CN115492142B - Monitoring and control system for non-uniform water lowering and draining of large deep foundation pit - Google Patents
Monitoring and control system for non-uniform water lowering and draining of large deep foundation pit Download PDFInfo
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- CN115492142B CN115492142B CN202210737725.3A CN202210737725A CN115492142B CN 115492142 B CN115492142 B CN 115492142B CN 202210737725 A CN202210737725 A CN 202210737725A CN 115492142 B CN115492142 B CN 115492142B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 324
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000007405 data analysis Methods 0.000 claims abstract description 52
- 239000002349 well water Substances 0.000 claims abstract description 42
- 235000020681 well water Nutrition 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 claims abstract description 32
- 238000013500 data storage Methods 0.000 claims abstract description 21
- 230000003993 interaction Effects 0.000 claims abstract description 20
- 238000001556 precipitation Methods 0.000 claims description 111
- 238000005086 pumping Methods 0.000 claims description 36
- 230000008859 change Effects 0.000 claims description 25
- 238000010586 diagram Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003809 water extraction Methods 0.000 claims 3
- 239000003673 groundwater Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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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
- E02D19/10—Restraining of underground water by lowering level of ground water
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Abstract
The invention discloses an intelligent monitoring and controlling system for non-uniform dewatering and drainage of a large deep foundation pit, which comprises a dewatering well, an observation well, a water suction pump arranged in the dewatering well, a dewatering well water level gauge arranged in the dewatering well and an observation well water level gauge arranged in the observation well, and is characterized by further comprising the following components: the system comprises a water lowering and draining data analysis module, a data storage module, a water lowering and draining control module and a human-computer interaction interface. The invention can monitor the foundation pit in different areas and accurately drop and drain water, and solves the problems of high construction cost and easy potential safety hazards such as foundation subsidence, slope instability and the like caused by complex and uneven drop and drain conditions of a large deep foundation pit.
Description
Technical Field
The invention belongs to the technical field of drainage of deep foundation pits, and particularly relates to an intelligent monitoring and control system for uneven drainage of a large deep foundation pit.
Background
Currently, basements are designed in many building projects in China to perfect self building functions. Leakage and sedimentation often occur in the construction process of the foundation pit, and drainage is lowered in the construction stage of the foundation pit and real-time monitoring of foundation pit sedimentation is particularly important. In the actual engineering construction process, the leakage and settlement conditions in the foundation pit are not controlled and monitored in real time by a comprehensive system. The following problems tend to exist: (1) The foundation pit water level monitoring is not timely, the problem finding early warning is too slow, and the data cannot be mastered in 24 hours in real time. (2) The precipitation effect and the faults of the precipitation pump can not be effectively observed, and safety accidents are easy to cause. In addition, for the construction of large-scale deep foundation pit, because the construction area of deep foundation pit is big, the foundation pit geological condition, the condition under water in place can be comparatively complicated, for example the permeability difference of soil layer in the foundation pit scope is great, or the existence of natural water barrier between different positions, the inhomogeneous distribution of groundwater source, above-mentioned factor all probably increases the uncertainty of deep foundation pit in drainage monitoring and construction, and then be difficult to carry out accurate control to the foundation pit drainage, like this is unfavorable for reducing construction cost, also can cause the waste of water resource simultaneously, can not guarantee simultaneously that the foundation pit can be under the dry condition construction and prevent that the condition of side slope unstability, foundation flow sand, hole bottom uplift, hole bottom piping and foundation bearing capacity decline from taking place.
Disclosure of Invention
Aiming at the problems, the invention provides a monitoring and control system for non-uniform drainage of a large deep foundation pit, which can monitor the foundation pit in different areas and accurately drain the water, and solves the problems of high construction cost and potential safety hazards such as foundation subsidence, slope instability and the like easily caused by complex and non-uniform drainage conditions of the large deep foundation pit.
The invention is realized by the following technical scheme.
