CN114370857B - Shield tunnel segment floating monitoring equipment, monitoring system and monitoring method - Google Patents
Shield tunnel segment floating monitoring equipment, monitoring system and monitoring method Download PDFInfo
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- CN114370857B CN114370857B CN202111386117.4A CN202111386117A CN114370857B CN 114370857 B CN114370857 B CN 114370857B CN 202111386117 A CN202111386117 A CN 202111386117A CN 114370857 B CN114370857 B CN 114370857B
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- 238000007667 floating Methods 0.000 title claims abstract description 88
- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 176
- 238000012806 monitoring device Methods 0.000 claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000005192 partition Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000002528 anti-freeze Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention provides shield tunnel segment floating monitoring equipment, a monitoring system and a monitoring method. The liquid level sensor is arranged in each floating monitoring device and used for detecting and monitoring the liquid level of liquid, the wireless sensing nodes are connected with the liquid level sensor, the plurality of wireless transmission nodes are in communication connection with the data acquisition nodes, and the plurality of data acquisition nodes are in communication connection with the monitoring terminal through the communication equipment. The invention provides a complete, efficient, convenient and automatic monitoring device and a monitoring method, which do not need to be in a visual condition, can carry out high-precision, real-time and continuous monitoring on the multi-ring duct piece and automatically transmit record and early warning, and play a positive role in solving the duct piece floating law and monitoring early warning in the construction and operation of a shield tunnel.
Description
Technical Field
The invention relates to the field of shield tunnel segment monitoring, in particular to shield tunnel segment floating monitoring equipment, a monitoring system and a monitoring method.
Background
In the shield tunnel construction process, the pipe pieces assembled into the ring often float up, so that the pipe pieces are damaged locally, cracked, permeated water and other diseases, and the safety during construction and operation is seriously threatened. However, the reason for floating the pipe piece is various, and the floating movement process of the pipe piece in the construction or operation process lacks a real-time and continuous monitoring method, so that the pipe piece floating phenomenon cannot be effectively monitored and timely treatment measures can not be taken at present.
The main means for monitoring the floating of the shield tunnel segment at the present stage is to monitor by using a level gauge or a total station, but the method has higher requirements on the viewing conditions, and the method can not monitor the movement condition of the shield tail segment in real time due to the shielding of accessory equipment of the shield machine and the obstruction of running vehicles. And for long-distance and curve shield tunnels, the total station is adopted to monitor, which is often required to be high Cheng Chuandi for many times, larger errors can occur, and the operation process is extremely dependent on manpower, time and labor are wasted, the efficiency is low, the whole floating process of shield tunnel segments cannot be reflected, and the rapid and high-quality development requirements of tunnel and underground engineering, especially urban rail transit construction, cannot be met.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a set of complete, efficient, convenient and automatic monitoring device and a monitoring method, which do not need to be in a visual condition, can carry out high-precision, real-time and continuous monitoring on the multi-ring pipe segment and automatically transmit record and early warning, and play a positive role in solving the pipe segment floating law and monitoring early warning in the construction and operation of the shield tunnel.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a shield tunnel section of jurisdiction come-up monitoring facilities, is including being used for setting up at the benchmark water tank of firm reference position, being used for setting up come-up monitoring devices and coupling hose on waiting to monitor the section of jurisdiction, the benchmark water tank includes liquid reserve tank and benchmark liquid level case, liquid reserve tank intercommunication liquid source and for the benchmark liquid level case provides monitoring liquid, benchmark liquid level case and a plurality of come-up monitoring devices pass through coupling hose series connection intercommunication.
Based on the above, the reference water tank comprises a tank body and a top protecting cover, wherein the tank body comprises a bottom plate and a transparent side plate, and a partition plate for dividing the tank body into a liquid storage tank and a reference liquid level tank is arranged in the tank body; the lower part of one side of the reference liquid level box is communicated with the floating monitoring device.
