CN115492142A - Monitoring and control system for uneven dewatering and draining of large-scale deep foundation pit - Google Patents
Monitoring and control system for uneven dewatering and draining of large-scale deep foundation pit Download PDFInfo
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Abstract
The invention discloses an intelligent monitoring and control system for uneven water drainage of a large-scale deep foundation pit, which comprises a precipitation well, an observation well, a water pump arranged in the precipitation well, a precipitation well water level gauge arranged in the precipitation well, and an observation well water level gauge arranged in the observation well, and is characterized by also comprising: the system comprises a water descending and discharging data analysis module, a data storage module, a water descending and discharging control module and a human-computer interaction interface. The invention can monitor the foundation pit in different areas and accurately reduce and drain water, and solves the problems of high construction cost, easy occurrence of potential safety hazards such as foundation subsidence, side slope instability and the like of a large deep foundation pit due to complex and uneven water reducing and draining conditions.
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
At present, basements are designed in a plurality of construction projects in China to improve the self construction functions. Leakage and settlement often appear in the foundation ditch in the construction process, and drainage and foundation ditch settlement real-time monitoring are very important in the foundation ditch construction stage. In the actual engineering construction process, comprehensive systematic control and real-time monitoring on the leakage and settlement conditions in the foundation pit are not realized. There are often the following problems: (1) The foundation pit water level monitoring is not timely, the early warning is too slow when problems are found, and the data cannot be mastered in real time within 24 hours. (2) The precipitation effect and the fault of the precipitation pump cannot be effectively observed, and safety accidents are easily caused. In addition, for the construction of large-scale deep foundation pit, because the construction area of deep foundation pit is big, the foundation pit geology status, the ground underwater situation may be comparatively complicated, for example, the permeability difference of the soil layer within the foundation pit range is great, or the existence of natural water barrier between different positions, the uneven distribution of underground water source, above factors all may increase the uncertainty of deep foundation pit in the monitoring of drainage and construction, and then be difficult to carry out accurate control to the drainage of foundation pit, so do not do benefit to and reduce construction cost, also can cause the waste of water resource, also can't guarantee simultaneously that the foundation pit can be under dry condition construction and prevent the circumstances of slope unstability, basic quicksand, the pit bottom uplift, the pit bottom piping and the foundation bearing capacity decline and take place.
Disclosure of Invention
Aiming at the problems, the invention provides a monitoring and control system for uneven water drainage of a large-scale deep foundation pit, which can monitor the foundation pit in different areas and accurately drain the foundation pit, and solves the problems of high construction cost, easy occurrence of potential safety hazards such as foundation subsidence, instability of side slopes and the like of the large-scale deep foundation pit due to complex and uneven drainage conditions.
The invention is realized by the following technical scheme.
Intelligent monitoring and control system of drainage are not uniformly fallen to large-scale deep basal pit, including precipitation well, observation well sets up the suction pump in precipitation well, sets up the precipitation well water level gauge in precipitation well, sets up the observation well water level gauge in observation well, and its characterized in that still includes: the system comprises a dewatering and drainage data analysis module, a data storage module, a dewatering and drainage control module and a human-computer interaction interface;
the plurality of dewatering wells are arranged in the foundation pit; the observation well is provided with a plurality of ports 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 mode, and are used for monitoring and collecting dewatering well water level data at different positions in real time respectively and transmitting the dewatering well water level data to the data storage module and the dewatering and drainage data analysis module; the observation well water level meters are arranged in each observation well in a one-to-one correspondence mode, and are used for monitoring water level data of the observation wells at different positions in real time and transmitting the water level data to the data storage module and the dewatering and drainage data analysis module;
the dewatering and drainage data analysis module comprises a dewatering well water level data acquisition module, a dewatering well water level data acquisition module and a dewatering and drainage data analysis module, wherein the dewatering and drainage data analysis module is used for receiving dewatering well water level data at different positions and receiving observation well water level data at different positions; the system is used for receiving position data of different precipitation wells and position data of different observation wells; the monitoring system is used for analyzing the water level change rates of the precipitation wells at different positions and the water level change rates of the observation wells at different positions in the same time period, selecting the precipitation wells and the observation wells with the same or similar change rates to match, and obtaining precipitation well-observation well matching data with mutually related water levels; the system comprises a foundation pit, a drainage control area graph, a drainage well-observation well matching data acquisition