The utility model provides an inhomogeneous intelligent monitoring and control system who falls drainage of large-scale dark foundation ditch, includes the precipitation well, the observation well, sets up the suction pump in the precipitation well, sets up the precipitation well fluviograph in the precipitation well, sets up the observation well fluviograph in the observation well, its characterized in that still includes: the system comprises a water lowering and draining data analysis module, a data storage module, a water lowering and draining control module and a human-computer interaction interface;
the dewatering wells are provided with a plurality of openings, and the plurality of openings are arranged in the foundation pit; the observation well is provided with a plurality of openings which are uniformly arranged outside the foundation pit along the edge of the foundation pit; the dewatering well water level meters are arranged in each dewatering well in a one-to-one correspondence manner, and are used for respectively monitoring and collecting dewatering well water level data at different positions in real time and transmitting the dewatering well water level data to the data storage module and the dewatering and dewatering data analysis module; the observation well water level meters are arranged in each observation well in a one-to-one correspondence manner, and are used for monitoring the observation well water level data at different positions in real time and transmitting the observation well water level data to the data storage module and the drainage data analysis module;
the dewatering and drainage data analysis module comprises a water level data acquisition module, a water level analysis module and a water level analysis module, wherein the water level data acquisition module is used for receiving dewatering well water level data of different positions and receiving observation well water level data of different positions; the system is used for receiving the position data of different dewatering wells and the position data of different observation wells; the method comprises the steps of analyzing the water level change rate of precipitation wells at different positions and the water level change rate of observation wells at different positions in the same time period, selecting precipitation wells and observation wells with the same or similar change rate for matching, and obtaining water level-associated matching data of the precipitation wells and the observation wells; dividing the foundation pit into different drainage control areas according to the drainage well-observation well matching data, the position data of the drainage well and the position data of the observation well to form a drainage control area diagram; the system comprises a water level data acquisition unit, a water level data storage unit and a water level data storage unit, wherein the water level data acquisition unit is used for judging whether the water level data of observation wells at different positions exceeds a warning water level, when the water level data is greater than or equal to the warning water level, a water pumping instruction is sent to pump water from a water pump in a precipitation well matched with the observation well generating the water level data, and when the water level data is lower than the warning water level, a shutdown instruction is sent to shutdown the water pump in the precipitation well matched with the observation well generating the water level data; the system comprises a water pump, a water pump control system and a water pump control system, wherein the water pump control system is used for receiving working state data of the water pump, counting and analyzing the working state data of the water pump in each water-lowering and water-draining control area, and obtaining water pumping amount data in each water-lowering and water-draining control area;
the water lowering and draining control module is used for receiving the water pumping instruction sent by the analysis and processing module and controlling the corresponding water pump to pump water; the system comprises a water pump working state data acquisition module, a water pump working state data transmission module and a water level and drainage data analysis module, wherein the water pump working state data acquisition module is used for acquiring the working state data of each water pump and transmitting the working state data of the water pump to the water level and drainage data analysis module; the working state data of the water pump comprise water pumping time and water pumping speed;
the man-machine interaction interface comprises a data analysis module, a data analysis module and a data analysis module, wherein the data analysis module is used for analyzing the position data of different dewatering wells and the position data of different observation wells; the method is used for calling and displaying the matching data of the dewatering well and the observation well, the drainage control area diagram and the water pumping data in each drainage control area.
Preferably, the distance between the dewatering wells is controlled to be 15-20 m.
Preferably, the distance between the observation wells is controlled to be 30-50 m.
Preferably, the man-machine interaction interface further comprises a controller for inputting a manual start-stop instruction of the water pump and transmitting the manual start-stop instruction of the water pump to the water lowering and draining control module; the water lowering and draining control module is used for receiving a manual start-stop instruction of the water pump so as to carry out emergency control on the water pump.
Preferably, the water level data analysis module further comprises a module for judging whether the water level data of the precipitation well at different positions exceeds the warning water level, and when the water level data exceeds the warning water level, a water pumping instruction is sent to pump water to a water pump in the precipitation well generating the water level data.
Preferably, the water-lowering and draining data analysis module is further used for judging whether the water level data of the observation well at different positions exceeds the warning water level, and sending out water level overrun warning information of the observation well to the man-machine interaction interface for displaying when the water level data exceeds the warning water level so as to remind constructors; the observation well water level overrun early warning information comprises the observation well position information exceeding the warning water level, real-time water level data of the observation well and a water-lowering and water-draining control area of the observation well in a water-lowering and water-draining control area diagram.
