CN113932760A - Rock-fill dam internal deformation monitoring pipeline device and system - Google Patents
Rock-fill dam internal deformation monitoring pipeline device and system Download PDFInfo
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- CN113932760A CN113932760A CN202111053776.6A CN202111053776A CN113932760A CN 113932760 A CN113932760 A CN 113932760A CN 202111053776 A CN202111053776 A CN 202111053776A CN 113932760 A CN113932760 A CN 113932760A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
- G01M5/0058—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems of elongated objects, e.g. pipes, masts, towers or railways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pipeline Systems (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a rock-fill dam internal deformation monitoring pipeline device and a system, which are used for being arranged in a monitoring groove in a rock-fill dam, and comprise: the monitoring pipelines are arranged in the monitoring grooves in an end-to-end manner; the pipe sleeve is sleeved between the adjacent monitoring pipelines and used for fixing the two adjacent monitoring pipelines; and the pipe clamp assemblies are arranged at two ends of a channel formed by the monitoring pipelines. An observation channel is provided for the measuring robot, and the deformation data of the continuity in the rock-fill dam can be obtained.
Description
Technical Field
The invention relates to the technical field of dam safety monitoring and measurement, in particular to a rockfill dam internal deformation monitoring pipeline device and system.
Background
The rock-fill dam is an important dam type, in recent years, the construction result of the rock-fill dam in China is remarkable, a batch of symbolic projects are built, and if the deformation index of the rock-fill dam can be continuously and precisely observed, the rock-fill dam is very important for ensuring the safety of the rock-fill dam body.
The measurement mode of the existing rock-fill dam internal deformation detection instrument is usually a 'point type' measurement mode, and the measurement mode can only obtain 'point type' measurement data and cannot obtain continuous deformation data, namely, the internal deformation condition of the dam cannot be accurately and completely reflected. At present, a measuring robot can acquire continuous deformation data, but an observation channel needs to be provided for the measuring robot, that is, a detection pipeline needs to be connected into a whole, so that the measuring robot can move back and forth in the smooth observation channel.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a rock-fill dam internal deformation monitoring pipeline device and a rock-fill dam internal deformation monitoring pipeline system, which provide an observation channel for a measuring robot and ensure that the deformation data of the internal continuity of the rock-fill dam is obtained.
The technical scheme of the invention is as follows:
the utility model provides an inside deformation monitoring pipe means of rock-fill dam for set up in the inside monitoring ditch inslot of rock-fill dam, include:
the monitoring pipelines are arranged in the monitoring grooves in an end-to-end manner;
the pipe sleeve is sleeved between the adjacent monitoring pipelines and used for fixing the two adjacent monitoring pipelines;
and the pipe clamp assemblies are arranged at two ends of a channel formed by the monitoring pipelines.
Further, the inside deformation monitoring pipe installation of rock-fill dam still includes:
and the welding auxiliary assembly is connected with two adjacent monitoring pipelines.
Further, the welding assistance assembly includes:
the pipe hoop, the pipe hoop sets up the pipe box both sides on the monitoring pipeline, the pipe hoop both ends are provided with the retaining member, two the pipe hoop passes through the retaining member is connected.
Furthermore, a fixing piece is further arranged on the pipe hoop, and a threaded through hole is formed in the fixing piece in the axial direction of the monitoring pipeline;
the welding auxiliary assembly further comprises a lead screw, and the lead screw is connected to the threaded through holes in the welding auxiliary assembly located on two sides of the pipe sleeve.
Further, the tube clamp assembly includes:
one end of the pipe barrel is connected to the monitoring pipeline, and the other end of the pipe barrel is provided with an annular boss;
the blocking piece is arranged on the annular boss and used for blocking a channel formed by the monitoring pipeline;
one end of the bending piece is arranged above the annular boss along the vertical direction, the other end of the bending piece extends towards the pipe barrel direction, and a prism is arranged on the bending piece;
the anchoring rod is arranged on the annular boss along the circumferential direction of the annular boss, and the pipe clamp assembly is connected to the dam body of the rock-fill dam through the anchoring rod.