Based on the above, a liquid pump is arranged in the reference liquid level box, and the reference liquid level box is communicated with the liquid storage box through the liquid pump.
Based on the above, a liquid level adjusting plate is arranged in the middle of the partition plate.
Based on the above, the floating monitoring device comprises a transparent liquid level meter and a liquid level sensor, a liquid level pipe is vertically arranged in the middle of the transparent liquid level meter, a liquid level marking is arranged on the liquid level pipe, the top of the liquid level pipe is provided with the liquid level sensor, extension pipes communicated with the liquid level pipe are respectively arranged on two sides of the bottom of the liquid level pipe, and the extension pipes are used for communicating adjacent liquid level pipes or reference liquid level boxes.
Based on the above, the floating monitoring device further comprises a protection box, a transparent panel is arranged on a side panel of the protection box, the transparent liquid level meter and the liquid level sensor are arranged in the protection box, and the extension pipe penetrates out of the protection box.
Based on the above, the upper parts of the two sides of the protection box and the upper part of one side of the liquid level pipe are respectively provided with a communication hole, and the lower part of one side of the protection box is provided with a liquid outlet.
Based on the above, the monitoring liquid is a colored antifreeze solution.
A monitoring system using the shield tunnel segment floating monitoring device according to any one of claims 1 to 8, comprising a liquid level sensor, wireless sensing nodes, data acquisition nodes, communication devices and monitoring terminals, wherein the liquid level sensor is arranged in each floating monitoring device and is used for detecting the liquid level of monitoring liquid, the wireless sensing nodes are connected with the liquid level sensor, a plurality of wireless transmission nodes are in communication connection with the data acquisition nodes, and a plurality of data acquisition nodes are in communication connection with the monitoring terminals through the communication devices.
A monitoring method using the shield tunnel segment floating monitoring system of claim 9:
a reference water tank 1 is arranged at the reference point, and all the segments to be detected are respectively provided with an upward-floating monitoring device;
The reference water tank and all the floating monitoring devices are sequentially connected in series through a connecting hose, and colored antifreeze is poured into the reference water tank to discharge all the air in the middle;
After the liquid level sensor detects the liquid level in all the floating monitoring devices and is used as the initial water level h 1 of the measuring point, the liquid level sensor measures the water level corresponding to the liquid level in all the floating monitoring devices in real time after the pipe piece floats/sinks, and the water level h 2 is used as the floating/sinking water level h 2 of the measuring point, and the floating/sinking amount is as follows:
ΔH＝h2-h1
The floating/sinking speed of the pipe sheet is
The dislocation quantity between the segments is
L＝ΔH1-ΔH2
Where Δh 1 is the float/sink of one ring and Δh 2 is the float/sink of an adjacent ring.
Compared with the prior art, the invention has the following advantages:
(1) The reference water tank, the connecting hose and the floating monitoring device are sequentially connected in series, so that the whole system is filled with liquid, and the fluency of liquid transmission is ensured; the device is simple to install, low in cost, capable of greatly reducing the labor intensity of measuring staff and improving the practicability of engineering application;
(2) The problem that the traditional total station or level gauge measurement has high requirement on the vision is solved, the influence of the shield construction process is avoided, and the construction progress is not hindered; in addition, the layout condition is not affected by the line type of the tunnel, and the method can be used for monitoring in a straight line section and is also suitable for a turning section;
(3) The automatic monitoring device for the pipe piece floating is internally provided with the colored antifreeze fluid, so that the liquid and the external environment can generate obvious chromatic aberration when the bubble point in the device is discharged, the identification degree is improved, and the investigation efficiency is improved;
(4) The multi-ring segment can be monitored in real time and continuously with high precision, the whole process monitoring from construction to operation of the segment is realized, the transmission and the early warning are recorded automatically, and positive effects are played on segment floating rules and monitoring early warning in shield tunnel construction and operation;
(5) The monitoring principle is simple and reliable, the popularization is easy, and the device has stronger adaptability to severe construction environments.
