CN116558474A - Gravity type wharf foundation bed settlement monitoring system and installation method thereof - Google Patents
Gravity type wharf foundation bed settlement monitoring system and installation method thereof Download PDFInfo
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- CN116558474A CN116558474A CN202310290877.8A CN202310290877A CN116558474A CN 116558474 A CN116558474 A CN 116558474A CN 202310290877 A CN202310290877 A CN 202310290877A CN 116558474 A CN116558474 A CN 116558474A
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- displacement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
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- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a gravity type wharf bed sedimentation monitoring system and an installation method thereof, wherein the gravity type wharf bed sedimentation monitoring system comprises: the system comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform; the basic measuring unit of the array displacement meter is a displacement monitoring section, and each displacement monitoring section comprises an external stainless steel tube and an internally installed unit displacement meter; the data transmission system comprises a data acquisition instrument; each displacement monitoring section of the array displacement meter is connected in series through a mixed wire harness and is connected to a data acquisition instrument; the monitoring and early warning cloud platform is arranged on the cloud server, displays sedimentation data in a chart form and communicates with the data acquisition instrument and a user in a wireless communication mode. The system can monitor the settlement displacement of the whole foundation tank and the foundation bed in the construction period, and the settlement displacement data is monitored accurately and timely, and meanwhile, the monitoring system can also prevent the corrosion of the seawater and has longer service life.
Description
Technical Field
The invention relates to the technical field of wharf safety monitoring, in particular to a gravity type wharf foundation bed settlement monitoring system and an installation method thereof.
Background
The gravity type wharf is a common hydraulic structure form, and mainly resists sliding and overturning of a building by the weight of the structure and the filler on the structure, meanwhile, the dead weight of the structure, the weight of the filler above the structure and various loads generate pressure on a foundation, the foundation is required to have certain strength, the wharf foundation construction period and post-construction settlement displacement are controlled, and the gravity type wharf quality control is important.
The traditional settlement displacement observation mainly adopts setting settlement displacement observation points on foundation and upper structures such as a gravity type wharf caisson, a square block and the like, and the settlement displacement change of a gravity type wharf foundation bed is reflected by the settlement displacement observation of the measurement observation points through a traditional measuring instrument. The settlement displacement of the whole wharf foundation pit and foundation bed in the construction period is difficult to monitor in the whole process by the traditional measuring instrument under the influence of incapability of direct measurement of underwater construction, complex water surface traffic, cross construction and the like; and the settlement displacement data collected by the system has artificial errors and can not accurately and timely reflect the settlement displacement condition of the wharf foundation bed due to the limitation of manual measurement. Meanwhile, the traditional measurement mode is to measure and monitor on a structure exposed out of the water surface, so that the gravity wharf bed is not directly measured, and the distortion condition exists in the measurement data.
Disclosure of Invention
The invention provides a gravity wharf foundation bed settlement monitoring system and an installation method thereof, which are used for solving the problems that the gravity wharf cannot monitor settlement displacement of the whole foundation tank and the foundation bed in the construction period and the monitoring data of the gravity wharf settlement displacement are not accurate and timely enough and distortion possibly exists in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a gravity dock bed settlement monitoring system, comprising: the system comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform;
the basic measuring unit of the array displacement meter is a displacement monitoring section, and each displacement monitoring section comprises an external stainless steel tube and an internally installed unit displacement meter;
the data transmission system comprises a data acquisition instrument;
each displacement monitoring section of the array displacement meter is connected in series through a mixed wire harness and is connected to the data acquisition instrument;
the monitoring and early warning cloud platform is arranged on the cloud server, and the monitoring and early warning cloud platform displays sedimentation data in a chart form and is communicated with the data acquisition instrument and a user in a wireless communication mode.
Further, two ends of the displacement monitoring joint are plugged, and the penetration and the penetrating positions of the wire harness from the displacement monitoring joint are sealed.
Further, the hybrid harness includes parallel traction wire ropes and jacketed cables.
Further, after the mixed wire harness is led out from the array displacement meter, the mixed wire harness is connected and fixed to a fixed seat on the shore, a stand column is fixed on the fixed seat, and the data acquisition instrument is arranged on the upper part of the stand column;
the armored cable of the hybrid harness is continuously connected to the data acquisition instrument from the fixing seat.
