CN210426520U - Underwater soil body settlement monitoring system - Google Patents
Underwater soil body settlement monitoring system Download PDFInfo
- Publication number
- CN210426520U CN210426520U CN201921677508.XU CN201921677508U CN210426520U CN 210426520 U CN210426520 U CN 210426520U CN 201921677508 U CN201921677508 U CN 201921677508U CN 210426520 U CN210426520 U CN 210426520U
- Authority
- CN
- China
- Prior art keywords
- target
- optical signal
- measuring instrument
- upper computer
- reflected
- 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 embodiment of the utility model discloses submarine soil body settlement monitoring system. The method comprises the following steps: the device comprises a measuring instrument, a target, a rearview target, an upper computer and a supporting structure; the measuring instrument is in communication connection with the upper computer and used for sending a first optical signal to the target, receiving a first reflected optical signal reflected by the target, sending a second optical signal to the rearview target, receiving a second reflected optical signal reflected by the rearview target, sending the data information to the upper computer according to the received first reflected optical signal and the received second reflected optical signal, and fixing the target on the top of the supporting structure which is fixed in the water bottom to be monitored. The embodiment of the utility model provides a through using bearing structure to reflect the surface of water with submarine subsiding on, utilize automatic monitoring system to monitor, solve the problem of low precision, low real-time nature in the work progress, realize that the submarine soil body subsides real-time feedback, be convenient for in time adjust construction parameter, improve monitoring data's the hierarchical effect of precision.
Description
Technical Field
The embodiment of the utility model provides a relate to tunnel engineering construction technology, especially relate to a submarine soil body settlement monitoring system.
Background
When the tunnel is penetrated through the river and passes through the water bottom, the disturbance brought to the soil body by the construction causes the water bottom to generate sedimentation, and the operation difficulty of constructors is increased.
Generally, the ground settlement is directly monitored by a precise level gauge, but the underwater soil is complex, so that the method is difficult to implement. A commonly used underwater monitoring method is an underwater scanning technology, ultrasonic waves are used for scanning underwater variation trend, an ultrasonic transducer is placed at a certain position under water during monitoring, a measurement and control device controls the ultrasonic transducer to send out sound wave pulses, if obstruction occurs, the pulses are reflected back, the transducer receives reflected data information, the received data information is processed through the measurement and control device, and accordingly surveying of the underwater variation trend is achieved.
The prior art has the following defects: firstly, during underwater construction, a large error exists, the precision is 100mm level, accurate monitoring data cannot be provided for constructors, and the control requirement of tunnel construction on settlement is difficult to meet; secondly, the analysis of the underwater scanning data is slow, the settlement data can be obtained after 1-2 hours, the settlement data cannot be fed back to a construction operation surface in time, the timely deviation rectification is difficult to achieve by constructors, and the real-time performance is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a submarine soil body settlement monitoring system to realize that the submarine soil body subsides real-time feedback, be convenient for in time adjust construction parameter, improve monitoring data's precision rank. The method comprises the following steps: the device comprises a measuring instrument, a target, a rearview target, an upper computer and a supporting structure;
the measuring instrument is in communication connection with the upper computer and is used for sending a first optical signal to the target, receiving a first reflected optical signal reflected by the target, sending a second optical signal to the rear-view target, receiving a second reflected optical signal reflected by the rear-view target and sending the data information to the upper computer according to the received first reflected optical signal and the received second reflected optical signal;
the upper computer is used for sending a measurement control instruction to the measuring instrument, receiving the current data information transmitted by the measuring instrument, and determining a preset sedimentation value according to the current data information and preset stored data information;
the target is fixedly arranged at the top end of the supporting structure, the supporting structure is fixed in the water bottom to be monitored, and the rear-view target is fixedly arranged on the bank of the water bottom to be monitored.
The embodiment of the utility model provides a through bearing structure, can reflect the surface of water with submarine settlement on, confirm the positional information of target mark target and back sight target through the measuring apparatu, the host computer is saved received data information, record abnormal information, and send remeasurement instruction and give the measuring apparatu, the problem that is difficult to real-time supervision in the work progress has been solved, realize that submarine soil body subsides real-time feedback, so that constructor in time adjusts construction parameter, reach the effect of monitoring data precision mm rank.