The reference water tank liquid level height can be flexibly and conveniently adjusted through the water tank partition plate and the liquid level adjusting plate according to requirements.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic rear side structure of the present invention.
Fig. 3 is a schematic structural view of the reference water tank of the present invention.
Fig. 4 is a schematic top view of the reference water tank of the present invention.
Fig. 5 is a schematic view of the structure of the top cover of the reference tank of the present invention.
Fig. 6 is a schematic view of the structure of the liquid level adjusting plate and the water tank partition plate of the present invention.
Fig. 7 is a schematic structural diagram of the floating monitoring device of the present invention.
Fig. 8 is a schematic view of the rear structure of the floating monitoring device of the present invention.
Fig. 9 is a schematic diagram of the liquid pump of the present invention.
Fig. 10 is a schematic view of the structure of the liquid level sensor of the present invention.
Fig. 11 is a schematic diagram of the structure of the monitoring system of the present invention.
Fig. 12 is a schematic structural diagram of a wireless sensor node of the present invention.
Reference numerals illustrate: 1. a reference water tank; 2. a floating monitoring device; 3. a connecting hose; 1-1, a steel bottom plate; 1-2, side plates; 1-3, protecting cover; 1-4, a separator; 1-5, a reference liquid level box; 1-6, a liquid storage tank; 1-7, a liquid level regulating plate; 1-8, a liquid pump; 1-9, a water tank valve; 2-1, a transparent panel; 2-2, protecting the box; 2-3, opening holes of the protection box; 2-4, a liquid level meter; 2-5, a liquid level pipe; 2-6, opening a liquid level pipe; 2-7, a liquid level sensor; 2-8, extending the pipe; 2-9, monitoring a device valve; 2-10, a liquid outlet.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, but the present invention is not limited to these examples.
As shown in fig. 1 to 12, a first object of the present invention is to provide a shield tunnel segment floating monitoring device based on a reference liquid level, which specifically includes a reference water tank 1, a floating monitoring device 2 and a connection hose 3.
The reference water tank 1 is arranged at a position where the floating of the pipe piece is stable or does not occur, and comprises a steel bottom plate 1-1, an acrylic panel 1-2 and a steel protective cover 1-3. The inside of the reference water tank 1 is divided into a reference liquid level tank 1-5 and a liquid storage tank 1-6 by a water tank partition board 1-4, a matched liquid level adjusting board 1-7 is arranged in the middle of the water tank partition board 1-4, and the small liquid pump can pump antifreeze liquid from the liquid storage tank 1-6 to the reference liquid level tank 1-5. The reference liquid level box 1-5 automatically flows back to the liquid storage box 1-6 after reaching the liquid level set by the regulating plate 1-7, and an opening is arranged above the steel protecting cover 1-3 and communicated with the atmosphere, so that the reference liquid level is always kept unchanged. The lower side of the water tank is provided with a water tank valve 1-9 which is connected with a connecting hose 3.
The plurality of duct piece floating monitoring devices 2 are respectively fixed on the inner walls of the duct pieces. The floating monitoring device 2 comprises armor consisting of a transparent acrylic panel 2-1 and a steel protection box 2-2 so as to ensure that the transparent acrylic liquid level meter 2-4 and the high-precision liquid level sensor 2-7 at the inner side are not damaged; three protection box openings 2-3 are respectively arranged on the side surface of the steel protection box 2-2 and are used as communication holes to be communicated with the atmosphere, and the lower side of the back surface of the steel protection box is provided with a protection box liquid outlet 2-10 for discharging overflowed antifreezing solution.