unit, a drainage well position data acquisition unit and a drainage control area graph, wherein the foundation pit is divided into different drainage control areas according to the drainage well-observation well matching data, the drainage well position data and the observation well position data to form the drainage control area graph; the system is used for judging whether water level data of observation wells at different positions exceed an alert water level or not, sending a water pumping instruction to pump water from a water pumping pump in a dewatering well matched with the observation well generating the water level data when the water level data are greater than or equal to the alert water level, and sending a shutdown instruction to shut down the water pumping pump in the dewatering well matched with the observation well generating the water level data when the water level data are lower than the alert water level; the water pump management 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 descending and discharging control area, and obtaining water pumping amount data in each water descending and discharging control area;
the water descending and discharging control module is used for receiving the water pumping instruction sent by the analysis processing module and controlling the corresponding water pumping pump to pump water; the water pump working state data analysis module is used for acquiring the working state data of each water pump and transmitting the working state data of the water pumps to the dewatering and drainage data analysis module; the working state data of the water pump comprises water pumping time and water pumping speed;
the man-machine interaction interface is used for inputting position data of different precipitation wells and position data of different observation wells and transmitting the data to the precipitation and drainage data analysis module; the method is used for calling and displaying precipitation well-observation well matching data, a dewatering and drainage control area diagram and water pumping amount data in each dewatering and drainage control area.
Preferably, the spacing of the dewatering wells is controlled to be 15-20 m.
Preferably, the distance between the observation wells is controlled to be 30 to 50m.
Preferably, the human-computer interaction interface is further used for inputting a manual start-stop instruction of the water suction pump and transmitting the manual start-stop instruction of the water suction pump to the water descending and draining control module; and the water descending and draining control module is used for receiving a manual starting and stopping instruction of the water suction pump so as to perform emergency control on the water suction pump.
Preferably, the dewatering and drainage data analysis module further comprises a water level sensor for detecting the water level data of the dewatering wells at different positions, and the water level sensor is used for detecting the water level data of the dewatering wells at different positions.
Preferably, the dewatering and drainage data analysis module further comprises a water level data acquisition module, a water level data storage module and a water level data analysis module, wherein the water level data acquisition module is used for acquiring water level data of observation wells at different positions; the observation well water level overrun early warning information comprises the observation well position information exceeding the warning water level, the real-time water level data of the observation well and the water descending and draining control area of the observation well in the water descending and draining control area graph.
Preferably, the dewatering and drainage data analysis module further comprises a warning module for judging whether the water level data of the dewatering well at different positions exceed a warning water level, and when the water level data exceed the warning water level, sending out dewatering well water level overrun warning information to a human-computer interaction interface for displaying so as to remind constructors; the early warning information of the water level overrun 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 amount data includes a total water pumping amount in each of the downhill water control areas, and a water pumping amount of each of the water pumping pumps in each of the downhill water 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 precipitation well, the position data of the observation well, the precipitation and drainage control area data, the precipitation well water level data at different positions, the observation well water level data at different positions, the foundation pit construction plan and the surveying point plan, so as to monitor the precipitation and drainage conditions of the foundation pit in real time.
Preferably, the foundation pit construction plan and the survey point plan are recorded by a human-computer interaction interface and transmitted to the data storage module and the BIM modeling module.
The invention has the following beneficial effects:
1) The monitoring and control system for uneven water lowering and draining of the large-scale deep foundation pit can monitor the foundation pit in different areas and accurately lower and drain the foundation pit, and solves the problems of high construction cost, easy occurrence of potential safety hazards such as foundation sinking, instability of side slopes and the like of the large-scale deep foundation pit due to complex and uneven water lowering and draining conditions.
2) The system acquires the precipitation well-observation well matching data with the water levels correlated with each other through analysis, and further generates the dewatering and drainage control area map, so that the uneven dewatering and drainage conditions of the deep foundation pit can be known and mastered more intuitively, and the overall unevenness is divided into a plurality of areas with uniform dewatering and drainage, so that the dewatering and drainage control area can be subjected to targeted dewatering and drainage, and the construction of other foundation pit structures in the dewatering and drainage control area can be guided.
