CN110924457A - Foundation pit deformation monitoring method and system based on measuring robot - Google Patents
Foundation pit deformation monitoring method and system based on measuring robot Download PDFInfo
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- CN110924457A CN110924457A CN201911402817.0A CN201911402817A CN110924457A CN 110924457 A CN110924457 A CN 110924457A CN 201911402817 A CN201911402817 A CN 201911402817A CN 110924457 A CN110924457 A CN 110924457A
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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
- E02D17/02—Foundation pits
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Abstract
The invention discloses a foundation pit deformation monitoring method based on a measuring robot, which comprises the following steps of: finding three places with wide and stable visual field as measuring reference points on a construction site; selecting point positions which can measure three measuring reference points at the west side of the foundation pit at the same time to set an observation station; arranging an observation pier for placing a measuring robot at an observation station; selecting a plurality of monitoring points, fixing a metal rod at the monitoring points, and mounting a prism on the top of the metal rod; the measuring robot sequentially measures the prisms and sends the measured data to the data processing center; and the data processing center processes and analyzes the measurement data to generate a measurement graph. The method realizes automatic acquisition and real-time transmission of monitoring data, and automatically forms various change curves and graphs through data analysis, so that the monitoring result is visualized.
Description
Technical Field
The invention relates to the technical field of foundation pit monitoring, in particular to a foundation pit deformation monitoring method and system based on a measuring robot.
Background
The foundation pit monitoring refers to the inspection and monitoring work carried out on the building foundation pit and the surrounding environment within the construction and service life. The safety of the foundation pit is the key of foundation pit construction, various relevant factors exist in the safety of the foundation pit, the safety of the foundation pit not only depends on scientific and reasonable foundation pit design, detailed and thorough geological exploration and meticulous construction operation, but also is closely related to the influence of the external environment on the foundation pit soil body. In the construction process of excavation of the foundation pit, the soil body inside and outside the foundation pit is changed from the original static soil pressure state to the active soil pressure state, and the deformation caused by the change of the stress state is always inevitable even if support measures are taken. These variations include: the uplift of the soil body in the deep foundation pit, the settlement and the lateral displacement of the foundation pit supporting structure and the surrounding soil body. Any displacement beyond a certain tolerance level will cause damage to the supporting structure of the foundation pit. Therefore, in the process of foundation pit construction, only comprehensive and systematic monitoring is carried out on the foundation pit supporting structure and the soil around the foundation pit, the engineering condition can be comprehensively known, and the smooth proceeding of the engineering is ensured.
Due to the complexity of underground soil properties, load conditions and construction environments, the design and construction scheme is determined according to geological survey data and indoor geotechnical test parameters, many uncertain factors are always included, monitoring of soil properties, environment, adjacent buildings and underground facility changes caused in the construction process becomes an essential important link for engineering construction, and meanwhile, the method is a necessary measure for avoiding accidents by guiding correct construction, and is an information technology. At present, foundation pit monitoring and engineering design and construction are listed as three basic elements for guaranteeing deep foundation pit engineering quality.
The foundation pit monitoring is influenced by a plurality of factors, the existing foundation pit monitoring work mainly stays in an artificial stage, namely, data are acquired on the foundation pit engineering site at a certain frequency, industry processing is carried out, and then a paper or electronic data report is provided. The foundation pit monitoring technology in China is widely applied, most of deep foundation pit projects are monitored in the construction period at present, and the safety of foundation pit construction and the surrounding environment is monitored and guaranteed by setting the control value of a monitoring project.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention provides the foundation pit deformation monitoring method and the foundation pit deformation monitoring system based on the measuring robot, which realize the automatic acquisition and real-time transmission of monitoring data, automatically form various change curves and graphs through data analysis and visualize the monitoring results.
In a first aspect, an embodiment of the present invention provides a foundation pit deformation monitoring method based on a measurement robot, including the following steps:
finding three places with wide and stable visual field as measuring reference points on a construction site;
selecting point positions which can measure three measuring reference points at the west side of the foundation pit at the same time to set an observation station;
arranging an observation pier for placing a measuring robot at an observation station;
selecting a plurality of monitoring points, fixing a metal rod at the monitoring points, and mounting a prism on the top of the metal rod;
the measuring robot sequentially measures the prisms and sends the measured data to the data processing center;
and the data processing center processes and analyzes the measurement data to generate a measurement graph.
Optionally, the observation pier is a reinforced concrete structure.
Optionally, the outer pier wall of the observation pier is provided with a rigid conduit for cable entry and exit.
Optionally, the number of monitoring points is 30.
Optionally, the measurement robot employs TS60 measurement robot.