Drawings
Fig. 1 is a schematic view of a system for monitoring settlement of underwater soil according to a first embodiment of the present invention;
fig. 2 is a schematic view of a system for monitoring settlement of underwater soil in a second embodiment of the present invention;
fig. 3 is a flowchart of a method for monitoring the settlement of a soil body under water in a third embodiment of the present invention;
fig. 4 is a schematic plan view of a monitoring base point of a method for monitoring settlement of underwater soil in a third embodiment of the present invention;
fig. 5 is a flow chart of the installation of the monitoring base point of the method for monitoring the settlement of the underwater soil body in the third embodiment of the present invention;
fig. 6 is a flowchart of a method for monitoring settlement of a soil body under water in the fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic view of a system for monitoring settlement of a soil body under water according to an embodiment of the present invention. This embodiment can be applicable to in the non-excavation tunnel construction, acquires the condition of submarine below soil body trend of change in real time, and submarine soil body settlement monitoring system includes: the device comprises a measuring instrument 1, a target 2, a rear-view target 3, an upper computer 4 and a supporting structure 5.
The measuring instrument 1 is in communication connection with the upper computer 4 and is used for sending a first optical signal to the target 2, receiving a first reflected optical signal reflected by the target 2, sending a second optical signal to the rearview target 3, receiving a second reflected optical signal reflected by the rearview target 3, and sending the data information to the upper computer 4 according to the received first reflected optical signal and the received second reflected optical signal.
The upper computer 4 is used for sending a measurement control instruction to the measuring instrument 1, receiving the current data information transmitted by the measuring instrument 1, and determining a preset sedimentation value according to the current data information and preset stored data information;
As shown in fig. 1, the measuring instrument 1 is disposed on the right side of the rear-view target 3, and it can be understood that the measuring instrument 1 may also be disposed on the left side of the rear-view target 3. In addition, the specific number of the target targets 2 (monitoring points) can be determined according to the area of the soil body at the water bottom to be monitored, for example, the number of the target targets 2 and the distribution at the river bottom are set according to the river width, and when the target targets 2 are arranged in multiple rows side by side, the measuring instrument 1 is at the same height as the target targets 2.
The first optical signal and the second optical signal are horizontal optical signals, and the reflected optical signals are opposite to the emitted optical signals in reverse directions and are parallel to each other; the upper computer 4 receives data information uploaded by the measuring instrument 1 and stores and analyzes the data information, wherein the data information comprises specific position information of the target 2 and specific position information of the rear-view target 3; for the abnormal information appearing in the received position information of the target 2 and the rear-view target 3, the upper computer 4 will resend an instruction, and control the measuring instrument 1 to retest the recorded abnormal points. Since the support structure needs to be fixed on the water bottom, it needs to have enough strength to keep stable under water impact, for example, a high-strength metal frame or a metal pipe is used, and a rust-proof layer can be coated or wrapped on the surface of the metal material.
The embodiment of the utility model provides a through bearing structure, can reflect the surface of water with submarine settlement on, confirm the positional information of target mark target and back sight target through the measuring apparatu, the host computer is saved received data information, record abnormal information, and send remeasurement instruction and give the measuring apparatu, the problem that is difficult to real-time supervision in the work progress has been solved, realize that submarine soil body subsides real-time feedback, so that constructor in time adjusts construction parameter, reach the effect of monitoring data precision mm rank.
Example two
Fig. 2 is a schematic view of a system for monitoring settlement of underwater soil provided by the second embodiment of the present invention. The technical scheme of this embodiment further refines on the basis of above-mentioned technical scheme, and submarine soil body settlement monitoring system includes: the device comprises a measuring instrument 1, a target 2, a rear-view target 3, an upper computer 4 and a supporting structure 5. The measuring instrument 1 is an automatic total station 14, the target 2 is a reflecting prism 15, the rearview target 3 is a rearview prism 16, and the supporting structure 5 is a steel pipe 17.