3) The system can be combined with BIM three-dimensional modeling, can obtain a three-dimensional model which has high visualization degree and has a guiding effect on drainage of the foundation pit and construction of other structures in the foundation pit, can reduce the influence on the surrounding environment in the construction process, effectively protects the ecological environment, and is also beneficial to avoiding safety risks in the construction process of the foundation pit.
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 in the embodiment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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, the intelligent monitoring and control system for uneven water drainage of a large-scale 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 meter arranged in the dewatering well 1, an observation well water level meter arranged in the observation well 2, a water drainage data analysis module, a data storage module, a water drainage control module and a human-computer interaction interface; the water level gauge of the dewatering well and the water level gauge of the observation well are both connected with the dewatering and drainage data analysis module and the data storage module, the data storage module is connected with the dewatering and drainage data analysis module and the human-computer interaction interface, and the dewatering and drainage control module is connected with the dewatering and drainage data analysis module and the water suction pump; the connection can adopt wired connection or wireless connection according to the actual construction situation; the dewatering well 1 and the observation well 2 can be constructed and arranged according to the construction requirements of conventional foundation pit dewatering and drainage, and the embodiment is not described in detail; the water pump is a submersible pump, preferably a flushing type submersible pump;
the dewatering well 1 is provided with a plurality of openings, the openings are arranged inside a foundation pit 3, usually for a large-scale deep foundation pit, in order to improve dewatering effect, one part of dewatering well is arranged along the periphery inside the foundation pit at certain intervals, and the other part of dewatering well is arranged in the position inside the foundation pit; the observation well 2 is provided with a plurality of ports which 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 drainage data analysis module; the observation well water level meters are arranged in each observation well 2 in a one-to-one correspondence mode, and are used for monitoring the water level data of the observation wells at different positions in real time and transmitting the water level data to the data storage module and the dewatering and drainage data analysis module;
the dewatering data analysis module comprises: the system is used for receiving water level data of precipitation wells at different positions and receiving water level data of observation wells at different positions; the system is used for receiving position data of different precipitation wells 1 and position data of different observation wells 2;
the system is used for analyzing the water level change rates of the dewatering wells at different positions and the water level change rates of the observation wells at different positions in the same time period, selecting the dewatering wells and the observation wells with the same or similar water level change rates to match, and obtaining the dewatering well-observation well matching data with the mutually correlated water levels; the precipitation well-observation well matching data is grouping information obtained by grouping precipitation wells and observation wells at different positions according to whether the water level change rates are the same or similar; namely, the area where each set of matched precipitation wells and observation wells are located can be uniformly drained, namely, when the water level of the observation wells is required to be controlled, the precipitation wells matched with the observation wells (namely, the precipitation wells of the set) can be pumped, so that the accurate precipitation of the observation wells is realized, the accuracy of the dewatering is improved, the energy and water resource waste caused by blind pumping and drainage, the unexpected risks of instability of foundation pits, foundation settlement and the like are reduced, and the problem that the large deep foundation pits cannot intelligently and accurately drain water under the condition of uneven dewatering and drainage is solved; in addition, when the dewatering and drainage data analysis module realizes the function of selecting dewatering wells and observation wells with the same or similar change rates for matching, the change rate threshold value can be set, so that the requirements that the dewatering well water level change rates of the dewatering wells at different positions and the observation well water level change rate data at different positions are obtained in the matched dewatering wells and observation wells, and the difference between the maximum value of the water level change rate and the minimum value of the water level change rate in the data is smaller than the change rate threshold value can be met; further, for example, setting a change rate threshold value to be 2cm/h, and matching the obtained precipitation wells and observation wells to be 1# precipitation well, 4# precipitation well, 6# precipitation well, 9# precipitation well, 2# observation well and 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 and 21.1cm/h, and the water level change rates of the 2# observation well and the 3# observation well are respectively 21.5cm/h and 19.8cm/h; among the 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 is 1.9cm/h and is less than the change rate threshold value of 2cm/h;