In a second aspect, an embodiment of the present invention further provides a foundation pit deformation monitoring system based on a measuring robot, including a prism, the measuring robot, a data transmission module and a data processing center,
the prism is used for being arranged at different monitoring points of the foundation pit and used as a foundation pit deformation monitoring target point;
the measuring robot is used for acquiring deformation displacement data of a foundation pit monitoring point;
the data transmission module is used for transmitting the deformation displacement data acquired by the measuring robot to the data processing center;
the data processing center is used for receiving deformation displacement data collected by the measuring robot, analyzing and processing the deformation displacement data and generating a measuring graph.
Optionally, the measurement robot employs TS60 measurement robot.
Optionally, the number of prisms is 30.
The invention has the beneficial effects that:
the foundation pit deformation monitoring method based on the measuring robot provided by the embodiment of the invention realizes automatic acquisition and real-time transmission of monitoring data, and automatically forms various change curves and graphs through data analysis, so that the monitoring result is visualized.
The foundation pit deformation monitoring system based on the measuring robot provided by the embodiment of the invention realizes automatic acquisition and real-time transmission of monitoring data, and automatically forms various change curves and graphs through data analysis, so that the monitoring result is visualized.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 shows a flowchart of a foundation pit deformation monitoring method based on a measuring robot according to a first embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a foundation pit deformation monitoring system based on a measuring robot according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, 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.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1, a flowchart of a foundation pit deformation monitoring method based on a measuring robot according to a first embodiment of the present invention is shown, including the following steps:
and step S1, finding three places with wide and stable visual field as measuring reference points on the construction site.
Specifically, the measuring reference point and the measuring robot observation station are original references for monitoring the deformation of the whole foundation pit, three places with the widest and stable visual field are searched on site to serve as the measuring reference points, and point locations are distributed in stable and reliable places to prevent the deformation of the reference point locations; and no large reflection surface and electromagnetic wave interference are arranged around the device. In addition, the coordinate data of the observation stations and the reference points of the whole monitoring network are subjected to measurement adjustment processing.
And S2, selecting a point position setting observation station capable of simultaneously measuring the three measuring reference points on the west side of the foundation pit.
In this embodiment, the number of observation stations is 1. And an observation station is set at a position where the point position is stable and reliable and the three measuring datum points can be well measured by selecting the side of the west-side foundation pit.
And step S3, arranging an observation pier for placing the measuring robot at the observation station.
The observation pier is of a reinforced concrete structure, the height of the observation pier above the ground is generally not more than 5m, and the peripheral vision is wide. In this example, the height of the observation pier above the ground is 1.5 m. Observing that the pier concrete pier body is to be buried below a thawing line and can be poured on bedrock best; the observation pier is poured and installed with a forced centering device and is strictly leveled, and the outer wall of the observation pier is additionally provided with or embedded with a hard pipeline (made of steel or plastic) suitable for the cable to pass in and out, so that the circuit is protected. The measuring robot uses TS60 to measure the robot.
And step S4, selecting a plurality of monitoring points, fixing metal rod pieces at the monitoring points, and mounting a prism at the top of the metal rod pieces.
In this embodiment, the position points capable of expressing the slope deformation condition are selected as the monitoring points, the number of the monitoring points is 30, the prism is installed on the monitoring points, the position of the monitoring point where the prism is located, which is caused by the deformation of the foundation pit, is displaced, and the measurement robot detects the displacement data of the prism. The method for drilling and striking the rock by directly drilling the metal rod piece is adopted, the prism is fixed at the top of the metal rod piece, only the dust-proof baffle plate is arranged, the semi-closed metal protective cover is not arranged, the hard metal rod piece (observation column) needs to be driven into the drilled hole of the rock in actual construction, and then the prism metal connecting rod is welded to the top of the rod piece.
And step S5, the measuring robot sequentially measures the prisms and sends the measured data to the data processing center.
Specifically, after the measuring robot is installed, the first measurement is performed, the three reference points are manually measured in sequence to determine the position of the robot, and after the position of the robot is determined, an automatic memory function is set to prepare for starting the first memory measurement. Firstly, aligning the prism No. 1, carrying out first measurement, then aligning the prism No. 2, carrying out second measurement, then sequentially measuring the prisms No. 1-30 to complete a complete period measurement, taking the measurement as measurement original data after the measurement is completed, and simultaneously setting a program to enable a measurement robot to carry out data monitoring in a specified interval time. And the measuring robot sends the monitored data to the data processing center.
And step S6, the data processing center processes and analyzes the measured data to generate a measured graph.
The data processing center adopts a GEOMOS software platform of come card, and the software analyzes and processes the measurement data acquired by the measurement robot to generate a required measurement curve. The staff arranges the measured data according to the requirement of on-site measurement to obtain the required result, and exports the data, looks over the change of foundation ditch deflection and data directly perceived.