Preferably, the water level data analysis module is further used for judging whether the water level data of the dewatering well at different positions exceeds the warning water level, and sending out water level overrun warning information of the dewatering well to the man-machine interaction interface for display when the water level data exceeds the warning water level so as to remind constructors; the water level overrun early warning information of the dewatering well comprises position information of the dewatering well exceeding the warning water level, real-time water level data of the dewatering well and a dewatering and drainage control area of the dewatering well in a dewatering and drainage control area diagram.
Preferably, the water pumping data includes a total water pumping amount in each of the water pumping control areas, and a water pumping amount of each of the water pumping pumps in each of the water pumping control areas.
Preferably, the system further comprises a BIM modeling module; the BIM modeling module is used for constructing a foundation pit underground water level monitoring three-dimensional model according to the position data of the dewatering well, the position data of the observation well, the data of the dewatering and drainage control area, the water level data of the dewatering well at different positions, the water level data of the observation well at different positions, the foundation pit construction plan and the survey point plan, so as to be used for monitoring the dewatering and drainage conditions of the foundation pit in real time.
Preferably, the foundation pit construction plan and the survey point plan are input through a man-machine interaction interface and transmitted to a data storage module and a BIM modeling module.
The invention has the following beneficial effects:
1) The monitoring and control system for the uneven drainage of the large deep foundation pit can monitor the foundation pit in different areas and accurately drain the water, and solves the problems of high construction cost, easy occurrence of potential safety hazards such as foundation subsidence, slope instability and the like caused by complex and uneven drainage conditions of the large deep foundation pit.
2) According to the system, the water level-associated water lowering well-observation well matching data are obtained through analysis, and then the water lowering and draining control area diagram is generated, so that the water lowering and draining non-uniformity condition of the deep foundation pit can be more intuitively known and mastered, the whole non-uniformity is divided into a plurality of areas with uniform water lowering and draining, the water lowering and draining control area can be conveniently and pertinently lowered and drained, and the construction of other foundation pit structures in the water lowering and draining control area is guided.
3) The system can be combined with BIM three-dimensional modeling, can obtain a three-dimensional model with high visualization degree and guiding functions on foundation pit water lowering and draining and other structures in the foundation pit construction, can reduce the influence on the surrounding environment in the construction process, effectively protects the ecological environment, and is also beneficial to avoiding the safety risk in the foundation pit construction process.
Drawings
Fig. 1 is a schematic diagram of the structural principle of the system of the present invention.
Fig. 2 is a schematic diagram of a drainage control area diagram in an embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
Referring to fig. 1 and 2, an intelligent monitoring and controlling system for non-uniform drainage of a large deep foundation pit comprises a dewatering well 1, an observation well 2, a water pump 3 arranged in the dewatering well 1, a dewatering well water level gauge arranged in the dewatering well 1, an observation well water level gauge arranged in the observation well 2, a drainage data analysis module, a data storage module, a drainage control module and a man-machine interaction interface; the system comprises a dewatering well water level gauge, an observation well water level gauge, a dewatering and drainage data analysis module, a data storage module, a man-machine interaction interface, a dewatering and drainage control module, a dewatering and drainage data analysis module and a water suction pump, wherein the dewatering and drainage data analysis module and the data storage module are connected with each other; the connection can be wired or wireless according to the actual construction conditions; the dewatering well 1 and the observation well 2 are constructed and arranged according to the construction requirements of conventional foundation pit dewatering and drainage, and the embodiment is not repeated; the water pump is a submersible pump, preferably a flushing type submersible pump;
the dewatering well 1 is provided with a plurality of openings, and is arranged in the foundation pit 3, and in order to improve the dewatering effect for a large-scale deep foundation pit, one part of dewatering wells are arranged at certain intervals along the inner periphery of the foundation pit, and the other part of dewatering wells are arranged at the inner position of the foundation pit; the observation well 2 is provided with a plurality of openings, and the openings are arranged outside the foundation pit along the edge of the foundation pit 3; the dewatering well water level meters are arranged in each dewatering well 1 in a one-to-one correspondence manner, and are used for respectively monitoring and collecting dewatering well water level data at different positions in real time and transmitting the dewatering well water level data to the data storage module and the dewatering and dewatering data analysis module; the observation well water level meters are arranged in each observation well 2 in a one-to-one correspondence manner, and are used for monitoring the observation well water level data at different positions in real time and transmitting the observation well water level data to the data storage module and the drainage data analysis module;