the system comprises a foundation pit, a drainage control area graph, a drainage well and a drainage control area graph, wherein the foundation pit is divided into different drainage control areas 4 according to the drainage well-observation well matching data, the drainage well position data and the observation well position data to form the drainage control area graph; when the functions are realized, the drainage control area map is composed of different drainage control areas 4, the different drainage control areas 4 can be divided or distinguished in the drainage control area map by marks such as lines, different colors and the like, and a drainage well and an observation well which are matched with each other, and position information and water level information of the drainage well and the observation well are displayed in each drainage control area; through the realization of the functions, when the uneven dewatering and drainage construction of a large-scale deep foundation pit is faced, as the dewatering and drainage condition is more complex, the uneven condition of the deep foundation pit can be more intuitively known and mastered through the dewatering and drainage control area map, and the integral unevenness is divided into a plurality of areas with even dewatering and drainage, so that the targeted dewatering and drainage of the dewatering and drainage control area is facilitated, and other foundation pit structures of the dewatering and drainage control area are constructed;
the system is used for judging whether water level data of observation wells at different positions exceed an alert water level or not, when the water level data are greater than or equal to the alert water level, a water pumping instruction is sent to pump the water pump 3 in the dewatering well matched with the observation well generating the water level data, and when the water level data are lower than the alert water level, a shutdown instruction is sent to shut down the water pump in the dewatering well matched with the observation well generating the water level data;
the water pump management 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 descending and discharging control area, and obtaining water pumping amount data in each water descending and discharging control area; based on the realization of the functions, the dewatering and drainage control areas with larger water pumping amount can be identified and screened out by acquiring the water pumping amount data in each dewatering and drainage control area; in actual construction, the water pumping amount is large, and the water descending and draining control area means that the foundation pit is unstable and the foundation sinks at a higher risk, so that a targeted measure needs to be taken.
The water descending and discharging control module is used for receiving the water pumping instruction sent by the analysis processing module and controlling the corresponding water pumping pump to pump water; the water pump control system is used for acquiring working state data of each water pump and transmitting the working state data of the water pump to the dewatering and drainage data analysis module; the working state data of the water pumping pump comprises water pumping time and water pumping speed;
the man-machine interaction interface is used for inputting position data of different precipitation wells and position data of different observation wells and transmitting the data to the precipitation and drainage data analysis module; the method is used for calling and displaying precipitation well-observation well matching data and precipitation and drainage partition data.
Further, in a preferred embodiment, the interval of the dewatering wells 1 is controlled to be 15 to 20m.
Further, in a preferred embodiment, the interval between the observation wells 2 is controlled to be 30 to 50m.
Further, in a preferred embodiment, the human-computer interaction interface further includes a controller, configured to input a manual start-stop instruction of the water pump, and transmit the manual start-stop instruction of the water pump to the dewatering and drainage control module; the water descending and discharging control module is used for receiving a manual starting and stopping instruction of the water suction pump so as to emergently control the water suction pump; although the automatic accurate control of the dewatering and drainage can be realized through the system, the working state of the water pump still needs to be manually controlled in some emergency situations so as to deal with the emergency situations.
Further, in a preferred embodiment, the dewatering and drainage data analysis module further includes a water level detection module for detecting whether the water level data of the dewatering wells at different positions exceeds a warning water level, and when the water level data exceeds the warning water level, sending a water pumping instruction to pump the water pump in the dewatering well generating the water level data.
Further, in a preferred embodiment, the dewatering and drainage data analysis module further comprises a warning module for judging whether the water level data of the observation well at different positions exceeds a warning water level, and when the water level data exceeds the warning water level, sending out warning information that the water level of the observation well exceeds the limit to a human-computer 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 descending and discharging control area of the observation well in a water descending and discharging control area diagram.
Further, in a preferred embodiment, the dewatering and drainage data analysis module further comprises a warning module for judging whether the water level data of the dewatering well at different positions exceeds a warning water level, and when the water level data exceeds the warning water level, sending out dewatering well water level overrun warning information to the human-computer interaction interface for displaying so as to remind constructors; the early warning information of the water level overrun of the precipitation well comprises position information of the precipitation well exceeding the warning water level, real-time water level data of the precipitation well and a precipitation and drainage control area of the precipitation well in a precipitation 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 precipitation well, the position data of the observation well, the precipitation and drainage control area map, the water level data of the precipitation 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 monitor the precipitation and drainage conditions of the foundation pit in real time; through the realization of this function, usable foundation ditch ground water level monitoring model monitors and the construction design to the drainage condition that falls in the foundation ditch construction, and visual degree is high, also can be convenient for provide technical parameter and guide to the construction of other structures of foundation ditch simultaneously.