Further, a solar panel with a storage battery is further installed at the top of the upright post, and the solar panel supplies power for the data acquisition instrument and the array displacement meter.
Further, the unit displacement meter measures an inclination angle of the displacement monitoring section with respect to a gravitational direction using an acceleration sensor.
Further, the monitoring and early warning cloud platform calculates the measurement data of the array displacement meter into the three-dimensional displacement of each section of displacement monitoring section relative to the geometric center of the monitoring section, and the three-dimensional displacement is displayed in a three-dimensional line graph.
As a first embodiment, all displacement monitoring nodes of the array displacement meter are connected in series to form a single column, each node is spaced by 10m, the displacement monitoring nodes are arranged on the central line of the base bed surface, and the minimum distance between two ends of the array displacement meter and two ends of the base bed surface is smaller than 10m;
in a single row of the array displacement meter, a section of the displacement monitoring section close to the coast is fixed by a fixed steel frame to limit movement.
As a second embodiment, the array type displacement meter comprises a plurality of columns of displacement monitoring nodes, each of which is spaced by 10m, and the minimum distance from the edge line of the foundation bed in four directions is smaller than 10m;
in each single column of the array displacement meter, one section of the displacement monitoring section close to the coast is fixed by the same fixed steel frame to limit movement.
The gravity wharf foundation bed sedimentation monitoring system comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform, wherein the installation of the array displacement meter comprises the following steps:
horizontally laying an array displacement meter at a designated foundation bed position, and fixing one end of the array displacement meter close to a coast; after the array displacement meter is paved, backfilling fine sand with the thickness not smaller than 0.5m on the surface of the foundation bed, or paving sand bags with the thickness not smaller than 0.5 m.
The beneficial effects of the invention are as follows:
1. the solar panel storage battery is used as main power supply equipment, long-time normal operation under the condition of daily illumination can be ensured, uninterrupted monitoring can be set up by the monitoring and early warning platform matched with the cloud, and monitoring data has continuity.
2. The monitoring and early warning platform displays the whole settlement displacement condition by a chart, is relatively visual, reduces links for manually collecting and processing data, and avoids errors of manually processing the data.
3. The whole array type displacement meter is corrosion-resistant and impact-resistant by sleeving the steel tube on the displacement meter and sleeving the mixed wire harness sleeve.
4. The monitoring period relates to the whole process of foundation bed and subsequent construction, foundation bed settlement displacement conditions of each stage and process of construction and operation can be intuitively reflected, the data is comprehensive, and the traceability is high.
5. The equipment is simple to install, can be maintained for a long time, and has low use cost.
Drawings
FIG. 1 is a schematic diagram of the functional composition of the present invention;
FIG. 2 is a schematic illustration of a specific mounting arrangement of a first embodiment of the present invention;
fig. 3 is a schematic view of a specific installation arrangement of a second embodiment of the present invention.
Reference numerals illustrate:
1. a fixing seat; 2. a hybrid harness; 3. a column; 4. a chassis; 5. fixing a steel frame; 6. a displacement monitoring section; 7. a bed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further clearly and completely described in the following in conjunction with the embodiments of the present invention. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIG. 1, the gravity wharf bed sedimentation monitoring system mainly comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform. The array displacement meter can realize real-time monitoring of elements such as deep deformation displacement, surface deformation displacement, inclination angle and the like; the data transmission system collects, analyzes and stores the data of the array displacement meter, and transmits the data to the monitoring and early warning cloud platform in real time to process, analyze, store, display and release the data, and the monitoring and early warning cloud platform can also warn and remind a large area of sedimentation displacement change in various modes such as a system homepage, a mobile phone short message, a mail and the like, so that system interconnection interaction is realized.
As shown in FIG. 2, the settlement displacement is monitored by arranging an array displacement meter, the basic measuring unit of the array displacement meter is a displacement monitoring section, the outer layer of each displacement monitoring section is a 304 stainless steel pipe, the displacement meter is internally installed, and the two ends of each displacement monitoring section are blocked; the multi-section displacement monitoring section passes through the inside of the displacement monitoring section through the mixed wire harness and is connected in series, and the joint of the displacement monitoring section, which is penetrated and penetrated by the mixed wire harness, is subjected to sealing treatment; the mixed wire harness comprises a traction wire rope and a sheathed cable, the sheathed cable supplies power for the displacement meter in each displacement monitoring section and transmits monitoring information of the displacement meter, the traction wire rope is parallel to the sheathed cable and is responsible for traction of each displacement monitoring section, the mixed wire harness is connected to a fixed seat on the shore after being connected in series with each displacement monitoring section, the fixed seat has the size of 2 x 0.5m, the concrete pouring is carried out, and each part section of the mixed wire harness exposed to the seawater needs sleeve encapsulation in consideration of the corrosiveness of the seawater.
