CN112376594A - Intelligent water pressure monitoring equipment for anti-floating early warning - Google Patents
Intelligent water pressure monitoring equipment for anti-floating early warning Download PDFInfo
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- CN112376594A CN112376594A CN202011267652.3A CN202011267652A CN112376594A CN 112376594 A CN112376594 A CN 112376594A CN 202011267652 A CN202011267652 A CN 202011267652A CN 112376594 A CN112376594 A CN 112376594A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/083—Means for indicating or recording, e.g. for remote indication electrical
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Abstract
The invention relates to the technical field of constructional engineering and discloses intelligent water pressure monitoring equipment for anti-floating early warning, wherein an anti-floating blind ditch is arranged below or at the periphery of a basement, and the intelligent water pressure monitoring equipment comprises a water pressure observation pipe, a pressure measurement system main body structure, a pressure gauge component and a switch valve; the switch valve is used for opening or closing the water pressure observation pipe; the first end of the water pressure observation pipe is connected with the pressure measuring system main body structure, the second end of the water pressure observation pipe is arranged in the anti-floating blind ditch, and the pressure gauge component is connected to the pressure measuring system main body structure. According to the invention, the pressure of underground water in the anti-floating blind ditch can be monitored in real time through the water pressure observation pipe, the pressure measuring system main body structure and the pressure gauge component, and when the water pressure data displayed by the pressure gauge component exceeds a certain threshold value, the active drainage equipment is opened to pump and drain the underground water, so that the buoyancy force borne by the building can be reduced, and the safety of the building is ensured.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to intelligent water pressure monitoring equipment for anti-floating early warning.
Background
In recent years, with the rapid development of economy in China, underground spaces are also rapidly developed, more and more buildings with multi-layer basements extend downwards and are deeper, if the buildings are in regions with abundant underground water, the buildings can bear large buoyancy, if the number of layers of the upper structure is small, the self weight of the structure is difficult to resist the buoyancy, the safety of the buildings can be endangered, at the moment, an anti-floating design is needed, the traditional anti-floating design is generally that anti-floating anchor rods are arranged, the buoyancy is resisted by increasing the binding force between the buildings and the ground, however, the method needs a large number of anti-floating anchor rods, and if underground water is dredged and discharged by combining an anti-floating blind ditch, the number of the anti-floating anchor rods can be greatly reduced, and the cost is reduced. However, the measures including the anti-floating anchor rod and the anti-floating blind ditch are passive drainage, when the rainy season comes, the underground water is increased suddenly, the passive measures are probably not enough to drain the underground water around the building in time, the buoyancy is increased, and the safety of the building is endangered, so in areas with heavy rainfall, active drainage measures such as arranging a water pump are designed frequently, the underground water is pumped and drained when the underground water is more, however, the underground water is invisible below the ground, and when the water pump is started is a problem which is difficult to evaluate visually. The present invention is directed to solving this problem.
Disclosure of Invention
The invention aims to provide intelligent water pressure monitoring equipment for anti-floating early warning, and aims to solve the problem of how to evaluate when a water pump is started for active drainage in the prior art.
The invention is realized in this way, the invention is used for the intellectual water pressure monitoring equipment of the anti-floating early warning, there are anti-floating blind ditches below or around the basement, the stated intellectual water pressure monitoring equipment includes the water pressure observation tube, pressure measuring system body structure, pressure gage assembly and ooff valve; the switch valve is used for opening or closing the water pressure observation pipe; the first end of the water pressure observation pipe is connected with the pressure measuring system main body structure, the second end of the water pressure observation pipe is arranged in the anti-floating blind ditch, and the pressure gauge component is connected to the pressure measuring system main body structure.
Furthermore, the first end of the water pressure observation pipe is arranged in the basement, the water pressure observation pipe sequentially penetrates through the basement outer wall, the foundation pit fertilizer groove, the basement bottom plate and other structural layers, and the second end of the water pressure observation pipe extends into the anti-floating blind ditch to a certain depth.