Further, the pipe sleeve is welded to the adjacent monitoring pipeline;
the pipe sleeve is provided with welding jacks, and the pipe sleeve is welded on the two monitoring pipelines through the welding jacks.
Further, the monitoring pipeline is a high-density polyethylene pipe.
Further, the diameter of the monitoring pipeline is larger than the height of the pipeline measuring robot.
Further, the length of each monitoring pipeline is 1 m.
A rock-fill dam internal deformation monitoring piping system comprising: the internal deformation monitoring pipeline device of the rock-fill dam is characterized in that a pipeline is arranged in the rock-fill dam;
a measurement robot that reciprocates within the monitoring plumbing fixture.
The beneficial effect of this scheme: according to the rock-fill dam internal deformation monitoring pipeline device and the rock-fill dam internal deformation monitoring pipeline system, the plurality of monitoring pipelines are arranged in an end-to-end connection mode, the pipe sleeve is sleeved between every two adjacent monitoring pipelines, the pipe clamp assembly is arranged at the tail end of each monitoring pipeline device, the integral monitoring pipeline devices are finally placed in the monitoring grooves, the detection pipelines are connected into a smooth whole, an observation channel is provided for a measurement robot, and the fact that continuous deformation data in the interior of the rock-fill dam are obtained is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a rock-fill dam internal deformation monitoring pipeline device according to an embodiment of the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a monitoring pipe and a pipe sleeve of the device for monitoring deformation inside a rock-fill dam according to the embodiment of the invention after welding;
FIG. 4 is a schematic view of a pipe clamp assembly of the pipe clamp device for monitoring deformation inside a rock-fill dam according to an embodiment of the present invention;
the reference numbers in the figures: 100. monitoring the pipeline; 200. pipe sleeve; 210. welding the jack; 220. a first boss; 300. a pipe clamp assembly; 310. a tube barrel; 320. an annular boss; 330. a baffle plate; 340. bending a piece; 350. an anchoring rod; 360. a prism; 400. welding an auxiliary assembly; 410. a pipe hoop; 420. a locking member; 430. a fixing member; 440. and a lead screw.
Detailed Description
The invention provides a rock-fill dam internal deformation monitoring pipeline device and a rock-fill dam internal deformation monitoring pipeline system, and in order to make the purpose, the technical scheme and the effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The rock-fill dam is an important dam type, in recent years, the construction result of the rock-fill dam in China is remarkable, a batch of symbolic projects are built, and if the deformation index of the rock-fill dam can be continuously and precisely observed, the rock-fill dam is very important for ensuring the safety of the rock-fill dam body. The measurement mode of the existing rock-fill dam internal deformation detection instrument is usually a 'point type' measurement mode, and the measurement mode can only obtain 'point type' measurement data and cannot obtain continuous deformation data, namely, the internal deformation condition of the dam cannot be accurately and completely reflected. At present, a measuring robot can acquire continuous deformation data, but an observation channel needs to be provided for the measuring robot, that is, a detection pipeline needs to be connected into a whole, so that the measuring robot can move back and forth in the smooth observation channel.
In order to solve the above problem, an embodiment of the present invention provides a pipeline device for monitoring internal deformation of a rock-fill dam, which is arranged in a monitoring groove inside the rock-fill dam, and specifically, as shown in fig. 1, 2 and 4, the pipeline device for monitoring internal deformation of a rock-fill dam includes: a pipeline 100, a pipe sleeve 200 and a pipe clamp assembly 300 are monitored. It is a plurality of monitoring pipeline 100 end to end sets up monitoring ditch inslot, pipe box 200 cover is established adjacently between the monitoring pipeline 100 to be used for fixed adjacent two monitoring pipeline 100, pipe strap subassembly 300 sets up a plurality of the both ends of the passageway that the monitoring pipeline formed, and be connected to monitoring pipeline 100, pipe strap subassembly 300 is used for retraining the measuring robot, guarantees that it is in the round trip starting point of monitoring pipe installation internal motion is unanimous. Through the arrangement, the pipe sleeves 200 respectively connect the monitoring pipelines 100, and the pipe clamp assemblies 300 are arranged at two ends of the monitoring pipeline device, so that the detection pipelines are connected into a whole, a measuring robot can move back and forth in the monitoring pipeline device smoothly, the rock-fill dam is helped to acquire continuous deformation data, and the safety of the dam body is ensured.