Further, a liquid level pipe 2-5 is arranged in the middle of the transparent acrylic liquid level meter 2-4, antifreeze in the pipe can display the liquid level height of the floating monitoring device 2, a liquid level pipe opening 2-6 is arranged at the left upper part of the liquid level pipe 2-5 and is used as a communication hole to be communicated with the atmosphere, a high-precision liquid level sensor 2-7 is arranged right above the liquid level pipe and can automatically read and transmit liquid level height data, and the lower part of the liquid level pipe 2-5 is communicated with an extension pipe 2-8 of the liquid level meter. Two sides of the floating monitoring device 2 are respectively provided with a monitor valve 2-9, and a continuous communicating vessel series structure is formed in sequence.
The extension pipes 2-8 are connected with the monitor valves 2-9 on both sides of the protection box and then connected with the connecting hose 3, and the valves of the last floating monitoring device 2 are in a closed state, so that the reference water tank 1, each floating monitoring device 2 and the connecting hose 3 are filled with antifreeze.
The liquid in the reference water tank 1 and the floating monitoring device 2 is antifreeze with color, and the air in the connecting hose 3 is required to be discharged completely, so that the reference water tank 1 and the floating monitoring device 2 are connected into a whole.
The monitoring system also comprises a wireless sensing node, a data acquisition node, communication equipment and a monitoring terminal. The wireless sensing node is arranged in the high-precision liquid level sensor 2-7 and comprises a sensor module, a processor module and a power management module. The wireless sensor node sends the automatically collected data to the data collection node in real time in a wireless transmission mode. And the data acquisition node transmits data to the monitoring terminal through the communication equipment, and if the data exceeds the warning threshold value, the monitoring terminal automatically sends out early warning information. The data acquisition system monitors the floating change rule of the shield segment in real time by acquiring the change data of the high-precision liquid level sensor 2-7.
The floating monitoring device 2 and the high-precision liquid level sensor 2-7 are numbered, and when the liquid level in the liquid level pipe changes, the high-precision liquid level sensor 2-7 acquires the liquid level change and sends the liquid level change to the data acquisition system.
The second object of the present invention is to provide a segment floating monitoring method, which uses the segment floating monitoring device as described above, comprising the following steps:
the reference water tank 1 is installed at the reference point (the position where the floating of the pipe piece is stable or does not occur), and the floating monitoring device 2 is installed at all pipe pieces to be tested respectively.
The reference water tank 1 and all the floating monitoring devices 2 are sequentially connected in series through the connecting hose 3, and the colored antifreeze is poured into the reference water tank to discharge all the air in the middle.
After the liquid level is stable, the liquid level in all the floating monitoring devices 2 is measured through a liquid level sensor, the initial water level h 1 of the measuring point is used, and after the pipe piece floats (or sinks), the water level corresponding to the liquid level in all the floating monitoring devices 2 is measured in real time through the liquid level sensor, and the water level is used as the floating/sinking water level h 2 of the measuring point. Then there are:
ΔH＝h2-h1
As can be seen from the formula, the floating change condition of each monitoring segment can be calculated as long as the height change of the liquid level in each measuring tube can be monitored in real time. If the calculation result is positive, indicating that the monitoring segment descends by delta H; if the calculated result is negative, the monitoring segment floats by delta H.
Further, there is a calculation formula of the rate of floating of the segment:
the speed of the floating of the certain ring segment can be calculated by the formula, and the speed can be used as one of the parameters of segment floating early warning.
Further, assuming that the floating amount of a certain ring is Δh 1 and the floating amount of the next ring is Δh 2, there is a calculation formula of the dislocation amount between segments:
L＝ΔH1-ΔH2
the formula can calculate the dislocation quantity between adjacent duct pieces, and is used for preventing damage, water leakage and other diseases of the duct pieces caused by overlarge dislocation quantity.
The specific using steps are as follows:
s1, preassembling the device. And assembling and forming all the prefabricated parts of the reference water tank and the floating monitoring device.
S2, checking tightness. And (3) injecting colored antifreezing solution into the reference water tank and the floating monitoring device, checking whether the liquid leakage phenomenon exists, and sealing and blocking in time if the liquid leakage phenomenon exists.