Furthermore, a plurality of flower holes are formed in the second end of the water pressure observation pipe, and geotextile is wrapped on the outer side of the second end of the water pressure observation pipe.
Furthermore, a main body structure of the pressure measuring system is connected with a water pressure output end for outputting water pressure data of underground water.
Further, the manometer subassembly includes pressure sensor and manometer, pressure sensor locates in the pressure measurement system major structure for detect water pressure, the manometer is connected pressure measurement system major structure is last, is used for showing the water pressure data that pressure sensor surveyed.
Furthermore, the water pressure output end comprises a data acquisition circuit, a signal processing circuit and an A/D conversion module, the data acquisition circuit is used for acquiring and transmitting signal data acquired by the pressure sensor, and the signal processing circuit comprises an amplifier module and a filter module; the A/D conversion module is used for converting the analog signals of the water pressure data into digital signals.
Further, the measuring range of the pressure gauge assembly is 137kPa, and the precision is 0.1 kPa.
Further, the other construction layers comprise a plain concrete cushion layer, a polyethylene protective film, a water-guiding grid layer and/or a geotextile.
Further, the water pressure output end is connected to a computer, and the computer collects the water pressure data in real time and is used for mastering the pressure condition of underground water in real time; when the groundwater pressure reaches the set threshold value, the computer gives an alarm.
Further, the computer further comprises a data uploading module, and the data uploading module is used for uploading the water pressure data collected by the computer to a remote monitoring center.
Compared with the prior art, the intelligent water pressure monitoring equipment for anti-floating early warning provided by the invention can monitor the pressure of underground water in the anti-floating blind ditch in real time through the water pressure observation pipe, the pressure measuring system main body structure and the pressure gauge component, and when the water pressure data displayed by the pressure gauge component exceeds a certain threshold value, the active drainage equipment is opened to pump and drain the underground water, so that the buoyancy force borne by a building can be reduced, and the safety of the building is ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of an intelligent water pressure monitoring device for anti-floating pre-warning provided by the invention;
fig. 2 is a schematic view of the end of a water pressure observation tube of the intelligent water pressure monitoring device for anti-floating early warning provided by the invention.
Description of reference numerals:
1. a water pressure observation pipe; 2. a pressure measuring system main body structure; 3. a pressure gauge assembly; 4. a water pressure output end; 5. an on-off valve; 6. anti-floating blind ditches; 7. the tail end of the water pressure observation pipe; 8. geotextile; 9. a basement exterior wall; 10. the side wall of the foundation pit; 11. fertilizing a foundation pit; 12. a basement floor; 13. other structural layers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, a preferred embodiment of the present invention is shown.
The intelligent water pressure monitoring device for anti-floating early warning is characterized in that an anti-floating blind ditch 6 is arranged below or on the periphery of a basement, and comprises a water pressure observation pipe 1, a pressure measurement system main body structure 2, a pressure gauge component 3 and a switch valve 5; the switch valve 5 is used for opening or closing the water pressure observation pipe 1; the first end of the water pressure observation pipe 1 is connected with the pressure measurement system main structure 2, the second end of the water pressure observation pipe 1 is arranged in the anti-floating blind ditch 6, and the pressure gauge component 3 is connected on the pressure measurement system main structure 2 and used for detecting the water pressure of underground water.
The anti-floating blind ditch 6 is a gravel blind ditch consisting of gravels. The anti-floating blind ditch 6 is positioned below or at the periphery of the basement of the building, and the cross section of the anti-floating blind ditch can be of a trapezoidal structure with a wide top and a narrow bottom. One or two drain pipes can be arranged in the anti-floating blind ditch 6 if necessary, so that the underground water in the larger area of the anti-floating blind ditch 6 can smoothly enter the drain pipes, and then the underground water in the drain pipes can be pumped by a water pump, so that the underground water in the anti-floating blind ditch 6 can be more easily drained.