In the embodiment, the array displacement meter formed by the multiple sections of displacement monitoring sections is arranged at the central line of the base bed surface, the distance between each section is set to be 10m, and the length of the array displacement meter covers the whole base bed surface. In addition, for the array displacement meter, the first section displacement monitoring section closest to the coast is provided with a fixed steel frame, the fixed steel frame is made of steel pipes through welding, the lower part of the fixed steel frame is driven into the depth of 10 meters below the base surface, the upper part of the fixed steel frame is fixedly connected with the first section displacement monitoring section of the array displacement meter, and therefore the array displacement meter is prevented from traction of a mixed wire harness from the first section displacement monitoring section to the fixed seat, and displacement errors occur.
In the invention, a displacement meter in each displacement monitoring section uses a triaxial acceleration sensor to measure the inclination of a single section relative to the gravity direction, and the three-dimensional displacement of a measuring point (the geometric center position of the monitoring section) X, Y, Z can be calculated by using the measured data.
As shown in fig. 3, as a more preferable scheme, in this embodiment, the array displacement score is divided into a plurality of columns, each column is spaced by 10m, so that the whole array displacement meter covers the whole base surface in length and width, the upper part of the fixed steel frame is fixedly connected with the first section displacement monitoring section of each column of the array displacement meter, and the mixed wire bundles of each column are collected to the fixing seat. Other features of the second embodiment are the same as those of the above embodiment, and will not be described here again.
In the invention, in order to simplify the composition structure of the system as much as possible, a data acquisition instrument integrating data acquisition, data recording and data transmission is used as a functional main body of the data transmission system, and the data acquisition instrument uses 4g of network wireless communication to directly transmit data with a cloud server, so that the data acquisition system is efficient and cost-saving.
As shown in fig. 2 and 3, the fixing seat is provided with a stand column, the data acquisition instrument is arranged in the case, the case is arranged at the top of the stand column, the top of the stand column can be continuously provided with a solar panel with a storage battery, and the solar panel supplies power for the data acquisition instrument and the array displacement meter; after the mixed wire harness of the array displacement meter is connected to the fixing seat, a traction steel wire rope of the mixed wire harness is fixed at the fixing seat, and the armored cable part of the mixed wire harness is continuously connected to the data acquisition instrument.
The monitoring and early warning cloud platform is arranged on a cloud server, is communicated with a data acquisition system through 4g communication, is responsible for resolving data acquired by the data acquisition system, converts original measurement data into the X, Y, Z-axis three-dimensional offset of each measuring point (each displacement monitoring section geometric center), visually presents the three-dimensional offset in a three-dimensional line diagram form, and can simultaneously directly interact with a user through the Internet to provide the functions of disaster early warning, report statistics and the like.
The construction and installation steps of the invention are as follows:
a. and driving a fixed steel frame into one side of the foundation bed surface close to the coast to a depth of 10m below the foundation bed surface.
b. Foundation is made on the coast, a concrete fixing seat is poured, then an upright post with the height of 4m is installed on the concrete block, and a case provided with a data acquisition instrument and a solar panel are fixed on the upright post.
c. And horizontally laying an array displacement meter at the designated foundation bed position, and fixing the first displacement monitoring section by using a fixed steel frame.
d. The mixed wire harness is connected and fixed to the fixing seat, and the armored cable therein is connected to the data acquisition instrument in the case.
e. Backfilling the surface of the foundation bed with fine sand of at least 0.5m or paving sand bags with the thickness not less than 0.5 m.
f. The whole device is electrified to start data acquisition.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A gravity dock bed settlement monitoring system, comprising: the system comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform;
the basic measuring unit of the array displacement meter is a displacement monitoring section, and each displacement monitoring section comprises an external stainless steel tube and an internally installed unit displacement meter;
the data transmission system comprises a data acquisition instrument;
each displacement monitoring section of the array displacement meter is connected in series through a mixed wire harness and is connected to the data acquisition instrument;
the monitoring and early warning cloud platform is arranged on the cloud server, and the monitoring and early warning cloud platform displays sedimentation data in a chart form and is communicated with the data acquisition instrument and a user in a wireless communication mode.