In the above scheme, it is a plurality of through setting up monitoring pipeline 100 meets end to end, and will pipe box 200 cover is established every two adjacent between the monitoring pipeline 100, and monitoring pipeline device's end sets up pipe strap subassembly 300, finally will be holistic monitoring pipeline device places in the monitoring slot, will the detection pipe connection is a level and smooth whole, provides the observation passageway for measuring robot, guarantees to acquire the deformation data of the inside continuity of rock-fill dam.
As shown in fig. 2, in an embodiment of the present invention, the rock-fill dam internal deformation monitoring pipe device further includes: the welding auxiliary assembly 400 is sleeved on the monitoring pipelines 100 at two sides of the pipe sleeve 200, and the welding auxiliary assembly 400 is used for assisting the connection of every two adjacent monitoring pipelines 100 below the pipe sleeve 200. The welding auxiliary assembly 400 is beneficial to welding the monitoring pipelines 100, and can ensure that when the monitoring pipelines 100 are butted, seams and staggered platforms between the monitoring pipelines 100 are as small as possible, and the internal channels of the monitoring pipeline device are smooth.
Specifically, the welding assistance assembly 400 includes: and the pipe clamp 410 is arranged on the monitoring pipeline 100 at two sides of the pipe sleeve 200, locking pieces 420 are arranged at two ends of the pipe clamp 410, and the two pipe clamps 410 are connected through the locking pieces 420. Specifically, the pipe clamp 410 is semicircular, a through hole is formed in the locking member 420, and a bolt can be used to pass through the through hole to connect the locking member 420, so that the two pipe clamps 410 are connected and sleeved on the monitoring pipe 100.
Specifically, still be provided with mounting 430 on the ferrule 410, mounting 430 orientation monitoring pipeline 100 axial is provided with the screw through-hole, welding auxiliary assembly 400 still includes lead screw 440, lead screw 440 connect in being located the pipe box 200 both sides welding auxiliary assembly 400 is last the screw through-hole, lead screw 440 with the mounting 430 junction deviates from one side of pipe box 200 still is provided with fastening nut, fastening nut can be with whole monitoring pipe device internal connection is inseparabler, guarantees monitoring pipe device's compactness. Specifically, two fixing members 430 are disposed on one pipe clamp 410, and in order to ensure uniform stress, the two fixing members 430 are disposed on the pipe clamp 410 and spaced from the locking members 420 at two ends of the pipe clamp 410 by 60 degrees, respectively. Correspondingly, four fixing members 430 are disposed on one welding auxiliary assembly 400, that is, four lead screws 440 are disposed between every two monitoring pipes 100.
As shown in fig. 2 and 3, in an embodiment of the present invention, the pipe sleeve 200 is welded to two adjacent monitoring pipes 100, a welding socket 210 is disposed on the pipe sleeve 200, a welding head is disposed in the welding socket 210, and the pipe sleeve 200 is welded to the two monitoring pipes 100 by connecting the welding head through the welding socket 210. Thereby ensuring that the pipe sleeve 200 is tightly connected with the two monitoring pipelines 100 and the two monitoring pipelines 100 are connected without seams and faults, and ensuring the trafficability of the measuring robot in the pipelines. The pipe sleeve 200 is an electric hot melting pipe sleeve 200, a heating resistance wire is arranged in the pipe sleeve 200 and connected with an output connector of a welding machine, welding can be automatically completed, and the operation is simple. First bosses 220 are further provided at both sides of the pipe sleeve 200, and the first bosses 220 increase a contact area of the pipe sleeve 200 with the monitoring pipe 100 and also increase a welding area.