When the water pressure of the underground water in the anti-floating blind ditch 6 is too high, the underground water rises to the pressure measuring system main structure 2 through the water pressure observation pipe 1, and the pressure gauge component 3 can detect the water pressure of the underground water in the pressure measuring system main structure 2. When monitoring personnel see the water pressure data displayed on the pressure gauge component 3, corresponding treatment can be carried out, and when the water pressure data exceeds a certain threshold value, the active drainage equipment is opened to pump and drain the underground water in the anti-floating blind ditch 6, so that the water pressure is reduced; when the water pressure data does not reach a certain threshold value, the water pressure is small and is within a safety range, and the active drainage equipment does not need to be opened to pump and drain the underground water, so that the cost is saved.
The switch valve 5 is used for opening or closing the water pressure observation pipe 1, so as to prevent underground water from flowing back into the underground chamber through the water pressure observation pipe 1 in abnormal situations, for example, when the pressure gauge assembly 3 has a fault and needs to be repaired and replaced, the water pressure observation pipe 1 needs to be closed firstly, and the like. The switching valve 5 can adopt a ductile cast iron soft sealing gate valve, is labor-saving in opening and closing, and is compared with a stop valve because the movement direction of the gate plate is perpendicular to the flowing direction of a medium no matter whether the gate valve is opened or closed.
The intelligent water pressure monitoring facilities for anti early warning that floats that this embodiment provided, through water pressure observation pipe 1, pressure measurement system major structure 2 and manometer subassembly 3, but the groundwater pressure size in the anti blind ditch 6 that floats of real-time supervision, when the water pressure data that manometer subassembly 3 shows surpassed certain threshold value, the staff can in time handle the groundwater condition, if open initiative drainage device and take out groundwater pump drainage, can reduce the buoyancy that the building received, guarantee the safety of building.
The first end of the water pressure observation pipe 1 is arranged in the basement, the water pressure observation pipe 1 sequentially penetrates through the outer wall 9 of the basement, the foundation pit fertilizer groove 11, the bottom plate 12 of the basement and other structural layers 13, the second end of the water pressure observation pipe 1 extends into the anti-floating blind ditch 6 to a certain depth, and the second end of the water pressure observation pipe 1 extends into the anti-floating blind ditch 6 to a depth which is not too deep and can generally extend into the anti-floating blind ditch by 500 millimeters. The water pressure observation pipe 1 is protected by a rigid waterproof sleeve pipe at the position of penetrating through the outer wall 9 of the basement.
The foundation pit fertilizer groove 11 is located between the basement outer wall 9 and the foundation pit side wall 10, and the foundation pit fertilizer groove 11 refers to a part which is excavated for providing a working surface, and generally refers to a space between the basement outer wall 9 or the foundation outer wall of a building and the foundation pit edge.
The other structural layers 13 comprise plain concrete cushion layers, polyethylene protective films, water-guiding mesh layers and/or geotextiles, and specific structures are shown in specific project design drawings. Plain concrete is a simple concrete, and compared with reinforced concrete, concrete is a slurry body formed by mixing cement, sand and stone materials (coarse aggregate and fine aggregate) and water according to a certain proportion (called mixing ratio), and can be dried and solidified after a certain period of time, so that the concrete is firm and plays an important role in building engineering. Plain concrete is the structure of being made by the concrete that does not have the muscle or dispose the atress reinforcing bar, and the bed course refers to the structural layer of locating the basic unit below, and plain concrete bed course effect: the water-proof, drainage and antifreezing agent can improve the working conditions of the base layer and the soil foundation, has better water stability requirement, and reduces the erosion of underground water and the like to the reinforced concrete of the base. The polyethylene protective film has the functions of water resistance and water isolation. The polyethylene protective film adopts a 0.06mm polyethylene film and adopts a lap joint mode, and the lap joint length is 200 mm. The filtering membrane of the water guide grid layer plays a role in filtering sand and gravel and prevents the sand and gravel from damaging the polyethylene protective film above the filtering membrane. Geotextile, also known as geotextile, is a water permeable geosynthetic material made of synthetic fibers by needling or weaving, where 250g/m can be used2The geotextile.
