CN218952264U - Ocean pile foundation monitoring system - Google Patents
Ocean pile foundation monitoring system Download PDFInfo
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- CN218952264U CN218952264U CN202222702961.XU CN202222702961U CN218952264U CN 218952264 U CN218952264 U CN 218952264U CN 202222702961 U CN202222702961 U CN 202222702961U CN 218952264 U CN218952264 U CN 218952264U
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Abstract
The utility model provides a marine pile foundation monitoring system which is used for being installed on a pile foundation, wherein the marine pile foundation monitoring system comprises a data acquisition base station and at least one monitoring component, and the monitoring component comprises an inclinometer, an acceleration sensor and a pressure sensor; the inclinometer is arranged on the outer wall of the pile foundation and is used for measuring the inclination angle of the pile foundation; the acceleration sensor is arranged on the outer wall of the pile foundation and used for measuring the shaking acceleration of the pile foundation; the number of the pressure sensors is multiple, and the pressure sensors are arranged on the outer wall of the pile foundation at intervals from top to bottom and are used for measuring the pressure of waves on the outer wall of the pile foundation; the data acquisition base station is respectively and electrically connected with the inclinometer, the acceleration sensor and the pressure sensor and is used for acquiring monitoring data and transmitting the monitoring data to the land server. The utility model solves the problems that the monitoring means of pile foundation stability is single and the stability of the pile foundation cannot be comprehensively reflected at present.
Description
Technical Field
The utility model belongs to the technical field of pile foundations, and particularly relates to a marine pile foundation monitoring system.
Background
With the rapid development of economy, people have started to build foundation projects such as deep water wharfs, cross-sea bridges and the like under offshore, deep water and complex foundation conditions, and marine pile foundations are widely applied. The quality of pile foundation engineering directly affects the safety of the whole structure and also relates to the life and property safety of people. In the use process of the pile foundation, the stability of the pile foundation can be influenced by severe hydrology and meteorological environment conditions, and serious safety accidents can be possibly caused without an effective monitoring and early warning system.
According to the research of constructing ports, the construction method is often in a non-shielding state under the conditions of open sea and deep water in the construction process, the construction operation is often carried out in the open sea, the attack of strong wind, strong waves and hidden currents is often carried out, and the engineering construction period is greatly prolonged due to the fact that no effective temporary protection measures are available. At present, pile foundation engineering is widely used for foundation construction of wharfs and bridge engineering in the fields of traffic, hydraulic engineering and the like, so that the stability of the pile foundation is very important to monitor.
Most of ocean pile foundation monitoring at present has single monitoring means, and the stability of the pile foundation cannot be comprehensively reflected.
Disclosure of Invention
The utility model aims to provide a marine pile foundation monitoring system which aims to solve the problem that the pile foundation stability monitoring means at the present stage is single and the stability of a pile foundation cannot be comprehensively reflected.
The utility model is realized by the following technical scheme:
the marine pile foundation monitoring system is used for being installed on a pile foundation and comprises a data acquisition base station and at least one monitoring component, wherein the monitoring component comprises an inclinometer, an acceleration sensor and a pressure sensor;
the inclinometer is arranged on the outer wall of the pile foundation and is used for measuring the inclination angle of the pile foundation;
the acceleration sensor is arranged on the outer wall of the pile foundation and used for measuring the shaking acceleration of the pile foundation;
the number of the pressure sensors is multiple, and the pressure sensors are arranged on the outer wall of the pile foundation at intervals from top to bottom and are used for measuring the pressure of waves on the outer wall of the pile foundation;
the data acquisition base station is respectively and electrically connected with the inclinometer, the acceleration sensor and the pressure sensor and is used for acquiring monitoring data and transmitting the monitoring data to the land server.
Further, the monitoring assembly further comprises a first section steel, the first section steel is installed on the outer wall of the pile foundation, and the inclinometer and the acceleration sensor are arranged on the first section steel.
Further, the monitoring assembly further comprises second section steel, the second section steel is installed on the outer wall of the pile foundation and vertically arranged, and the pressure sensors are arranged on the second section steel from top to bottom at intervals.