the drainage data analysis module includes: the system is used for receiving the water level data of the dewatering well at different positions and receiving the water level data of the observation well at different positions; for receiving position data of different precipitation wells 1 and position data of different observation wells 2;
the method comprises the steps of analyzing the water level change rate of precipitation wells at different positions and the water level change rate of observation wells at different positions in the same time period, and selecting precipitation wells and observation wells with the same or similar water level change rate for matching to obtain water level-related matching data of the precipitation wells and the observation wells; the precipitation well-observation well matching data are grouping information obtained by grouping precipitation wells and observation wells at different positions according to the fact that whether the water level change rates are the same or similar; the matched areas of the positions of each group of dewatering wells and observation wells can be uniformly subjected to dewatering and drainage, namely when the water level of the observation wells is increased to be controlled, the dewatering wells matched with the observation wells (namely the dewatering wells of the group) can be pumped, so that the accurate dewatering of the observation wells is realized, the dewatering and drainage accuracy is improved, the waste of energy and water resources caused by blind dewatering and drainage and unexpected risks such as instability of a foundation pit and foundation settlement are reduced, and meanwhile, the problem that the intelligent and accurate dewatering and drainage cannot be realized under the condition of uneven dewatering and drainage of a large deep foundation pit is solved; in addition, when the dewatering and drainage data analysis module realizes the function of matching dewatering wells and observation wells with the same or similar change rate, the requirement that the difference between the maximum value of the water level change rate and the minimum value of the water level change rate in the obtained dewatering wells at different positions and the water level change rate data of the observation wells at different positions is smaller than the change rate threshold value can be met by setting a change rate threshold value; further stated, for example, setting the change rate threshold to be 2cm/h, and the precipitation well and the observation well obtained by matching are a 1# precipitation well, a 4# precipitation well, a 6# precipitation well, a 9# precipitation well, a 2# observation well and a 3# observation well; the water level change rates of the precipitation wells of the 1# precipitation well, the 4# precipitation well, the 6# precipitation well and the 9# precipitation well are respectively 21cm/h,19.6cm/h,20.2cm/h,21.1cm/h, and the water level change rates of the observation wells of the 2# observation well and the 3# observation well are respectively 21.5cm/h and 19.8cm/h; among these data, the maximum value of the water level change rate is 21.5cm/h, the minimum value of the water level change rate is 19.6cm/h, and the difference between the two values is 1.9cm/h and is smaller than the change rate threshold value of 2cm/h;
dividing the foundation pit into different drainage control areas 4 according to the drainage well-observation well matching data, the position data of the drainage well and the position data of the observation well to form a drainage control area diagram; when the functions are realized, the water-reducing and draining control area diagram consists of different water-reducing and draining control areas 4, the different water-reducing and draining control areas 4 can be divided or distinguished by marks such as lines, different colors and the like in the water-reducing and draining control area diagram, and each water-reducing and draining control area is internally provided with a matched water-reducing well and an observation well, and position information and water level information of the water-reducing and draining control areas; through the realization of the functions, when the construction of uneven drainage of a large deep foundation pit is faced, as the drainage condition is more complex, the uneven condition of the deep foundation pit can be more intuitively known and mastered through the drainage control area diagram, and the whole uneven is divided into a plurality of areas with even drainage, so that the drainage control area can be targeted, and other foundation pit structures in the drainage control area can be constructed;
the system is used for judging whether the water level data of the observation wells at different positions exceeds the warning water level, when the water level data is greater than or equal to the warning water level, a pumping instruction is sent to pump water to the water pump 3 in the precipitation well matched with the observation well generating the water level data, and when the water level data is lower than the warning water level, a stopping instruction is sent to stop the water pump in the precipitation well matched with the observation well generating the water level data;
the system comprises a water pump, a water pump control system and a water pump control system, wherein the water pump control system is used for receiving working state data of the water pump, counting and analyzing the working state data of the water pump in each water-lowering and water-draining control area, and obtaining water pumping amount data in each water-lowering and water-draining control area; based on the realization of the functions, the water pumping data in each water pumping control area is acquired, so that the water pumping control area with larger water pumping capacity can be identified and screened out; in actual construction, a water drainage control area with larger water pumping quantity means that the foundation pit is unstable and the risk of foundation sinking is higher, so that targeted measures are required.