Further, in a preferred embodiment, the foundation pit construction plan and the survey point plan are input by a human-computer interaction interface and transmitted to the data storage module and the BIM modeling module.
Example 2
Referring to fig. 1 and 2, in a specific foundation pit dewatering and drainage construction project, the intelligent monitoring and control process for uneven dewatering and drainage of a 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 a dewatering well water level meter and a water pump in the dewatering well 1;
numbering the dewatering wells and the observation wells respectively, wherein the 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 a total of 10 observation wells which are arranged outside the foundation pit along the edge of the foundation pit;
the dewatering wells comprise a No. 1 dewatering well, a No. 2 dewatering well and a No. 3 dewatering well, \8230 \ 8230;, a No. 33 dewatering well, a No. 34 dewatering well and a total of 34 dewatering wells;
the water level gauge of the dewatering well and the water level gauge of the observation well are both connected with the dewatering and drainage data analysis module and the data storage module, the data storage module is connected with the dewatering and drainage data analysis module and the human-computer interaction interface, and the dewatering and drainage control module is connected with the dewatering and drainage data analysis module and the water suction pump; the dewatering well and the observation well can be constructed and arranged according to the construction requirements of conventional foundation pit dewatering and drainage, and the construction of the embodiment is not repeated; the water suction pump is a flushing type submersible pump, a metering device is arranged on a water outlet pipe of the water suction pump and used for monitoring the water suction rate and the water suction time of the water suction pump, and the metering device is connected with the water descending and draining control module;
2) After all construction components, equipment and modules are in place, monitoring and collecting water level data of an observation well 2 and a precipitation well 1 in a certain time period through an observation well water level gauge and a precipitation well water level gauge, and transmitting the monitored and collected data to a precipitation and drainage data analysis module; according to the acquired water level data (water level data of precipitation wells at different positions and water level data of observation wells at different positions), the precipitation and drainage data analysis module calculates the water level change rate of the precipitation wells at different positions and the water level change rate of the observation wells at different positions, and selects the precipitation wells and the observation wells with the same or similar change rates to match, so as to obtain the precipitation well-observation well matching data with the mutually related water levels as follows:
the 1# observation well, the 2# observation well, the 3# observation well, the 1# dewatering well, the 2# dewatering well, the 3# dewatering well, the 4# dewatering well and the 5# dewatering well are matched with each other, and the areas of the positions of the 1# observation well, the 2# observation well and the 3# dewatering well can be uniformly drained, namely when the water level of the 1# observation well, the 2# observation well and the 3# observation well needs to be controlled, the 1# dewatering well, the 2# dewatering well, the 3# dewatering well, the 4# dewatering well and the 5# dewatering well matched with the observation wells can be pumped so as to control the underground water level of the covering positions of the matched dewatering wells and the observation wells;
4# observation well, 5# observation well, 6# dewatering well, 7# dewatering well, 8# dewatering well, 9# dewatering well, 10# dewatering well, 11# dewatering well, 12# dewatering well, 13# dewatering well, 14# dewatering well, 15# dewatering well, 16# dewatering well, 17# dewatering well, 18# dewatering well, 19# dewatering well, 20# dewatering well, 21# dewatering well and 22# dewatering well are matched with each other, and the areas of the positions of the two wells can be uniformly dewatered, namely when the water level of the 4# observation well, the 5# observation well and the 6# observation well needs to be controlled, the 6# dewatering well to the 22# dewatering well matched with the observation wells can be pumped so as to control the underground water level of the coverage positions of the matched dewatering and observation wells;
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 of the positions of the 7# observation well and the 8# observation well can be uniformly drained, namely, when the water level of the 7# observation well and the 8# observation well needs to be controlled, 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 matched with the observation wells can be pumped so as to control the underground water level of the coverage positions of the matched precipitation wells and the observation wells;
the 9# observation well, the 10# observation well, the 29# dewatering well, the 30# dewatering well, the 31# dewatering well, the 32# dewatering well, the 33# dewatering well and the 34# dewatering well are matched with each other, and the areas of the positions of the 9# observation well and the 10# observation well can be drained uniformly, namely when the water level of the 9# observation well and the 10# observation well needs to be controlled, the 29# dewatering well, the 30# dewatering well, the 31# dewatering well, the 32# dewatering well, the 33# dewatering well and the 34# dewatering well matched with the observation wells can be pumped so as to control the underground water level of the coverage positions of the matched dewatering wells and the observation wells;
based on the obtained precipitation well-observation well matching data, a further precipitation and drainage data analysis module divides the foundation pit into different precipitation and drainage control areas according to the position data of the precipitation well and the position data of the observation well to form a precipitation and drainage control area diagram, as shown in fig. 1, the precipitation and drainage control area diagram is composed of 5 precipitation and drainage control areas 4, and the precipitation well and the observation well which are matched are displayed in each precipitation and drainage control area 4, and the position information and the water level information of the precipitation well and the observation well can be displayed at the same time; through the drainage control area map, the uneven distribution condition of drainage of the deep foundation pit can be more intuitively known and mastered, and the integral unevenness is divided into a plurality of areas with even drainage, so that the drainage control area can be subjected to targeted drainage, and the drainage control area map is used for guiding the construction of other foundation pit structures in the drainage control area;