Further, the data acquisition base station comprises a distribution box, a vertical rod, a data acquisition instrument and a solar panel, wherein the vertical rod is vertically arranged, the solar panel is arranged at the top end of the vertical rod and is electrically connected with the data acquisition instrument, the distribution box and the data acquisition instrument are arranged on the vertical rod, the distribution box is electrically connected with the data acquisition instrument, and the data acquisition instrument is electrically connected with the inclinometer, the acceleration sensor and the pressure sensor respectively.
Further, stay bars are respectively arranged between the two sides of the vertical rod and the solar panel.
Further, the quantity of monitoring subassembly is two, and two monitoring subassemblies are installed on the pile foundation along pile foundation circumference interval, on the pile foundation cross section, and the line at two monitoring subassemblies and pile foundation center is 90 degrees.
Further, the inclinometer is a biaxial inclinometer.
Compared with the prior art, the utility model has the beneficial effects that: the magnitude and the mode of the wave pressure of the pile foundation under the wave action can be intuitively known through the data collected by the pressure sensor, and the occurrence period of extreme large waves and storm surge can be intuitively known from the wave pressure record value; calculating rolling, pitching and other data of the pile foundation by means of the inclination angle measured by the inclinometer, and intuitively displaying the shaking amplitude of the pile foundation; the data of the pressure sensor and the inclinometer are mapped through the data record of the acceleration sensor, so that the stability monitoring of the pile foundation is supplemented, the accuracy of judging the stability of the pile foundation is greatly improved, and the pile foundation stability monitoring requirement under various wave conditions is met; the utility model can be suitable for wave monitoring of various sea areas and sea conditions, and can be widely applied to autonomous monitoring and early warning operation of ocean pile foundations.
Drawings
FIG. 1 is a schematic diagram of a marine pile foundation monitoring system according to the present utility model;
fig. 2 is a schematic structure of a data acquisition base station in the marine pile foundation monitoring system of the present utility model.
In the figure, 1-pile foundation, 2-inclinometer, 3-acceleration sensor, 4-pressure sensor, 5-first shaped steel, 6-second shaped steel, 7-block terminal, 8-pole setting, 9-data acquisition instrument, 10-solar panel, 11-vaulting pole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a marine pile foundation 1 monitoring system according to the present utility model, and fig. 2 is a schematic structural diagram of a data acquisition base station in the marine pile foundation 1 monitoring system according to the present utility model. The marine pile foundation 1 monitoring system is used for being installed on a pile foundation 1, the marine pile foundation 1 monitoring system comprises a data acquisition base station and at least one monitoring component, and the monitoring component comprises an inclinometer 2, an acceleration sensor 3 and a pressure sensor 4; the data acquisition base station is electrically connected with the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4. The stability of the ocean pile foundation 1 is monitored by a monitoring system consisting of the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4, and the system meets the stability monitoring requirements of the pile foundation 1 under various wave conditions.
Specifically, inclinometer 2 is installed on the outer wall of pile foundation 1 for measure pile foundation 1 inclination, can calculate pile foundation 1 top's displacement through measuring pile foundation 1 inclination: s=l sin θ, where S is pile top displacement of the pile foundation, L is a distance from a depth of a limit horizontal soil resistance turning point to the pile top, θ is a pile foundation inclination angle, and a shaking amplitude of the pile foundation 1 is intuitively displayed. In one embodiment, inclinometer 2 is a dual axis inclinometer.
The acceleration sensor 3 is installed on the outer wall of the pile foundation 1 and is used for measuring the shaking acceleration of the pile foundation 1 so as to judge the suddenly generated wave conditions, and the data size of the pressure sensor 4 and the inclinometer 2 are mapped in turn to supplement the stability monitoring of the pile foundation 1.