The water lowering and draining control module is used for receiving the water pumping instruction sent by the analysis and processing module and controlling the corresponding water pump to pump water; the system comprises a water pump working state data acquisition module, a water pump working state data transmission module and a water level and drainage data analysis module, wherein the water pump working state data acquisition module is used for acquiring the working state data of each water pump and transmitting the working state data of the water pump to the water level and drainage data analysis module; the working state data of the water pump comprise water pumping time and water pumping speed;
the man-machine interaction interface comprises a data analysis module, a data analysis module and a data analysis module, wherein the data analysis module is used for analyzing the position data of different dewatering wells and the position data of different observation wells; the method is used for calling and displaying the matching data of the dewatering well and the observation well and the drainage partition data.
Further, in a preferred embodiment, the distance between the dewatering wells 1 is controlled to be 15-20 m.
Further, in a preferred embodiment, the distance between the observation wells 2 is controlled to be 30-50 m.
Further, in a preferred embodiment, the man-machine interaction interface further includes a controller for inputting a manual start-stop instruction of the water pump and transmitting the manual start-stop instruction of the water pump to the drainage control module; the water lowering and draining control module is used for receiving a manual start-stop instruction of the water pump so as to carry out emergency control on the water pump; although the system can automatically and accurately control the water lowering and discharging, in certain emergency situations, the working state of the water pump still needs to be manually controlled to cope with the emergency situation.
Further, in a preferred embodiment, the drainage data analysis module further includes means for determining whether the water level data of the dewatering well at different locations exceeds a warning water level, and when the water level data exceeds the warning water level, a pumping instruction is issued to pump water from a pump in the dewatering well that generated the water level data.
Further, in a preferred embodiment, the drainage data analysis module further includes a step of judging whether the water level data of the observation well at different positions exceeds the warning water level, and when the water level data exceeds the warning water level, sending out warning information of the water level overrun of the observation well to a man-machine interaction interface for displaying so as to remind constructors; the observation well water level overrun early warning information comprises position information of the observation well exceeding the warning water level, real-time water level data of the observation well and a water-lowering and water-draining control area of the observation well in a water-lowering and water-draining control area diagram.
Further, in a preferred embodiment, the dewatering and drainage data analysis module is further configured to determine whether water levels of dewatering wells at different positions exceed a warning water level, and send out dewatering well water level overrun warning information to a man-machine interaction interface for display when the water level data exceeds the warning water level, so as to remind constructors; the water level overrun early warning information of the dewatering well comprises position information of the dewatering well exceeding the warning water level, real-time water level data of the dewatering well and a dewatering and drainage control area of the dewatering well in a dewatering and drainage control area diagram.
Further, in a preferred embodiment, the system further comprises a BIM modeling module; the BIM modeling module is used for constructing a foundation pit underground water level monitoring three-dimensional model according to the position data of the dewatering well, the position data of the observation well, the dewatering and drainage control area diagram, the dewatering well water level data of different positions, the observation well water level data of different positions, the foundation pit construction plan and the survey point plan, so as to be used for monitoring the dewatering and drainage conditions of the foundation pit in real time; through the realization of this function, the available foundation ditch groundwater level monitoring model monitors and the construction design to the drainage condition that falls in the foundation ditch construction, and the degree of visualization is high, simultaneously also can be convenient for provide technical parameter to the construction of other structures of foundation ditch and instruct.
Further, in a preferred embodiment, the foundation pit construction plan and the survey point plan are entered by a man-machine interface and transmitted to a data storage module and a BIM modeling module.
Example 2
In a specific foundation pit drainage construction project, referring to fig. 1 and 2, the intelligent monitoring and control process for the uneven drainage of the large deep foundation pit by using the system of the invention is as follows:
1) Constructing a dewatering well 1 and an observation well 2 according to project design requirements and specifications, installing an observation well water level meter in the observation well 2, and installing the dewatering well water level meter and a water suction pump in the dewatering well 1;
the dewatering wells and the observation wells are respectively numbered, wherein the specific observation wells comprise a 1# observation well, a 2# observation well, a 3# observation well, a 4# observation well, a 5# observation well, a 6# observation well, a 7# observation well, a 8# observation well, a 9# observation well, a 10# observation well and 10 total observation wells which are arranged outside the foundation pit along the edge of the foundation pit;
the precipitation wells comprise a 1# precipitation well, a 2# precipitation well, a 3# precipitation well, … …, a 33# precipitation well, a 34# precipitation well and 34 precipitation wells in total;
the system comprises a dewatering well water level gauge, an observation well water level gauge, a dewatering and drainage data analysis module, a data storage module, a man-machine interaction interface, a dewatering and drainage control module, a dewatering and drainage data analysis module and a water suction pump, wherein the dewatering and drainage data analysis module and the data storage module are connected with each other; the dewatering well and the observation well are constructed and arranged according to the construction requirements of conventional foundation pit dewatering and drainage, and the embodiment is not repeated; the water pump is a flushing type submersible pump, a water outlet pipe of the water pump is provided with a metering device for monitoring the water pumping rate and the water pumping time of the water pump, and the metering device is connected with a water dropping and draining control module;
2) After each construction member, equipment and module are in place, monitoring and collecting water level data of an observation well 2 and a dewatering well 1 in a certain time period through an observation well water level meter and a dewatering well water level meter, and transmitting the monitored and collected data to a dewatering and dewatering data analysis module; according to the collected water level data (the water level data of the dewatering wells at different positions and the water level data of the observation wells at different positions), the water level change rate of the dewatering wells at different positions and the water level change rate of the observation wells at different positions are calculated by the water level and drainage data analysis module, and the dewatering wells and the observation wells with the same or similar change rates are selected for matching, so that water level-associated water level matching data of the dewatering wells and the observation wells are obtained as follows:
the 1# observation well, the 2# observation well, the 3# observation well, the 1# precipitation well, the 2# precipitation well, the 3# precipitation well, the 4# precipitation well and the 5# precipitation well are mutually matched, and the areas where the 1# observation well, the 2# observation well and the 3# observation well are positioned can be uniformly subjected to water precipitation and drainage, namely when the water level rising of the 1# observation well, the 2# observation well and the 3# observation well needs to be controlled, the 1# precipitation well, the 2# precipitation well, the 3# precipitation well, the 4# precipitation well and the 5# precipitation well matched with the observation wells can be pumped so as to control the groundwater level of the coverage positions of the matched precipitation wells and the observation wells;
the water level of the 4# observation well, the 5# observation well, the 6# precipitation well, the 7# precipitation well, the 8# precipitation well, the 9# precipitation well, the 10# precipitation well, the 11# precipitation well, the 12# precipitation well, the 13# precipitation well, the 14# precipitation well, the 15# precipitation well, the 16# precipitation well, the 17# precipitation well, the 18# precipitation well, the 19# precipitation well, the 20# precipitation well, the 21# precipitation well and the 22# precipitation well are mutually matched, and the area where the water level is located can be uniformly subjected to water level reduction and drainage, namely when the water level rising of the 4# observation well, the 5# observation well and the 6# observation well needs to be controlled, the water level from the 6# precipitation well to the 22# precipitation well matched with the observation wells can be pumped so as to control the underground water level of the matched precipitation well and the coverage position of the observation well;
the 7# observation well, the 8# observation well, the 6# precipitation well, the 23# precipitation well, the 24# precipitation well, the 25# precipitation well, the 26# precipitation well, the 27# precipitation well and the 28# precipitation well are matched with each other, and the areas where the 7# observation well, the 8# observation well and the 25# precipitation well are located can be uniformly subjected to water precipitation and drainage, namely when the water level rising of the 7# observation well and the 8# observation well needs to be controlled, the matched 23# precipitation well, the 24# precipitation well, the 25# precipitation well, the 26# precipitation well, the 27# precipitation well and the 28# precipitation well can be pumped so as to control the groundwater level of the coverage position of the matched precipitation well and the observation well;
the 9# observation well, the 10# observation well, the 29# precipitation well, the 30# precipitation well, the 31# precipitation well, the 32# precipitation well, the 33# precipitation well and the 34# precipitation well are matched with each other, and the area where the 9# observation well and the 10# observation well are positioned can be uniformly subjected to water precipitation, namely when the water level rising of the 9# observation well and the 10# observation well needs to be controlled, the 29# precipitation well, the 30# precipitation well, the 31# precipitation well, the 32# precipitation well, the 33# precipitation well and the 34# precipitation well matched with the observation wells can be pumped so as to control the groundwater level of the coverage position of the matched precipitation well and the observation well;
based on the obtained dewatering well-observation well matching data, a further dewatering and drainage data analysis module divides the foundation pit into different dewatering and drainage control areas according to the position data of the dewatering well and the position data of the observation well to form a dewatering and drainage control area diagram, as shown in fig. 1, the dewatering and drainage control area diagram is composed of 5 dewatering and drainage control areas 4, and the matched dewatering well and the observation well are displayed in each dewatering and drainage control area 4, and meanwhile, the position information and the water level information of the dewatering and drainage control areas can be displayed; through the drainage control area diagram, the non-uniform drainage distribution condition of the deep foundation pit can be more intuitively known and mastered, and the whole non-uniformity is divided into a plurality of areas with uniform drainage, so that the drainage control area can be subjected to targeted drainage, and the construction of other foundation pit structures in the drainage control area can be guided;