2. The gravity dock bed settlement monitoring system of claim 1, wherein the displacement monitoring section is plugged at both ends and the harness is sealed from both the penetration and penetration of the displacement monitoring section.
3. The gravity dock bed settlement monitoring system of claim 2, wherein the hybrid harness comprises a parallel traction wire rope and a jacketed cable.
4. A gravity dock bed settlement monitoring system according to claim 3 wherein the hybrid harness is connected to and secured to a fixed seat on the shore after being led out from the array displacement meter, a column is secured to the fixed seat, and the data acquisition instrument is mounted on the upper part of the column;
the armored cable of the hybrid harness is continuously connected to the data acquisition instrument from the fixing seat.
5. The gravity dock bed settlement monitoring system of claim 4, wherein a solar panel with a battery is further mounted on top of the upright, the solar panel powering the data acquisition instrument and the array displacement meter.
6. The gravity dock bed settlement monitoring system of claim 5, wherein the unit displacement meter measures an inclination angle of the displacement monitoring section with respect to a direction of gravity using an acceleration sensor.
7. The gravity wharf foundation bed settlement monitoring system according to claim 6, wherein the measurement data of the array displacement meter by the monitoring and early warning cloud platform is calculated as the three-dimensional displacement of each displacement monitoring section relative to the geometrical center of the displacement monitoring section, and is displayed in a three-dimensional line graph.
8. The gravity dock foundation bed settlement monitoring system according to any one of claims 1 to 7, wherein all the displacement monitoring sections of the array displacement meter are connected in series to form a single column, each section is spaced by 10m, the displacement monitoring sections are arranged on a central line of the foundation bed surface, and the minimum distance between two ends of the array displacement meter and two ends of the foundation bed surface is less than 10m;
in a single row of the array displacement meter, a section of the displacement monitoring section close to the coast is fixed by a fixed steel frame to limit movement.
9. The gravity dock foundation bed settlement monitoring system of any one of claims 1 to 7, wherein the array displacement meter comprises a plurality of columns of displacement monitoring sections, each column being spaced 10m apart, and the minimum distance of the array displacement meter from the four directional edges of the foundation bed surface is less than 10m;
in each single column of the array displacement meter, one section of the displacement monitoring section close to the coast is fixed by the same fixed steel frame to limit movement.
10. The installation method of the gravity type wharf foundation bed sedimentation monitoring system comprises an array displacement meter, a data transmission system and a monitoring and early warning cloud platform, and is characterized in that the installation of the array displacement meter comprises the following steps:
horizontally laying an array displacement meter at a designated foundation bed position, and fixing one end of the array displacement meter close to a coast; after the array displacement meter is paved, backfilling fine sand with the thickness not smaller than 0.5m on the surface of the foundation bed, or paving sand bags with the thickness not smaller than 0.5 m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310290877.8A CN116558474A (en) | 2023-03-22 | 2023-03-22 | Gravity type wharf foundation bed settlement monitoring system and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310290877.8A CN116558474A (en) | 2023-03-22 | 2023-03-22 | Gravity type wharf foundation bed settlement monitoring system and installation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249803A (en) * | 2023-08-09 | 2023-12-19 | 中交第四航务工程局有限公司 | Deep foundation pit supporting upright post settlement monitoring and early warning method |
| CN118913360A (en) * | 2024-07-22 | 2024-11-08 | 布鲁克(苏州)工程有限公司 | Intelligent monitoring system and method for operation state of flexible protection engineering |
-
2023
- 2023-03-22 CN CN202310290877.8A patent/CN116558474A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249803A (en) * | 2023-08-09 | 2023-12-19 | 中交第四航务工程局有限公司 | Deep foundation pit supporting upright post settlement monitoring and early warning method |
| CN117249803B (en) * | 2023-08-09 | 2024-05-28 | 中交第四航务工程局有限公司 | Deep foundation pit supporting upright post settlement monitoring and early warning method |
| CN118913360A (en) * | 2024-07-22 | 2024-11-08 | 布鲁克(苏州)工程有限公司 | Intelligent monitoring system and method for operation state of flexible protection engineering |
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