S3, numbering the floating monitoring device. The floating monitoring and high-precision liquid level sensor are numbered in sequence for subsequent data storage and analysis.
S4, installing a reference water tank. The reference water tank is installed at a reference point, i.e., a position where no upward floating or substantial stabilization of upward floating occurs, while the number of liquid level adjustment plates is determined according to the desired liquid level height.
S5, forming the devices in series. Connecting the reference water tank with the floating monitoring device and the floating monitoring device in series by using a connecting hose; the valves are all in an open state except the last valve of the last floating monitoring device.
S6, exhausting gas. And continuously injecting colored antifreezing solution into the reference water tank, and discharging the gas in the connecting hose and the floating monitoring device through the antifreezing solution, so that the whole device is in a bubble-free state.
S7, installing an upward floating monitoring device. The floating monitoring device is fixed on the inner wall of the pipe piece to be monitored, and the high-precision liquid level sensor is ensured to be in a normal working state.
S8, starting the small liquid pump. And starting a small liquid pump in the reference water tank, so that the antifreezing solution is continuously pumped into the reference liquid level tank from the liquid storage tank, and simultaneously, the liquid level of the liquid storage tank is lower than that of the reference liquid level tank, and the antifreezing solution automatically overflows and flows back into the liquid storage tank after the reference liquid level tank reaches the set liquid level. The circulation is such that the liquid level in the reference liquid level tank remains unchanged all the time.
S9, setting an alarm threshold. And respectively setting alarm thresholds of the floating quantity, the floating rate and the staggering quantity at the monitoring terminal, and automatically giving out early warning when the alarm thresholds are exceeded so as to take control measures in time.
Claims (1)
1. The utility model provides a shield tunnel section of jurisdiction come-up monitoring facilities which characterized in that: the anti-freezing device comprises a reference water tank (1) arranged at a stable reference position, an upward-floating monitoring device (2) arranged on a segment to be monitored and a connecting hose (3), wherein the reference water tank (1) comprises a liquid storage tank (1-6) and a reference liquid level tank (1-5), the liquid storage tank (1-6) is communicated with a liquid source and provides monitoring liquid for the reference liquid level tank (1-5), the reference liquid level tank (1-5) and a plurality of upward-floating monitoring devices (2) are communicated in series through the connecting hose (3), and the monitoring liquid is anti-freezing liquid with color;
the reference water tank (1) comprises a tank body and a top protecting cover (1-3), wherein the tank body comprises a bottom plate (1-1) and a transparent side plate (1-2), and a partition plate (1-4) for dividing the tank body into a liquid storage tank (1-6) and a reference liquid level tank (1-5) is arranged in the tank body; the lower part of one side of the reference liquid level box (1-5) is communicated with one floating monitoring device (2);
The liquid level monitoring device is characterized in that a liquid pump (1-8) is arranged in the reference liquid level box (1-5), the reference liquid level box (1-5) is communicated with the liquid storage box (1-6) through the liquid pump (1-8), a liquid level regulating plate (1-7) is arranged in the middle of the partition plate (1-4), monitoring liquid is pumped from the liquid storage box (1-6) to the bottom of the reference liquid level box (1-5) by the liquid pump (1-8), the reference liquid level box (1-5) automatically flows back into the liquid storage box (1-6) after reaching the liquid level set by the liquid level regulating plate (1-7), and an opening is formed above the top protecting cover (1-3) and is communicated with the atmosphere, so that the reference liquid level is always kept unchanged;