3) In subsequent foundation pit monitoring, based on observation well water level data of different positions received in real time, the precipitation well-observation well matching data and the dewatering and drainage control area map, the dewatering and drainage data analysis module can judge whether the water level data of the observation wells of the different positions exceed an alert water level, when the water level data are greater than or equal to the alert water level, a water pumping instruction is sent to pump water for a water pump in a precipitation well matched with the observation well generating the water level data, and when the water level data are lower than the alert water level, a shutdown instruction is sent to shut down the water pump in the precipitation well matched with the observation well generating the water level data; meanwhile, the water descending and draining control module receives a water pumping instruction sent by the analysis processing module and then controls a corresponding water pumping pump to pump water so as to perform targeted water descending and draining on the water descending and draining control area with the water level exceeding the limit; if the water level of one or more observation wells of the 1# observation well, the 2# observation well and the 3# observation well is monitored to be more than or equal to the warning water level, the water level lowering and draining data analysis module can send an instruction to the water lowering and draining control module to control the water suction 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 perform targeted water pumping, so that the situations that the water lowering wells in the foundation pit are lowered by blind people to cause the water level lowering of other areas to cause foundation settlement and slope instability can be avoided, and meanwhile, the purposes of reducing energy consumption and water resources can be achieved.
Claims (10)
1. Monitoring and control system of inhomogeneous drainage that falls of large-scale deep basal pit, including precipitation well, observation well sets up the suction pump in precipitation well, sets up the precipitation well water gauge in precipitation well, sets up the observation well water gauge in observation well, and its characterized in that still includes: the system comprises a dewatering and drainage data analysis module, a data storage module, a dewatering and drainage control module and a human-computer interaction interface;
the plurality of dewatering wells are arranged in the foundation pit; the observation well is provided with a plurality of ports 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 mode, and are used for monitoring and collecting dewatering well water level data at different positions in real time respectively and transmitting the dewatering well water level data to the data storage module and the dewatering and drainage data analysis module; the observation well water level meters are arranged in each observation well in a one-to-one correspondence mode, and are used for monitoring water level data of the observation wells at different positions in real time and transmitting the water level data to the data storage module and the dewatering and drainage data analysis module;
the water level data analysis module comprises a water level data acquisition module, a water level data storage module and a water level data analysis module, wherein the water level data acquisition module is used for acquiring water level data of a precipitation well at different positions and acquiring water level data of an observation well at different positions; the system is used for receiving position data of different precipitation wells and position data of different observation wells; the monitoring system is used for analyzing the water level change rates of the precipitation wells at different positions and the water level change rates of the observation wells at different positions in the same time period, selecting the precipitation wells and the observation wells with the same or similar change rates to match, and obtaining precipitation well-observation well matching data with mutually related water levels; the system comprises a foundation pit, a drainage control area graph, a drainage well-observation well matching data acquisition unit, a drainage well position data acquisition unit and a drainage control area graph, wherein the foundation pit is divided into different drainage control areas according to the drainage well-observation well matching data, the drainage well position data and the observation well position data to form the drainage control area graph; the monitoring system is used for judging whether water level data of observation wells at different positions exceed an alert water level or not, sending a water pumping instruction to pump water from a water pump in a precipitation well matched with the observation well generating the water level data when the water level data are greater than or equal to the alert water level, and sending a shutdown instruction to shut down the water pump in the precipitation well matched with the observation well generating the water level data when the water level data are lower than the alert water level; the water pump management 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 descending and discharging control area, and obtaining water pumping amount data in each water descending and discharging control area;
the water descending and discharging control module is used for receiving the water pumping instruction sent by the analysis processing module and controlling the corresponding water pumping pump to pump water; the water pump control system is used for acquiring working state data of each water pump and transmitting the working state data of the water pump to the dewatering and drainage data analysis module; the working state data of the water pumping pump comprises water pumping time and water pumping speed;
the man-machine interaction interface is used for inputting position data of different precipitation wells and position data of different observation wells and transmitting the data to the precipitation and drainage data analysis module; the method is used for calling and displaying precipitation well-observation well matching data, a dewatering and drainage control area diagram and water pumping amount data in each dewatering and drainage control area.