In the work progress, need reserve the aperture on basement outer wall 9, basement bottom plate 12 and other construction layer 13 to the place of water pressure observation pipe 1, water pressure observation pipe 1 places and accomplishes the back, seals the aperture with waterproof material, so that groundwater leaks out through the gap between aperture and the water pressure observation pipe 1.
The second end of the water pressure observation tube 1, namely the tail end 7 of the water pressure observation tube, is inserted into the anti-floating blind ditch 6 and is used for measuring the water pressure in the anti-floating blind ditch 6. The hydraulic observation tube end 7 is drilled with a plurality of eyelets, for example: the apertures of the flower holes are 10mm, the number of the flower holes is 5, the water pressure observation pipe 1 can be fully contacted with underground water through drilling the flower holes, and measuring errors are reduced. Meanwhile, in order to prevent sundries from entering the water pressure observation tube 1 through the flower holes and the tail end 7 of the water pressure observation tube, the outer side of the tail end 7 of the water pressure observation tube is wrapped with the needle-punched geotextile 8.
Geotextiles, also known as geotextiles, are water permeable geosynthetic materials made of synthetic fibers by needling or weaving. The geotextile is one of new material geosynthetic materials, and the finished product is in a cloth shape, generally has a width of 4-6 meters and a length of 50-100 meters. The geotextile is divided into woven geotextile and non-woven filament geotextile. The needle-punched geotextile is divided into filament spun-bonded needle-punched non-woven geotextile and polyester staple fiber needle-punched non-woven geotextile. The filament spun-bonded needle-punched non-woven geotextile is produced by adopting high-quality polyester chips through high-temperature melting, spinning to form a net and needle punching to form a cloth, has higher tensile strength, tear strength and bursting strength, plays a role in reinforcement protection in engineering, and is generally applied to engineering such as highways, railways, dams, hydraulic buildings, tunnels, refuse landfills and the like. The polyester staple fiber needle-punched non-woven geotextile is formed by needle punching polyester staple fibers, has good water filtration performance and low price, plays roles of reinforcement protection and liner reverse filtration in engineering, and is generally applied to isolation, reverse filtration and drainage parts of civil engineering. In the embodiment, the ends of the water pressure observation pipes 1 extending into the anti-floating blind ditches 6 can be wrapped by polyester staple fiber needle-punched non-woven geotextile, so that the water filtering performance is good.
The water pressure observation tube 1 is made of HDPE (High Density Polyethylene) with a diameter of about 20-50mm, and has a series of advantages of stable and reliable interface, impact resistance, cracking resistance, aging resistance, corrosion resistance and the like. The pipe is convenient to construct and install, safe and reliable in connection and meets the requirement of a water pressure monitoring pipe.
And the pressure measuring system main body structure 2 is connected with a water pressure output end 4 for outputting water pressure data of underground water.
The pressure gauge component 3 comprises a pressure sensor and a pressure gauge, the pressure sensor is arranged in the pressure measuring system main structure 2 and used for detecting water pressure, and the pressure gauge is connected to the pressure measuring system main structure 2 and used for displaying water pressure data measured by the pressure sensor. In this embodiment, the preferred range of the pressure gauge assembly 3 is 137kPa with an accuracy of 0.1 kPa.
The water pressure output end 4 comprises a data acquisition circuit, a signal processing circuit and an A/D conversion module, the data acquisition circuit is used for acquiring and transmitting signal data acquired by the pressure sensor, the signal processing circuit comprises an amplifier module and a filter module, the amplifier module plays a role in signal amplification, and the filter module filters signals to eliminate the influence of signal noise; the A/D conversion module is used for converting the analog signal of the water pressure data into a digital signal so as to facilitate the subsequent processing of the signal by a computer.