The foundation pit deformation monitoring method based on the measuring robot provided by the embodiment of the invention realizes automatic acquisition and real-time transmission of monitoring data, and automatically forms various change curves and graphs through data analysis, so that the monitoring result is visualized.
In the first embodiment, a foundation pit deformation monitoring method based on a measuring robot is provided, and correspondingly, the application also provides a foundation pit deformation monitoring system based on a measuring robot. Please refer to fig. 2, which is a schematic structural diagram of a foundation pit deformation monitoring system based on a measuring robot according to a second embodiment of the present invention. Since the apparatus embodiments are substantially similar to the method embodiments, they are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for relevant points. The device embodiments described below are merely illustrative.
As shown in fig. 2, a schematic structural diagram of a foundation pit deformation monitoring system based on a measuring robot according to a second embodiment of the present invention is shown, where the system includes a prism, the measuring robot, a data transmission module and a data processing center, and the prism is used to be disposed at different monitoring points of a foundation pit and used as a foundation pit deformation monitoring target point; the measuring robot is used for acquiring deformation displacement data of a foundation pit monitoring point; the data transmission module is used for transmitting the deformation displacement data acquired by the measuring robot to the data processing center; the data processing center is used for receiving deformation displacement data collected by the measuring robot, analyzing and processing the deformation displacement data and generating a measuring graph. In the present embodiment, the measuring robot employs TS 60. The number of prisms is 30.
The foundation pit deformation monitoring system based on the measuring robot provided by the embodiment of the invention realizes automatic acquisition and real-time transmission of monitoring data, and automatically forms various change curves and graphs through data analysis, so that the monitoring result is visualized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A foundation pit deformation monitoring method based on a measuring robot is characterized by comprising the following steps:
finding three places with wide and stable visual field as measuring reference points on a construction site;
selecting point positions which can measure three measuring reference points at the west side of the foundation pit at the same time to set an observation station;
arranging an observation pier for placing a measuring robot at an observation station;
selecting a plurality of monitoring points, fixing a metal rod at the monitoring points, and mounting a prism on the top of the metal rod;
the measuring robot sequentially measures the prisms and sends the measured data to the data processing center;
and the data processing center processes and analyzes the measurement data to generate a measurement graph.
2. The foundation pit deformation monitoring method based on the measuring robot as claimed in claim 1, wherein the observation pier is a reinforced concrete structure.
3. The foundation pit deformation monitoring method based on the measuring robot as claimed in claim 2, wherein a hard pipeline for cable entry and exit is arranged on the outer wall of the observation pier.
4. The foundation pit deformation monitoring method based on the measuring robot as claimed in claim 1, wherein the number of the monitoring points is 30.
5. A foundation pit deformation monitoring method based on a measuring robot as claimed in any one of claims 1 to 4, characterized in that the measuring robot adopts TS60 measuring robot.
6. A foundation pit deformation monitoring system based on a measuring robot is characterized by comprising a prism, the measuring robot, a data transmission module and a data processing center,
the prism is used for being arranged at different monitoring points of the foundation pit and used as a foundation pit deformation monitoring target point;
the measuring robot is used for acquiring deformation displacement data of a foundation pit monitoring point;
the data transmission module is used for transmitting the deformation displacement data acquired by the measuring robot to the data processing center;
the data processing center is used for receiving deformation displacement data collected by the measuring robot, analyzing and processing the deformation displacement data and generating a measuring graph.
7. The survey robot based pit deformation monitoring system of claim 6, wherein the survey robot employs TS60 survey robot.
8. The survey robot based pit deformation monitoring system of claim 6, wherein the number of prisms is 30.
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| CN111648414A (en) * | 2020-05-12 | 2020-09-11 | 广州市城市规划勘测设计研究院 | Method and device for measuring horizontal and vertical displacement of foundation pit by using digital image |
| CN112903006A (en) * | 2021-01-08 | 2021-06-04 | 常州天姆智能科技有限公司 | Be used for intelligent foundation ditch detecting system |
| CN113235545A (en) * | 2021-04-07 | 2021-08-10 | 苏现锋 | Method for monitoring foundation pit of building engineering |
| CN114232698A (en) * | 2021-12-02 | 2022-03-25 | 中国建筑一局(集团)有限公司 | Foundation pit monitoring method and system based on BIM |
| CN114855842A (en) * | 2022-05-25 | 2022-08-05 | 中国建筑一局(集团)有限公司 | Device and method for rapidly plugging serious leakage of underground diaphragm wall |
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Application publication date: 20200327 |