2. The intelligent monitoring and control system for uneven water drainage of the large-scale deep foundation pit according to claim 1, wherein the interval of the dewatering wells is controlled to be 15-20 m.
3. The intelligent monitoring and control system for uneven water drainage of the large-scale deep foundation pit according to claim 1, wherein the interval of the observation wells is controlled to be 30-50 m.
4. The system for intelligently monitoring and controlling uneven water drainage of the large irregular deep foundation pit as claimed in claim 1, wherein the human-computer interaction interface is further used 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 drainage control module; and the water descending and discharging control module is used for receiving a manual starting and stopping instruction of the water suction pump so as to emergently control the water suction pump.
5. The system as claimed in claim 1, wherein the dewatering and drainage data analysis module further comprises a water level data storage module for storing the water level data of the dewatering wells at different positions, and when the water level data exceeds the warning water level, a water pumping instruction is issued to pump water from the water pump in the dewatering well generating the water level data.
6. The intelligent monitoring and control system for uneven water drainage of the large-scale deep foundation pit as claimed in claim 1, wherein the water drainage data analysis module further comprises a water level sensor for determining whether water level data of observation wells at different positions exceed a warning water level, and when the water level data exceed the warning water level, sending out early warning information that the water level of the observation wells exceeds a limit to a human-computer interaction interface for display 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, the real-time water level data of the observation well and the water descending and discharging control area of the observation well in the water descending and discharging control area diagram.
7. The intelligent monitoring and control system for uneven water lowering and draining of the large-scale deep foundation pit as claimed in claim 1, wherein the water lowering and draining data analysis module further comprises a warning module for judging whether water level data of the dewatering well at different positions exceeds a warning water level, and when the water level data exceeds the warning water level, sending out early warning information that the water level of the dewatering well exceeds the limit to a human-computer interaction interface for displaying so as to remind constructors; the early warning information of the water level overrun of the precipitation well comprises position information of the precipitation well exceeding the warning water level, real-time water level data of the precipitation well and a precipitation and drainage control area of the precipitation well in a precipitation and drainage control area diagram.
8. The intelligent monitoring and control system for uneven dewatering and drainage of a large-scale deep foundation pit as claimed in claim 1, wherein the water pumping amount data comprises total water pumping amount in each dewatering and drainage control area and water pumping amount of each water pumping pump in each dewatering and drainage control area.
9. The intelligent monitoring and control system for uneven water drainage of the large-scale deep foundation pit according to claim 1, characterized by 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 precipitation well, the position data of the observation well, the precipitation and drainage control area data, the precipitation well water level data at different positions, the observation well water level data at different positions, the foundation pit construction plan and the surveying point plan, so as to monitor the precipitation and drainage conditions of the foundation pit in real time.
10. The intelligent monitoring and control system for uneven water drainage of the large-scale deep foundation pit according to claim 9, wherein the foundation pit construction plan and the survey point plan are input by a human-computer interaction interface and transmitted to the data storage module and the BIM modeling module.
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