The water pressure output end 4 is connected to a computer, and the computer collects water pressure data in real time and is used for mastering the pressure condition of underground water in real time; when the underground water pressure reaches the set threshold value, the computer generates alarm information, pops up an alarm window or sends out the alarm information, for example, a buzzer is started, monitoring personnel are reminded to perform proper treatment according to the water pressure condition in time, if the water pressure of the underground water exceeds the set threshold value, the active drainage equipment is opened, and if underground water is pumped and drained through the water pump, the water pressure of the underground water is reduced in time, the buoyancy force borne by the building is reduced, and the safety of the building is guaranteed. The buzzer can be connected with the computer through the relay, when the water pressure exceeds a set threshold value, the computer controls the relay to be closed, and the buzzer is started to give an alarm.
The computer can count and process the collected water pressure data and can be used for displaying and storing the processed water pressure data.
The computer also comprises a data uploading module which is used for uploading the water pressure data collected by the computer to a remote monitoring center, so that monitoring personnel can know the water pressure condition of underground water below the building in real time in a remote way without being used on the spot, and the water pump can be remotely operated to pump and drain the underground water and finish pumping and draining. The water pressure data is transmitted to the remote monitoring center in real time, data records and daily/monthly/quarterly/annual groundwater pressure graph curves are formed, and important monitoring is conducted in special time periods, such as spring and summer seasons with more rainwater, so that monitoring work is guaranteed, and accidents are avoided.
In order to comprehensively monitor the water pressure condition of underground water below a building, a plurality of water pressure monitoring points can be arranged at the bottom plate 12 of the basement, the distance is about 50m, and the foundation and the pillars of the building are avoided; a plurality of water pressure monitoring points can be arranged in different areas below or on the periphery of the basement, and can be arranged at different depths below the earth surface according to actual conditions. For the stepped multi-stage building foundation pit, a water pressure monitoring point is additionally arranged between the inner wall of the high-low span foundation pit and the outer wall of the building, so that the situation that the water pressure on the outer wall of the building is overlarge due to large longitudinal drainage quantity between blocks with large height difference is prevented, and the distance can be set to be about 20 m; if the water level and the water head pressure value are detected to be abnormal, the water pump is immediately started to discharge underground water in an emergency mode, detection is carried out at least once every week after treatment is finished, and the number of detection times per month is not less than 4.
The embodiment discloses an intelligent water pressure monitoring facilities for anti design of floating, includes: the device comprises a water pressure observation pipe 1, a pressure measuring system main body structure 2, a pressure gauge component 3, a water pressure output end 4, a switch valve 5, a water pressure observation pipe end 7 inserted into an anti-floating blind ditch 6, geotextile 8 wrapped around the water pressure observation pipe end 7, and the like, wherein the water pressure observation pipe 1 can penetrate through a basement outer wall 9, a foundation pit fertilizer trough 11 between the basement outer wall 9 and a base layer side wall, a basement bottom plate 12, other structural layers 13 and the anti-floating blind ditch 6, the flower holes are drilled at the water pressure observation pipe end 7 in the construction process, the geotextile 8 is wrapped around the water pressure observation pipe end 7, the switch valve 5 is required to be arranged in the basement of the water pressure observation pipe 1 to prevent underground water from flowing back into the underground chamber through the water pressure observation pipe 1, the measured water pressure data is transmitted to a computer through the water pressure output end 4 to monitor the underground water pressure in real time, and give, reminding workers to open the active drainage equipment to pump and drain the underground water, and further achieving the purposes of reducing the buoyancy borne by the building and ensuring the safety of the building.