Specifically, in order to ensure that the monitoring pipeline device can withstand the strong shearing force applied to the monitoring pipeline 100 in the radial direction when the rock-fill dam is settled, that is, ensure that the monitoring pipeline 100 does not radially deform when the rock-fill dam is settled, the monitoring pipeline 100 must have sufficient rigidity in the radial direction, and meanwhile, the monitoring pipeline 100 should have certain flexibility in the axial direction, so as to ensure that the monitoring pipeline 100 cannot be broken or severely deform due to the shearing force and the pressure, and can deform along with the deformation of the dam. By combining the above compression and deformation characteristics, the monitoring pipeline 100 may be a high density polyethylene pipe. Taking the pipeline measuring robot standing on the ground as an example, taking the maximum size (length or width) of the pipeline measuring robot as the height of the pipeline measuring robot, in order to ensure that the measuring robot can smoothly pass through, the diameter of the monitoring pipeline 100 should be as small as possible while being greater than the height of the pipeline measuring robot.
For convenience of transportation, the monitoring pipelines 100 are generally transported in sections, and then are thermally welded according to the factory labeling sequence, the length of each monitoring pipeline 100 can be set to 1m, and is not limited to 1m, and the requirements of section transportation and normal connection in the monitoring groove can be met. After the pipeline is transported to a construction site, the pipeline is sequentially welded to form the communicated monitoring pipeline 100.
As shown in fig. 4, in a specific embodiment of the present invention, the pipe clamp assembly 300 includes: a barrel 310, a baffle 330, a bending piece 340 and an anchoring rod 350. The pipe barrel 310 is connected to the monitoring pipe 100 at one end and provided with an annular boss 320 at the other end. Separation blade 330 sets up on the annular boss 320, and be used for fixing measuring robot's initial motion position shelters from in the monitoring pipeline 100 the passageway that monitoring pipeline 100 formed, separation blade 330 accessible screw can dismantle connect in annular boss 320, separation blade 330 takes off when putting into measuring robot in the pipeline, puts into and screws up the screw behind the measuring robot, guarantees to measure pipeline robot at the in-process of motion, and the initial position that makes a round trip is unanimous. The piece 340 one end of bending sets up along vertical direction the top of annular boss 320, the other end orientation the pipe bucket 310 direction extends, the piece 340 top of bending still is provided with prism 360, prism 360 specifically is L shape small prism 360 for the mouth of pipe control point of pipe strap subassembly 300 is measured, also is the measurement the absolute position of pipe strap subassembly 300, also be the specific longitude and latitude of pipe strap subassembly 300, at last with the longitude and latitude of pipe strap subassembly 300 is divided into the uniform coordinate system, is convenient for calculate the specific position of pipe strap subassembly 300. The anchoring rod 350 is arranged on the annular boss 320 along the circumferential direction of the annular boss 320, the pipe clamp assembly 300 is connected to the rock-fill dam body through the anchoring rod 350, and meanwhile, the anchoring rod 350 is fixed on the rock-fill dam body and is also used for guaranteeing the level of the top end of the bending piece 340, so that the horizontal installation of the prism 360 is guaranteed.
Specifically, the both ends mouth of pipe of monitoring pipe device is provided with the observation room to place the both ends mouth of pipe in observing the room, it is corresponding, pipe strap subassembly 300 also sets up in the observation room of rock-fill dam, has done benefit to monitoring pipe device's protection also is convenient for carry out the inside monitoring and the management of warping of rock-fill dam
The invention also provides a rock-fill dam internal deformation monitoring pipeline system, which comprises: the rock-fill dam internal deformation monitoring pipeline device and the measuring robot are described above. The measuring robot moves back and forth in the monitoring pipeline device to provide continuous detection data for the rock-fill dam, and the safety of the rock-fill dam is guaranteed.