The automatic total station 14 is in communication connection with the upper computer 4, and is configured to send a first optical signal to the reflection prism 15, receive a first reflected optical signal reflected by the reflection prism 15, send a second optical signal to the rearview prism 16, receive a second reflected optical signal reflected by the rearview prism 16, convert the received reflected optical signal into data information, and send the data information to the upper computer 4;
the upper computer 4 is used for sending a measurement control instruction to the automatic total station 14, receiving the current data information transmitted by the automatic total station 14, and determining a preset settlement value according to the current data information and preset stored data information;
the reflecting prism 15 is fixedly arranged at the top end of the steel pipe 17, the steel pipe 17 is fixed in the water bottom to be monitored, and the rearview prism 16 is fixedly arranged at the bank side of the water bottom to be monitored;
optionally, the monitoring system that subsides of submarine soil body still includes:
the power supply equipment 6 is respectively connected with the automatic total station 14 and the upper computer 4 and is used for supplying power to the automatic total station 14 and the upper computer 4. The power supply device 6 may be a battery, a fuel cell, or a mains power adapter.
As shown in fig. 2, the reflection prism 15 and the rear view prism 16 are arranged at the same height as the automatic total station 14, the automatic total station 14 can perform leveling, focusing and forward and backward observation, so that full-automatic data recording can be realized, and meanwhile, the automatic total station has automatic identification and alignment functions, manual focusing is not required in the measurement process, so that the monitoring efficiency can be greatly improved; when light is incident from one medium to the other medium perpendicular to the two medium planes, no refraction occurs, and the prism can perform total reflection on the received optical signal, so that the automatic total station 14 can receive all information of the optical signals reflected by the reflecting prism 15 and the rearview prism 16; the steel pipe 17 is a hollow cylindrical structure, and the interior of the steel pipe needs grouting to realize fixation and is used for fixedly supporting the reflecting prism 15.
The embodiment of the utility model provides a through set up steel pipe and the reflection prism that are used for reflecting the submarine situation to the surface of water in waiting to detect the submarine to and be used for measuring the automatic total powerstation of reflection prism and rear view prism positional information, thereby realized waiting to monitor the submarine real time monitoring; in the monitoring process, the automatic total station transmits the received data to the upper computer, the upper computer can record abnormal data in the monitoring process and send a re-measurement instruction to the automatic total station, and the automatic total station performs re-measurement on an abnormal monitoring point, so that the measurement precision is effectively improved. The hollow cylindrical steel pipe for supporting the reflection prism provided in this embodiment may also be a solid object that can be used as a fixing support, such as a hollow iron pipe, and the shape of the solid object is not particularly limited, and may be a cylinder, a rectangular parallelepiped, or the like.
EXAMPLE III
Fig. 3 is the embodiment of the utility model provides a third flow chart who provides a submarine soil body settlement monitoring method, this embodiment is applicable to non-excavation tunnel construction, acquires the condition of submarine below soil body trend of change in real time, and this method can be carried out by the submarine soil body settlement monitoring system among the above-mentioned technical scheme, specifically includes following step:
and step 110, when the preset monitoring time is reached, controlling the measuring instrument 1 to start to measure the position information of the monitoring point through the upper computer 4.
The preset monitoring time is set in advance by the upper computer 4 before the measuring instrument 1 starts to measure monitoring point information;
the monitoring time can be periodic, and the specific period can be determined according to the number of points to be monitored. For example, the monitoring time may be set to 20 s/cycle.
The target 2 is configured to receive a first optical signal emitted by the measuring instrument 1 and reflect the first optical signal to the measuring instrument 1, and the rear-view target 3 is configured to receive a second optical signal emitted by the measuring instrument 1 and reflect the second optical signal to the measuring instrument 1.
And step 130, determining the data information according to the received first reflected light signal and the second reflected light signal, and transmitting the data information to the upper computer 4.
Wherein the measuring instrument 1 receives the first reflected light signal and the second reflected light signal, and automatically converts the first reflected light signal and the second reflected light signal into corresponding data information;
the current data information is data information obtained by converting the received current first reflected light signal and the current second reflected light signal by the measuring instrument 1.
And 140, determining a preset settlement value through the upper computer 4 according to the received data information of the time and preset stored data information.
The preset stored data information is previous data information of the received current data information, and the preset settlement value is obtained by subtracting the received current data information from the preset stored data information; the current settlement value can be added with a preset stored accumulated settlement value to be used as the current accumulated settlement value.
The working principle of the method for monitoring the underwater soil body settlement is as follows: the monitoring time and the monitoring period are set in the upper computer 4, the measuring instrument 1 is controlled to start measuring work, the measuring instrument 1 sends a first optical signal to the target 2, receives a first reflected optical signal reflected by the target 2, sends a second optical signal to the rearview target 3, receives a second reflected optical signal reflected by the rearview target 3, converts the received first optical signal and the received second optical signal into data information and uploads the data information to the upper computer 4; the upper computer 4 receives the data information transmitted by the measuring instrument 1, calculates the difference value between the current data information and the preset stored data information to obtain the current settlement value, and adds the current settlement value and the preset stored accumulative settlement value to be used as the current accumulative settlement value.
According to the technical scheme, the underwater settlement is reflected to the water surface by using the steel pipe, the automatic monitoring system is used for monitoring, the problems of low precision and low real-time performance in the construction process are solved, the underwater soil body settlement real-time feedback is realized, the construction parameters are convenient to adjust in time, and the precision level effect of the monitoring data is improved.
Fig. 4 is the schematic plan view of the monitoring base point of the method for monitoring the settlement of the underwater soil body in the third embodiment of the present invention, for example, the shield is constructed to cross the section of the qinhuai river, 9 rows of 27 underwater monitoring points are to be set, each row has a distance of 15m, the monitoring points are numbered as a1, a2, A3-I1, I2 and I3, and the underwater monitoring points are the target 2.
Fig. 5 is a flow chart of the monitoring base point installation of the method for monitoring settlement of underwater soil in the third embodiment of the present invention, which specifically includes the following steps:
The drilling ship 7 is used by connecting two ships in a transverse row, eight 12m 15-shaped I-steel beams are transversely placed on the ship surfaces of the two ships, the distance range of the I-steel beams is 0.9-1.1 m, and the length of the I-steel beams exceeds the outer side of the two ships which are connected in parallel by 0.25-0.3 m;
furthermore, bamboo springboards are laid on the I-steel, the bottom of the drill ship 7 is fixed by wire rope hoops with the diameter of 12.5mm from two ends of the I-steel, and fixed railings 8 and railing ropes 9 are arranged around the steel wire rope hoops.
Wherein the borehole 10 above water uses a GPS dual frequency receiver;
further, aiming at the situation that the field crossing distance is short, the axis point crossed by the total station positioning shield is used in advance on the two banks of the river, and the buoy is pulled up between the two points, so that the positioning of the drill hole 10 is realized.
And 230, inserting the protective sleeve 12 into the positioned drill hole 10.
Wherein the inner diameter of the protective sleeve 12 is 168 cm;
furthermore, in order to maintain the verticality of the protective sleeve 12, a positioning rope is arranged at the lower part of the protective sleeve 12, the horizontal ruler is used for calibration and measurement, and the positioning rope is adjusted to ensure that the casing string vertically runs into the riverbed by about 1 m.
And 240, grouting 11 in the protective sleeve 12.
Wherein, a drilling grouting machine is used for drilling through the protective sleeve 12, the cement slurry is grouted after about 3m enters the river bed, and the forward grouting 11 is adopted, and the depth is about 2 m.
And 250, pulling up the protective sleeve 12.
After the grouting, the protective sleeve 12 is pulled up, and the grouting pipe is left in the water as a base for mounting the support structure 5.
And 260, pulling out the protective sleeve 12, then pulling out the anchor 13, and moving the drill ship 7 to the position of the next drill hole 10.
The working principle of setting and installing the monitoring base point of the method for monitoring the underwater soil body settlement is as follows: the drilling ship 7 is used by connecting two ship rows, a railing 8 and a railing rope 9 are fixed around the drilling ship 7, and an underwater anchorage 13 is used for fixing the drilling ship 7; the method comprises the steps of using an axis point which is penetrated through by a total station positioning shield in advance on two sides of a river, positioning the position of a drill hole 10 by a buoy pulled up between two points, putting a protective sleeve 12 into the determined position of the drill hole 10, grouting through the protective sleeve 12 by using a drill hole grouting machine 11, pulling up the protective sleeve 12 after grouting is finished, leaving a support structure 5 formed after grouting in water as a base for installing a target 2, and finally pulling up an anchor 13, and moving a drilling ship 7 to the next drill hole position.
On the basis of the technical scheme, optionally, the four-hole anchor 13 and the front splayed anchor 13 and the rear splayed anchor 13 are thrown, and the side anchor 13 can be additionally arranged for individual drilling according to the conditions of wind power, wind direction and water flow; the advantage of this arrangement is that the stability of the drill ship during drilling is ensured and accurate adjustment of the drilling position is facilitated.
Example four
Fig. 6 is the utility model provides a fourth flow chart who provides a submarine soil body settlement monitoring method, the technical scheme of this embodiment further refines on above-mentioned technical scheme's basis, and the monitoring method that this embodiment provided includes:
Before the measuring instrument 1 starts measuring, the position information of the measuring instrument 1 needs to be positioned, the rearview target 3 is used as a datum point, the measuring instrument 1 is controlled by the upper computer 4, an optical signal is sent to the rearview target 3, the optical signal reflected by the rearview target 3 is received, the received optical signal is converted into data information, the upper computer 4 receives and stores the data information sent by the measuring instrument 1, and the position information of the measuring instrument 1 is calculated through multiple measurements.
And step 420, when the preset monitoring time is reached, controlling the measuring instrument 1 to start to measure the position information of the monitoring point through the upper computer 4.
And step 450, determining a preset settlement value through the upper computer 4 according to the received data information of the time and preset stored data information.
And determining whether the monitoring process is abnormal according to the settlement monitoring judgment standard, wherein the settlement monitoring judgment standard can be adjusted according to the depth of the water bottom to be monitored.
Wherein, the monitoring point is a target 2.
And step 480, if the current monitoring point is not the abnormal point, the measuring instrument 1 automatically detects the next monitoring point.
If the number of the abnormal points is more than one, the next monitoring point refers to the first abnormal point after the abnormal point; and if the number of the abnormal points is one, the next monitoring point is the first point to be monitored in the next period.
According to the technical scheme of the embodiment, before the measuring instrument starts to measure, the position information of the measuring instrument is positioned, the coordinate of the measuring instrument is calculated through multiple measuring back, the error in single-time measurement of the position information is reduced, accurate position information of the measuring station is obtained, and the monitoring precision is improved; through after a cycle period, retest to the abnormal point of host computer record, avoid causing the discernment mistake of monitoring point, constructor can be through the processing, the analysis to monitoring data, takes engineering measures to control submarine earth's surface to sink, ensures that surface of water traffic is smooth and easy, normal use.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a submarine soil body settlement monitoring system which characterized in that includes: the device comprises a measuring instrument (1), a target (2), a rearview target (3), an upper computer (4) and a supporting structure (5);
the measuring instrument (1) is in communication connection with the upper computer (4) and is used for sending a first optical signal to the target (2), receiving a first reflected optical signal reflected by the target (2), sending a second optical signal to the rearview target (3), receiving a second reflected optical signal reflected by the rearview target (3), and sending the data information to the upper computer (4) according to the received first reflected optical signal and the received second reflected optical signal;
the upper computer (4) is used for sending a measurement control instruction to the measuring instrument (1), receiving the current data information transmitted by the measuring instrument (1), and determining a preset settlement value according to the current data information and preset stored data information;
target mark target (2) are fixed to be set up the top of bearing structure (5), bearing structure (5) are fixed and are waited to monitor submarine, back vision target (3) are fixed to be set up at the submarine bank of waiting to monitor.
2. The underwater soil settlement monitoring system of claim 1, further comprising a power supply (6);
the power supply equipment (6) is respectively connected with the measuring instrument (1) and the upper computer (4) and used for supplying power to the measuring instrument (1) and the upper computer (4).
3. The system for monitoring settlement of underwater earth as claimed in claim 1 wherein the target (2) is a reflecting prism and the rearview target (3) is a rearview prism.
4. The underwater soil settlement monitoring system of claim 1, wherein the surveying instrument (1) is a fully automated total station.
5. The underwater soil settlement monitoring system of claim 1, wherein the support structure (5) is a hollow cylindrical steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677508.XU CN210426520U (en) | 2019-10-09 | 2019-10-09 | Underwater soil body settlement monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677508.XU CN210426520U (en) | 2019-10-09 | 2019-10-09 | Underwater soil body settlement monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210426520U true CN210426520U (en) | 2020-04-28 |
Family
ID=70369880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921677508.XU Active CN210426520U (en) | 2019-10-09 | 2019-10-09 | Underwater soil body settlement monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210426520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567431A (en) * | 2019-10-09 | 2019-12-13 | 北京市市政四建设工程有限责任公司 | Underwater soil body settlement monitoring system and method |
| CN114045886A (en) * | 2021-11-09 | 2022-02-15 | 深圳供电局有限公司 | GIL pipe gallery foundation settlement online monitoring method |
| WO2023186796A1 (en) * | 2022-03-28 | 2023-10-05 | Technische Universiteit Delft | System and method for monitoring subsurface vertical dynamics |
-
2019
- 2019-10-09 CN CN201921677508.XU patent/CN210426520U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567431A (en) * | 2019-10-09 | 2019-12-13 | 北京市市政四建设工程有限责任公司 | Underwater soil body settlement monitoring system and method |
| CN114045886A (en) * | 2021-11-09 | 2022-02-15 | 深圳供电局有限公司 | GIL pipe gallery foundation settlement online monitoring method |
| CN114045886B (en) * | 2021-11-09 | 2023-02-03 | 深圳供电局有限公司 | GIL pipe gallery foundation settlement online monitoring method |
| WO2023186796A1 (en) * | 2022-03-28 | 2023-10-05 | Technische Universiteit Delft | System and method for monitoring subsurface vertical dynamics |
| NL2031417B1 (en) * | 2022-03-28 | 2023-10-10 | Univ Delft Tech | System and method for monitoring subsurface vertical dynamics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210426520U (en) | Underwater soil body settlement monitoring system | |
| EP3011113B1 (en) | Pile driving machine | |
| CA2776569C (en) | Method for producing an underwater foundation element, adjustment head for an underwater foundation element and underwater working arrangement | |
| CN107131862B (en) | Rock-fill dam panel deformation monitoring device and construction method | |
| CN107034931A (en) | Steel-pipe pile testing apparatus for verticality and deep water steel pipe pile construction method | |
| CN110133666B (en) | System and method for monitoring scouring state of offshore wind power pile | |
| CN101410573A (en) | Position indicating and guidance system and method thereof | |
| CN109855544B (en) | Ground surface crack monitoring device and method based on laser ranging | |
| CN109610441A (en) | It is a kind of to use hydraulic vertical adjustment frame inverse method one-column one-pile construction method | |
| CN110567431A (en) | Underwater soil body settlement monitoring system and method | |
| CN109916309B (en) | Ground surface crack monitoring device and method based on laser ranging | |
| CN115075307A (en) | Immersed tunnel pipe section sinking butt joint space positioning monitoring system and method | |
| CN103924574B (en) | Rubble leveling device | |
| CN109596112A (en) | A kind of measurement method that control large-diameter shield captain distance construction is smoothly appeared | |
| CN112359884B (en) | Ultrasonic grooving detection probe device and detection method thereof | |
| CN116559882A (en) | Auxiliary equipment and method for detecting sonar auxiliary pile foundation under karst geological condition | |
| JPH10299020A (en) | Installation and sinking method for underwater structure and its equipment | |
| CN216081483U (en) | Open caisson heading machine guide system based on double-line laser | |
| CN211285747U (en) | Underwater foundation bed leveling machine | |
| JPS63210614A (en) | Method for correcting varticality of pile in driving of pile | |
| CN112726686A (en) | Offshore large-diameter single-pile sinking measurement method | |
| CN218713356U (en) | Monitoring system for foundation steel pipe pile underwater pile sinking of four-pile jacket | |
| CN214883604U (en) | Pile machine construction automatic measurement feedback device | |
| CN115855029B (en) | Pipe joint sinking coarse positioning system and method based on sinking pipe transportation and installation integrated ship sling | |
| CN210664648U (en) | Pressure-bearing water level measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |