CN113700052A - System for building engineering foundation pit monitoring - Google Patents
System for building engineering foundation pit monitoring Download PDFInfo
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- CN113700052A CN113700052A CN202110918574.7A CN202110918574A CN113700052A CN 113700052 A CN113700052 A CN 113700052A CN 202110918574 A CN202110918574 A CN 202110918574A CN 113700052 A CN113700052 A CN 113700052A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
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Abstract
The invention belongs to the technical field of constructional engineering, and discloses a system for monitoring a constructional engineering foundation pit, which comprises: the system comprises a data acquisition module, a training sample generation module, a central control module, a displacement monitoring module, a stress monitoring module, an underground water level monitoring module, a foundation pit dangerous part monitoring module, a monitoring and early warning module, a data analysis and summary module, a data storage module and an update display module. According to the invention, the monitoring data is drawn into a curve which changes along with time, so that the actual state of the building engineering can be accurately and timely reflected, various dangerous parts are monitored in real time, automatic acquisition and real-time transmission of the monitoring data are realized, various changing curves and graphs are formed through data analysis, the monitoring result is visualized, information support is provided for engineering construction, the problems that the prior art cannot realize real-time monitoring and cannot accurately and timely reflect the actual state of the foundation pit of the building engineering are effectively solved, and the comprehensive real-time monitoring of each dangerous part of the foundation pit is realized.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a system for monitoring a constructional engineering foundation pit.
Background
At present, with the rapid development of economic society of China, the residential buildings are also unprecedented. At present, high-rise residences become the main melody of residential construction project development, and foundation pit monitoring is more and more common. Foundation pit monitoring mainly includes: the supporting structure, the relevant natural environment, the construction conditions, the groundwater conditions, the bottom and surrounding soil of the foundation pit, surrounding buildings, surrounding underground pipelines and underground facilities, surrounding critical roads, etc. are monitored. However, in the prior art, various monitoring technologies and signal transmission processing methods exist, but the purpose of real-time monitoring cannot be achieved, and the state of the actual foundation pit of the building engineering cannot be accurately and timely reflected. Therefore, a new system for monitoring the foundation pit of the construction engineering is needed to overcome the defects in the prior art.
Through the above analysis, the problems and defects of the prior art are as follows: in the prior art, various monitoring technologies and signal transmission processing methods exist, but the purpose of real-time monitoring cannot be achieved, and the state of the actual foundation pit of the building engineering cannot be accurately and timely reflected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a system for monitoring a foundation pit of constructional engineering.
The invention is realized in this way, a system for monitoring a foundation pit of a building engineering, comprising:
the data acquisition module is connected with the central control module and used for carrying out on-site investigation through organization, selecting a monitoring point and collecting related data of the construction engineering foundation pit of the monitoring point by using the data acquisition equipment;
the training sample generation module is connected with the central control module and used for generating an actual training sample after nonlinear mapping is carried out on the collected related data of the building engineering foundation pit with the monitoring points through a training sample generation program;
the central control module is connected with the data acquisition module, the training sample generation module and the displacement monitoring module and is used for coordinating and controlling the normal operation of each module of the building engineering foundation pit monitoring system through a central processing unit;
the displacement monitoring module is connected with the central control module and is used for controlling the displacement monitoring device to monitor the displacement condition of the foundation pit of the building engineering at the monitoring point in real time through a displacement monitoring program; wherein, monitoring point building engineering foundation ditch vertical displacement monitoring includes:
position data of the good-preservation monitor points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitor point 1 on the plane and the settlement amount w of each good-preservation monitor point are obtainedA、wB、wC、wD、w2、w3、w4、w5、w6；
According to the position data of the good-storage monitoring points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitoring point 1 on the plane and the settlement amount w of each good-storage monitoring pointA、wB、wC、wD、w2、w3、w4、w5、w6Establishing a three-dimensional coordinate system;
obtaining coordinate data (x) of each well-preserved monitoring pointA,yA,wA)、(xB,yB,wB)、(xC,yC,wC)、(xD,yD,wD)、(x2,y2,w2)、(x3,y3,w3)、(x4,y4,w4)、(x5,y5,w5)、(x6,y6,w6) And obtaining a sedimentation amount plane distribution function w ═ a of the monitoring points by least square fitting according to the coordinate data of each well-stored monitoring point0+a1x+a2y+a3x2+a4xy+a5y2；
Acquiring coordinate data (x) of the missing monitoring point 1 on a plane1,y1) According to the coordinate data (x) of the missing monitoring point 1 on the plane1,y1) Obtaining settlement w of the missing monitoring point 1 by a settlement plane distribution function1，w1＝a0+a1x1+a2y1+a3x1 2+a4x1y1+a5y1 2。
Further, the system for monitoring the foundation pit of the building engineering further comprises:
the central control module is connected with the stress monitoring module, the underground water level monitoring module, the foundation pit dangerous part monitoring module, the monitoring and early warning module, the data analyzing and summarizing module, the data storage module and the updating and displaying module and is used for coordinating and controlling the normal operation of each module of the building engineering foundation pit monitoring system through a central processing unit;
the stress monitoring module is connected with the central control module and used for selecting the root pile through the stress monitoring device to monitor the stress of the steel bar and selecting the soil nail as a monitoring point to monitor the stress of the soil nail;
the underground water level monitoring module is connected with the central control module and used for monitoring surface cracks through calipers, selecting an observation point, arranging a water level observation well outside the foundation pit and monitoring the underground water level;
the foundation pit dangerous part monitoring module is connected with the central control module and used for reflecting the state of the actual engineering by drawing monitoring data into a time-varying curve and monitoring each dangerous part of the foundation pit in real time;
the monitoring and early warning module is connected with the central control module and is used for presetting a warning value according to the specific condition of a project and carrying out real-time early warning notification on the condition of exceeding the warning value;
the data analysis and summarization module is connected with the central control module and is used for analyzing and processing the monitoring data through a data analysis and summarization program to form a curve graph and a monitoring report;
the data storage module is connected with the central control module and used for storing the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data, the curve graph and the monitoring report through the memory;
and the updating display module is connected with the central control module and is used for updating and displaying the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data of the monitoring point constructional engineering foundation pit, the curve diagram and the real-time data of the monitoring report through the display.
Further, in the data acquisition module, the method for selecting the monitoring points of the foundation pit of the building engineering comprises the following steps:
(1) setting a foundation pit monitoring point in the BIM according to the foundation pit engineering monitoring point;
(2) establishing a local coordinate system O in a world coordinate system O-XYZ of a BIM model1-X1Y1Z1；
(3) Determining a local coordinate system O1-X1Y1Z1Converting the coordinate values of the foundation pit monitoring measuring points in the world coordinate system into coordinate values in a local coordinate system according to the conversion relation between the foundation pit monitoring measuring points and the world coordinate system O-XYZ;
(4) judging whether the absolute value of the foundation pit monitoring measuring point is less than or equal to L/2 or not, and whether the absolute values of b and c are less than or equal to a set value or not, if so, selecting the foundation pit monitoring measuring point; and if not, the foundation pit monitoring measuring point is not selected, wherein L is the length of the path appointed by the user.
Further, establishing a local coordinate system O in a world coordinate system O-XYZ of the BIM model1-X1Y1Z1The method comprises the following steps:
in the world coordinate system O-XYZ of the BIM model, the user-specified path is taken as X1Axis, X in the direction from the starting point to the ending point of the path specified by the user1Positive axial direction with the center of the specified path as origin O1In the vertical direction of Y1Axis, in a vertically upward direction Y1Positive direction of axis, perpendicular to X1Y1Z1Straight line of plane Z1Axis establishing local coordinate System O1-X1Y1Z1。
Further, in the displacement monitoring module, the displacement monitoring device is controlled by a displacement monitoring program to carry out real-time monitoring on the displacement condition of the foundation pit of the building engineering at the monitoring point, including;
(1) selecting a pile top as a measuring point, and monitoring the horizontal displacement of the top excavation by using a total station; setting a displacement observation point at the top of the slope, and monitoring the displacement of the top of the slope by using a linear sensor;
(2) arranging a displacement observation value on a slope road of each area, and monitoring the mark displacement by using an inclinometer; arranging monitoring points at the corners of the electric tower, and monitoring the displacement of the high-voltage electric tower by using a linear sensor;
(3) a water level meter is arranged on the sewage pipe to monitor the sewage discharge; and setting a vertical displacement observation point, monitoring the vertical displacement of the foundation pit by using an electronic level meter, and monitoring the pile depth displacement by using an inclinometer.
Further, among the displacement monitoring module, monitoring point building engineering foundation ditch vertical displacement monitoring includes:
(1) acquiring position data of well-stored monitoring points and missing monitoring points on a plane and storing vertical displacement of the well-stored monitoring points;
(2) establishing a coordinate system according to the position data of the well-stored monitoring points and the missing monitoring points on the plane and the vertical displacement of the well-stored monitoring points;
(3) acquiring coordinate data of well-stored monitoring points, and acquiring a vertical displacement plane distribution function of the monitoring points according to the coordinate data of the well-stored monitoring points;
(4) and acquiring coordinate data of the missing monitoring points on the plane, and acquiring the vertical displacement of the missing monitoring points according to the coordinate data of the missing monitoring points on the plane and the vertical displacement plane distribution function.
Further, in the data analysis and summary module, the monitoring data comprise horizontal displacement monitoring data, vertical displacement monitoring data, deep horizontal displacement monitoring data, inclination monitoring data, crack monitoring data, supporting structure internal force monitoring data, soil pressure monitoring data, pore water pressure monitoring data, underground water level monitoring data and anchor rod tension monitoring data of the building engineering foundation pit of the monitoring point.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying the system for pit monitoring in construction engineering when executed on an electronic device.
It is another object of the present invention to provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to apply the system for foundation pit monitoring in construction engineering.
The invention also aims to provide an information data processing terminal which is characterized in that the information data processing terminal is used for realizing the system for monitoring the foundation pit of the building engineering.
By combining all the technical schemes, the invention has the advantages and positive effects that: the system for monitoring the foundation pit of the building engineering can accurately and timely reflect the actual state of the building engineering by drawing the monitoring data into a curve which changes along with time, monitor various dangerous positions in real time, simultaneously realize automatic acquisition and real-time transmission of the monitoring data, form various changing curves and graphs through data analysis, visualize the monitoring result, provide information support for engineering construction, effectively solve the problems that various monitoring technologies and signal transmission processing methods exist in the prior art, but the real-time monitoring can not be achieved, and the actual state of the foundation pit of the building engineering can not be accurately and timely reflected, and achieve the purpose of real-time monitoring for each dangerous position of the foundation pit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a system for monitoring a foundation pit of a construction project according to an embodiment of the present invention;
in the figure: 1. a data acquisition module; 2. a training sample generation module; 3. a central control module; 4. a displacement monitoring module; 5. a stress monitoring module; 6. an underground water level monitoring module; 7. a foundation pit dangerous part monitoring module; 8. a monitoring and early warning module; 9. a data analysis and summarization module; 10. a data storage module; 11. and updating the display module.
Fig. 2 is a flowchart of a method for monitoring a foundation pit of a construction project according to an embodiment of the present invention.
Fig. 3 is a flowchart of a method for selecting a monitoring point of a foundation pit of a construction project according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for monitoring the displacement condition of the foundation pit of the building engineering at the monitoring point in real time by controlling a displacement monitoring device through a displacement monitoring module by using a displacement monitoring program according to an embodiment of the present invention.
Fig. 5 is a flowchart of a monitoring method for monitoring vertical displacement of a foundation pit of a monitoring point in constructional engineering provided by the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a system for monitoring a foundation pit of a building engineering, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a system for monitoring a foundation pit of a construction engineering provided by an embodiment of the present invention includes: the system comprises a data acquisition module 1, a training sample generation module 2, a central control module 3, a displacement monitoring module 4, a stress monitoring module 5, an underground water level monitoring module 6, a foundation pit dangerous part monitoring module 7, a monitoring early warning module 8, a data analysis and summary module 9, a data storage module 10 and an update display module 11.
The data acquisition module 1 is connected with the central control module 3 and used for carrying out on-site investigation through organization, selecting a monitoring point and collecting related data of the foundation pit of the constructional engineering of the monitoring point by using data acquisition equipment;
the training sample generation module 2 is connected with the central control module 3 and used for carrying out nonlinear mapping on the collected related data of the building engineering foundation pit with the monitoring points through a training sample generation program to generate an actual training sample;
the central control module 3 is connected with the data acquisition module 1, the training sample generation module 2, the displacement monitoring module 4, the stress monitoring module 5, the underground water level monitoring module 6, the foundation pit dangerous part monitoring module 7, the monitoring and early warning module 8, the data analysis and summarization module 9, the data storage module 10 and the update display module 11, and is used for coordinating and controlling the normal operation of each module of the building engineering foundation pit monitoring system through a central processing unit;
the displacement monitoring module 4 is connected with the central control module 3 and is used for controlling the displacement monitoring device to carry out real-time monitoring on the displacement condition of the foundation pit of the building engineering at the monitoring point through a displacement monitoring program;
the stress monitoring module 5 is connected with the central control module 3 and used for selecting a root pile through a stress monitoring device to monitor the stress of the steel bar and selecting a soil nail as a monitoring point to monitor the stress of the soil nail;
the underground water level monitoring module 6 is connected with the central control module 3 and used for monitoring surface cracks through calipers, selecting an observation point, arranging a water level observation well outside the foundation pit and monitoring the underground water level;
the foundation pit dangerous part monitoring module 7 is connected with the central control module 3 and used for real-time monitoring each dangerous part of the foundation pit by drawing monitoring data into a time-varying curve to reflect the state of the actual engineering;
the monitoring and early warning module 8 is connected with the central control module 3 and is used for presetting a warning value according to the specific condition of a project and carrying out real-time early warning notification on the condition of exceeding the warning value;
the data analysis and summary module 9 is connected with the central control module 3 and used for analyzing and processing the monitoring data through a data analysis and summary program to form a curve graph and a monitoring report;
the data storage module 10 is connected with the central control module 3 and used for storing the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data, the curve diagram and the monitoring report through a memory;
and the updating display module 11 is connected with the central control module 3 and is used for updating and displaying the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data of the monitoring point constructional engineering foundation pit, the curve diagram and the real-time data of the monitoring report through a display.
As shown in fig. 2, the method for monitoring a foundation pit of a construction project provided by the embodiment of the present invention includes the following steps:
s101, surveying and selecting a monitoring point by using an organization site through a data acquisition module, and collecting related data of the foundation pit of the constructional engineering of the monitoring point by using data acquisition equipment;
s102, carrying out nonlinear mapping on the collected related data of the building engineering foundation pit of the monitoring point set by using a training sample generation program through a training sample generation module to generate an actual training sample;
s103, coordinating and controlling normal operation of each module of the building engineering foundation pit monitoring system by using a central processing unit through a central control module;
s104, controlling a displacement monitoring device to carry out real-time monitoring on the displacement condition of the foundation pit of the building engineering at the monitoring point by using a displacement monitoring program through a displacement monitoring module;
s105, selecting a root pile for monitoring the stress of the steel bar by using the stress monitoring device through the stress monitoring module, and selecting a soil nail as a monitoring point for monitoring the stress of the soil nail;
s106, monitoring surface cracks by using a caliper through an underground water level monitoring module, selecting an observation point, arranging a water level observation well outside the foundation pit, and monitoring the underground water level; drawing monitoring data into a time-varying curve through a foundation pit dangerous part monitoring module, reflecting the state of actual engineering, and monitoring each dangerous part of the foundation pit in real time;
s107, a warning value is preset according to the specific situation of the project through the monitoring and warning module, and real-time warning notification is carried out on the situation exceeding the warning value; analyzing and processing the monitoring data by a data analyzing and summarizing program through a data analyzing and summarizing module to form a curve graph and a monitoring report;
s108, storing the acquired related data of the constructional engineering foundation pit of the monitoring point, the actual training sample, the displacement data, the stress data, the underground water bit data, the curve graph and the monitoring report by using a memory through a data storage module;
and S109, updating and displaying the acquired related data of the constructional engineering foundation pit of the monitoring point, the actual training sample, the displacement data, the stress data, the underground water bit data of the constructional engineering foundation pit of the monitoring point and the real-time data of the curve graph and the monitoring report by using the display through the updating and displaying module.
As shown in fig. 3, in step S101 provided in the embodiment of the present invention, the method for selecting the monitoring point of the foundation pit of the building engineering includes:
s201, setting a foundation pit monitoring point in the BIM according to the foundation pit engineering monitoring point;
s202, establishing a local coordinate system O in a world coordinate system O-XYZ of the BIM model1-X1Y1Z1；
S203, determining a local coordinate system O1-X1Y1Z1Converting the coordinate values of the foundation pit monitoring measuring points in the world coordinate system into coordinate values in a local coordinate system according to the conversion relation between the foundation pit monitoring measuring points and the world coordinate system O-XYZ;
s204, judging whether the absolute value of the foundation pit monitoring measuring point is less than or equal to L/2 or not, and whether the absolute values of b and c are less than or equal to a set value or not, and if so, selecting the foundation pit monitoring measuring point; and if not, the foundation pit monitoring measuring point is not selected, wherein L is the length of the path appointed by the user.
The embodiment of the invention provides a method for establishing a local coordinate system O in a world coordinate system O-XYZ of a BIM model1-X1Y1Z1The method comprises the following steps:
in a BIM moldIn the type world coordinate system O-XYZ, the user-specified path is taken as X1Axis, X in the direction from the starting point to the ending point of the path specified by the user1Positive axial direction with the center of the specified path as origin O1In the vertical direction of Y1Axis, in a vertically upward direction Y1Positive direction of axis, perpendicular to X1Y1Z1Straight line of plane Z1Axis establishing local coordinate System O1-X1Y1Z1。
As shown in fig. 4, in step S104 provided in the embodiment of the present invention, the displacement monitoring module controls the displacement monitoring device to perform real-time monitoring of the displacement condition of the foundation pit of the building engineering at the monitoring point by using the displacement monitoring program, including;
s301, selecting a pile top as a measuring point, and monitoring horizontal displacement of top excavation by using a total station; setting a displacement observation point at the top of the slope, and monitoring the displacement of the top of the slope by using a linear sensor;
s302, arranging displacement observation values on the slope roads of each area, and monitoring the trail displacement by using an inclinometer; arranging monitoring points at the corners of the electric tower, and monitoring the displacement of the high-voltage electric tower by using a linear sensor;
s303, mounting a water level meter on the sewage pipe to monitor the sewage discharge; and setting a vertical displacement observation point, monitoring the vertical displacement of the foundation pit by using an electronic level meter, and monitoring the pile depth displacement by using an inclinometer.
As shown in fig. 5, in step S303 provided in the embodiment of the present invention, the monitoring of the vertical displacement of the foundation pit of the construction engineering at the monitoring point includes:
s401, acquiring position data of well-stored monitoring points and missing monitoring points on a plane and storing vertical displacement of the well-stored monitoring points;
s402, establishing a coordinate system according to the position data of the well-stored monitoring points and the missing monitoring points on the plane and the vertical displacement of the well-stored monitoring points;
s403, acquiring coordinate data of the well-stored monitoring points, and acquiring a vertical displacement plane distribution function of the monitoring points according to the coordinate data of the well-stored monitoring points;
s404, acquiring coordinate data of the missing monitoring points on the plane, and acquiring the vertical displacement of the missing monitoring points according to the coordinate data of the missing monitoring points on the plane and the vertical displacement plane distribution function.
The monitoring of the monitoring point building engineering foundation pit vertical displacement provided by the embodiment of the invention also comprises the following steps:
position data of the good-preservation monitor points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitor point 1 on the plane and the settlement amount w of each good-preservation monitor point are obtainedA、wB、wC、wD、w2、w3、w4、w5、w6；
According to the position data of the good-storage monitoring points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitoring point 1 on the plane and the settlement amount w of each good-storage monitoring pointA、wB、wC、wD、w2、w3、w4、w5、w6Establishing a three-dimensional coordinate system;
obtaining coordinate data (x) of each well-preserved monitoring pointA,yA,wA)、(xB,yB,wB)、(xC,yC,wC)、(xD,yD,wD)、(x2,y2,w2)、(x3,y3,w3)、(x4,y4,w4)、(x5,y5,w5)、(x6,y6,w6) And obtaining a sedimentation amount plane distribution function w ═ a of the monitoring points by least square fitting according to the coordinate data of each well-stored monitoring point0+a1x+a2y+a3x2+a4xy+a5y2；
Acquiring coordinate data (x) of the missing monitoring point 1 on a plane1,y1) According to the coordinate data (x) of the missing monitoring point 1 on the plane1,y1) Obtaining settlement w of the missing monitoring point 1 by a settlement plane distribution function1，w1＝a0+a1x1+a2y1+a3x1 2+a4x1y1+a5y1 2。
In step S107 provided in the embodiment of the present invention, the monitoring data includes horizontal displacement monitoring data, vertical displacement monitoring data, deep horizontal displacement monitoring data, inclination monitoring data, crack monitoring data, internal force monitoring data of the supporting structure, soil pressure monitoring data, pore water pressure monitoring data, ground water level monitoring data, and anchor rod tension monitoring data of the foundation pit of the building engineering at the monitoring point.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the 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.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A system for building engineering pit monitoring, characterized in that, system for building engineering pit monitoring includes:
the data acquisition module is connected with the central control module and used for carrying out on-site investigation through organization, selecting a monitoring point and collecting related data of the construction engineering foundation pit of the monitoring point by using the data acquisition equipment;
the training sample generation module is connected with the central control module and used for generating an actual training sample after nonlinear mapping is carried out on the collected related data of the building engineering foundation pit with the monitoring points through a training sample generation program;
the central control module is connected with the data acquisition module, the training sample generation module and the displacement monitoring module and is used for coordinating and controlling the normal operation of each module of the building engineering foundation pit monitoring system through a central processing unit;
the displacement monitoring module is connected with the central control module and is used for controlling the displacement monitoring device to monitor the displacement condition of the foundation pit of the building engineering at the monitoring point in real time through a displacement monitoring program; wherein, monitoring point building engineering foundation ditch vertical displacement monitoring includes:
position data of the good-preservation monitor points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitor point 1 on the plane and the settlement amount w of each good-preservation monitor point are obtainedA、wB、wC、wD、w2、w3、w4、w5、w6；
According to the position data of the good-storage monitoring points A, B, C, D, 2, 3, 4, 5, 6 and the missing monitoring point 1 on the plane and the settlement amount w of each good-storage monitoring pointA、wB、wC、wD、w2、w3、w4、w5、w6Establishing a three-dimensional coordinate system;
obtaining coordinate data (x) of each well-preserved monitoring pointA,yA,wA)、(xB,yB,wB)、(xC,yC,wC)、(xD,yD,wD)、(x2,y2,w2)、(x3,y3,w3)、(x4,y4,w4)、(x5,y5,w5)、(x6,y6,w6) And obtaining a sedimentation amount plane distribution function w ═ a of the monitoring points by least square fitting according to the coordinate data of each well-stored monitoring point0+a1x+a2y+a3x2+a4xy+a5y2；
Acquiring coordinate data (x) of the missing monitoring point 1 on a plane1,y1) According to the coordinate data (x) of the missing monitoring point 1 on the plane1,y1) Obtaining settlement w of the missing monitoring point 1 by a settlement plane distribution function1，w1＝a0+a1x1+a2y1+a3x1 2+a4x1y1+a5y1 2。
2. The system for building engineering pit monitoring of claim 1, wherein the system for building engineering pit monitoring further comprises:
the central control module is connected with the stress monitoring module, the underground water level monitoring module, the foundation pit dangerous part monitoring module, the monitoring and early warning module, the data analyzing and summarizing module, the data storage module and the updating and displaying module and is used for coordinating and controlling the normal operation of each module of the building engineering foundation pit monitoring system through a central processing unit;
the stress monitoring module is connected with the central control module and used for selecting the root pile through the stress monitoring device to monitor the stress of the steel bar and selecting the soil nail as a monitoring point to monitor the stress of the soil nail;
the underground water level monitoring module is connected with the central control module and used for monitoring surface cracks through calipers, selecting an observation point, arranging a water level observation well outside the foundation pit and monitoring the underground water level;
the foundation pit dangerous part monitoring module is connected with the central control module and used for reflecting the state of the actual engineering by drawing monitoring data into a time-varying curve and monitoring each dangerous part of the foundation pit in real time;
the monitoring and early warning module is connected with the central control module and is used for presetting a warning value according to the specific condition of a project and carrying out real-time early warning notification on the condition of exceeding the warning value;
the data analysis and summarization module is connected with the central control module and is used for analyzing and processing the monitoring data through a data analysis and summarization program to form a curve graph and a monitoring report;
the data storage module is connected with the central control module and used for storing the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data, the curve graph and the monitoring report through the memory;
and the updating display module is connected with the central control module and is used for updating and displaying the acquired related data of the monitoring point constructional engineering foundation pit, the actual training sample, the displacement data, the stress data, the underground water bit data of the monitoring point constructional engineering foundation pit, the curve diagram and the real-time data of the monitoring report through the display.
3. The system for monitoring the foundation pit of the building engineering as claimed in claim 1, wherein in the data acquisition module, the method for selecting the monitoring point of the foundation pit of the building engineering comprises:
(1) setting a foundation pit monitoring point in the BIM according to the foundation pit engineering monitoring point;
(2) establishing a local coordinate system O in a world coordinate system O-XYZ of a BIM model1-X1Y1Z1；
(3) Determining a local coordinate system O1-X1Y1Z1Converting the coordinate values of the foundation pit monitoring measuring points in the world coordinate system into coordinate values in a local coordinate system according to the conversion relation between the foundation pit monitoring measuring points and the world coordinate system O-XYZ;
(4) judging whether the absolute value of the foundation pit monitoring measuring point is less than or equal to L/2 or not, and whether the absolute values of b and c are less than or equal to a set value or not, if so, selecting the foundation pit monitoring measuring point; and if not, the foundation pit monitoring measuring point is not selected, wherein L is the length of the path appointed by the user.
4. The system for building engineering pit monitoring of claim 3, wherein the local coordinate system O is established in the world coordinate system O-XYZ of the BIM model1-X1Y1Z1The method comprises the following steps:
in the world coordinate system O-XYZ of the BIM model, the user-specified path is taken as X1Axis, X in the direction from the starting point to the ending point of the path specified by the user1Positive axial direction with the center of the specified path as origin O1In the vertical direction of Y1Axis, in a vertically upward direction Y1Positive direction of axis, perpendicular to X1Y1Z1Straight line of plane Z1Axis establishing local coordinate System O1-X1Y1Z1。
5. The system for monitoring the foundation pit of the building engineering as claimed in claim 1, wherein in the displacement monitoring module, the displacement monitoring device is controlled by a displacement monitoring program to perform real-time monitoring of the displacement condition of the foundation pit of the building engineering at the monitoring point, including;
(1) selecting a pile top as a measuring point, and monitoring the horizontal displacement of the top excavation by using a total station; setting a displacement observation point at the top of the slope, and monitoring the displacement of the top of the slope by using a linear sensor;
(2) arranging a displacement observation value on a slope road of each area, and monitoring the mark displacement by using an inclinometer; arranging monitoring points at the corners of the electric tower, and monitoring the displacement of the high-voltage electric tower by using a linear sensor;
(3) a water level meter is arranged on the sewage pipe to monitor the sewage discharge; and setting a vertical displacement observation point, monitoring the vertical displacement of the foundation pit by using an electronic level meter, and monitoring the pile depth displacement by using an inclinometer.
6. The system of building engineering pit monitoring of claim 1, wherein in the displacement monitoring module, the monitoring of the vertical displacement of the building engineering pit at the monitoring point comprises:
(1) acquiring position data of well-stored monitoring points and missing monitoring points on a plane and storing vertical displacement of the well-stored monitoring points;
(2) establishing a coordinate system according to the position data of the well-stored monitoring points and the missing monitoring points on the plane and the vertical displacement of the well-stored monitoring points;
(3) acquiring coordinate data of well-stored monitoring points, and acquiring a vertical displacement plane distribution function of the monitoring points according to the coordinate data of the well-stored monitoring points;
(4) and acquiring coordinate data of the missing monitoring points on the plane, and acquiring the vertical displacement of the missing monitoring points according to the coordinate data of the missing monitoring points on the plane and the vertical displacement plane distribution function.
7. The system for monitoring a foundation pit of construction engineering as claimed in claim 2, wherein in the data analyzing and summarizing module, the monitoring data comprises horizontal displacement monitoring data, vertical displacement monitoring data, deep horizontal displacement monitoring data, inclination monitoring data, crack monitoring data, internal force monitoring data of a supporting structure, soil pressure monitoring data, pore water pressure monitoring data, underground water level monitoring data and anchor rod tension monitoring data of a monitoring point of the foundation pit of construction engineering.
8. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying the system for construction project pit monitoring of any one of claims 1-7 when executed on an electronic device.
9. A computer readable storage medium storing instructions which, when executed on a computer, cause the computer to apply the system for building engineering pit monitoring according to any one of claims 1 to 7.
10. An information data processing terminal, characterized in that the information data processing terminal is used for realizing the system for monitoring the foundation pit of the building engineering as claimed in any one of claims 1-7.
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