In a specific embodiment, in order to verify the section rigidity of the monitoring pipeline, a rolling test is first performed on the monitoring pipeline, and a rolling machine can be used for rolling. Firstly, burying the monitoring pipeline in a monitoring groove in the rock-fill dam, backfilling a sand layer, compacting the sand layer, opening a vibration roller by using a roller, and rolling back and forth; then, digging out the monitoring pipeline, and checking whether the section of the monitoring pipeline is severely deformed or not; dragging the first pipeline to reciprocate in the monitoring pipeline by using a first pipeline with the outer diameter consistent with the inner diameter of the monitoring pipeline; and finally, checking whether the section of the monitoring pipeline can be severely deformed. For the condition of larger shear impact, the monitoring pipeline can meet the requirement by measures of increasing the pipe wall thickness of the monitoring pipeline, wrapping thicker fine sand outside the monitoring pipeline and the like.
Specifically, a plurality of monitoring pipelines are sequentially placed in monitoring grooves in the rock-fill dam, the pipe orifice of each monitoring pipeline is polished, the pipe sleeve is sleeved between the pipe orifices of every two adjacent monitoring pipelines, the pipe sleeve is a hot-melting pipe sleeve, so that the two adjacent monitoring pipelines are in butt joint in the pipe sleeve, a resistance wire is arranged in the pipe sleeve, then the welding auxiliary assembly is arranged, pipe hoops are fixedly arranged at the pipe orifices at two ends of each monitoring pipeline respectively, the pipe hoops are connected through lead screws, then screws are simultaneously screwed on two sides of the welding auxiliary assembly, so that the monitoring pipeline interfaces are tightly attached, the threads of the four lead screws are simultaneously adjusted, the monitored pipe orifices are aligned to avoid wrong platforms, and meanwhile, equipment such as a camera, an endoscope and the like is arranged to go deep into the monitoring pipelines to check the conditions of seams and wrong platforms, and feeding back and adjusting the lead screw in time until the lead screw is leveled and aligned. And then a hot-melting welder output connector is connected to the welding head in the welding inserting hole of the pipe sleeve, the pipe sleeve is electrified and heated, the adjacent monitoring pipeline and the hot-melting pipe sleeve are automatically welded, and the heating is completed, so that the power is automatically cut off. Finally, placing and cooling the welding head to wait for the welding head to be solidified and molded;
specifically, after all the monitoring pipelines are welded, the monitoring pipelines are communicated into a whole, and are hung in the monitoring grooves. Will the both ends mouth of pipe of monitoring pipe installation stretches into respectively in the observation room to install respectively at both ends mouth of pipe position the pipe strap subassembly is guaranteed the pipe strap subassembly the pipe barrel external diameter with the internal diameter of detection pipeline is unanimous, will during the installation the pipe barrel pushes away in the detection pipeline, then will the anchor pole fastening is on rock-fill dam body, guarantees the level of bending, in order to guarantee the prism can horizontal installation, the separation blade is taken off when putting into the pipeline measurement robot, puts into and screws up after the pipeline measurement robot, can guarantee that the pipeline measurement robot is in the back and forth motion in-process, and the start and end position that makes a round trip is unanimous.
In summary, according to the deformation monitoring pipeline device and system in the rock-fill dam provided by the invention, the plurality of monitoring pipelines are arranged in an end-to-end connection manner, the pipe sleeve is sleeved between every two adjacent monitoring pipelines, the pipe clamp component is arranged at the tail end of the monitoring pipeline device, the integral monitoring pipeline device is finally placed in the monitoring groove, the detection pipelines are connected into a smooth whole, an observation channel is provided for a measurement robot, and the continuous deformation data in the rock-fill dam is ensured to be obtained.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an inside deformation monitoring pipe means of rock-fill dam for set up in the inside monitoring ditch inslot of rock-fill dam, its characterized in that includes:
the monitoring pipelines are arranged in the monitoring grooves in an end-to-end manner;
the pipe sleeve is sleeved between the adjacent monitoring pipelines and used for fixing the two adjacent monitoring pipelines;
and the pipe clamp assemblies are arranged at two ends of a channel formed by the monitoring pipelines.
2. The apparatus of claim 1, further comprising:
and the welding auxiliary assembly is connected with two adjacent monitoring pipelines.