To facilitate the installation of the inclinometer 2 and the acceleration sensor 3 on the pile foundation 1, in one embodiment, the monitoring assembly further comprises a first section steel 5, the first section steel 5 is installed on the outer wall of the pile foundation 1, and the inclinometer 2 and the acceleration sensor 3 are arranged on the first section steel 5. The inclinometer 2 and the acceleration sensor 3 can be mounted on the first section steel 5 in advance, and then the first section steel 5 is mounted on the top end of the pile foundation 1, so that the inclinometer 2 and the acceleration sensor 3 can be mounted conveniently and rapidly.
The quantity of the pressure sensors 4 is multiple, the multiple pressure sensors 4 are arranged on the outer wall of the pile foundation 1 from top to bottom at intervals and used for measuring the pressure of waves on the outer wall of the pile foundation 1 to obtain the wave pressure born by the pile foundation 1 at different tide level elevations, the wave pressure and the mode born by the pile foundation 1 under the wave action can be intuitively understood, and the period of occurrence of extreme waves and storm surge can be intuitively understood from the wave pressure record value. The height position of the pressure sensors 4 is determined by the wave conditions of the sea area, so as to adapt to the monitoring requirements of different sea conditions. And if the lowest monitoring point and the highest monitoring point are controlled according to the past annual wave height and the water level data, the monitoring points are set in a layered mode. In one embodiment, a plurality of pressure sensors 4 are arranged upward from 0.5m below the low tide level, and the distance between two adjacent pressure sensors 4 is 30cm.
To facilitate the installation of the plurality of pressure sensors 4 on the pile foundation 1, in one embodiment, the monitoring assembly further comprises a second section steel 6, the second section steel 6 is installed on the outer wall of the pile foundation 1 and is vertically arranged, and the plurality of pressure sensors 4 are arranged on the second section steel 6 from top to bottom at intervals. The pressure sensors 4 can be arranged on the second section steel 6 in advance, and then the second section steel 6 is arranged on the outer wall of the pile foundation 1, so that the installation of the pressure sensors 4 can be completed, and the installation is convenient and quick. In one embodiment, the pressure sensor 4 is fastened to the second section steel 6 by means of bolts.
The data acquisition base station is respectively and electrically connected with the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4 and is used for acquiring monitoring data and transmitting the monitoring data to the land server. The data monitored by the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4 are collected to a data acquisition base station on the shore, and the data acquisition base station transmits the monitoring data to a land server at intervals. The land server receives monitoring data sent by the data acquisition base station in real time, forms real-time monitoring on projects such as wave pressure, displacement of the pile foundation 1 and the like, performs comparison early warning analysis on the measured data and a parameter threshold value, records displacement conditions of the monitored pile foundation 1 under the influence of wave action and other factors, further obtains instability conditions of the pile foundation 1, and timely performs early warning analysis.
In an embodiment, the data acquisition base station comprises a distribution box 7, a vertical rod 8, a data acquisition instrument 9 and a solar panel 10, wherein the vertical rod 8 is vertically arranged, the solar panel 10 is arranged at the top end of the vertical rod 8 and is electrically connected with the data acquisition instrument 9, the distribution box 7 and the data acquisition instrument 9 are arranged on the vertical rod 8, the distribution box 7 is electrically connected with the data acquisition instrument 9, and the data acquisition instrument 9 is electrically connected with the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4 respectively. The pole setting 8 is the cylinder support of block terminal 7, data acquisition appearance 9 and solar panel 10, and solar panel 10 can convert solar energy and give data acquisition appearance 9 power supply, and when solar panel 10 power supply was not enough, accessible block terminal 7 was supplied power. The data acquisition device 9 receives the monitoring data of the inclinometer 2, the acceleration sensor 3 and the pressure sensor 4, and transmits the data to the land server. In one embodiment, a brace 11 is provided between each side of the upright 8 and the solar panel 10. This arrangement enables the solar panel 10 to be more firmly secured to the top end of the pole 8.
In an embodiment, the number of the monitoring components is two, the two monitoring components are installed on the pile foundation 1 along the circumferential direction of the pile foundation 1 at intervals, and on the cross section of the pile foundation 1, the connecting line between the two monitoring components and the center of the pile foundation 1 is 90 degrees. The two monitoring components are arranged in different directions of the pile foundation 1 so as to monitor the instability conditions of the pile foundation 1 in different directions.