The intelligent water pressure monitoring method for the anti-floating early warning is matched with the intelligent water pressure monitoring equipment for the anti-floating early warning, and can comprise the following steps:
s01: monitoring the water pressure of underground water at each water pressure monitoring point in real time;
s02: the water pressure data collected by each water pressure monitoring point is transmitted to a local data monitoring center or a computer corresponding to the water pressure data after being amplified, filtered, A/D converted and the like;
s03: storing and processing the water pressure data by using a local data monitoring center or a computer, for example, carrying out statistics, forming a graph curve, screening, judging whether the water pressure data exceeds a set threshold value or not, and the like;
s04: uploading the water pressure data to a remote monitoring center, and processing and analyzing the monitoring data transmitted by each local data monitoring center or computer by using the remote monitoring center;
s05: when the water pressure data exceeds a set threshold value, popping up a window in a remote monitoring center to remind or give an alarm sound; or when the water pressure data of a plurality of water pressure monitoring points are abnormal, a serious alarm is sent out in the remote monitoring center;
s06: when the water pressure data exceeds a set threshold value, automatically opening a water pump corresponding to the water pressure monitoring point position to pump and drain underground water; or after the water pressure situation displayed by the pressure gauge component 3 is rechecked from a water pressure monitoring point by a worker, the water pump is started to pump and drain the underground water; until the water pressure data returns to below the set threshold.
Through the steps, the water pressure of underground water can be monitored remotely and intelligently, early warning information is provided, abnormal water pressure conditions are processed timely, and the safety of a building is guaranteed.
As an intelligent anti-floating system matched with intelligent water pressure monitoring equipment for anti-floating early warning, a multifunctional landscape pool for anti-floating underground drainage can be arranged at the periphery of the basement, the multifunctional landscape pool comprises a pool body and a water guide pipe, one end of the water guide pipe is communicated with the pool body, and the other end of the water guide pipe extends into an anti-floating blind ditch 6; the underground water in the anti-floating blind ditch 6 is guided to the pool body through the water guide pipe. The water guide pipe penetrates through the pool body, the basement bottom plate 12, other structural layers and the anti-floating blind ditch 6, and the tail end of the water guide pipe is wrapped with a layer of geotextile 8.
The valve is arranged on the water guide pipe and is used for opening or closing the water guide pipe 2; when the valve 3 is opened, under the action of water pressure, underground water in the anti-floating blind ditch 6 can be guided into the pool body through the water guide pipe to serve as a landscape pool, and meanwhile, the buoyancy of the underground water to a building is reduced; when the valve is closed, the water in the tank body can be prevented from flowing back to the anti-floating blind ditch 6.
When the water level in the pool body reaches a certain height, the valve is closed, and a certain amount of water is stored to be used as a landscape; when the pressure of underground water is higher, the valve can be opened, and a way for discharging the underground water is added, so that the buoyancy force borne by the building is greatly reduced, and the safety of the building is ensured.
The multifunctional landscape pool also comprises a drain pipe used for draining the water in the pool body. The drain pipe can set up the one corner at the cell body, sets up the water pump on the drain pipe, when rainy season underground when more, opens the water pump, lasts the water with in the cell body and passes through drain pipe discharge cell body to groundwater can last get into the cell body through the aqueduct, and then reduces the buoyancy that the building received, guarantees the building security.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The intelligent water pressure monitoring equipment for anti-floating early warning is characterized in that an anti-floating blind ditch is arranged below or at the periphery of a basement, and comprises a water pressure observation pipe, a pressure measurement system main structure, a pressure gauge component and a switch valve; the switch valve is used for opening or closing the water pressure observation pipe; the first end of the water pressure observation pipe is connected with the pressure measuring system main body structure, the second end of the water pressure observation pipe is arranged in the anti-floating blind ditch, and the pressure gauge component is connected to the pressure measuring system main body structure.
2. The intelligent water pressure monitoring device for anti-floating pre-warning as claimed in claim 1, wherein a first end of the water pressure observation pipe is arranged in the basement, the water pressure observation pipe sequentially passes through the basement outer wall, the foundation pit fertilizer groove, the basement bottom plate and other constructional layers, and a second end of the water pressure observation pipe extends into the anti-floating blind ditch to a certain depth.
3. The intelligent water pressure monitoring device for the anti-floating pre-warning as claimed in claim 2, wherein the second end of the water pressure observation tube is provided with a plurality of flower holes, and the outside of the second end of the water pressure observation tube is wrapped with geotextile.
4. The intelligent water pressure monitoring device for the anti-floating pre-warning as claimed in claim 3, wherein a water pressure output end is connected to the pressure measuring system main body structure and used for outputting water pressure data of underground water.
5. The intelligent water pressure monitoring device for anti-floating pre-warning as claimed in claim 4, wherein the pressure gauge assembly comprises a pressure sensor and a pressure gauge, the pressure sensor is arranged in the pressure measuring system main structure and used for detecting water pressure, and the pressure gauge is connected to the pressure measuring system main structure and used for displaying water pressure data measured by the pressure sensor.
6. The intelligent water pressure monitoring device for the anti-floating pre-warning as claimed in claim 5, wherein the water pressure output end comprises a data acquisition circuit, a signal processing circuit and an A/D conversion module, the data acquisition circuit is used for acquiring and transmitting signal data acquired by the pressure sensor, and the signal processing circuit comprises an amplifier module and a filter module; the A/D conversion module is used for converting the analog signals of the water pressure data into digital signals.
7. The intelligent water pressure monitoring device for the anti-floating pre-warning as claimed in any one of claims 1-6, wherein the measuring range of the pressure gauge component is 137kPa, and the precision is 0.1 kPa.
8. The intelligent water pressure monitoring device for the anti-floating pre-warning according to any one of claims 2 to 6, wherein the other construction layers comprise a plain concrete cushion layer, a polyethylene protective film, a water-guiding mesh layer and/or a geotextile.
9. The intelligent water pressure monitoring device for the anti-floating early warning as claimed in any one of claims 4 to 6, wherein the water pressure output end is connected to a computer, and the computer collects the water pressure data in real time for mastering the pressure condition of underground water in real time; when the groundwater pressure reaches the set threshold value, the computer gives an alarm.
10. The intelligent water pressure monitoring device for anti-floating pre-warning as claimed in claim 9, wherein the computer further comprises a data uploading module for uploading the water pressure data collected by the computer to a remote monitoring center.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250248A (en) * | 2021-05-17 | 2021-08-13 | 四川康久美建筑工程有限公司 | Pressure leakage and pressure relief device under existing building anti-floating layer and construction method thereof |
| CN114001795A (en) * | 2021-11-01 | 2022-02-01 | 国网北京市电力公司 | Liquid level monitoring method and device, computer readable medium and processor |
| CN116580536A (en) * | 2023-05-17 | 2023-08-11 | 广东省地质建设工程勘察院 | Early warning method and device for anti-floating water level of building underground structure |
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| CN113250248A (en) * | 2021-05-17 | 2021-08-13 | 四川康久美建筑工程有限公司 | Pressure leakage and pressure relief device under existing building anti-floating layer and construction method thereof |
| CN114001795A (en) * | 2021-11-01 | 2022-02-01 | 国网北京市电力公司 | Liquid level monitoring method and device, computer readable medium and processor |
| CN114001795B (en) * | 2021-11-01 | 2023-11-03 | 国网北京市电力公司 | Liquid level monitoring method, liquid level monitoring device, computer readable medium and processor |
| CN116580536A (en) * | 2023-05-17 | 2023-08-11 | 广东省地质建设工程勘察院 | Early warning method and device for anti-floating water level of building underground structure |
| CN116580536B (en) * | 2023-05-17 | 2024-01-30 | 广东省地质建设工程勘察院 | Early warning method and device for anti-floating water level of building underground structure |
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