3. The apparatus of claim 2, wherein the welding assistance assembly comprises:
the pipe hoop, the pipe hoop sets up the pipe box both sides on the monitoring pipeline, the pipe hoop both ends are provided with the retaining member, two the pipe hoop passes through the retaining member is connected.
4. The device as claimed in claim 3, wherein the pipe hoop is further provided with a fixing member, and the fixing member is provided with a threaded through hole axially facing the monitoring pipe;
the welding auxiliary assembly further comprises a lead screw, and the lead screw is connected to the threaded through holes in the welding auxiliary assembly located on two sides of the pipe sleeve.
5. The apparatus of claim 1, wherein the pipe clamp assembly comprises:
one end of the pipe barrel is connected to the monitoring pipeline, and the other end of the pipe barrel is provided with an annular boss;
the blocking piece is arranged on the annular boss and used for blocking a channel formed by the monitoring pipeline;
one end of the bending piece is arranged above the annular boss along the vertical direction, the other end of the bending piece extends towards the pipe barrel direction, and a prism is arranged on the bending piece;
the anchoring rod is arranged on the annular boss along the circumferential direction of the annular boss, and the pipe clamp assembly is connected to the dam body of the rock-fill dam through the anchoring rod.
6. The apparatus of claim 1, wherein the pipe sleeve is welded to the adjacent monitoring pipe;
the pipe sleeve is provided with welding jacks, and the pipe sleeve is welded on the two monitoring pipelines through the welding jacks.
7. The apparatus of claim 1, wherein the monitoring pipe is a high density polyethylene pipe.
8. The apparatus of claim 1, wherein the diameter of the monitoring pipe is larger than the height of the pipe measuring robot.
9. The apparatus of claim 1, wherein each of the monitoring pipes has a length of 1 m.
10. The utility model provides an inside deformation monitoring pipe-line system of rock-fill dam which characterized in that includes: an internal rock-fill dam deformation monitoring pipe arrangement as claimed in any one of claims 1 to 9;
a measurement robot that reciprocates within the monitoring plumbing fixture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111053776.6A CN113932760B (en) | 2021-09-07 | 2021-09-07 | Rock-fill dam internal deformation monitoring pipeline device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053776.6A CN113932760B (en) | 2021-09-07 | 2021-09-07 | Rock-fill dam internal deformation monitoring pipeline device and system |
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| CN113932760A true CN113932760A (en) | 2022-01-14 |
| CN113932760B CN113932760B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146791A (en) * | 2023-04-19 | 2023-05-23 | 法耳茨建筑科技(常州)有限公司 | Building water supply and drainage pipeline anti-seismic bracket and application method thereof |
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| JP2008240943A (en) * | 2007-03-28 | 2008-10-09 | Mesco Inc | Coupling connection tool |
| CN102061883A (en) * | 2009-11-16 | 2011-05-18 | 淮南矿业(集团)有限责任公司 | Eccentric wheel clamp and method for running casing in drill hole of mine |
| CN109059845A (en) * | 2018-06-29 | 2018-12-21 | 深圳大学 | A kind of rock internal distortions monitoring method and monitoring system |
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| CN1560566A (en) * | 2004-03-01 | 2005-01-05 | 水利部交通部电力工业部南京水利科学 | Electrical measuring horizontal displacement meter |
| JP2007040443A (en) * | 2005-08-04 | 2007-02-15 | Mesco Inc | Joint construction of plastic pipe |
| JP2008240943A (en) * | 2007-03-28 | 2008-10-09 | Mesco Inc | Coupling connection tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116146791A (en) * | 2023-04-19 | 2023-05-23 | 法耳茨建筑科技(常州)有限公司 | Building water supply and drainage pipeline anti-seismic bracket and application method thereof |
| CN116146791B (en) * | 2023-04-19 | 2023-06-23 | 法耳茨建筑科技(常州)有限公司 | Building water supply and drainage pipeline anti-seismic bracket and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN113932760B (en) | 2023-08-22 |
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