3) In the subsequent foundation pit monitoring, based on the observation well water level data of different positions received in real time, the water lowering well-observation well matching data and the water lowering and draining control area diagram, the water lowering and draining data analysis module can judge whether the observation well water level data of different positions exceeds the warning water level, when the water level data is greater than or equal to the warning water level, a water pumping instruction is sent to pump water in a water lowering well matched with the observation well generating the water level data, and when the water level data is lower than the warning water level, a shutdown instruction is sent to shut down the water pumping in the water lowering well matched with the observation well generating the water level data; meanwhile, the water-lowering and draining control module controls the corresponding water pump to pump water after receiving the water pumping instruction sent by the analysis and processing module so as to perform targeted water-lowering and draining on the water-lowering and draining control area with the overrun water level; if the water level of one or more observation wells in the 1# observation well, the 2# observation well and the 3# observation well is monitored to be greater than or equal to the warning water level, the water-lowering and water-draining data analysis module can send an instruction to the water-lowering and water-draining control module so as to control the water pumps in the 1# water-lowering well, the 2# water-lowering well, the 3# water-lowering well, the 4# water-lowering well and the 5# water-lowering well to conduct targeted water-raising, thereby avoiding the situation that the blind purpose is used for lowering the water level of the water-lowering well in the foundation pit to cause water-lowering in other areas so as to cause foundation settlement and slope instability, and achieving the purposes of reducing energy consumption and water resources.
Claims (10)
1. The utility model provides a monitoring and control system of inhomogeneous drainage that falls in large-scale dark foundation ditch, includes the precipitation well, the observation well, sets up the suction pump in the precipitation well, sets up the precipitation well fluviograph in the precipitation well, sets up the observation well fluviograph in the observation well, its characterized in that still includes: the system comprises a water lowering and draining data analysis module, a data storage module, a water lowering and draining control module and a human-computer interaction interface;
the dewatering wells are provided with a plurality of openings, and the plurality of openings are arranged in the foundation pit; the observation well is provided with a plurality of openings which are uniformly arranged outside the foundation pit along the edge of the foundation pit; the dewatering well water level meters are arranged in each dewatering well in a one-to-one correspondence manner, and are used for respectively monitoring and collecting dewatering well water level data at different positions in real time and transmitting the dewatering well water level data to the data storage module and the dewatering and dewatering data analysis module; the observation well water level meters are arranged in each observation well in a one-to-one correspondence manner, and are used for monitoring the observation well water level data at different positions in real time and transmitting the observation well water level data to the data storage module and the drainage data analysis module;
the dewatering and drainage data analysis module comprises a water level data acquisition module, a water level analysis module and a water level analysis module, wherein the water level data acquisition module is used for receiving dewatering well water level data of different positions and receiving observation well water level data of different positions; the system is used for receiving the position data of different dewatering wells and the position data of different observation wells; the method comprises the steps of analyzing the water level change rate of precipitation wells at different positions and the water level change rate of observation wells at different positions in the same time period, selecting precipitation wells and observation wells with the same or similar change rate for matching, and obtaining water level-associated matching data of the precipitation wells and the observation wells; dividing the foundation pit into different drainage control areas according to the drainage well-observation well matching data, the position data of the drainage well and the position data of the observation well to form a drainage control area diagram; the system comprises a water level data acquisition unit, a water level data storage unit and a water level data storage unit, wherein the water level data acquisition unit is used for judging whether the water level data of observation wells at different positions exceeds a warning water level, when the water level data is greater than or equal to the warning water level, a water pumping instruction is sent to pump water from a water pump in a precipitation well matched with the observation well generating the water level data, and when the water level data is lower than the warning water level, a shutdown instruction is sent to shutdown the water pump in the precipitation well matched with the observation well generating the water level data; the system comprises a water pump, a water pump control system and a water pump control system, wherein the water pump control system is used for receiving working state data of the water pump, counting and analyzing the working state data of the water pump in each water-lowering and water-draining control area, and obtaining water pumping amount data in each water-lowering and water-draining control area;
the water lowering and draining control module is used for receiving the water pumping instruction sent by the analysis and processing module and controlling the corresponding water pump to pump water; the system comprises a water pump working state data acquisition module, a water pump working state data transmission module and a water level and drainage data analysis module, wherein the water pump working state data acquisition module is used for acquiring the working state data of each water pump and transmitting the working state data of the water pump to the water level and drainage data analysis module; the working state data of the water pump comprise water pumping time and water pumping speed;
the man-machine interaction interface comprises a data analysis module, a data analysis module and a data analysis module, wherein the data analysis module is used for analyzing the position data of different dewatering wells and the position data of different observation wells; the method is used for calling and displaying the matching data of the dewatering well and the observation well, the drainage control area diagram and the water pumping data in each drainage control area.