The floating monitoring device (2) comprises a transparent liquid level meter (2-4) and a liquid level sensor (2-7), a liquid level pipe (2-5) is vertically arranged in the middle of the transparent liquid level meter (2-4), a liquid level marking is arranged on the liquid level pipe (2-5), the top of the liquid level pipe (2-5) is provided with the liquid level sensor (2-7), extension pipes (2-8) communicated with the liquid level pipe (2-5) are respectively arranged on two sides of the bottom of the liquid level pipe (2-5), and the extension pipes (2-8) are used for communicating adjacent liquid level pipes (2-5) or reference liquid level boxes (1-5);
The floating monitoring device (2) further comprises a protection box (2-2), a transparent panel (2-1) is arranged on a side panel of the protection box (2-2), the transparent liquid level meter (2-4) and the liquid level sensor (2-7) are arranged in the protection box (2-2), and the extension pipe (2-8) penetrates out of the protection box (2-2);
Communication holes are respectively formed in the upper parts of the two sides of the protection box (2-2) and the upper part of one side of the liquid level pipe (2-5), and a liquid outlet (2-10) is formed in the lower part of one side of the protection box (2-2);
The monitoring system using shield tunnel segment floating monitoring equipment comprises liquid level sensors (2-7), wireless sensing nodes, data acquisition nodes, communication equipment and monitoring terminals, wherein the liquid level sensors (2-7) are arranged in each floating monitoring device (2) and are used for detecting the liquid level of monitoring liquid, the wireless sensing nodes are connected with the liquid level sensors (2-7), a plurality of the wireless sensing nodes are in communication connection with the data acquisition nodes, and a plurality of the data acquisition nodes are in communication connection with the monitoring terminals through the communication equipment;
The monitoring method using the shield tunnel segment floating monitoring system comprises the following steps:
A reference water tank (1) is arranged at the reference point, and all the segments to be detected are respectively provided with an upward-floating monitoring device (2);
the reference water tank (1) and all the floating monitoring devices (2) are sequentially connected in series through the connecting hose (3), and the antifreezing solution with color is poured into the reference water tank (1) to discharge all the air in the middle;
after the liquid level sensors (2-7) are used for measuring the liquid level in all the floating monitoring devices (2) and taking the liquid level as an initial water level h 1 of a corresponding measuring point, and the pipe piece floats/sinks, the liquid level corresponding to the liquid level in all the floating monitoring devices (2) is measured in real time by the liquid level sensors (2-7), and the water level h 2 of the floating/sinking of the corresponding measuring point is taken as the floating/sinking water level h 2 of the corresponding measuring point, wherein the floating/sinking amount is as follows:
ΔH＝h2-h1
The floating/sinking speed of the pipe sheet is
；
The dislocation quantity between the segments is
L＝ΔH1-ΔH2
Where Δh 1 is the float/sink of one ring and Δh 2 is the float/sink of an adjacent ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111386117.4A CN114370857B (en) | 2021-11-22 | 2021-11-22 | Shield tunnel segment floating monitoring equipment, monitoring system and monitoring method |
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| CN202111386117.4A CN114370857B (en) | 2021-11-22 | 2021-11-22 | Shield tunnel segment floating monitoring equipment, monitoring system and monitoring method |
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| CN114370857B true CN114370857B (en) | 2024-05-17 |
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| CN212007171U (en) * | 2018-05-16 | 2020-11-24 | 中铁二局集团有限公司 | Deformation monitoring equipment for super high-rise building |
| CN108801213A (en) * | 2018-08-13 | 2018-11-13 | 浙江广川工程咨询有限公司 | Tunnel vault sinking monitoring system device and measurement method based on isobaris surface principle |
| CN109506605A (en) * | 2018-12-05 | 2019-03-22 | 武汉二航路桥特种工程有限责任公司 | The beam body vertical displacement monitoring device and method of segmented construction bridges |
| CN209470695U (en) * | 2019-04-01 | 2019-10-08 | 中国矿业大学(北京) | A kind of settlement monitoring device for landscape gallery |
| WO2020214064A1 (en) * | 2019-04-16 | 2020-10-22 | Общество с ограниченной ответственностью "РадиоТех" | Method and device for the automatic wireless monitoring of a liquid level |
| CN112964166A (en) * | 2021-03-17 | 2021-06-15 | 中国建筑第五工程局有限公司 | Automatic monitoring and early warning device, system and method for shield tunnel segment dislocation deformation |
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