Compared with the prior art, the utility model has the beneficial effects that: the magnitude and the mode of the wave pressure of the pile foundation 1 under the wave action can be intuitively known through the data collected by the pressure sensor 4, and the occurrence period of extreme large waves and storm surge can be intuitively known from the wave pressure record value; calculating data such as roll and pitch of the pile foundation 1 by means of the inclination angle measured by the inclinometer 2, and intuitively displaying the shaking amplitude of the pile foundation 1; the data of the pressure sensor 4 and the inclinometer 2 are mapped through the data record of the acceleration sensor 3, so that the stability monitoring of the pile foundation 1 is supplemented, the accuracy of judging the stability of the pile foundation 1 is greatly improved, and the stability monitoring requirement of the pile foundation 1 under various wave conditions is met; the utility model can be suitable for wave monitoring of various sea areas and sea conditions, and can be widely applied to autonomous monitoring and early warning operation of the marine pile foundation 1.
The present utility model is not limited to the preferred embodiments, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model will still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. The marine pile foundation monitoring system is characterized by being arranged on a pile foundation and comprises a data acquisition base station and at least one monitoring component, wherein the monitoring component comprises an inclinometer, an acceleration sensor and a pressure sensor;
the inclinometer is arranged on the outer wall of the pile foundation and is used for measuring the inclination angle of the pile foundation;
the acceleration sensor is arranged on the outer wall of the pile foundation and used for measuring the shaking acceleration of the pile foundation;
the number of the pressure sensors is multiple, and the pressure sensors are arranged on the outer wall of the pile foundation at intervals from top to bottom and are used for measuring the pressure of waves on the outer wall of the pile foundation;
the data acquisition base station is respectively and electrically connected with the inclinometer, the acceleration sensor and the pressure sensor and is used for acquiring monitoring data and transmitting the monitoring data to the land server.
2. The marine pile foundation monitoring system of claim 1, wherein the monitoring assembly further comprises a first section steel mounted on an outer wall of the pile foundation, and the inclinometer and the acceleration sensor are disposed on the first section steel.
3. The marine pile foundation monitoring system of claim 1, wherein the monitoring assembly further comprises a second section steel, the second section steel is mounted on an outer wall of the pile foundation and is vertically arranged, and the plurality of pressure sensors are arranged on the second section steel from top to bottom at intervals.
4. The marine pile foundation monitoring system of claim 1, wherein the data acquisition base station comprises a distribution box, a vertical rod, a data acquisition instrument and a solar panel, wherein the vertical rod is vertically arranged, the solar panel is arranged at the top end of the vertical rod and is electrically connected with the data acquisition instrument, the distribution box and the data acquisition instrument are arranged on the vertical rod, the distribution box is electrically connected with the data acquisition instrument, and the data acquisition instrument is electrically connected with the inclinometer, the acceleration sensor and the pressure sensor respectively.
5. The marine pile foundation monitoring system of claim 4, wherein a brace is provided between each of the two sides of the upright and the solar panel.
6. The marine pile foundation monitoring system of claim 1, wherein the number of the monitoring assemblies is two, the two monitoring assemblies are mounted on the pile foundation at intervals along the circumferential direction of the pile foundation, and the connecting line between the two monitoring assemblies and the center of the pile foundation is 90 degrees on the cross section of the pile foundation.
7. The marine pile foundation monitoring system of claim 1, wherein the inclinometer is a dual-axis inclinometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702961.XU CN218952264U (en) | 2022-10-13 | 2022-10-13 | Ocean pile foundation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702961.XU CN218952264U (en) | 2022-10-13 | 2022-10-13 | Ocean pile foundation monitoring system |
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| Publication Number | Publication Date |
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| CN218952264U true CN218952264U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222702961.XU Active CN218952264U (en) | 2022-10-13 | 2022-10-13 | Ocean pile foundation monitoring system |
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| CN (1) | CN218952264U (en) |
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- 2022-10-13 CN CN202222702961.XU patent/CN218952264U/en active Active
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