2. The system for monitoring and controlling uneven dewatering and drainage of a large deep foundation pit according to claim 1, wherein the distance between the dewatering wells is controlled to be 15-20 m.
3. The system for monitoring and controlling uneven drainage of a large deep foundation pit according to claim 1, wherein the distance between observation wells is controlled to be 30-50 m.
4. The monitoring and control system for uneven drainage of a large deep foundation pit according to claim 1, wherein the man-machine interaction interface further comprises a controller module for inputting a manual start-stop instruction of the water pump and transmitting the manual start-stop instruction of the water pump to the drainage control module; the water lowering and draining control module is used for receiving a manual start-stop instruction of the water pump so as to carry out emergency control on the water pump.
5. The system of claim 1, wherein the system further comprises a data analysis module for determining whether the water level data of the precipitation well at different locations exceeds a warning water level, and when the water level data exceeds the warning water level, a pumping instruction is issued to pump water to a pump in the precipitation well generating the water level data.
6. The monitoring and control system for non-uniform drainage of a large deep foundation pit according to claim 1, wherein the drainage data analysis module further comprises a controller for judging whether the water level data of the observation well at different positions exceeds the warning water level, and when the water level data exceeds the warning water level, sending out water level overrun warning information of the observation well to a man-machine interaction interface for displaying so as to remind constructors; the observation well water level overrun early warning information comprises the observation well position information exceeding the warning water level, real-time water level data of the observation well and a water-lowering and water-draining control area of the observation well in a water-lowering and water-draining control area diagram.
7. The monitoring and control system for uneven dewatering and drainage of a large deep foundation pit according to claim 1, wherein the dewatering and drainage data analysis module further comprises a controller for judging whether the water level data of dewatering wells at different positions exceeds a warning water level, and when the water level data exceeds the warning water level, sending out water level overrun warning information of the dewatering wells to a man-machine interaction interface for displaying so as to remind constructors; the water level overrun early warning information of the dewatering well comprises position information of the dewatering well exceeding the warning water level, real-time water level data of the dewatering well and a dewatering and drainage control area of the dewatering well in a dewatering and drainage control area diagram.
8. The system for monitoring and controlling uneven drainage of a large deep foundation pit of claim 1, wherein said water extraction data comprises total water extraction in each drainage control area, and water extraction of each water pump in each drainage control area.
9. The monitoring and control system for non-uniform drainage of a large deep foundation pit of claim 1, further comprising a BIM modeling module; the BIM modeling module is used for constructing a foundation pit underground water level monitoring three-dimensional model according to the position data of the dewatering well, the position data of the observation well, the data of the dewatering and drainage control area, the water level data of the dewatering well at different positions, the water level data of the observation well at different positions, the foundation pit construction plan and the survey point plan, so as to be used for monitoring the dewatering and drainage conditions of the foundation pit in real time.
10. The system for monitoring and controlling uneven drainage of a large deep foundation pit according to claim 9, wherein the foundation pit construction plan and the survey point plan are recorded by a man-machine interaction interface and transmitted to a data storage module and a BIM modeling module.
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