accumulated to obtain total displacement data of different depths along the drill hole axis, and the landslide deformation displacement data after data processing are transmitted to monitoring personnel in real time through a communication module of the monitoring device, monitoring personnel can accurately master the deformation dynamic state of the landslide in real time and timely carry out landslide safety early warning.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (8)
1. A flexible tubulose measuring device for landslide deep displacement monitoring which characterized in that: including vertical drilling (5) that form on landslide (8), the bottom of drilling (5) extends to in the below stable ground body (9) of landslide (8), the vertical flexible survey pipe (1) that is equipped with scalable, bending and/distortion in drilling (5), be equipped with scale mark (102) along its length direction on the flexible survey pipe (1) inner wall, the device is still including image acquisition appearance (6) that can reciprocate in flexible survey pipe (1), image acquisition appearance (6) are connected with monitoring devices (7).
2. The flexible tubular measurement device for landslide depth displacement monitoring of claim 1, wherein: the flexible measuring tube (1) is formed by buckling a plurality of annular rings (101) in the axial direction, and the scale marks (102) are arranged on the inner wall of each annular ring (101).
3. The flexible tubular measurement device for landslide depth displacement monitoring of claim 2, wherein: the flexible survey pipe (1) overcoat is equipped with outsourcing hose (2), outsourcing hose (2) overcoat is equipped with coil spring (3), the inboard and outsourcing hose (2) contact, the outside and the contact of drilling (5) pore wall of coil spring (3), cement mortar body (4) have been pour between outsourcing hose (2) outside and drilling (5) pore wall.
4. The flexible tubular measurement device for landslide depth displacement monitoring of claim 3, wherein: ring (101) is including big ring, ringlet and reducing ring, the both ends opening of big ring, ringlet and reducing ring is the slope form and its incline direction and inclination homogeneous phase equals, the size tip of reducing ring links to each other with the ringlet, the size tip of reducing ring links to each other with big ring, the opening circumference of big ring free end inwards curls and forms big ring and collude, the opening circumference of ringlet free end outwards curls and forms the ringlet and colludes, and the ringlet free end of adjacent both rings is located that big ring free end is inboard and ringlet colludes and can collude mutually the lock joint with big ring, scale mark (102) set up on big ring and ringlet inner wall.
5. The flexible tubular measurement device for landslide depth displacement monitoring of claim 4, wherein: the utility model discloses a ring structure, including ring (101), ring (101) and ring, the ring is equipped with the axial recess that extends along its axial on the ringlet outer wall of ring (101) close to the ringlet and collude the department and be equipped with spacing arch, the big ring inner wall of ring (101) is equipped with along its axial extension's axial recess, the big ring inner wall middle part of ring is equipped with along its circumferential extension's hoop recess, the hoop recess is crossed with the axial recess, the arch slides and arranges in hoop recess or.
6. The flexible tubular measurement device for landslide depth displacement monitoring of claim 3, wherein: the ring (101) comprises a large sleeve and a small sleeve, one end of the small sleeve is connected with one end of the large sleeve, a hole for the adjacent small sleeve to pass through is formed in the middle of the free end of the large sleeve, the free end of the small sleeve extends outwards in the circumferential direction to form a limiting ring, and the scale marks are arranged on the inner walls of the small sleeve and the large sleeve.
7. The flexible tubular measurement device for landslide depth displacement monitoring of claim 6, wherein: the limiting device is characterized in that limiting salient points extending along the radial direction of the limiting ring (106) are arranged on the limiting ring, axial grooves extending along the axial direction of the limiting ring are arranged on the inner wall of the large sleeve, circumferential grooves extending along the circumferential direction of the large sleeve are arranged in the middle of the inner wall of the large sleeve, the circumferential grooves are intersected with the axial grooves, and the salient points are arranged in the circumferential grooves and the axial grooves in a sliding mode.
8. The flexible tubular measurement device for landslide depth displacement monitoring of any one of claims 1-7, wherein: image acquisition appearance (6) are including camera probe (601) and cable conductor (602) that are connected, camera probe (601) is located flexible survey pipe (1), drilling (5) drill way department is equipped with and supplies cable conductor (602) winding bobbin, monitoring devices (7) are including bobbin motor drive mechanism, data processor and communication network, data processor links to each other with cable conductor (602) and bobbin motor drive mechanism respectively, bobbin motor drive mechanism links to each other with the bobbin motor, data processor passes through communication network and links to each other with monitor terminal, monitoring devices (7) set up in drilling (5) drill way department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568198.4U CN211926746U (en) | 2020-04-16 | 2020-04-16 | Flexible tubular measuring device for monitoring deep displacement of landslide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568198.4U CN211926746U (en) | 2020-04-16 | 2020-04-16 | Flexible tubular measuring device for monitoring deep displacement of landslide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211926746U true CN211926746U (en) | 2020-11-13 |
Family
ID=73327607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020568198.4U Active CN211926746U (en) | 2020-04-16 | 2020-04-16 | Flexible tubular measuring device for monitoring deep displacement of landslide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211926746U (en) |
-
2020
- 2020-04-16 CN CN202020568198.4U patent/CN211926746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111473719A (en) | Flexible tubular measuring device for landslide deep displacement monitoring and implementation method thereof | |
| CN108413928B (en) | Soil body layering settlement monitoring system | |
| CN105442520B (en) | Side slope and dam construction phase, the first impoundment overall process stabilization monitoring system | |
| CN110207653B (en) | Soil body layered settlement and horizontal displacement composite measurement device, system and method | |
| CN105300343A (en) | Tandem type sequence segment deformation monitoring sensing device | |
| CN105301193A (en) | Seabed lateral deformation and sliding observation device and method | |
| CN108917695A (en) | A kind of array-type sensor monitoring method for deformation monitoring | |
| CN109138002B (en) | Fixed inclinometer and inclination measuring method thereof | |
| CN106871836A (en) | A kind of slope displacement automatic monitoring device and its application method | |
| CN106759545A (en) | A kind of recoverable lateral displacement test system in parallel | |
| CN102839693A (en) | Anchor quality monitoring device for increased resistance deformation anchor bolts/ropes and application method | |
| CN105606278A (en) | Drill hole monitoring probing rod for surrounding rock stress field | |
| CN105041298A (en) | Device and method for wirelessly positioning depths of strings in real time during coiled tubing operation | |
| CN110319862A (en) | A kind of helical structure device for distributing optical fiber sensing in civil engineering | |
| CN108560525B (en) | Side slope protection monitoring devices's benchmark detects structure | |
| CN205209475U (en) | Serial -type sequence festival section deformation monitoring sensing device | |
| CN211926746U (en) | Flexible tubular measuring device for monitoring deep displacement of landslide | |
| CN106638727A (en) | Device for real-time sensation of deep foundation pit and disease examination | |
| CN216588496U (en) | Positioning and guiding device for petroleum logging instrument | |
| CN110345909A (en) | A kind of full-automatic mechanical-type intelligence laminated settlement meter | |
| CN106638728A (en) | Method for sensing and checking danger of deep foundation pit in real time | |
| CN211291851U (en) | Shield tunnel soil body earthquake liquefaction real-time monitoring system | |
| CN117523787A (en) | Landslide safety monitoring system and early warning method thereof | |
| CN109577386B (en) | Fixing device of inclinometer pipe | |
| CN209727899U (en) | A kind of discarded vertical gas boring and surveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |