CN209836984U - Offshore remote underwater foundation settlement automatic monitoring system - Google Patents
Offshore remote underwater foundation settlement automatic monitoring system Download PDFInfo
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- CN209836984U CN209836984U CN201920291915.0U CN201920291915U CN209836984U CN 209836984 U CN209836984 U CN 209836984U CN 201920291915 U CN201920291915 U CN 201920291915U CN 209836984 U CN209836984 U CN 209836984U
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Abstract
The utility model discloses a long-range foundation settlement automatic monitoring system under water of coastal waters, including subsiding protection device, data acquisition emission module, power supply system, data transmission module and data processing module, subside protection device and comprise concrete foundation, steel pillar, upper portion support and locating lever placed in the middle, data acquisition emission module mainly comprises sensor and relevant corollary equipment like liquid storage pot, cable and data transceiver, and power supply system adopts solar energy or battery powered. When underwater construction is carried out, the settlement amount of the underwater foundation can be automatically obtained through the settlement of the concrete base. The utility model has the advantages that: the traditional settlement monitoring equipment is lifted from underwater installation to overwater installation, the problems of low instrument embedding success rate, unsafe underwater operation of constructors and the like are solved, the working efficiency is improved, and the working strength is reduced; and monitoring underwater foundation settlement in real time and transmitting monitoring data to a database.
Description
Technical Field
The utility model relates to a water conservancy project construction field especially relates to a long-range ground settlement automatic monitoring system under water of coastal waters. The system has the characteristics of underwater settlement monitoring overwater instrument installation and automatic data acquisition, transmission and post-processing, effectively avoids traditional underwater operation, combines a settlement protection device, a data acquisition and transmission module and a power supply system into a whole, reduces the construction difficulty, simplifies the construction process, improves the reliability of acquired data, and ensures the safety of operating personnel.
Background
With the rapid development of Chinese economy in recent years, port and pier construction also enters a high-speed development stage, and in order to meet the navigation requirements of offshore piers, the pier breakwater increasingly adopts a shallow embankment structure, namely the top surface of the breakwater/sand embankment is below the water surface. In order to ensure the stability of the foundation and the structure of the breakwater/sand bank engineering in the construction period, control the loading rate in the construction period and ensure the engineering quality, the site monitoring work of foundation settlement, lateral displacement and pore water pressure is required to be carried out in the construction period of the hydraulic construction/structure, so the monitoring of the offshore breakwater in the construction process becomes the key point. The offshore construction environment is complex, the construction difficulty is high, the manual monitoring workload is high, the monitoring data is incomplete and the like, so that the offshore underwater foundation automatic settlement observation is always a less concerned field in China. In recent years, as the application of the shallow breakwater structure of the breakwater is increased, the monitoring requirement is higher, and the observation of the foundation settlement is one of the most important indexes.
The traditional settlement observation method is to place a settlement plate at a designated position of an underwater mud surface, build an observation platform nearby on the sea, and observe by adopting a level gauge, as shown in fig. 1. This method has the following disadvantages: firstly, the front station and the rear station require distance limitation, and the reference point needs to be arranged on the shore and is too far away; secondly, one or more observation platforms are set up and observed on the sea according to the actual settlement monitoring quantity; thirdly, due to the influence of factors such as marine meteorological conditions and waves, personnel sometimes cannot enter the site to observe. Based on the reasons, the traditional level is adopted for observation, so that the investment is huge, and real-time observation cannot be achieved.
With the development of information technology, an automatic monitoring method has appeared, in which a sensor is buried near the mud surface under the water surface, data is transmitted to a terminal through a cable, and the data is transmitted back to the room for processing through a wireless transmission technology by an acquisition terminal, as shown in fig. 2. The method has the greatest defects that the whole instrument installation process is under underwater operation, the construction difficulty is high, the efficiency is low, great potential safety hazards exist in the operation process of personnel, and complete monitoring data are difficult to obtain due to the fact that a data transmission cable is long, the protection difficulty is high, the survival rate is low.
Therefore, in order to meet the modern engineering requirements and solve the problems based on the prior art, such as safety of constructors, survival rate of the embedding process, reduction of construction difficulty and the like, the underwater automatic monitoring device becomes a research hotspot of the current underwater automatic monitoring.
Disclosure of Invention
The utility model aims to solve the technical problem that an automatic monitoring system who has the instrument installation on the monitoring water of subsiding underwater and data automatic acquisition transmission and aftertreatment characteristics is subsided to long-range foundation settlement monitoring under water of coastal waters is developed is provided, turn into the foundation settlement volume steel pillar top displacement volume, the rethread liquid storage pot, the sensor turns into the signal of telecommunication with the relative displacement volume, adopt 2G 3G 4G signal wireless transmission to data processing module through data transceiver, give the observation personnel with data real-time feedback after handling, and input data base.
In order to solve the technical problem, the utility model discloses a technical scheme is: an automatic monitoring system for offshore remote underwater foundation settlement organically combines a settlement protection device, a data acquisition and transmission module, a power supply system, a data transmission and processing module and the like into a whole.
Subside protection device comprises concrete base, steel pillar, upper portion support and locating lever placed in the middle:
the concrete base is a prefabricated cuboid reinforced concrete block with a part of steel protective pipe, the bottom surface of the steel protective pipe is level to the bottom surface of the base, the size of the steel protective pipe is 2.5m multiplied by 0.7m, the specific size can be adjusted according to the actual working condition on site, and the concrete base mainly has the functions of improving the stability of the base and driving the whole settlement conversion system to synchronously settle along with the soil body. The steel protective pipe connects the base and the upper support, mainly plays a role in protecting the internal structure, supporting the upper structure and converting the foundation settlement into a pipe top displacement value, the length size can be selected according to the actual working condition on site, and generally the steel protective pipe is manufactured into a plurality of short pipes which are then installed and spliced on site to form the required length; the upper support consists of a chassis, a steel bar support, a data transceiver protection box and a warning and lightning protection device, wherein the chassis is a round steel plate with the thickness of 5mm, the size of the round steel plate corresponds to that of a flange plate at the top of the steel protection pipe, peripheral holes are conveniently connected with the flange plate, four small circular holes in the middle are used for connecting the liquid storage tank, and a large hole beside the round steel plate is used for allowing a cable to pass through; the steel bar support supports a data transceiver protection box which is used for facilitating on-site cable connection and placing of a data transceiver; the warning and lightning protection device is arranged at the edge position of the upper part of the box; the concrete base and the upper structure are connected into a whole through the steel protective pipe, the lower end of the centering positioning rod is embedded into a relatively immovable soil layer, and the distance between the top end of the centering positioning rod and the top of the steel protective pipe is determined according to the estimated settlement. The sensor is fixedly connected with the upper end of the centering positioning rod, and the liquid storage tank is fixedly connected with the chassis of the upper bracket and the top of the steel protection pipe.
When the foundation subsides, the concrete base drives steel pillar and liquid storage pot synchronous decline, and the liquid pressure of liquid storage pot change is gathered by the sensor and is transmitted to data transceiver through the cable, measures the foundation settlement volume from this.
The data acquisition and transmission module mainly comprises a sensor and related matched equipment such as a liquid storage tank, a cable, a data transceiver and the like. The upper part of the sensor is connected to the liquid storage tank through a flexible liquid pipe, and the reserved height is determined according to engineering requirements; the cable is connected with the sensor and the data transceiver.
The power supply system adopts solar energy or a storage battery for power supply.
The data transmission and processing module: and the data acquired by the data transceiver is transmitted to a data post-processing system by using 2G/3G/4G signals. The data are transmitted back to the background server, analyzed by a related matched data processing program and fed back to an observer in real time, and besides, the processed data are input into a database to provide data support for the managers to make decisions; therefore, real-time monitoring and real-time early warning are achieved.
The utility model has the advantages that: the traditional underwater foundation settlement monitoring equipment is lifted from underwater installation to overwater installation, so that underwater operation of personnel is effectively avoided, the problems of low instrument burying success rate, unsafe underwater operation of constructors and the like are solved, the settlement automatic monitoring, automatic data acquisition, automatic transmission and other technologies are organically combined, the working efficiency is greatly improved, the working strength of monitoring personnel is effectively reduced, and the technology is improved; the system can monitor the underwater foundation settlement in real time and transmit the underwater foundation settlement to the database, and has great practical significance for popularization and application and remarkable economic and social benefits.
Drawings
FIG. 1 is a schematic view of a prior art level settlement monitoring;
FIG. 2 is a schematic view of prior art automatic settlement monitoring;
fig. 3 is a schematic view of the sedimentation protection apparatus of the present invention;
FIG. 4 is an exploded view of the automatic monitoring system for remote underwater foundation settlement in the offshore area of the present invention;
FIG. 5 is a schematic view of a concrete foundation of the present invention;
FIG. 6 is a schematic view of a steel protective pipe according to the present invention;
fig. 7 is a schematic view of the upper bracket of the present invention;
fig. 8 is a schematic view of the chassis of the present invention mounted on the upper support.
In the figure:
1. concrete base 2, steel pillar 3, locating lever placed in middle
4. Upper support 4-1, chassis 4-2, steel bar support
4-3, data transceiver protection box 4-4 and lightning protection device
5. Data acquisition and transmission module 5-1 liquid storage tank 5-2 sensor
5-3 cable 5-4 data transceiver 6, flange plate hole
7. Connecting hole 8 of liquid storage tank and cable hole
Detailed Description
The invention will be described in further detail with reference to the following drawings and embodiments:
as shown in fig. 1 to 8, an automatic monitoring system for offshore remote underwater foundation settlement comprises a settlement protection device, a data acquisition and transmission module, a power supply system, a data transmission module and a data processing module.
The settlement protection device comprises a concrete base 1 positioned on a mud surface, a steel protection pipe 2, an upper support 4 and a middle positioning rod 3 inserted into a relatively immobile layer below the mud surface, wherein the concrete base 1 is a prefabricated cuboid reinforced concrete block with a steel protection pipe 2 hole in the middle, the bottom surface of the steel protection pipe 2 is level with the bottom surface of the base, and the upper support 4 is connected to the upper surface of the steel protection pipe 2; the centering positioning rod 3 is positioned in the center of the steel protection pipe 2; the upper support 4 is provided with a data acquisition and transmission module, the data acquisition and transmission module comprises a data transceiver 5-4, a sensor 5-2, a liquid storage tank 5-1 and a cable 5-3, the sensor 5-2 is connected with the liquid storage tank 5-1 through a flexible liquid pipe, and the sensor 5-2 is connected with the data transceiver 5-4 through the cable 5-3; and the data acquisition and transmission module transmits the data to the equipment with the data processing module through the data transmission module.
The upper support 4 is positioned above the water surface and comprises a chassis 4-1 connected with a flange plate on the upper end surface of the steel protection pipe 2, a steel bar support 4-2, a data transceiver protection box 4-3 and a lightning protection device 4-4.
The chassis 4-1 is provided with a flange hole 6 for connecting the steel protection pipe 2, a connecting hole 7 for connecting the liquid storage tank and a connecting cable hole 8.
The chassis 4-1 is a round steel plate with the thickness of 5mm, the size of the round steel plate corresponds to that of the flange plate at the top of the steel protective pipe 2, the periphery of the chassis 4-1 is provided with holes connected with the flange plate, the middle part of the chassis 4-1 is provided with four small round holes connected with the liquid storage tank 5-1 and a big hole penetrating through a cable; the reinforcing steel bar support 4-2 supports the data transceiver protection box 4-3.
The sensor 5-2 is fixedly connected with the upper end of the centering positioning rod 3, and the liquid storage tank 5-1 is fixedly connected with the chassis 4-1 of the upper bracket 4 and the top of the steel protection pipe 2.
The concrete base 1 adopts a cuboid reinforced concrete block, the specific size and weight can be adjusted according to actual engineering, and the concrete base has the functions of mainly improving the stability and reliability of the embedding process and driving the whole system to displace along with the downward displacement of soil. The steel pillar 2 connects base and upper portion support 4, mainly plays the effect of protection inner structure and will install under water and promote the installation on water, and its length size can be selected according to the depth of water and rivers intensity, generally divide into a plurality of nozzle stub with it, and the long tube is spliced into on-the-spot. The upper support 4 consists of a chassis 4-1, a steel bar support 4-2, a data transceiver protection box 4-3 and a lightning protection device 4-4, wherein the chassis 4-1 is a round steel plate with the thickness of 5mm, the size of the round steel plate corresponds to that of a flange plate at the top of the steel protection pipe 2, peripheral holes are conveniently connected with the flange plate, and a larger hole in the middle is used for a cable 5-3 to pass through; the three phi 16 twisted steel supports play a role of a data transceiver protection box 4-3, and the main function is to facilitate on-site line connection; the data transceiver protection box 4-3 mainly plays a role in protecting the data transceiver 5-4; lightning protection means 4-4 are mounted at the upper edge of the box. The centering positioning rod 3 is positioned in the whole device, the lower end of the rod body is embedded into a seabed relatively immobile soil layer and is embedded in a drilling mode, and the upper end of the rod body is fixedly connected to the sensor 5-2.
The data acquisition and transmission module mainly comprises a sensor 5-2, related matched equipment such as a liquid storage tank 5-1, a cable 5-3 and the like and a data transceiver 5-4. The upper part of the sensor 5-2 is connected to the liquid storage tank 5-1 through a flexible liquid pipe, and the reserved height is determined according to engineering requirements.
The power supply system adopts solar energy or a storage battery for power supply.
The data transmission in the data transmission and processing module adopts 2G/3G/4G signal transmission; the data processing module adopts a matched program to carry out calculation and analysis, and a calculation result is not only fed back to an observer in real time, but also input into a background database; providing data support for management decision makers.
After the whole system is installed and debugged on water, when underwater structure construction is carried out, the settlement amount of the underwater foundation can be automatically obtained through the settlement of the concrete base 1.
The utility model discloses promote traditional settlement monitoring equipment to installation on water from installation under water, effectively avoided personnel's underwater operation, solved the instrument and buried the success rate low and constructor's unsafe scheduling problem of underwater operation, and will subside technologies such as automatic monitoring, data automatic acquisition and automatic transmission and organically combine, improved work efficiency greatly, effectively reduce monitoring personnel's working strength, innovation technique; the system can monitor the underwater foundation settlement in real time and transmit the underwater foundation settlement to the database, and has great practical significance for popularization and application and remarkable economic and social benefits.
The utility model discloses a long-range foundation settlement automatic monitoring system's of coastal waters mounting means as follows:
and the integrated base and the steel protective pipe 2 are placed at the specified position of the water bottom by using the hoisting equipment on the ship. The concrete base 1 should be laid flat. After putting the concrete base 1, utilize the engineering driller to drill in the inside drilling of steel pillar 2, until boring to the relatively immobile soil layer, specific degree of depth is decided according to the geological conditions, then will be placed in the middle locating lever 3 and transfer to the relatively immobile soil layer through drilling section by section, 3 lower extremes of locating lever placed in the middle are the benchmark, and its top is confirmed according to estimating the settlement with 2 top distances of steel pillar. The sensor 5-2 is fixedly connected with the upper end of the centering positioning rod 3, the liquid storage tank 5-1 is fixedly connected with the chassis 4-1 of the upper support 4 and the top of the steel protection pipe 2, the data transceiver 5-4 is placed in the data transceiver protection box 4-3, and the cable 5-3 penetrates through the cable hole 8 and is connected to the data transceiver 5-4.
Selecting concrete base 1 material
Concrete foundation 1 material has the multiple, this selection for use is prefabricated reinforced concrete structure. 4 lifting points are distributed on the upper surface of the base, the lifting points are made of phi 32 plain round steel bars and are welded with internal steel bars, and phi 20 and phi 7 twisted steel bars are arranged in the base and are bound with the steel protective pipe 2 to form a whole. And finally, erecting the formwork and pouring concrete for curing. The material overcomes the defect of unstable settling plate caused by light weight of the traditional steel settling plate. The base comprehensively considers various factors such as water depth, water flow, lifting capacity of lifting equipment and the like according to actual engineering requirements, the selected size is 2.5m multiplied by 0.7m, and the base is selected according to actual conditions in specific engineering.
Selection of steel protective pipe 2 and accessory size
The wall thickness of the steel protective pipe 2 in the system is 9.5mm, and the length of each section of protective pipe is 6 m. The two ends of the steel protection pipe 2 are welded with flange plates, the outer diameter of the steel protection pipe 2 is 325mm as same as the inner diameter of the flange plates, and the outer diameter of the flange plates is 345 mm. The ring flange and pillar except adopting the full-length welding, still symmetrical arrangement 4 thick 10mm, long limit 0.2m, the triangle steel sheet of minor face 0.1mm, the right-angled welds the ring flange on one side, and 2 outer walls of steel pillar are welded on another side, play the reinforcing effect. The steel protective pipes 2 are connected by adopting a screw rod with the diameter of 18 mm. The length and specification of the steel protective pipe 2 in the concrete project are selected to be suitable for the water environment and the field hoisting equipment.
Structural design of upper support 4
The structural design of the upper support 4 should be as simple as possible to facilitate the on-site installation of the instrument. The bracket chassis is 4-1 phi 345mm, the bracket chassis is made of steel plate, screw holes on the periphery of the bracket chassis are matched with a flange plate of the steel protective pipe 2, five round holes are arranged in the middle of the bracket chassis, four holes are used for connecting a liquid storage tank 5-1, and a slightly larger hole is arranged beside the bracket chassis and used for a cable 5-3 to pass through. The lower end of the steel bar support 4-2 is welded with the chassis 4-1, and the upper end is welded with the data transceiver protection box 4-3. The data transceiver protection box 4-3 adopts a steel barrel with the diameter of 0.15m and the height of 0.15 m. One side of the data transceiver protection box 4-3 is welded with phi 7 smooth steel bars as a lightning protection device 4-4.
Claims (7)
1. The utility model provides a long-range underwater foundation of coastal waters subsides automatic monitoring system, includes subsides protection device, data acquisition emission module, power supply system, data transmission module and data processing module, characterized by: the settlement protection device comprises a concrete base, a steel protection pipe, an upper support and a middle positioning rod, wherein the concrete base is positioned on the mud surface, the middle positioning rod is inserted into a relatively immobile layer below the mud surface, the concrete base is a prefabricated cuboid reinforced concrete block with a steel protection pipe hole in the middle, the bottom surface of the steel protection pipe is flush with the bottom surface of the base, and the upper support is connected to the upper surface of the steel protection pipe; the centering positioning rod is positioned in the center of the steel protection pipe; the upper bracket is provided with a data acquisition and transmission module, the data acquisition and transmission module comprises a data transceiver, a sensor, a liquid storage tank and a cable, the sensor is connected with the liquid storage tank through a flexible liquid pipe, and the sensor is connected with the data transceiver through the cable; and the data acquisition and transmission module transmits the data to equipment with a data processing module on the shore through a data transmission module.
2. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 1, wherein: the upper support is positioned above the water surface and comprises a chassis connected with a flange plate on the upper end surface of the steel protection pipe, a steel bar support, a data transceiver protection box and a warning and lightning protection device.
3. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 2, wherein: the chassis is a round steel plate with the thickness of 5mm, the size of the round steel plate corresponds to that of the flange plate at the top of the steel protective pipe, the periphery of the chassis is provided with holes connected with the flange plate, and the middle part of the chassis is provided with four small round holes connected with the liquid storage tank and a large hole penetrating through the cable; the reinforcing steel bar support supports the data transceiver protection box.
4. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 1, wherein: the sensor is fixedly connected with the upper end of the centering positioning rod, and the liquid storage tank is fixedly connected with the chassis of the upper bracket and the top of the steel protection pipe.
5. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 1, wherein: the power supply system adopts solar energy or a storage battery for power supply.
6. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 1, wherein: and the data acquired by the data transceiver is transmitted to a data post-processing system by using a 2G/3G/4G signal for analysis, and the processed data is input into a database and fed back to an observer in real time.
7. The automatic offshore remote underwater foundation settlement monitoring system as claimed in claim 1, wherein: the steel protective pipe is a long pipe formed by splicing a plurality of short pipes and connects the base and the upper bracket into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920291915.0U CN209836984U (en) | 2019-03-07 | 2019-03-07 | Offshore remote underwater foundation settlement automatic monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920291915.0U CN209836984U (en) | 2019-03-07 | 2019-03-07 | Offshore remote underwater foundation settlement automatic monitoring system |
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| CN209836984U true CN209836984U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736285A (en) * | 2019-03-07 | 2019-05-10 | 中交第一航务工程勘察设计院有限公司 | A kind of long-range underwater settlement automatic monitoring system in coastal waters |
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2019
- 2019-03-07 CN CN201920291915.0U patent/CN209836984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736285A (en) * | 2019-03-07 | 2019-05-10 | 中交第一航务工程勘察设计院有限公司 | A kind of long-range underwater settlement automatic monitoring system in coastal waters |
| CN109736285B (en) * | 2019-03-07 | 2024-01-23 | 中交第一航务工程勘察设计院有限公司 | Automatic monitoring system for offshore remote underwater foundation settlement |
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